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      1 ; RUN: llc -show-mc-encoding -mattr=+promote-alloca -verify-machineinstrs -march=amdgcn < %s | FileCheck %s -check-prefix=SI-PROMOTE -check-prefix=SI -check-prefix=FUNC
      2 ; RUN: llc -show-mc-encoding -mattr=+promote-alloca -verify-machineinstrs -mtriple=amdgcn--amdhsa -mcpu=kaveri -mattr=-unaligned-buffer-access < %s | FileCheck %s -check-prefix=SI-PROMOTE -check-prefix=SI -check-prefix=FUNC -check-prefix=HSA-PROMOTE
      3 ; RUN: llc -show-mc-encoding -mattr=-promote-alloca -verify-machineinstrs -march=amdgcn < %s | FileCheck %s -check-prefix=SI-ALLOCA -check-prefix=SI -check-prefix=FUNC
      4 ; RUN: llc -show-mc-encoding -mattr=-promote-alloca -verify-machineinstrs -mtriple=amdgcn-amdhsa -mcpu=kaveri -mattr=-unaligned-buffer-access < %s | FileCheck %s -check-prefix=SI-ALLOCA -check-prefix=SI -check-prefix=FUNC -check-prefix=HSA-ALLOCA
      5 ; RUN: llc -show-mc-encoding -mattr=+promote-alloca -verify-machineinstrs -mtriple=amdgcn-amdhsa -march=amdgcn -mcpu=tonga -mattr=-unaligned-buffer-access < %s | FileCheck %s -check-prefix=SI-PROMOTE -check-prefix=SI -check-prefix=FUNC
      6 ; RUN: llc -show-mc-encoding -mattr=-promote-alloca -verify-machineinstrs -mtriple=amdgcn-amdhsa -march=amdgcn -mcpu=tonga -mattr=-unaligned-buffer-access < %s | FileCheck %s -check-prefix=SI-ALLOCA -check-prefix=SI -check-prefix=FUNC
      7 
      8 ; RUN: opt -S -mtriple=amdgcn-unknown-amdhsa -mcpu=kaveri -amdgpu-promote-alloca < %s | FileCheck -check-prefix=HSAOPT -check-prefix=OPT %s
      9 ; RUN: opt -S -mtriple=amdgcn-unknown-unknown -mcpu=kaveri -amdgpu-promote-alloca < %s | FileCheck -check-prefix=NOHSAOPT -check-prefix=OPT %s
     10 
     11 ; RUN: llc -march=r600 -mcpu=cypress < %s | FileCheck %s -check-prefix=R600 -check-prefix=FUNC
     12 
     13 
     14 ; HSAOPT: @mova_same_clause.stack = internal unnamed_addr addrspace(3) global [256 x [5 x i32]] undef, align 4
     15 ; HSAOPT: @high_alignment.stack = internal unnamed_addr addrspace(3) global [256 x [8 x i32]] undef, align 16
     16 
     17 
     18 ; FUNC-LABEL: {{^}}mova_same_clause:
     19 ; OPT-LABEL: @mova_same_clause(
     20 
     21 ; R600: LDS_WRITE
     22 ; R600: LDS_WRITE
     23 ; R600: LDS_READ
     24 ; R600: LDS_READ
     25 
     26 ; HSA-PROMOTE: .amd_kernel_code_t
     27 ; HSA-PROMOTE: workgroup_group_segment_byte_size = 5120
     28 ; HSA-PROMOTE: .end_amd_kernel_code_t
     29 
     30 ; FIXME: These should be merged
     31 ; HSA-PROMOTE: s_load_dword s{{[0-9]+}}, s[4:5], 0x1
     32 ; HSA-PROMOTE: s_load_dword s{{[0-9]+}}, s[4:5], 0x2
     33 
     34 ; SI-PROMOTE: ds_write_b32
     35 ; SI-PROMOTE: ds_write_b32
     36 ; SI-PROMOTE: ds_read_b32
     37 ; SI-PROMOTE: ds_read_b32
     38 
     39 ; HSA-ALLOCA: .amd_kernel_code_t
     40 ; FIXME: Creating the emergency stack slots causes us to over-estimate scratch
     41 ; by 4 bytes.
     42 ; HSA-ALLOCA: workitem_private_segment_byte_size = 24
     43 ; HSA-ALLOCA: .end_amd_kernel_code_t
     44 
     45 ; HSA-ALLOCA: s_mov_b32 flat_scratch_lo, s7
     46 ; HSA-ALLOCA: s_add_u32 s6, s6, s9
     47 ; HSA-ALLOCA: s_lshr_b32 flat_scratch_hi, s6, 8
     48 
     49 ; SI-ALLOCA: buffer_store_dword v{{[0-9]+}}, v{{[0-9]+}}, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+}} offen ; encoding: [0x00,0x10,0x70,0xe0
     50 ; SI-ALLOCA: buffer_store_dword v{{[0-9]+}}, v{{[0-9]+}}, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+}} offen ; encoding: [0x00,0x10,0x70,0xe0
     51 
     52 
     53 ; HSAOPT: [[DISPATCH_PTR:%[0-9]+]] = call noalias nonnull dereferenceable(64) i8 addrspace(2)* @llvm.amdgcn.dispatch.ptr()
     54 ; HSAOPT: [[CAST_DISPATCH_PTR:%[0-9]+]] = bitcast i8 addrspace(2)* [[DISPATCH_PTR]] to i32 addrspace(2)*
     55 ; HSAOPT: [[GEP0:%[0-9]+]] = getelementptr inbounds i32, i32 addrspace(2)* [[CAST_DISPATCH_PTR]], i64 1
     56 ; HSAOPT: [[LDXY:%[0-9]+]] = load i32, i32 addrspace(2)* [[GEP0]], align 4, !invariant.load !0
     57 ; HSAOPT: [[GEP1:%[0-9]+]] = getelementptr inbounds i32, i32 addrspace(2)* [[CAST_DISPATCH_PTR]], i64 2
     58 ; HSAOPT: [[LDZU:%[0-9]+]] = load i32, i32 addrspace(2)* [[GEP1]], align 4, !range !1, !invariant.load !0
     59 ; HSAOPT: [[EXTRACTY:%[0-9]+]] = lshr i32 [[LDXY]], 16
     60 
     61 ; HSAOPT: [[WORKITEM_ID_X:%[0-9]+]] = call i32 @llvm.amdgcn.workitem.id.x(), !range !1
     62 ; HSAOPT: [[WORKITEM_ID_Y:%[0-9]+]] = call i32 @llvm.amdgcn.workitem.id.y(), !range !1
     63 ; HSAOPT: [[WORKITEM_ID_Z:%[0-9]+]] = call i32 @llvm.amdgcn.workitem.id.z(), !range !1
     64 
     65 ; HSAOPT: [[Y_SIZE_X_Z_SIZE:%[0-9]+]] = mul nuw nsw i32 [[EXTRACTY]], [[LDZU]]
     66 ; HSAOPT: [[YZ_X_XID:%[0-9]+]] = mul i32 [[Y_SIZE_X_Z_SIZE]], [[WORKITEM_ID_X]]
     67 ; HSAOPT: [[Y_X_Z_SIZE:%[0-9]+]] = mul nuw nsw i32 [[WORKITEM_ID_Y]], [[LDZU]]
     68 ; HSAOPT: [[ADD_YZ_X_X_YZ_SIZE:%[0-9]+]] = add i32 [[YZ_X_XID]], [[Y_X_Z_SIZE]]
     69 ; HSAOPT: [[ADD_ZID:%[0-9]+]] = add i32 [[ADD_YZ_X_X_YZ_SIZE]], [[WORKITEM_ID_Z]]
     70 
     71 ; HSAOPT: [[LOCAL_GEP:%[0-9]+]] = getelementptr inbounds [256 x [5 x i32]], [256 x [5 x i32]] addrspace(3)* @mova_same_clause.stack, i32 0, i32 [[ADD_ZID]]
     72 ; HSAOPT: %arrayidx1 = getelementptr inbounds [5 x i32], [5 x i32] addrspace(3)* [[LOCAL_GEP]], i32 0, i32 {{%[0-9]+}}
     73 ; HSAOPT: %arrayidx3 = getelementptr inbounds [5 x i32], [5 x i32] addrspace(3)* [[LOCAL_GEP]], i32 0, i32 {{%[0-9]+}}
     74 ; HSAOPT: %arrayidx10 = getelementptr inbounds [5 x i32], [5 x i32] addrspace(3)* [[LOCAL_GEP]], i32 0, i32 0
     75 ; HSAOPT: %arrayidx12 = getelementptr inbounds [5 x i32], [5 x i32] addrspace(3)* [[LOCAL_GEP]], i32 0, i32 1
     76 
     77 
     78 ; NOHSAOPT: call i32 @llvm.r600.read.local.size.y(), !range !0
     79 ; NOHSAOPT: call i32 @llvm.r600.read.local.size.z(), !range !0
     80 ; NOHSAOPT: call i32 @llvm.amdgcn.workitem.id.x(), !range !0
     81 ; NOHSAOPT: call i32 @llvm.amdgcn.workitem.id.y(), !range !0
     82 ; NOHSAOPT: call i32 @llvm.amdgcn.workitem.id.z(), !range !0
     83 define void @mova_same_clause(i32 addrspace(1)* nocapture %out, i32 addrspace(1)* nocapture %in) #0 {
     84 entry:
     85   %stack = alloca [5 x i32], align 4
     86   %0 = load i32, i32 addrspace(1)* %in, align 4
     87   %arrayidx1 = getelementptr inbounds [5 x i32], [5 x i32]* %stack, i32 0, i32 %0
     88   store i32 4, i32* %arrayidx1, align 4
     89   %arrayidx2 = getelementptr inbounds i32, i32 addrspace(1)* %in, i32 1
     90   %1 = load i32, i32 addrspace(1)* %arrayidx2, align 4
     91   %arrayidx3 = getelementptr inbounds [5 x i32], [5 x i32]* %stack, i32 0, i32 %1
     92   store i32 5, i32* %arrayidx3, align 4
     93   %arrayidx10 = getelementptr inbounds [5 x i32], [5 x i32]* %stack, i32 0, i32 0
     94   %2 = load i32, i32* %arrayidx10, align 4
     95   store i32 %2, i32 addrspace(1)* %out, align 4
     96   %arrayidx12 = getelementptr inbounds [5 x i32], [5 x i32]* %stack, i32 0, i32 1
     97   %3 = load i32, i32* %arrayidx12
     98   %arrayidx13 = getelementptr inbounds i32, i32 addrspace(1)* %out, i32 1
     99   store i32 %3, i32 addrspace(1)* %arrayidx13
    100   ret void
    101 }
    102 
    103 ; OPT-LABEL: @high_alignment(
    104 ; OPT: getelementptr inbounds [256 x [8 x i32]], [256 x [8 x i32]] addrspace(3)* @high_alignment.stack, i32 0, i32 %{{[0-9]+}}
    105 define void @high_alignment(i32 addrspace(1)* nocapture %out, i32 addrspace(1)* nocapture %in) #0 {
    106 entry:
    107   %stack = alloca [8 x i32], align 16
    108   %0 = load i32, i32 addrspace(1)* %in, align 4
    109   %arrayidx1 = getelementptr inbounds [8 x i32], [8 x i32]* %stack, i32 0, i32 %0
    110   store i32 4, i32* %arrayidx1, align 4
    111   %arrayidx2 = getelementptr inbounds i32, i32 addrspace(1)* %in, i32 1
    112   %1 = load i32, i32 addrspace(1)* %arrayidx2, align 4
    113   %arrayidx3 = getelementptr inbounds [8 x i32], [8 x i32]* %stack, i32 0, i32 %1
    114   store i32 5, i32* %arrayidx3, align 4
    115   %arrayidx10 = getelementptr inbounds [8 x i32], [8 x i32]* %stack, i32 0, i32 0
    116   %2 = load i32, i32* %arrayidx10, align 4
    117   store i32 %2, i32 addrspace(1)* %out, align 4
    118   %arrayidx12 = getelementptr inbounds [8 x i32], [8 x i32]* %stack, i32 0, i32 1
    119   %3 = load i32, i32* %arrayidx12
    120   %arrayidx13 = getelementptr inbounds i32, i32 addrspace(1)* %out, i32 1
    121   store i32 %3, i32 addrspace(1)* %arrayidx13
    122   ret void
    123 }
    124 
    125 ; FUNC-LABEL: {{^}}no_replace_inbounds_gep:
    126 ; OPT-LABEL: @no_replace_inbounds_gep(
    127 ; OPT: alloca [5 x i32]
    128 
    129 ; SI-NOT: ds_write
    130 define void @no_replace_inbounds_gep(i32 addrspace(1)* nocapture %out, i32 addrspace(1)* nocapture %in) #0 {
    131 entry:
    132   %stack = alloca [5 x i32], align 4
    133   %0 = load i32, i32 addrspace(1)* %in, align 4
    134   %arrayidx1 = getelementptr [5 x i32], [5 x i32]* %stack, i32 0, i32 %0
    135   store i32 4, i32* %arrayidx1, align 4
    136   %arrayidx2 = getelementptr inbounds i32, i32 addrspace(1)* %in, i32 1
    137   %1 = load i32, i32 addrspace(1)* %arrayidx2, align 4
    138   %arrayidx3 = getelementptr inbounds [5 x i32], [5 x i32]* %stack, i32 0, i32 %1
    139   store i32 5, i32* %arrayidx3, align 4
    140   %arrayidx10 = getelementptr inbounds [5 x i32], [5 x i32]* %stack, i32 0, i32 0
    141   %2 = load i32, i32* %arrayidx10, align 4
    142   store i32 %2, i32 addrspace(1)* %out, align 4
    143   %arrayidx12 = getelementptr inbounds [5 x i32], [5 x i32]* %stack, i32 0, i32 1
    144   %3 = load i32, i32* %arrayidx12
    145   %arrayidx13 = getelementptr inbounds i32, i32 addrspace(1)* %out, i32 1
    146   store i32 %3, i32 addrspace(1)* %arrayidx13
    147   ret void
    148 }
    149 
    150 ; This test checks that the stack offset is calculated correctly for structs.
    151 ; All register loads/stores should be optimized away, so there shouldn't be
    152 ; any MOVA instructions.
    153 ;
    154 ; XXX: This generated code has unnecessary MOVs, we should be able to optimize
    155 ; this.
    156 
    157 ; FUNC-LABEL: {{^}}multiple_structs:
    158 ; OPT-LABEL: @multiple_structs(
    159 
    160 ; R600-NOT: MOVA_INT
    161 ; SI-NOT: v_movrel
    162 ; SI-NOT: v_movrel
    163 %struct.point = type { i32, i32 }
    164 
    165 define void @multiple_structs(i32 addrspace(1)* %out) #0 {
    166 entry:
    167   %a = alloca %struct.point
    168   %b = alloca %struct.point
    169   %a.x.ptr = getelementptr %struct.point, %struct.point* %a, i32 0, i32 0
    170   %a.y.ptr = getelementptr %struct.point, %struct.point* %a, i32 0, i32 1
    171   %b.x.ptr = getelementptr %struct.point, %struct.point* %b, i32 0, i32 0
    172   %b.y.ptr = getelementptr %struct.point, %struct.point* %b, i32 0, i32 1
    173   store i32 0, i32* %a.x.ptr
    174   store i32 1, i32* %a.y.ptr
    175   store i32 2, i32* %b.x.ptr
    176   store i32 3, i32* %b.y.ptr
    177   %a.indirect.ptr = getelementptr %struct.point, %struct.point* %a, i32 0, i32 0
    178   %b.indirect.ptr = getelementptr %struct.point, %struct.point* %b, i32 0, i32 0
    179   %a.indirect = load i32, i32* %a.indirect.ptr
    180   %b.indirect = load i32, i32* %b.indirect.ptr
    181   %0 = add i32 %a.indirect, %b.indirect
    182   store i32 %0, i32 addrspace(1)* %out
    183   ret void
    184 }
    185 
    186 ; Test direct access of a private array inside a loop.  The private array
    187 ; loads and stores should be lowered to copies, so there shouldn't be any
    188 ; MOVA instructions.
    189 
    190 ; FUNC-LABEL: {{^}}direct_loop:
    191 ; R600-NOT: MOVA_INT
    192 ; SI-NOT: v_movrel
    193 
    194 define void @direct_loop(i32 addrspace(1)* %out, i32 addrspace(1)* %in) #0 {
    195 entry:
    196   %prv_array_const = alloca [2 x i32]
    197   %prv_array = alloca [2 x i32]
    198   %a = load i32, i32 addrspace(1)* %in
    199   %b_src_ptr = getelementptr inbounds i32, i32 addrspace(1)* %in, i32 1
    200   %b = load i32, i32 addrspace(1)* %b_src_ptr
    201   %a_dst_ptr = getelementptr inbounds [2 x i32], [2 x i32]* %prv_array_const, i32 0, i32 0
    202   store i32 %a, i32* %a_dst_ptr
    203   %b_dst_ptr = getelementptr inbounds [2 x i32], [2 x i32]* %prv_array_const, i32 0, i32 1
    204   store i32 %b, i32* %b_dst_ptr
    205   br label %for.body
    206 
    207 for.body:
    208   %inc = phi i32 [0, %entry], [%count, %for.body]
    209   %x_ptr = getelementptr inbounds [2 x i32], [2 x i32]* %prv_array_const, i32 0, i32 0
    210   %x = load i32, i32* %x_ptr
    211   %y_ptr = getelementptr inbounds [2 x i32], [2 x i32]* %prv_array, i32 0, i32 0
    212   %y = load i32, i32* %y_ptr
    213   %xy = add i32 %x, %y
    214   store i32 %xy, i32* %y_ptr
    215   %count = add i32 %inc, 1
    216   %done = icmp eq i32 %count, 4095
    217   br i1 %done, label %for.end, label %for.body
    218 
    219 for.end:
    220   %value_ptr = getelementptr inbounds [2 x i32], [2 x i32]* %prv_array, i32 0, i32 0
    221   %value = load i32, i32* %value_ptr
    222   store i32 %value, i32 addrspace(1)* %out
    223   ret void
    224 }
    225 
    226 ; FUNC-LABEL: {{^}}short_array:
    227 
    228 ; R600: MOVA_INT
    229 
    230 ; SI-PROMOTE-DAG: buffer_store_short v{{[0-9]+}}, v{{[0-9]+}}, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+}} offen ; encoding: [0x00,0x10,0x68,0xe0
    231 ; SI-PROMOTE-DAG: buffer_store_short v{{[0-9]+}}, v{{[0-9]+}}, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+}} offen offset:2 ; encoding: [0x02,0x10,0x68,0xe0
    232 ; SI-PROMOTE: buffer_load_sshort v{{[0-9]+}}, v{{[0-9]+}}, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+}}
    233 define void @short_array(i32 addrspace(1)* %out, i32 %index) #0 {
    234 entry:
    235   %0 = alloca [2 x i16]
    236   %1 = getelementptr inbounds [2 x i16], [2 x i16]* %0, i32 0, i32 0
    237   %2 = getelementptr inbounds [2 x i16], [2 x i16]* %0, i32 0, i32 1
    238   store i16 0, i16* %1
    239   store i16 1, i16* %2
    240   %3 = getelementptr inbounds [2 x i16], [2 x i16]* %0, i32 0, i32 %index
    241   %4 = load i16, i16* %3
    242   %5 = sext i16 %4 to i32
    243   store i32 %5, i32 addrspace(1)* %out
    244   ret void
    245 }
    246 
    247 ; FUNC-LABEL: {{^}}char_array:
    248 
    249 ; R600: MOVA_INT
    250 
    251 ; SI-DAG: buffer_store_byte v{{[0-9]+}}, v{{[0-9]+}}, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+}} offen ; encoding: [0x00,0x10,0x60,0xe0
    252 ; SI-DAG: buffer_store_byte v{{[0-9]+}}, v{{[0-9]+}}, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+}} offen offset:1 ; encoding: [0x01,0x10,0x60,0xe0
    253 define void @char_array(i32 addrspace(1)* %out, i32 %index) #0 {
    254 entry:
    255   %0 = alloca [2 x i8]
    256   %1 = getelementptr inbounds [2 x i8], [2 x i8]* %0, i32 0, i32 0
    257   %2 = getelementptr inbounds [2 x i8], [2 x i8]* %0, i32 0, i32 1
    258   store i8 0, i8* %1
    259   store i8 1, i8* %2
    260   %3 = getelementptr inbounds [2 x i8], [2 x i8]* %0, i32 0, i32 %index
    261   %4 = load i8, i8* %3
    262   %5 = sext i8 %4 to i32
    263   store i32 %5, i32 addrspace(1)* %out
    264   ret void
    265 
    266 }
    267 
    268 ; Test that two stack objects are not stored in the same register
    269 ; The second stack object should be in T3.X
    270 ; FUNC-LABEL: {{^}}no_overlap:
    271 ; R600_CHECK: MOV
    272 ; R600_CHECK: [[CHAN:[XYZW]]]+
    273 ; R600-NOT: [[CHAN]]+
    274 ; SI: v_mov_b32_e32 v3
    275 define void @no_overlap(i32 addrspace(1)* %out, i32 %in) #0 {
    276 entry:
    277   %0 = alloca [3 x i8], align 1
    278   %1 = alloca [2 x i8], align 1
    279   %2 = getelementptr [3 x i8], [3 x i8]* %0, i32 0, i32 0
    280   %3 = getelementptr [3 x i8], [3 x i8]* %0, i32 0, i32 1
    281   %4 = getelementptr [3 x i8], [3 x i8]* %0, i32 0, i32 2
    282   %5 = getelementptr [2 x i8], [2 x i8]* %1, i32 0, i32 0
    283   %6 = getelementptr [2 x i8], [2 x i8]* %1, i32 0, i32 1
    284   store i8 0, i8* %2
    285   store i8 1, i8* %3
    286   store i8 2, i8* %4
    287   store i8 1, i8* %5
    288   store i8 0, i8* %6
    289   %7 = getelementptr [3 x i8], [3 x i8]* %0, i32 0, i32 %in
    290   %8 = getelementptr [2 x i8], [2 x i8]* %1, i32 0, i32 %in
    291   %9 = load i8, i8* %7
    292   %10 = load i8, i8* %8
    293   %11 = add i8 %9, %10
    294   %12 = sext i8 %11 to i32
    295   store i32 %12, i32 addrspace(1)* %out
    296   ret void
    297 }
    298 
    299 define void @char_array_array(i32 addrspace(1)* %out, i32 %index) #0 {
    300 entry:
    301   %alloca = alloca [2 x [2 x i8]]
    302   %gep0 = getelementptr [2 x [2 x i8]], [2 x [2 x i8]]* %alloca, i32 0, i32 0, i32 0
    303   %gep1 = getelementptr [2 x [2 x i8]], [2 x [2 x i8]]* %alloca, i32 0, i32 0, i32 1
    304   store i8 0, i8* %gep0
    305   store i8 1, i8* %gep1
    306   %gep2 = getelementptr [2 x [2 x i8]], [2 x [2 x i8]]* %alloca, i32 0, i32 0, i32 %index
    307   %load = load i8, i8* %gep2
    308   %sext = sext i8 %load to i32
    309   store i32 %sext, i32 addrspace(1)* %out
    310   ret void
    311 }
    312 
    313 define void @i32_array_array(i32 addrspace(1)* %out, i32 %index) #0 {
    314 entry:
    315   %alloca = alloca [2 x [2 x i32]]
    316   %gep0 = getelementptr [2 x [2 x i32]], [2 x [2 x i32]]* %alloca, i32 0, i32 0, i32 0
    317   %gep1 = getelementptr [2 x [2 x i32]], [2 x [2 x i32]]* %alloca, i32 0, i32 0, i32 1
    318   store i32 0, i32* %gep0
    319   store i32 1, i32* %gep1
    320   %gep2 = getelementptr [2 x [2 x i32]], [2 x [2 x i32]]* %alloca, i32 0, i32 0, i32 %index
    321   %load = load i32, i32* %gep2
    322   store i32 %load, i32 addrspace(1)* %out
    323   ret void
    324 }
    325 
    326 define void @i64_array_array(i64 addrspace(1)* %out, i32 %index) #0 {
    327 entry:
    328   %alloca = alloca [2 x [2 x i64]]
    329   %gep0 = getelementptr [2 x [2 x i64]], [2 x [2 x i64]]* %alloca, i32 0, i32 0, i32 0
    330   %gep1 = getelementptr [2 x [2 x i64]], [2 x [2 x i64]]* %alloca, i32 0, i32 0, i32 1
    331   store i64 0, i64* %gep0
    332   store i64 1, i64* %gep1
    333   %gep2 = getelementptr [2 x [2 x i64]], [2 x [2 x i64]]* %alloca, i32 0, i32 0, i32 %index
    334   %load = load i64, i64* %gep2
    335   store i64 %load, i64 addrspace(1)* %out
    336   ret void
    337 }
    338 
    339 %struct.pair32 = type { i32, i32 }
    340 
    341 define void @struct_array_array(i32 addrspace(1)* %out, i32 %index) #0 {
    342 entry:
    343   %alloca = alloca [2 x [2 x %struct.pair32]]
    344   %gep0 = getelementptr [2 x [2 x %struct.pair32]], [2 x [2 x %struct.pair32]]* %alloca, i32 0, i32 0, i32 0, i32 1
    345   %gep1 = getelementptr [2 x [2 x %struct.pair32]], [2 x [2 x %struct.pair32]]* %alloca, i32 0, i32 0, i32 1, i32 1
    346   store i32 0, i32* %gep0
    347   store i32 1, i32* %gep1
    348   %gep2 = getelementptr [2 x [2 x %struct.pair32]], [2 x [2 x %struct.pair32]]* %alloca, i32 0, i32 0, i32 %index, i32 0
    349   %load = load i32, i32* %gep2
    350   store i32 %load, i32 addrspace(1)* %out
    351   ret void
    352 }
    353 
    354 define void @struct_pair32_array(i32 addrspace(1)* %out, i32 %index) #0 {
    355 entry:
    356   %alloca = alloca [2 x %struct.pair32]
    357   %gep0 = getelementptr [2 x %struct.pair32], [2 x %struct.pair32]* %alloca, i32 0, i32 0, i32 1
    358   %gep1 = getelementptr [2 x %struct.pair32], [2 x %struct.pair32]* %alloca, i32 0, i32 1, i32 0
    359   store i32 0, i32* %gep0
    360   store i32 1, i32* %gep1
    361   %gep2 = getelementptr [2 x %struct.pair32], [2 x %struct.pair32]* %alloca, i32 0, i32 %index, i32 0
    362   %load = load i32, i32* %gep2
    363   store i32 %load, i32 addrspace(1)* %out
    364   ret void
    365 }
    366 
    367 define void @select_private(i32 addrspace(1)* %out, i32 %in) nounwind {
    368 entry:
    369   %tmp = alloca [2 x i32]
    370   %tmp1 = getelementptr [2 x i32], [2 x i32]* %tmp, i32 0, i32 0
    371   %tmp2 = getelementptr [2 x i32], [2 x i32]* %tmp, i32 0, i32 1
    372   store i32 0, i32* %tmp1
    373   store i32 1, i32* %tmp2
    374   %cmp = icmp eq i32 %in, 0
    375   %sel = select i1 %cmp, i32* %tmp1, i32* %tmp2
    376   %load = load i32, i32* %sel
    377   store i32 %load, i32 addrspace(1)* %out
    378   ret void
    379 }
    380 
    381 ; AMDGPUPromoteAlloca does not know how to handle ptrtoint.  When it
    382 ; finds one, it should stop trying to promote.
    383 
    384 ; FUNC-LABEL: ptrtoint:
    385 ; SI-NOT: ds_write
    386 ; SI: buffer_store_dword v{{[0-9]+}}, v{{[0-9]+}}, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+}} offen
    387 ; SI: buffer_load_dword v{{[0-9]+}}, v{{[0-9]+}}, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+}} offen offset:5 ;
    388 define void @ptrtoint(i32 addrspace(1)* %out, i32 %a, i32 %b) #0 {
    389   %alloca = alloca [16 x i32]
    390   %tmp0 = getelementptr [16 x i32], [16 x i32]* %alloca, i32 0, i32 %a
    391   store i32 5, i32* %tmp0
    392   %tmp1 = ptrtoint [16 x i32]* %alloca to i32
    393   %tmp2 = add i32 %tmp1, 5
    394   %tmp3 = inttoptr i32 %tmp2 to i32*
    395   %tmp4 = getelementptr i32, i32* %tmp3, i32 %b
    396   %tmp5 = load i32, i32* %tmp4
    397   store i32 %tmp5, i32 addrspace(1)* %out
    398   ret void
    399 }
    400 
    401 ; OPT-LABEL: @pointer_typed_alloca(
    402 ; OPT:  getelementptr inbounds [256 x i32 addrspace(1)*], [256 x i32 addrspace(1)*] addrspace(3)* @pointer_typed_alloca.A.addr, i32 0, i32 %{{[0-9]+}}
    403 ; OPT: load i32 addrspace(1)*, i32 addrspace(1)* addrspace(3)* %{{[0-9]+}}, align 4
    404 define void @pointer_typed_alloca(i32 addrspace(1)* %A) {
    405 entry:
    406   %A.addr = alloca i32 addrspace(1)*, align 4
    407   store i32 addrspace(1)* %A, i32 addrspace(1)** %A.addr, align 4
    408   %ld0 = load i32 addrspace(1)*, i32 addrspace(1)** %A.addr, align 4
    409   %arrayidx = getelementptr inbounds i32, i32 addrspace(1)* %ld0, i32 0
    410   store i32 1, i32 addrspace(1)* %arrayidx, align 4
    411   %ld1 = load i32 addrspace(1)*, i32 addrspace(1)** %A.addr, align 4
    412   %arrayidx1 = getelementptr inbounds i32, i32 addrspace(1)* %ld1, i32 1
    413   store i32 2, i32 addrspace(1)* %arrayidx1, align 4
    414   %ld2 = load i32 addrspace(1)*, i32 addrspace(1)** %A.addr, align 4
    415   %arrayidx2 = getelementptr inbounds i32, i32 addrspace(1)* %ld2, i32 2
    416   store i32 3, i32 addrspace(1)* %arrayidx2, align 4
    417   ret void
    418 }
    419 
    420 ; HSAOPT: !0 = !{}
    421 ; HSAOPT: !1 = !{i32 0, i32 2048}
    422 
    423 ; NOHSAOPT: !0 = !{i32 0, i32 2048}
    424 
    425 
    426 ; FUNC-LABEL: v16i32_stack:
    427 
    428 ; R600: MOVA_INT
    429 ; R600: MOVA_INT
    430 ; R600: MOVA_INT
    431 ; R600: MOVA_INT
    432 ; R600: MOVA_INT
    433 ; R600: MOVA_INT
    434 ; R600: MOVA_INT
    435 ; R600: MOVA_INT
    436 ; R600: MOVA_INT
    437 ; R600: MOVA_INT
    438 ; R600: MOVA_INT
    439 ; R600: MOVA_INT
    440 ; R600: MOVA_INT
    441 ; R600: MOVA_INT
    442 ; R600: MOVA_INT
    443 ; R600: MOVA_INT
    444 
    445 ; SI: buffer_load_dword
    446 ; SI: buffer_load_dword
    447 ; SI: buffer_load_dword
    448 ; SI: buffer_load_dword
    449 ; SI: buffer_load_dword
    450 ; SI: buffer_load_dword
    451 ; SI: buffer_load_dword
    452 ; SI: buffer_load_dword
    453 ; SI: buffer_load_dword
    454 ; SI: buffer_load_dword
    455 ; SI: buffer_load_dword
    456 ; SI: buffer_load_dword
    457 ; SI: buffer_load_dword
    458 ; SI: buffer_load_dword
    459 ; SI: buffer_load_dword
    460 ; SI: buffer_load_dword
    461 
    462 define void @v16i32_stack(<16 x i32> addrspace(1)* %out, i32 %a) {
    463   %alloca = alloca [2 x <16 x i32>]
    464   %tmp0 = getelementptr [2 x <16 x i32>], [2 x <16 x i32>]* %alloca, i32 0, i32 %a
    465   %tmp5 = load <16 x i32>, <16 x i32>* %tmp0
    466   store <16 x i32> %tmp5, <16 x i32> addrspace(1)* %out
    467   ret void
    468 }
    469 
    470 ; FUNC-LABEL: v16float_stack:
    471 
    472 ; R600: MOVA_INT
    473 ; R600: MOVA_INT
    474 ; R600: MOVA_INT
    475 ; R600: MOVA_INT
    476 ; R600: MOVA_INT
    477 ; R600: MOVA_INT
    478 ; R600: MOVA_INT
    479 ; R600: MOVA_INT
    480 ; R600: MOVA_INT
    481 ; R600: MOVA_INT
    482 ; R600: MOVA_INT
    483 ; R600: MOVA_INT
    484 ; R600: MOVA_INT
    485 ; R600: MOVA_INT
    486 ; R600: MOVA_INT
    487 ; R600: MOVA_INT
    488 
    489 ; SI: buffer_load_dword
    490 ; SI: buffer_load_dword
    491 ; SI: buffer_load_dword
    492 ; SI: buffer_load_dword
    493 ; SI: buffer_load_dword
    494 ; SI: buffer_load_dword
    495 ; SI: buffer_load_dword
    496 ; SI: buffer_load_dword
    497 ; SI: buffer_load_dword
    498 ; SI: buffer_load_dword
    499 ; SI: buffer_load_dword
    500 ; SI: buffer_load_dword
    501 ; SI: buffer_load_dword
    502 ; SI: buffer_load_dword
    503 ; SI: buffer_load_dword
    504 ; SI: buffer_load_dword
    505 
    506 define void @v16float_stack(<16 x float> addrspace(1)* %out, i32 %a) {
    507   %alloca = alloca [2 x <16 x float>]
    508   %tmp0 = getelementptr [2 x <16 x float>], [2 x <16 x float>]* %alloca, i32 0, i32 %a
    509   %tmp5 = load <16 x float>, <16 x float>* %tmp0
    510   store <16 x float> %tmp5, <16 x float> addrspace(1)* %out
    511   ret void
    512 }
    513 
    514 ; FUNC-LABEL: v2float_stack:
    515 
    516 ; R600: MOVA_INT
    517 ; R600: MOVA_INT
    518 
    519 ; SI: buffer_load_dword
    520 ; SI: buffer_load_dword
    521 
    522 define void @v2float_stack(<2 x float> addrspace(1)* %out, i32 %a) {
    523   %alloca = alloca [16 x <2 x float>]
    524   %tmp0 = getelementptr [16 x <2 x float>], [16 x <2 x float>]* %alloca, i32 0, i32 %a
    525   %tmp5 = load <2 x float>, <2 x float>* %tmp0
    526   store <2 x float> %tmp5, <2 x float> addrspace(1)* %out
    527   ret void
    528 }
    529 
    530 attributes #0 = { nounwind "amdgpu-max-waves-per-eu"="2" }
    531