Home | History | Annotate | Download | only in X86
      1 ; RUN: llc < %s -mattr=+sse2      -mtriple=i686-apple-darwin -mcpu=core2 | FileCheck %s -check-prefix=SSE2-Darwin
      2 ; RUN: llc < %s -mattr=+sse2      -mtriple=i686-pc-mingw32 -mcpu=core2 | FileCheck %s -check-prefix=SSE2-Mingw32
      3 ; RUN: llc < %s -mattr=+sse,-sse2 -mtriple=i686-apple-darwin -mcpu=core2 | FileCheck %s -check-prefix=SSE1
      4 ; RUN: llc < %s -mattr=-sse       -mtriple=i686-apple-darwin -mcpu=core2 | FileCheck %s -check-prefix=NOSSE
      5 ; RUN: llc < %s                 -mtriple=x86_64-apple-darwin -mcpu=core2 | FileCheck %s -check-prefix=X86-64
      6 ; RUN: llc < %s                 -mtriple=x86_64-apple-darwin -mcpu=nehalem | FileCheck %s -check-prefix=NHM_64
      7 
      8 
      9 @.str = internal constant [25 x i8] c"image\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00"
     10 @.str2 = internal constant [30 x i8] c"xxxxxxxxxxxxxxxxxxxxxxxxxxxxx\00", align 4
     11 
     12 define void @t1(i32 %argc, i8** %argv) nounwind  {
     13 entry:
     14 ; SSE2-Darwin-LABEL: t1:
     15 ; SSE2-Darwin: movsd _.str+16, %xmm0
     16 ; SSE2-Darwin: movsd %xmm0, 16(%esp)
     17 ; SSE2-Darwin: movaps _.str, %xmm0
     18 ; SSE2-Darwin: movaps %xmm0
     19 ; SSE2-Darwin: movb $0, 24(%esp)
     20 
     21 ; SSE2-Mingw32-LABEL: t1:
     22 ; SSE2-Mingw32: movsd _.str+16, %xmm0
     23 ; SSE2-Mingw32: movsd %xmm0, 16(%esp)
     24 ; SSE2-Mingw32: movaps _.str, %xmm0
     25 ; SSE2-Mingw32: movups %xmm0
     26 ; SSE2-Mingw32: movb $0, 24(%esp)
     27 
     28 ; SSE1-LABEL: t1:
     29 ; SSE1: movaps _.str, %xmm0
     30 ; SSE1: movaps %xmm0
     31 ; SSE1: movb $0, 24(%esp)
     32 ; SSE1: movl $0, 20(%esp)
     33 ; SSE1: movl $0, 16(%esp)
     34 
     35 ; NOSSE-LABEL: t1:
     36 ; NOSSE: movb $0
     37 ; NOSSE: movl $0
     38 ; NOSSE: movl $0
     39 ; NOSSE: movl $0
     40 ; NOSSE: movl $0
     41 ; NOSSE: movl $101
     42 ; NOSSE: movl $1734438249
     43 
     44 ; X86-64-LABEL: t1:
     45 ; X86-64: movaps _.str(%rip), %xmm0
     46 ; X86-64: movaps %xmm0
     47 ; X86-64: movb $0
     48 ; X86-64: movq $0
     49   %tmp1 = alloca [25 x i8]
     50   %tmp2 = bitcast [25 x i8]* %tmp1 to i8*
     51   call void @llvm.memcpy.p0i8.p0i8.i32(i8* %tmp2, i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str, i32 0, i32 0), i32 25, i32 1, i1 false)
     52   unreachable
     53 }
     54 
     55 ;rdar://7774704
     56 %struct.s0 = type { [2 x double] }
     57 
     58 define void @t2(%struct.s0* nocapture %a, %struct.s0* nocapture %b) nounwind ssp {
     59 entry:
     60 ; SSE2-Darwin-LABEL: t2:
     61 ; SSE2-Darwin: movaps (%ecx), %xmm0
     62 ; SSE2-Darwin: movaps %xmm0, (%eax)
     63 
     64 ; SSE2-Mingw32-LABEL: t2:
     65 ; SSE2-Mingw32: movaps (%ecx), %xmm0
     66 ; SSE2-Mingw32: movaps %xmm0, (%eax)
     67 
     68 ; SSE1-LABEL: t2:
     69 ; SSE1: movaps (%ecx), %xmm0
     70 ; SSE1: movaps %xmm0, (%eax)
     71 
     72 ; NOSSE-LABEL: t2:
     73 ; NOSSE: movl
     74 ; NOSSE: movl
     75 ; NOSSE: movl
     76 ; NOSSE: movl
     77 ; NOSSE: movl
     78 ; NOSSE: movl
     79 ; NOSSE: movl
     80 ; NOSSE: movl
     81 ; NOSSE: movl
     82 ; NOSSE: movl
     83 
     84 ; X86-64-LABEL: t2:
     85 ; X86-64: movaps (%rsi), %xmm0
     86 ; X86-64: movaps %xmm0, (%rdi)
     87   %tmp2 = bitcast %struct.s0* %a to i8*           ; <i8*> [#uses=1]
     88   %tmp3 = bitcast %struct.s0* %b to i8*           ; <i8*> [#uses=1]
     89   tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* %tmp2, i8* %tmp3, i32 16, i32 16, i1 false)
     90   ret void
     91 }
     92 
     93 define void @t3(%struct.s0* nocapture %a, %struct.s0* nocapture %b) nounwind ssp {
     94 entry:
     95 ; SSE2-Darwin-LABEL: t3:
     96 ; SSE2-Darwin: movsd (%ecx), %xmm0
     97 ; SSE2-Darwin: movsd 8(%ecx), %xmm1
     98 ; SSE2-Darwin: movsd %xmm1, 8(%eax)
     99 ; SSE2-Darwin: movsd %xmm0, (%eax)
    100 
    101 ; SSE2-Mingw32-LABEL: t3:
    102 ; SSE2-Mingw32: movsd (%ecx), %xmm0
    103 ; SSE2-Mingw32: movsd 8(%ecx), %xmm1
    104 ; SSE2-Mingw32: movsd %xmm1, 8(%eax)
    105 ; SSE2-Mingw32: movsd %xmm0, (%eax)
    106 
    107 ; SSE1-LABEL: t3:
    108 ; SSE1: movl
    109 ; SSE1: movl
    110 ; SSE1: movl
    111 ; SSE1: movl
    112 ; SSE1: movl
    113 ; SSE1: movl
    114 ; SSE1: movl
    115 ; SSE1: movl
    116 ; SSE1: movl
    117 ; SSE1: movl
    118 
    119 ; NOSSE-LABEL: t3:
    120 ; NOSSE: movl
    121 ; NOSSE: movl
    122 ; NOSSE: movl
    123 ; NOSSE: movl
    124 ; NOSSE: movl
    125 ; NOSSE: movl
    126 ; NOSSE: movl
    127 ; NOSSE: movl
    128 ; NOSSE: movl
    129 ; NOSSE: movl
    130 
    131 ; X86-64-LABEL: t3:
    132 ; X86-64: movq (%rsi), %rax
    133 ; X86-64: movq 8(%rsi), %rcx
    134 ; X86-64: movq %rcx, 8(%rdi)
    135 ; X86-64: movq %rax, (%rdi)
    136   %tmp2 = bitcast %struct.s0* %a to i8*           ; <i8*> [#uses=1]
    137   %tmp3 = bitcast %struct.s0* %b to i8*           ; <i8*> [#uses=1]
    138   tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* %tmp2, i8* %tmp3, i32 16, i32 8, i1 false)
    139   ret void
    140 }
    141 
    142 define void @t4() nounwind {
    143 entry:
    144 ; SSE2-Darwin-LABEL: t4:
    145 ; SSE2-Darwin: movw $120
    146 ; SSE2-Darwin: movl $2021161080
    147 ; SSE2-Darwin: movl $2021161080
    148 ; SSE2-Darwin: movl $2021161080
    149 ; SSE2-Darwin: movl $2021161080
    150 ; SSE2-Darwin: movl $2021161080
    151 ; SSE2-Darwin: movl $2021161080
    152 ; SSE2-Darwin: movl $2021161080
    153 
    154 ; SSE2-Mingw32-LABEL: t4:
    155 ; SSE2-Mingw32: movw $120
    156 ; SSE2-Mingw32: movl $2021161080
    157 ; SSE2-Mingw32: movl $2021161080
    158 ; SSE2-Mingw32: movl $2021161080
    159 ; SSE2-Mingw32: movl $2021161080
    160 ; SSE2-Mingw32: movl $2021161080
    161 ; SSE2-Mingw32: movl $2021161080
    162 ; SSE2-Mingw32: movl $2021161080
    163 
    164 ; SSE1-LABEL: t4:
    165 ; SSE1: movw $120
    166 ; SSE1: movl $2021161080
    167 ; SSE1: movl $2021161080
    168 ; SSE1: movl $2021161080
    169 ; SSE1: movl $2021161080
    170 ; SSE1: movl $2021161080
    171 ; SSE1: movl $2021161080
    172 ; SSE1: movl $2021161080
    173 
    174 ; NOSSE-LABEL: t4:
    175 ; NOSSE: movw $120
    176 ; NOSSE: movl $2021161080
    177 ; NOSSE: movl $2021161080
    178 ; NOSSE: movl $2021161080
    179 ; NOSSE: movl $2021161080
    180 ; NOSSE: movl $2021161080
    181 ; NOSSE: movl $2021161080
    182 ; NOSSE: movl $2021161080
    183 
    184 ;;; TODO: (1) Some of the loads and stores are certainly unaligned and (2) the first load and first
    185 ;;; store overlap with the second load and second store respectively.
    186 ;;;
    187 ;;; Is either of the sequences ideal?
    188 
    189 ; X86-64-LABEL: t4:
    190 ; X86-64: movabsq  $33909456017848440, %rax ## imm = 0x78787878787878
    191 ; X86-64: movq     %rax, -10(%rsp)
    192 ; X86-64: movabsq  $8680820740569200760, %rax ## imm = 0x7878787878787878
    193 ; X86-64: movq     %rax, -16(%rsp)
    194 ; X86-64: movq     %rax, -24(%rsp)
    195 ; X86-64: movq     %rax, -32(%rsp)
    196 
    197 ; NHM_64-LABEL: t4:
    198 ; NHM_64: movups   _.str2+14(%rip), %xmm0
    199 ; NHM_64: movups   %xmm0, -26(%rsp)
    200 ; NHM_64: movups   _.str2(%rip), %xmm0
    201 ; NHM_64: movaps   %xmm0, -40(%rsp)
    202 
    203   %tmp1 = alloca [30 x i8]
    204   %tmp2 = bitcast [30 x i8]* %tmp1 to i8*
    205   call void @llvm.memcpy.p0i8.p0i8.i32(i8* %tmp2, i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str2, i32 0, i32 0), i32 30, i32 1, i1 false)
    206   unreachable
    207 }
    208 
    209 declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind
    210