Home | History | Annotate | Download | only in CodeGen
      1 // RUN: %clang_cc1 -triple s390x-linux-gnu -emit-llvm -o - %s | FileCheck %s
      2 
      3 // Scalar types
      4 
      5 char pass_char(char arg) { return arg; }
      6 // CHECK-LABEL: define signext i8 @pass_char(i8 signext %{{.*}})
      7 
      8 short pass_short(short arg) { return arg; }
      9 // CHECK-LABEL: define signext i16 @pass_short(i16 signext %{{.*}})
     10 
     11 int pass_int(int arg) { return arg; }
     12 // CHECK-LABEL: define signext i32 @pass_int(i32 signext %{{.*}})
     13 
     14 long pass_long(long arg) { return arg; }
     15 // CHECK-LABEL: define i64 @pass_long(i64 %{{.*}})
     16 
     17 long long pass_longlong(long long arg) { return arg; }
     18 // CHECK-LABEL: define i64 @pass_longlong(i64 %{{.*}})
     19 
     20 __int128 pass_int128(__int128 arg) { return arg; }
     21 // CHECK-LABEL: define void @pass_int128(i128* noalias sret %{{.*}}, i128*)
     22 
     23 float pass_float(float arg) { return arg; }
     24 // CHECK-LABEL: define float @pass_float(float %{{.*}})
     25 
     26 double pass_double(double arg) { return arg; }
     27 // CHECK-LABEL: define double @pass_double(double %{{.*}})
     28 
     29 long double pass_longdouble(long double arg) { return arg; }
     30 // CHECK-LABEL: define void @pass_longdouble(fp128* noalias sret %{{.*}}, fp128*)
     31 
     32 
     33 // Complex types
     34 
     35 _Complex char pass_complex_char(_Complex char arg) { return arg; }
     36 // CHECK-LABEL: define void @pass_complex_char({ i8, i8 }* noalias sret %{{.*}}, { i8, i8 }* %{{.*}}arg)
     37 
     38 _Complex short pass_complex_short(_Complex short arg) { return arg; }
     39 // CHECK-LABEL: define void @pass_complex_short({ i16, i16 }* noalias sret %{{.*}}, { i16, i16 }* %{{.*}}arg)
     40 
     41 _Complex int pass_complex_int(_Complex int arg) { return arg; }
     42 // CHECK-LABEL: define void @pass_complex_int({ i32, i32 }* noalias sret %{{.*}}, { i32, i32 }* %{{.*}}arg)
     43 
     44 _Complex long pass_complex_long(_Complex long arg) { return arg; }
     45 // CHECK-LABEL: define void @pass_complex_long({ i64, i64 }* noalias sret %{{.*}}, { i64, i64 }* %{{.*}}arg)
     46 
     47 _Complex long long pass_complex_longlong(_Complex long long arg) { return arg; }
     48 // CHECK-LABEL: define void @pass_complex_longlong({ i64, i64 }* noalias sret %{{.*}}, { i64, i64 }* %{{.*}}arg)
     49 
     50 _Complex float pass_complex_float(_Complex float arg) { return arg; }
     51 // CHECK-LABEL: define void @pass_complex_float({ float, float }* noalias sret %{{.*}}, { float, float }* %{{.*}}arg)
     52 
     53 _Complex double pass_complex_double(_Complex double arg) { return arg; }
     54 // CHECK-LABEL: define void @pass_complex_double({ double, double }* noalias sret %{{.*}}, { double, double }* %{{.*}}arg)
     55 
     56 _Complex long double pass_complex_longdouble(_Complex long double arg) { return arg; }
     57 // CHECK-LABEL: define void @pass_complex_longdouble({ fp128, fp128 }* noalias sret %{{.*}}, { fp128, fp128 }* %{{.*}}arg)
     58 
     59 
     60 // Aggregate types
     61 
     62 struct agg_1byte { char a[1]; };
     63 struct agg_1byte pass_agg_1byte(struct agg_1byte arg) { return arg; }
     64 // CHECK-LABEL: define void @pass_agg_1byte(%struct.agg_1byte* noalias sret %{{.*}}, i8 %{{.*}})
     65 
     66 struct agg_2byte { char a[2]; };
     67 struct agg_2byte pass_agg_2byte(struct agg_2byte arg) { return arg; }
     68 // CHECK-LABEL: define void @pass_agg_2byte(%struct.agg_2byte* noalias sret %{{.*}}, i16 %{{.*}})
     69 
     70 struct agg_3byte { char a[3]; };
     71 struct agg_3byte pass_agg_3byte(struct agg_3byte arg) { return arg; }
     72 // CHECK-LABEL: define void @pass_agg_3byte(%struct.agg_3byte* noalias sret %{{.*}}, %struct.agg_3byte* %{{.*}})
     73 
     74 struct agg_4byte { char a[4]; };
     75 struct agg_4byte pass_agg_4byte(struct agg_4byte arg) { return arg; }
     76 // CHECK-LABEL: define void @pass_agg_4byte(%struct.agg_4byte* noalias sret %{{.*}}, i32 %{{.*}})
     77 
     78 struct agg_5byte { char a[5]; };
     79 struct agg_5byte pass_agg_5byte(struct agg_5byte arg) { return arg; }
     80 // CHECK-LABEL: define void @pass_agg_5byte(%struct.agg_5byte* noalias sret %{{.*}}, %struct.agg_5byte* %{{.*}})
     81 
     82 struct agg_6byte { char a[6]; };
     83 struct agg_6byte pass_agg_6byte(struct agg_6byte arg) { return arg; }
     84 // CHECK-LABEL: define void @pass_agg_6byte(%struct.agg_6byte* noalias sret %{{.*}}, %struct.agg_6byte* %{{.*}})
     85 
     86 struct agg_7byte { char a[7]; };
     87 struct agg_7byte pass_agg_7byte(struct agg_7byte arg) { return arg; }
     88 // CHECK-LABEL: define void @pass_agg_7byte(%struct.agg_7byte* noalias sret %{{.*}}, %struct.agg_7byte* %{{.*}})
     89 
     90 struct agg_8byte { char a[8]; };
     91 struct agg_8byte pass_agg_8byte(struct agg_8byte arg) { return arg; }
     92 // CHECK-LABEL: define void @pass_agg_8byte(%struct.agg_8byte* noalias sret %{{.*}}, i64 %{{.*}})
     93 
     94 struct agg_16byte { char a[16]; };
     95 struct agg_16byte pass_agg_16byte(struct agg_16byte arg) { return arg; }
     96 // CHECK-LABEL: define void @pass_agg_16byte(%struct.agg_16byte* noalias sret %{{.*}}, %struct.agg_16byte* %{{.*}})
     97 
     98 
     99 // Float-like aggregate types
    100 
    101 struct agg_float { float a; };
    102 struct agg_float pass_agg_float(struct agg_float arg) { return arg; }
    103 // CHECK-LABEL: define void @pass_agg_float(%struct.agg_float* noalias sret %{{.*}}, float %{{.*}})
    104 
    105 struct agg_double { double a; };
    106 struct agg_double pass_agg_double(struct agg_double arg) { return arg; }
    107 // CHECK-LABEL: define void @pass_agg_double(%struct.agg_double* noalias sret %{{.*}}, double %{{.*}})
    108 
    109 struct agg_longdouble { long double a; };
    110 struct agg_longdouble pass_agg_longdouble(struct agg_longdouble arg) { return arg; }
    111 // CHECK-LABEL: define void @pass_agg_longdouble(%struct.agg_longdouble* noalias sret %{{.*}}, %struct.agg_longdouble* %{{.*}})
    112 
    113 struct agg_float_a8 { float a __attribute__((aligned (8))); };
    114 struct agg_float_a8 pass_agg_float_a8(struct agg_float_a8 arg) { return arg; }
    115 // CHECK-LABEL: define void @pass_agg_float_a8(%struct.agg_float_a8* noalias sret %{{.*}}, double %{{.*}})
    116 
    117 struct agg_float_a16 { float a __attribute__((aligned (16))); };
    118 struct agg_float_a16 pass_agg_float_a16(struct agg_float_a16 arg) { return arg; }
    119 // CHECK-LABEL: define void @pass_agg_float_a16(%struct.agg_float_a16* noalias sret %{{.*}}, %struct.agg_float_a16* %{{.*}})
    120 
    121 
    122 // Verify that the following are *not* float-like aggregate types
    123 
    124 struct agg_nofloat1 { float a; float b; };
    125 struct agg_nofloat1 pass_agg_nofloat1(struct agg_nofloat1 arg) { return arg; }
    126 // CHECK-LABEL: define void @pass_agg_nofloat1(%struct.agg_nofloat1* noalias sret %{{.*}}, i64 %{{.*}})
    127 
    128 struct agg_nofloat2 { float a; int b; };
    129 struct agg_nofloat2 pass_agg_nofloat2(struct agg_nofloat2 arg) { return arg; }
    130 // CHECK-LABEL: define void @pass_agg_nofloat2(%struct.agg_nofloat2* noalias sret %{{.*}}, i64 %{{.*}})
    131 
    132 struct agg_nofloat3 { float a; int : 0; };
    133 struct agg_nofloat3 pass_agg_nofloat3(struct agg_nofloat3 arg) { return arg; }
    134 // CHECK-LABEL: define void @pass_agg_nofloat3(%struct.agg_nofloat3* noalias sret %{{.*}}, i32 %{{.*}})
    135 
    136 
    137 // Accessing variable argument lists
    138 
    139 int va_int(__builtin_va_list l) { return __builtin_va_arg(l, int); }
    140 // CHECK-LABEL: define signext i32 @va_int(%struct.__va_list_tag* %{{.*}})
    141 // CHECK: [[REG_COUNT_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 0
    142 // CHECK: [[REG_COUNT:%[^ ]+]] = load i64, i64* [[REG_COUNT_PTR]]
    143 // CHECK: [[FITS_IN_REGS:%[^ ]+]] = icmp ult i64 [[REG_COUNT]], 5
    144 // CHECK: br i1 [[FITS_IN_REGS]],
    145 // CHECK: [[SCALED_REG_COUNT:%[^ ]+]] = mul i64 [[REG_COUNT]], 8
    146 // CHECK: [[REG_OFFSET:%[^ ]+]] = add i64 [[SCALED_REG_COUNT]], 20
    147 // CHECK: [[REG_SAVE_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 3
    148 // CHECK: [[REG_SAVE_AREA:%[^ ]+]] = load i8*, i8** [[REG_SAVE_AREA_PTR:[^ ]+]]
    149 // CHECK: [[RAW_REG_ADDR:%[^ ]+]] = getelementptr i8, i8* [[REG_SAVE_AREA]], i64 [[REG_OFFSET]]
    150 // CHECK: [[REG_ADDR:%[^ ]+]] = bitcast i8* [[RAW_REG_ADDR]] to i32*
    151 // CHECK: [[REG_COUNT1:%[^ ]+]] = add i64 [[REG_COUNT]], 1
    152 // CHECK: store i64 [[REG_COUNT1]], i64* [[REG_COUNT_PTR]]
    153 // CHECK: [[OVERFLOW_ARG_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 2
    154 // CHECK: [[OVERFLOW_ARG_AREA:%[^ ]+]] = load i8*, i8** [[OVERFLOW_ARG_AREA_PTR]]
    155 // CHECK: [[RAW_MEM_ADDR:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 4
    156 // CHECK: [[MEM_ADDR:%[^ ]+]] = bitcast i8* [[RAW_MEM_ADDR]] to i32*
    157 // CHECK: [[OVERFLOW_ARG_AREA2:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 8
    158 // CHECK: store i8* [[OVERFLOW_ARG_AREA2]], i8** [[OVERFLOW_ARG_AREA_PTR]]
    159 // CHECK: [[VA_ARG_ADDR:%[^ ]+]] = phi i32* [ [[REG_ADDR]], %{{.*}} ], [ [[MEM_ADDR]], %{{.*}} ]
    160 // CHECK: [[RET:%[^ ]+]] = load i32, i32* [[VA_ARG_ADDR]]
    161 // CHECK: ret i32 [[RET]]
    162 
    163 long va_long(__builtin_va_list l) { return __builtin_va_arg(l, long); }
    164 // CHECK-LABEL: define i64 @va_long(%struct.__va_list_tag* %{{.*}})
    165 // CHECK: [[REG_COUNT_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 0
    166 // CHECK: [[REG_COUNT:%[^ ]+]] = load i64, i64* [[REG_COUNT_PTR]]
    167 // CHECK: [[FITS_IN_REGS:%[^ ]+]] = icmp ult i64 [[REG_COUNT]], 5
    168 // CHECK: br i1 [[FITS_IN_REGS]],
    169 // CHECK: [[SCALED_REG_COUNT:%[^ ]+]] = mul i64 [[REG_COUNT]], 8
    170 // CHECK: [[REG_OFFSET:%[^ ]+]] = add i64 [[SCALED_REG_COUNT]], 16
    171 // CHECK: [[REG_SAVE_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 3
    172 // CHECK: [[REG_SAVE_AREA:%[^ ]+]] = load i8*, i8** [[REG_SAVE_AREA_PTR:[^ ]+]]
    173 // CHECK: [[RAW_REG_ADDR:%[^ ]+]] = getelementptr i8, i8* [[REG_SAVE_AREA]], i64 [[REG_OFFSET]]
    174 // CHECK: [[REG_ADDR:%[^ ]+]] = bitcast i8* [[RAW_REG_ADDR]] to i64*
    175 // CHECK: [[REG_COUNT1:%[^ ]+]] = add i64 [[REG_COUNT]], 1
    176 // CHECK: store i64 [[REG_COUNT1]], i64* [[REG_COUNT_PTR]]
    177 // CHECK: [[OVERFLOW_ARG_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 2
    178 // CHECK: [[OVERFLOW_ARG_AREA:%[^ ]+]] = load i8*, i8** [[OVERFLOW_ARG_AREA_PTR]]
    179 // CHECK: [[RAW_MEM_ADDR:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 0
    180 // CHECK: [[MEM_ADDR:%[^ ]+]] = bitcast i8* [[RAW_MEM_ADDR]] to i64*
    181 // CHECK: [[OVERFLOW_ARG_AREA2:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 8
    182 // CHECK: store i8* [[OVERFLOW_ARG_AREA2]], i8** [[OVERFLOW_ARG_AREA_PTR]]
    183 // CHECK: [[VA_ARG_ADDR:%[^ ]+]] = phi i64* [ [[REG_ADDR]], %{{.*}} ], [ [[MEM_ADDR]], %{{.*}} ]
    184 // CHECK: [[RET:%[^ ]+]] = load i64, i64* [[VA_ARG_ADDR]]
    185 // CHECK: ret i64 [[RET]]
    186 
    187 long long va_longlong(__builtin_va_list l) { return __builtin_va_arg(l, long long); }
    188 // CHECK-LABEL: define i64 @va_longlong(%struct.__va_list_tag* %{{.*}})
    189 // CHECK: [[REG_COUNT_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 0
    190 // CHECK: [[REG_COUNT:%[^ ]+]] = load i64, i64* [[REG_COUNT_PTR]]
    191 // CHECK: [[FITS_IN_REGS:%[^ ]+]] = icmp ult i64 [[REG_COUNT]], 5
    192 // CHECK: br i1 [[FITS_IN_REGS]],
    193 // CHECK: [[SCALED_REG_COUNT:%[^ ]+]] = mul i64 [[REG_COUNT]], 8
    194 // CHECK: [[REG_OFFSET:%[^ ]+]] = add i64 [[SCALED_REG_COUNT]], 16
    195 // CHECK: [[REG_SAVE_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 3
    196 // CHECK: [[REG_SAVE_AREA:%[^ ]+]] = load i8*, i8** [[REG_SAVE_AREA_PTR:[^ ]+]]
    197 // CHECK: [[RAW_REG_ADDR:%[^ ]+]] = getelementptr i8, i8* [[REG_SAVE_AREA]], i64 [[REG_OFFSET]]
    198 // CHECK: [[REG_ADDR:%[^ ]+]] = bitcast i8* [[RAW_REG_ADDR]] to i64*
    199 // CHECK: [[REG_COUNT1:%[^ ]+]] = add i64 [[REG_COUNT]], 1
    200 // CHECK: store i64 [[REG_COUNT1]], i64* [[REG_COUNT_PTR]]
    201 // CHECK: [[OVERFLOW_ARG_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 2
    202 // CHECK: [[OVERFLOW_ARG_AREA:%[^ ]+]] = load i8*, i8** [[OVERFLOW_ARG_AREA_PTR]]
    203 // CHECK: [[RAW_MEM_ADDR:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 0
    204 // CHECK: [[MEM_ADDR:%[^ ]+]] = bitcast i8* [[RAW_MEM_ADDR]] to i64*
    205 // CHECK: [[OVERFLOW_ARG_AREA2:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 8
    206 // CHECK: store i8* [[OVERFLOW_ARG_AREA2]], i8** [[OVERFLOW_ARG_AREA_PTR]]
    207 // CHECK: [[VA_ARG_ADDR:%[^ ]+]] = phi i64* [ [[REG_ADDR]], %{{.*}} ], [ [[MEM_ADDR]], %{{.*}} ]
    208 // CHECK: [[RET:%[^ ]+]] = load i64, i64* [[VA_ARG_ADDR]]
    209 // CHECK: ret i64 [[RET]]
    210 
    211 double va_double(__builtin_va_list l) { return __builtin_va_arg(l, double); }
    212 // CHECK-LABEL: define double @va_double(%struct.__va_list_tag* %{{.*}})
    213 // CHECK: [[REG_COUNT_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 1
    214 // CHECK: [[REG_COUNT:%[^ ]+]] = load i64, i64* [[REG_COUNT_PTR]]
    215 // CHECK: [[FITS_IN_REGS:%[^ ]+]] = icmp ult i64 [[REG_COUNT]], 4
    216 // CHECK: br i1 [[FITS_IN_REGS]],
    217 // CHECK: [[SCALED_REG_COUNT:%[^ ]+]] = mul i64 [[REG_COUNT]], 8
    218 // CHECK: [[REG_OFFSET:%[^ ]+]] = add i64 [[SCALED_REG_COUNT]], 128
    219 // CHECK: [[REG_SAVE_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 3
    220 // CHECK: [[REG_SAVE_AREA:%[^ ]+]] = load i8*, i8** [[REG_SAVE_AREA_PTR:[^ ]+]]
    221 // CHECK: [[RAW_REG_ADDR:%[^ ]+]] = getelementptr i8, i8* [[REG_SAVE_AREA]], i64 [[REG_OFFSET]]
    222 // CHECK: [[REG_ADDR:%[^ ]+]] = bitcast i8* [[RAW_REG_ADDR]] to double*
    223 // CHECK: [[REG_COUNT1:%[^ ]+]] = add i64 [[REG_COUNT]], 1
    224 // CHECK: store i64 [[REG_COUNT1]], i64* [[REG_COUNT_PTR]]
    225 // CHECK: [[OVERFLOW_ARG_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 2
    226 // CHECK: [[OVERFLOW_ARG_AREA:%[^ ]+]] = load i8*, i8** [[OVERFLOW_ARG_AREA_PTR]]
    227 // CHECK: [[RAW_MEM_ADDR:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 0
    228 // CHECK: [[MEM_ADDR:%[^ ]+]] = bitcast i8* [[RAW_MEM_ADDR]] to double*
    229 // CHECK: [[OVERFLOW_ARG_AREA2:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 8
    230 // CHECK: store i8* [[OVERFLOW_ARG_AREA2]], i8** [[OVERFLOW_ARG_AREA_PTR]]
    231 // CHECK: [[VA_ARG_ADDR:%[^ ]+]] = phi double* [ [[REG_ADDR]], %{{.*}} ], [ [[MEM_ADDR]], %{{.*}} ]
    232 // CHECK: [[RET:%[^ ]+]] = load double, double* [[VA_ARG_ADDR]]
    233 // CHECK: ret double [[RET]]
    234 
    235 long double va_longdouble(__builtin_va_list l) { return __builtin_va_arg(l, long double); }
    236 // CHECK-LABEL: define void @va_longdouble(fp128* noalias sret %{{.*}}, %struct.__va_list_tag* %{{.*}})
    237 // CHECK: [[REG_COUNT_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 0
    238 // CHECK: [[REG_COUNT:%[^ ]+]] = load i64, i64* [[REG_COUNT_PTR]]
    239 // CHECK: [[FITS_IN_REGS:%[^ ]+]] = icmp ult i64 [[REG_COUNT]], 5
    240 // CHECK: br i1 [[FITS_IN_REGS]],
    241 // CHECK: [[SCALED_REG_COUNT:%[^ ]+]] = mul i64 [[REG_COUNT]], 8
    242 // CHECK: [[REG_OFFSET:%[^ ]+]] = add i64 [[SCALED_REG_COUNT]], 16
    243 // CHECK: [[REG_SAVE_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 3
    244 // CHECK: [[REG_SAVE_AREA:%[^ ]+]] = load i8*, i8** [[REG_SAVE_AREA_PTR:[^ ]+]]
    245 // CHECK: [[RAW_REG_ADDR:%[^ ]+]] = getelementptr i8, i8* [[REG_SAVE_AREA]], i64 [[REG_OFFSET]]
    246 // CHECK: [[REG_ADDR:%[^ ]+]] = bitcast i8* [[RAW_REG_ADDR]] to fp128**
    247 // CHECK: [[REG_COUNT1:%[^ ]+]] = add i64 [[REG_COUNT]], 1
    248 // CHECK: store i64 [[REG_COUNT1]], i64* [[REG_COUNT_PTR]]
    249 // CHECK: [[OVERFLOW_ARG_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 2
    250 // CHECK: [[OVERFLOW_ARG_AREA:%[^ ]+]] = load i8*, i8** [[OVERFLOW_ARG_AREA_PTR]]
    251 // CHECK: [[RAW_MEM_ADDR:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 0
    252 // CHECK: [[MEM_ADDR:%[^ ]+]] = bitcast i8* [[RAW_MEM_ADDR]] to fp128**
    253 // CHECK: [[OVERFLOW_ARG_AREA2:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 8
    254 // CHECK: store i8* [[OVERFLOW_ARG_AREA2]], i8** [[OVERFLOW_ARG_AREA_PTR]]
    255 // CHECK: [[VA_ARG_ADDR:%[^ ]+]] = phi fp128** [ [[REG_ADDR]], %{{.*}} ], [ [[MEM_ADDR]], %{{.*}} ]
    256 // CHECK: [[INDIRECT_ARG:%[^ ]+]] = load fp128*, fp128** [[VA_ARG_ADDR]]
    257 // CHECK: [[RET:%[^ ]+]] = load fp128, fp128* [[INDIRECT_ARG]]
    258 // CHECK: store fp128 [[RET]], fp128* %{{.*}}
    259 // CHECK: ret void
    260 
    261 _Complex char va_complex_char(__builtin_va_list l) { return __builtin_va_arg(l, _Complex char); }
    262 // CHECK-LABEL: define void @va_complex_char({ i8, i8 }* noalias sret %{{.*}}, %struct.__va_list_tag* %{{.*}}
    263 // CHECK: [[REG_COUNT_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 0
    264 // CHECK: [[REG_COUNT:%[^ ]+]] = load i64, i64* [[REG_COUNT_PTR]]
    265 // CHECK: [[FITS_IN_REGS:%[^ ]+]] = icmp ult i64 [[REG_COUNT]], 5
    266 // CHECK: br i1 [[FITS_IN_REGS]],
    267 // CHECK: [[SCALED_REG_COUNT:%[^ ]+]] = mul i64 [[REG_COUNT]], 8
    268 // CHECK: [[REG_OFFSET:%[^ ]+]] = add i64 [[SCALED_REG_COUNT]], 16
    269 // CHECK: [[REG_SAVE_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 3
    270 // CHECK: [[REG_SAVE_AREA:%[^ ]+]] = load i8*, i8** [[REG_SAVE_AREA_PTR:[^ ]+]]
    271 // CHECK: [[RAW_REG_ADDR:%[^ ]+]] = getelementptr i8, i8* [[REG_SAVE_AREA]], i64 [[REG_OFFSET]]
    272 // CHECK: [[REG_ADDR:%[^ ]+]] = bitcast i8* [[RAW_REG_ADDR]] to { i8, i8 }**
    273 // CHECK: [[REG_COUNT1:%[^ ]+]] = add i64 [[REG_COUNT]], 1
    274 // CHECK: store i64 [[REG_COUNT1]], i64* [[REG_COUNT_PTR]]
    275 // CHECK: [[OVERFLOW_ARG_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 2
    276 // CHECK: [[OVERFLOW_ARG_AREA:%[^ ]+]] = load i8*, i8** [[OVERFLOW_ARG_AREA_PTR]]
    277 // CHECK: [[RAW_MEM_ADDR:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 0
    278 // CHECK: [[MEM_ADDR:%[^ ]+]] = bitcast i8* [[RAW_MEM_ADDR]] to { i8, i8 }**
    279 // CHECK: [[OVERFLOW_ARG_AREA2:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 8
    280 // CHECK: store i8* [[OVERFLOW_ARG_AREA2]], i8** [[OVERFLOW_ARG_AREA_PTR]]
    281 // CHECK: [[VA_ARG_ADDR:%[^ ]+]] = phi { i8, i8 }** [ [[REG_ADDR]], %{{.*}} ], [ [[MEM_ADDR]], %{{.*}} ]
    282 // CHECK: [[INDIRECT_ARG:%[^ ]+]] = load { i8, i8 }*, { i8, i8 }** [[VA_ARG_ADDR]]
    283 // CHECK: ret void
    284 
    285 struct agg_1byte va_agg_1byte(__builtin_va_list l) { return __builtin_va_arg(l, struct agg_1byte); }
    286 // CHECK-LABEL: define void @va_agg_1byte(%struct.agg_1byte* noalias sret %{{.*}}, %struct.__va_list_tag* %{{.*}}
    287 // CHECK: [[REG_COUNT_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 0
    288 // CHECK: [[REG_COUNT:%[^ ]+]] = load i64, i64* [[REG_COUNT_PTR]]
    289 // CHECK: [[FITS_IN_REGS:%[^ ]+]] = icmp ult i64 [[REG_COUNT]], 5
    290 // CHECK: br i1 [[FITS_IN_REGS]],
    291 // CHECK: [[SCALED_REG_COUNT:%[^ ]+]] = mul i64 [[REG_COUNT]], 8
    292 // CHECK: [[REG_OFFSET:%[^ ]+]] = add i64 [[SCALED_REG_COUNT]], 23
    293 // CHECK: [[REG_SAVE_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 3
    294 // CHECK: [[REG_SAVE_AREA:%[^ ]+]] = load i8*, i8** [[REG_SAVE_AREA_PTR:[^ ]+]]
    295 // CHECK: [[RAW_REG_ADDR:%[^ ]+]] = getelementptr i8, i8* [[REG_SAVE_AREA]], i64 [[REG_OFFSET]]
    296 // CHECK: [[REG_ADDR:%[^ ]+]] = bitcast i8* [[RAW_REG_ADDR]] to %struct.agg_1byte*
    297 // CHECK: [[REG_COUNT1:%[^ ]+]] = add i64 [[REG_COUNT]], 1
    298 // CHECK: store i64 [[REG_COUNT1]], i64* [[REG_COUNT_PTR]]
    299 // CHECK: [[OVERFLOW_ARG_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 2
    300 // CHECK: [[OVERFLOW_ARG_AREA:%[^ ]+]] = load i8*, i8** [[OVERFLOW_ARG_AREA_PTR]]
    301 // CHECK: [[RAW_MEM_ADDR:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 7
    302 // CHECK: [[MEM_ADDR:%[^ ]+]] = bitcast i8* [[RAW_MEM_ADDR]] to %struct.agg_1byte*
    303 // CHECK: [[OVERFLOW_ARG_AREA2:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 8
    304 // CHECK: store i8* [[OVERFLOW_ARG_AREA2]], i8** [[OVERFLOW_ARG_AREA_PTR]]
    305 // CHECK: [[VA_ARG_ADDR:%[^ ]+]] = phi %struct.agg_1byte* [ [[REG_ADDR]], %{{.*}} ], [ [[MEM_ADDR]], %{{.*}} ]
    306 // CHECK: ret void
    307 
    308 struct agg_2byte va_agg_2byte(__builtin_va_list l) { return __builtin_va_arg(l, struct agg_2byte); }
    309 // CHECK-LABEL: define void @va_agg_2byte(%struct.agg_2byte* noalias sret %{{.*}}, %struct.__va_list_tag* %{{.*}}
    310 // CHECK: [[REG_COUNT_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 0
    311 // CHECK: [[REG_COUNT:%[^ ]+]] = load i64, i64* [[REG_COUNT_PTR]]
    312 // CHECK: [[FITS_IN_REGS:%[^ ]+]] = icmp ult i64 [[REG_COUNT]], 5
    313 // CHECK: br i1 [[FITS_IN_REGS]],
    314 // CHECK: [[SCALED_REG_COUNT:%[^ ]+]] = mul i64 [[REG_COUNT]], 8
    315 // CHECK: [[REG_OFFSET:%[^ ]+]] = add i64 [[SCALED_REG_COUNT]], 22
    316 // CHECK: [[REG_SAVE_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 3
    317 // CHECK: [[REG_SAVE_AREA:%[^ ]+]] = load i8*, i8** [[REG_SAVE_AREA_PTR:[^ ]+]]
    318 // CHECK: [[RAW_REG_ADDR:%[^ ]+]] = getelementptr i8, i8* [[REG_SAVE_AREA]], i64 [[REG_OFFSET]]
    319 // CHECK: [[REG_ADDR:%[^ ]+]] = bitcast i8* [[RAW_REG_ADDR]] to %struct.agg_2byte*
    320 // CHECK: [[REG_COUNT1:%[^ ]+]] = add i64 [[REG_COUNT]], 1
    321 // CHECK: store i64 [[REG_COUNT1]], i64* [[REG_COUNT_PTR]]
    322 // CHECK: [[OVERFLOW_ARG_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 2
    323 // CHECK: [[OVERFLOW_ARG_AREA:%[^ ]+]] = load i8*, i8** [[OVERFLOW_ARG_AREA_PTR]]
    324 // CHECK: [[RAW_MEM_ADDR:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 6
    325 // CHECK: [[MEM_ADDR:%[^ ]+]] = bitcast i8* [[RAW_MEM_ADDR]] to %struct.agg_2byte*
    326 // CHECK: [[OVERFLOW_ARG_AREA2:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 8
    327 // CHECK: store i8* [[OVERFLOW_ARG_AREA2]], i8** [[OVERFLOW_ARG_AREA_PTR]]
    328 // CHECK: [[VA_ARG_ADDR:%[^ ]+]] = phi %struct.agg_2byte* [ [[REG_ADDR]], %{{.*}} ], [ [[MEM_ADDR]], %{{.*}} ]
    329 // CHECK: ret void
    330 
    331 struct agg_3byte va_agg_3byte(__builtin_va_list l) { return __builtin_va_arg(l, struct agg_3byte); }
    332 // CHECK-LABEL: define void @va_agg_3byte(%struct.agg_3byte* noalias sret %{{.*}}, %struct.__va_list_tag* %{{.*}}
    333 // CHECK: [[REG_COUNT_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 0
    334 // CHECK: [[REG_COUNT:%[^ ]+]] = load i64, i64* [[REG_COUNT_PTR]]
    335 // CHECK: [[FITS_IN_REGS:%[^ ]+]] = icmp ult i64 [[REG_COUNT]], 5
    336 // CHECK: br i1 [[FITS_IN_REGS]],
    337 // CHECK: [[SCALED_REG_COUNT:%[^ ]+]] = mul i64 [[REG_COUNT]], 8
    338 // CHECK: [[REG_OFFSET:%[^ ]+]] = add i64 [[SCALED_REG_COUNT]], 16
    339 // CHECK: [[REG_SAVE_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 3
    340 // CHECK: [[REG_SAVE_AREA:%[^ ]+]] = load i8*, i8** [[REG_SAVE_AREA_PTR:[^ ]+]]
    341 // CHECK: [[RAW_REG_ADDR:%[^ ]+]] = getelementptr i8, i8* [[REG_SAVE_AREA]], i64 [[REG_OFFSET]]
    342 // CHECK: [[REG_ADDR:%[^ ]+]] = bitcast i8* [[RAW_REG_ADDR]] to %struct.agg_3byte**
    343 // CHECK: [[REG_COUNT1:%[^ ]+]] = add i64 [[REG_COUNT]], 1
    344 // CHECK: store i64 [[REG_COUNT1]], i64* [[REG_COUNT_PTR]]
    345 // CHECK: [[OVERFLOW_ARG_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 2
    346 // CHECK: [[OVERFLOW_ARG_AREA:%[^ ]+]] = load i8*, i8** [[OVERFLOW_ARG_AREA_PTR]]
    347 // CHECK: [[RAW_MEM_ADDR:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 0
    348 // CHECK: [[MEM_ADDR:%[^ ]+]] = bitcast i8* [[RAW_MEM_ADDR]] to %struct.agg_3byte**
    349 // CHECK: [[OVERFLOW_ARG_AREA2:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 8
    350 // CHECK: store i8* [[OVERFLOW_ARG_AREA2]], i8** [[OVERFLOW_ARG_AREA_PTR]]
    351 // CHECK: [[VA_ARG_ADDR:%[^ ]+]] = phi %struct.agg_3byte** [ [[REG_ADDR]], %{{.*}} ], [ [[MEM_ADDR]], %{{.*}} ]
    352 // CHECK: [[INDIRECT_ARG:%[^ ]+]] = load %struct.agg_3byte*, %struct.agg_3byte** [[VA_ARG_ADDR]]
    353 // CHECK: ret void
    354 
    355 struct agg_4byte va_agg_4byte(__builtin_va_list l) { return __builtin_va_arg(l, struct agg_4byte); }
    356 // CHECK-LABEL: define void @va_agg_4byte(%struct.agg_4byte* noalias sret %{{.*}}, %struct.__va_list_tag* %{{.*}}
    357 // CHECK: [[REG_COUNT_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 0
    358 // CHECK: [[REG_COUNT:%[^ ]+]] = load i64, i64* [[REG_COUNT_PTR]]
    359 // CHECK: [[FITS_IN_REGS:%[^ ]+]] = icmp ult i64 [[REG_COUNT]], 5
    360 // CHECK: br i1 [[FITS_IN_REGS]],
    361 // CHECK: [[SCALED_REG_COUNT:%[^ ]+]] = mul i64 [[REG_COUNT]], 8
    362 // CHECK: [[REG_OFFSET:%[^ ]+]] = add i64 [[SCALED_REG_COUNT]], 20
    363 // CHECK: [[REG_SAVE_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 3
    364 // CHECK: [[REG_SAVE_AREA:%[^ ]+]] = load i8*, i8** [[REG_SAVE_AREA_PTR:[^ ]+]]
    365 // CHECK: [[RAW_REG_ADDR:%[^ ]+]] = getelementptr i8, i8* [[REG_SAVE_AREA]], i64 [[REG_OFFSET]]
    366 // CHECK: [[REG_ADDR:%[^ ]+]] = bitcast i8* [[RAW_REG_ADDR]] to %struct.agg_4byte*
    367 // CHECK: [[REG_COUNT1:%[^ ]+]] = add i64 [[REG_COUNT]], 1
    368 // CHECK: store i64 [[REG_COUNT1]], i64* [[REG_COUNT_PTR]]
    369 // CHECK: [[OVERFLOW_ARG_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 2
    370 // CHECK: [[OVERFLOW_ARG_AREA:%[^ ]+]] = load i8*, i8** [[OVERFLOW_ARG_AREA_PTR]]
    371 // CHECK: [[RAW_MEM_ADDR:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 4
    372 // CHECK: [[MEM_ADDR:%[^ ]+]] = bitcast i8* [[RAW_MEM_ADDR]] to %struct.agg_4byte*
    373 // CHECK: [[OVERFLOW_ARG_AREA2:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 8
    374 // CHECK: store i8* [[OVERFLOW_ARG_AREA2]], i8** [[OVERFLOW_ARG_AREA_PTR]]
    375 // CHECK: [[VA_ARG_ADDR:%[^ ]+]] = phi %struct.agg_4byte* [ [[REG_ADDR]], %{{.*}} ], [ [[MEM_ADDR]], %{{.*}} ]
    376 // CHECK: ret void
    377 
    378 struct agg_8byte va_agg_8byte(__builtin_va_list l) { return __builtin_va_arg(l, struct agg_8byte); }
    379 // CHECK-LABEL: define void @va_agg_8byte(%struct.agg_8byte* noalias sret %{{.*}}, %struct.__va_list_tag* %{{.*}}
    380 // CHECK: [[REG_COUNT_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 0
    381 // CHECK: [[REG_COUNT:%[^ ]+]] = load i64, i64* [[REG_COUNT_PTR]]
    382 // CHECK: [[FITS_IN_REGS:%[^ ]+]] = icmp ult i64 [[REG_COUNT]], 5
    383 // CHECK: br i1 [[FITS_IN_REGS]],
    384 // CHECK: [[SCALED_REG_COUNT:%[^ ]+]] = mul i64 [[REG_COUNT]], 8
    385 // CHECK: [[REG_OFFSET:%[^ ]+]] = add i64 [[SCALED_REG_COUNT]], 16
    386 // CHECK: [[REG_SAVE_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 3
    387 // CHECK: [[REG_SAVE_AREA:%[^ ]+]] = load i8*, i8** [[REG_SAVE_AREA_PTR:[^ ]+]]
    388 // CHECK: [[RAW_REG_ADDR:%[^ ]+]] = getelementptr i8, i8* [[REG_SAVE_AREA]], i64 [[REG_OFFSET]]
    389 // CHECK: [[REG_ADDR:%[^ ]+]] = bitcast i8* [[RAW_REG_ADDR]] to %struct.agg_8byte*
    390 // CHECK: [[REG_COUNT1:%[^ ]+]] = add i64 [[REG_COUNT]], 1
    391 // CHECK: store i64 [[REG_COUNT1]], i64* [[REG_COUNT_PTR]]
    392 // CHECK: [[OVERFLOW_ARG_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 2
    393 // CHECK: [[OVERFLOW_ARG_AREA:%[^ ]+]] = load i8*, i8** [[OVERFLOW_ARG_AREA_PTR]]
    394 // CHECK: [[RAW_MEM_ADDR:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 0
    395 // CHECK: [[MEM_ADDR:%[^ ]+]] = bitcast i8* [[RAW_MEM_ADDR]] to %struct.agg_8byte*
    396 // CHECK: [[OVERFLOW_ARG_AREA2:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 8
    397 // CHECK: store i8* [[OVERFLOW_ARG_AREA2]], i8** [[OVERFLOW_ARG_AREA_PTR]]
    398 // CHECK: [[VA_ARG_ADDR:%[^ ]+]] = phi %struct.agg_8byte* [ [[REG_ADDR]], %{{.*}} ], [ [[MEM_ADDR]], %{{.*}} ]
    399 // CHECK: ret void
    400 
    401 struct agg_float va_agg_float(__builtin_va_list l) { return __builtin_va_arg(l, struct agg_float); }
    402 // CHECK-LABEL: define void @va_agg_float(%struct.agg_float* noalias sret %{{.*}}, %struct.__va_list_tag* %{{.*}}
    403 // CHECK: [[REG_COUNT_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 1
    404 // CHECK: [[REG_COUNT:%[^ ]+]] = load i64, i64* [[REG_COUNT_PTR]]
    405 // CHECK: [[FITS_IN_REGS:%[^ ]+]] = icmp ult i64 [[REG_COUNT]], 4
    406 // CHECK: br i1 [[FITS_IN_REGS]],
    407 // CHECK: [[SCALED_REG_COUNT:%[^ ]+]] = mul i64 [[REG_COUNT]], 8
    408 // CHECK: [[REG_OFFSET:%[^ ]+]] = add i64 [[SCALED_REG_COUNT]], 128
    409 // CHECK: [[REG_SAVE_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 3
    410 // CHECK: [[REG_SAVE_AREA:%[^ ]+]] = load i8*, i8** [[REG_SAVE_AREA_PTR:[^ ]+]]
    411 // CHECK: [[RAW_REG_ADDR:%[^ ]+]] = getelementptr i8, i8* [[REG_SAVE_AREA]], i64 [[REG_OFFSET]]
    412 // CHECK: [[REG_ADDR:%[^ ]+]] = bitcast i8* [[RAW_REG_ADDR]] to %struct.agg_float*
    413 // CHECK: [[REG_COUNT1:%[^ ]+]] = add i64 [[REG_COUNT]], 1
    414 // CHECK: store i64 [[REG_COUNT1]], i64* [[REG_COUNT_PTR]]
    415 // CHECK: [[OVERFLOW_ARG_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 2
    416 // CHECK: [[OVERFLOW_ARG_AREA:%[^ ]+]] = load i8*, i8** [[OVERFLOW_ARG_AREA_PTR]]
    417 // CHECK: [[RAW_MEM_ADDR:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 4
    418 // CHECK: [[MEM_ADDR:%[^ ]+]] = bitcast i8* [[RAW_MEM_ADDR]] to %struct.agg_float*
    419 // CHECK: [[OVERFLOW_ARG_AREA2:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 8
    420 // CHECK: store i8* [[OVERFLOW_ARG_AREA2]], i8** [[OVERFLOW_ARG_AREA_PTR]]
    421 // CHECK: [[VA_ARG_ADDR:%[^ ]+]] = phi %struct.agg_float* [ [[REG_ADDR]], %{{.*}} ], [ [[MEM_ADDR]], %{{.*}} ]
    422 // CHECK: ret void
    423 
    424 struct agg_double va_agg_double(__builtin_va_list l) { return __builtin_va_arg(l, struct agg_double); }
    425 // CHECK-LABEL: define void @va_agg_double(%struct.agg_double* noalias sret %{{.*}}, %struct.__va_list_tag* %{{.*}}
    426 // CHECK: [[REG_COUNT_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 1
    427 // CHECK: [[REG_COUNT:%[^ ]+]] = load i64, i64* [[REG_COUNT_PTR]]
    428 // CHECK: [[FITS_IN_REGS:%[^ ]+]] = icmp ult i64 [[REG_COUNT]], 4
    429 // CHECK: br i1 [[FITS_IN_REGS]],
    430 // CHECK: [[SCALED_REG_COUNT:%[^ ]+]] = mul i64 [[REG_COUNT]], 8
    431 // CHECK: [[REG_OFFSET:%[^ ]+]] = add i64 [[SCALED_REG_COUNT]], 128
    432 // CHECK: [[REG_SAVE_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 3
    433 // CHECK: [[REG_SAVE_AREA:%[^ ]+]] = load i8*, i8** [[REG_SAVE_AREA_PTR:[^ ]+]]
    434 // CHECK: [[RAW_REG_ADDR:%[^ ]+]] = getelementptr i8, i8* [[REG_SAVE_AREA]], i64 [[REG_OFFSET]]
    435 // CHECK: [[REG_ADDR:%[^ ]+]] = bitcast i8* [[RAW_REG_ADDR]] to %struct.agg_double*
    436 // CHECK: [[REG_COUNT1:%[^ ]+]] = add i64 [[REG_COUNT]], 1
    437 // CHECK: store i64 [[REG_COUNT1]], i64* [[REG_COUNT_PTR]]
    438 // CHECK: [[OVERFLOW_ARG_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 2
    439 // CHECK: [[OVERFLOW_ARG_AREA:%[^ ]+]] = load i8*, i8** [[OVERFLOW_ARG_AREA_PTR]]
    440 // CHECK: [[RAW_MEM_ADDR:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 0
    441 // CHECK: [[MEM_ADDR:%[^ ]+]] = bitcast i8* [[RAW_MEM_ADDR]] to %struct.agg_double*
    442 // CHECK: [[OVERFLOW_ARG_AREA2:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 8
    443 // CHECK: store i8* [[OVERFLOW_ARG_AREA2]], i8** [[OVERFLOW_ARG_AREA_PTR]]
    444 // CHECK: [[VA_ARG_ADDR:%[^ ]+]] = phi %struct.agg_double* [ [[REG_ADDR]], %{{.*}} ], [ [[MEM_ADDR]], %{{.*}} ]
    445 // CHECK: ret void
    446 
    447 struct agg_longdouble va_agg_longdouble(__builtin_va_list l) { return __builtin_va_arg(l, struct agg_longdouble); }
    448 // CHECK-LABEL: define void @va_agg_longdouble(%struct.agg_longdouble* noalias sret %{{.*}}, %struct.__va_list_tag* %{{.*}}
    449 // CHECK: [[REG_COUNT_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 0
    450 // CHECK: [[REG_COUNT:%[^ ]+]] = load i64, i64* [[REG_COUNT_PTR]]
    451 // CHECK: [[FITS_IN_REGS:%[^ ]+]] = icmp ult i64 [[REG_COUNT]], 5
    452 // CHECK: br i1 [[FITS_IN_REGS]],
    453 // CHECK: [[SCALED_REG_COUNT:%[^ ]+]] = mul i64 [[REG_COUNT]], 8
    454 // CHECK: [[REG_OFFSET:%[^ ]+]] = add i64 [[SCALED_REG_COUNT]], 16
    455 // CHECK: [[REG_SAVE_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 3
    456 // CHECK: [[REG_SAVE_AREA:%[^ ]+]] = load i8*, i8** [[REG_SAVE_AREA_PTR:[^ ]+]]
    457 // CHECK: [[RAW_REG_ADDR:%[^ ]+]] = getelementptr i8, i8* [[REG_SAVE_AREA]], i64 [[REG_OFFSET]]
    458 // CHECK: [[REG_ADDR:%[^ ]+]] = bitcast i8* [[RAW_REG_ADDR]] to %struct.agg_longdouble**
    459 // CHECK: [[REG_COUNT1:%[^ ]+]] = add i64 [[REG_COUNT]], 1
    460 // CHECK: store i64 [[REG_COUNT1]], i64* [[REG_COUNT_PTR]]
    461 // CHECK: [[OVERFLOW_ARG_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 2
    462 // CHECK: [[OVERFLOW_ARG_AREA:%[^ ]+]] = load i8*, i8** [[OVERFLOW_ARG_AREA_PTR]]
    463 // CHECK: [[RAW_MEM_ADDR:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 0
    464 // CHECK: [[MEM_ADDR:%[^ ]+]] = bitcast i8* [[RAW_MEM_ADDR]] to %struct.agg_longdouble**
    465 // CHECK: [[OVERFLOW_ARG_AREA2:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 8
    466 // CHECK: store i8* [[OVERFLOW_ARG_AREA2]], i8** [[OVERFLOW_ARG_AREA_PTR]]
    467 // CHECK: [[VA_ARG_ADDR:%[^ ]+]] = phi %struct.agg_longdouble** [ [[REG_ADDR]], %{{.*}} ], [ [[MEM_ADDR]], %{{.*}} ]
    468 // CHECK: [[INDIRECT_ARG:%[^ ]+]] = load %struct.agg_longdouble*, %struct.agg_longdouble** [[VA_ARG_ADDR]]
    469 // CHECK: ret void
    470 
    471 struct agg_float_a8 va_agg_float_a8(__builtin_va_list l) { return __builtin_va_arg(l, struct agg_float_a8); }
    472 // CHECK-LABEL: define void @va_agg_float_a8(%struct.agg_float_a8* noalias sret %{{.*}}, %struct.__va_list_tag* %{{.*}}
    473 // CHECK: [[REG_COUNT_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 1
    474 // CHECK: [[REG_COUNT:%[^ ]+]] = load i64, i64* [[REG_COUNT_PTR]]
    475 // CHECK: [[FITS_IN_REGS:%[^ ]+]] = icmp ult i64 [[REG_COUNT]], 4
    476 // CHECK: br i1 [[FITS_IN_REGS]],
    477 // CHECK: [[SCALED_REG_COUNT:%[^ ]+]] = mul i64 [[REG_COUNT]], 8
    478 // CHECK: [[REG_OFFSET:%[^ ]+]] = add i64 [[SCALED_REG_COUNT]], 128
    479 // CHECK: [[REG_SAVE_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 3
    480 // CHECK: [[REG_SAVE_AREA:%[^ ]+]] = load i8*, i8** [[REG_SAVE_AREA_PTR:[^ ]+]]
    481 // CHECK: [[RAW_REG_ADDR:%[^ ]+]] = getelementptr i8, i8* [[REG_SAVE_AREA]], i64 [[REG_OFFSET]]
    482 // CHECK: [[REG_ADDR:%[^ ]+]] = bitcast i8* [[RAW_REG_ADDR]] to %struct.agg_float_a8*
    483 // CHECK: [[REG_COUNT1:%[^ ]+]] = add i64 [[REG_COUNT]], 1
    484 // CHECK: store i64 [[REG_COUNT1]], i64* [[REG_COUNT_PTR]]
    485 // CHECK: [[OVERFLOW_ARG_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 2
    486 // CHECK: [[OVERFLOW_ARG_AREA:%[^ ]+]] = load i8*, i8** [[OVERFLOW_ARG_AREA_PTR]]
    487 // CHECK: [[RAW_MEM_ADDR:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 0
    488 // CHECK: [[MEM_ADDR:%[^ ]+]] = bitcast i8* [[RAW_MEM_ADDR]] to %struct.agg_float_a8*
    489 // CHECK: [[OVERFLOW_ARG_AREA2:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 8
    490 // CHECK: store i8* [[OVERFLOW_ARG_AREA2]], i8** [[OVERFLOW_ARG_AREA_PTR]]
    491 // CHECK: [[VA_ARG_ADDR:%[^ ]+]] = phi %struct.agg_float_a8* [ [[REG_ADDR]], %{{.*}} ], [ [[MEM_ADDR]], %{{.*}} ]
    492 // CHECK: ret void
    493 
    494 struct agg_float_a16 va_agg_float_a16(__builtin_va_list l) { return __builtin_va_arg(l, struct agg_float_a16); }
    495 // CHECK-LABEL: define void @va_agg_float_a16(%struct.agg_float_a16* noalias sret %{{.*}}, %struct.__va_list_tag* %{{.*}}
    496 // CHECK: [[REG_COUNT_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 0
    497 // CHECK: [[REG_COUNT:%[^ ]+]] = load i64, i64* [[REG_COUNT_PTR]]
    498 // CHECK: [[FITS_IN_REGS:%[^ ]+]] = icmp ult i64 [[REG_COUNT]], 5
    499 // CHECK: br i1 [[FITS_IN_REGS]],
    500 // CHECK: [[SCALED_REG_COUNT:%[^ ]+]] = mul i64 [[REG_COUNT]], 8
    501 // CHECK: [[REG_OFFSET:%[^ ]+]] = add i64 [[SCALED_REG_COUNT]], 16
    502 // CHECK: [[REG_SAVE_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 3
    503 // CHECK: [[REG_SAVE_AREA:%[^ ]+]] = load i8*, i8** [[REG_SAVE_AREA_PTR:[^ ]+]]
    504 // CHECK: [[RAW_REG_ADDR:%[^ ]+]] = getelementptr i8, i8* [[REG_SAVE_AREA]], i64 [[REG_OFFSET]]
    505 // CHECK: [[REG_ADDR:%[^ ]+]] = bitcast i8* [[RAW_REG_ADDR]] to %struct.agg_float_a16**
    506 // CHECK: [[REG_COUNT1:%[^ ]+]] = add i64 [[REG_COUNT]], 1
    507 // CHECK: store i64 [[REG_COUNT1]], i64* [[REG_COUNT_PTR]]
    508 // CHECK: [[OVERFLOW_ARG_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 2
    509 // CHECK: [[OVERFLOW_ARG_AREA:%[^ ]+]] = load i8*, i8** [[OVERFLOW_ARG_AREA_PTR]]
    510 // CHECK: [[RAW_MEM_ADDR:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 0
    511 // CHECK: [[MEM_ADDR:%[^ ]+]] = bitcast i8* [[RAW_MEM_ADDR]] to %struct.agg_float_a16**
    512 // CHECK: [[OVERFLOW_ARG_AREA2:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 8
    513 // CHECK: store i8* [[OVERFLOW_ARG_AREA2]], i8** [[OVERFLOW_ARG_AREA_PTR]]
    514 // CHECK: [[VA_ARG_ADDR:%[^ ]+]] = phi %struct.agg_float_a16** [ [[REG_ADDR]], %{{.*}} ], [ [[MEM_ADDR]], %{{.*}} ]
    515 // CHECK: [[INDIRECT_ARG:%[^ ]+]] = load %struct.agg_float_a16*, %struct.agg_float_a16** [[VA_ARG_ADDR]]
    516 // CHECK: ret void
    517 
    518 struct agg_nofloat1 va_agg_nofloat1(__builtin_va_list l) { return __builtin_va_arg(l, struct agg_nofloat1); }
    519 // CHECK-LABEL: define void @va_agg_nofloat1(%struct.agg_nofloat1* noalias sret %{{.*}}, %struct.__va_list_tag* %{{.*}}
    520 // CHECK: [[REG_COUNT_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 0
    521 // CHECK: [[REG_COUNT:%[^ ]+]] = load i64, i64* [[REG_COUNT_PTR]]
    522 // CHECK: [[FITS_IN_REGS:%[^ ]+]] = icmp ult i64 [[REG_COUNT]], 5
    523 // CHECK: br i1 [[FITS_IN_REGS]],
    524 // CHECK: [[SCALED_REG_COUNT:%[^ ]+]] = mul i64 [[REG_COUNT]], 8
    525 // CHECK: [[REG_OFFSET:%[^ ]+]] = add i64 [[SCALED_REG_COUNT]], 16
    526 // CHECK: [[REG_SAVE_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 3
    527 // CHECK: [[REG_SAVE_AREA:%[^ ]+]] = load i8*, i8** [[REG_SAVE_AREA_PTR:[^ ]+]]
    528 // CHECK: [[RAW_REG_ADDR:%[^ ]+]] = getelementptr i8, i8* [[REG_SAVE_AREA]], i64 [[REG_OFFSET]]
    529 // CHECK: [[REG_ADDR:%[^ ]+]] = bitcast i8* [[RAW_REG_ADDR]] to %struct.agg_nofloat1*
    530 // CHECK: [[REG_COUNT1:%[^ ]+]] = add i64 [[REG_COUNT]], 1
    531 // CHECK: store i64 [[REG_COUNT1]], i64* [[REG_COUNT_PTR]]
    532 // CHECK: [[OVERFLOW_ARG_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 2
    533 // CHECK: [[OVERFLOW_ARG_AREA:%[^ ]+]] = load i8*, i8** [[OVERFLOW_ARG_AREA_PTR]]
    534 // CHECK: [[RAW_MEM_ADDR:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 0
    535 // CHECK: [[MEM_ADDR:%[^ ]+]] = bitcast i8* [[RAW_MEM_ADDR]] to %struct.agg_nofloat1*
    536 // CHECK: [[OVERFLOW_ARG_AREA2:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 8
    537 // CHECK: store i8* [[OVERFLOW_ARG_AREA2]], i8** [[OVERFLOW_ARG_AREA_PTR]]
    538 // CHECK: [[VA_ARG_ADDR:%[^ ]+]] = phi %struct.agg_nofloat1* [ [[REG_ADDR]], %{{.*}} ], [ [[MEM_ADDR]], %{{.*}} ]
    539 // CHECK: ret void
    540 
    541 struct agg_nofloat2 va_agg_nofloat2(__builtin_va_list l) { return __builtin_va_arg(l, struct agg_nofloat2); }
    542 // CHECK-LABEL: define void @va_agg_nofloat2(%struct.agg_nofloat2* noalias sret %{{.*}}, %struct.__va_list_tag* %{{.*}}
    543 // CHECK: [[REG_COUNT_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 0
    544 // CHECK: [[REG_COUNT:%[^ ]+]] = load i64, i64* [[REG_COUNT_PTR]]
    545 // CHECK: [[FITS_IN_REGS:%[^ ]+]] = icmp ult i64 [[REG_COUNT]], 5
    546 // CHECK: br i1 [[FITS_IN_REGS]],
    547 // CHECK: [[SCALED_REG_COUNT:%[^ ]+]] = mul i64 [[REG_COUNT]], 8
    548 // CHECK: [[REG_OFFSET:%[^ ]+]] = add i64 [[SCALED_REG_COUNT]], 16
    549 // CHECK: [[REG_SAVE_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 3
    550 // CHECK: [[REG_SAVE_AREA:%[^ ]+]] = load i8*, i8** [[REG_SAVE_AREA_PTR:[^ ]+]]
    551 // CHECK: [[RAW_REG_ADDR:%[^ ]+]] = getelementptr i8, i8* [[REG_SAVE_AREA]], i64 [[REG_OFFSET]]
    552 // CHECK: [[REG_ADDR:%[^ ]+]] = bitcast i8* [[RAW_REG_ADDR]] to %struct.agg_nofloat2*
    553 // CHECK: [[REG_COUNT1:%[^ ]+]] = add i64 [[REG_COUNT]], 1
    554 // CHECK: store i64 [[REG_COUNT1]], i64* [[REG_COUNT_PTR]]
    555 // CHECK: [[OVERFLOW_ARG_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 2
    556 // CHECK: [[OVERFLOW_ARG_AREA:%[^ ]+]] = load i8*, i8** [[OVERFLOW_ARG_AREA_PTR]]
    557 // CHECK: [[RAW_MEM_ADDR:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 0
    558 // CHECK: [[MEM_ADDR:%[^ ]+]] = bitcast i8* [[RAW_MEM_ADDR]] to %struct.agg_nofloat2*
    559 // CHECK: [[OVERFLOW_ARG_AREA2:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 8
    560 // CHECK: store i8* [[OVERFLOW_ARG_AREA2]], i8** [[OVERFLOW_ARG_AREA_PTR]]
    561 // CHECK: [[VA_ARG_ADDR:%[^ ]+]] = phi %struct.agg_nofloat2* [ [[REG_ADDR]], %{{.*}} ], [ [[MEM_ADDR]], %{{.*}} ]
    562 // CHECK: ret void
    563 
    564 struct agg_nofloat3 va_agg_nofloat3(__builtin_va_list l) { return __builtin_va_arg(l, struct agg_nofloat3); }
    565 // CHECK-LABEL: define void @va_agg_nofloat3(%struct.agg_nofloat3* noalias sret %{{.*}}, %struct.__va_list_tag* %{{.*}}
    566 // CHECK: [[REG_COUNT_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 0
    567 // CHECK: [[REG_COUNT:%[^ ]+]] = load i64, i64* [[REG_COUNT_PTR]]
    568 // CHECK: [[FITS_IN_REGS:%[^ ]+]] = icmp ult i64 [[REG_COUNT]], 5
    569 // CHECK: br i1 [[FITS_IN_REGS]],
    570 // CHECK: [[SCALED_REG_COUNT:%[^ ]+]] = mul i64 [[REG_COUNT]], 8
    571 // CHECK: [[REG_OFFSET:%[^ ]+]] = add i64 [[SCALED_REG_COUNT]], 20
    572 // CHECK: [[REG_SAVE_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 3
    573 // CHECK: [[REG_SAVE_AREA:%[^ ]+]] = load i8*, i8** [[REG_SAVE_AREA_PTR:[^ ]+]]
    574 // CHECK: [[RAW_REG_ADDR:%[^ ]+]] = getelementptr i8, i8* [[REG_SAVE_AREA]], i64 [[REG_OFFSET]]
    575 // CHECK: [[REG_ADDR:%[^ ]+]] = bitcast i8* [[RAW_REG_ADDR]] to %struct.agg_nofloat3*
    576 // CHECK: [[REG_COUNT1:%[^ ]+]] = add i64 [[REG_COUNT]], 1
    577 // CHECK: store i64 [[REG_COUNT1]], i64* [[REG_COUNT_PTR]]
    578 // CHECK: [[OVERFLOW_ARG_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 2
    579 // CHECK: [[OVERFLOW_ARG_AREA:%[^ ]+]] = load i8*, i8** [[OVERFLOW_ARG_AREA_PTR]]
    580 // CHECK: [[RAW_MEM_ADDR:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 4
    581 // CHECK: [[MEM_ADDR:%[^ ]+]] = bitcast i8* [[RAW_MEM_ADDR]] to %struct.agg_nofloat3*
    582 // CHECK: [[OVERFLOW_ARG_AREA2:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 8
    583 // CHECK: store i8* [[OVERFLOW_ARG_AREA2]], i8** [[OVERFLOW_ARG_AREA_PTR]]
    584 // CHECK: [[VA_ARG_ADDR:%[^ ]+]] = phi %struct.agg_nofloat3* [ [[REG_ADDR]], %{{.*}} ], [ [[MEM_ADDR]], %{{.*}} ]
    585 // CHECK: ret void
    586 
    587