1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2 ; RUN: llc < %s -mcpu=pentium2 -mtriple=i686-apple-darwin8.8.0 | FileCheck %s --check-prefix=X86 3 ; RUN: llc < %s -mcpu=pentium3 -mtriple=i686-apple-darwin8.8.0 | FileCheck %s --check-prefix=XMM 4 ; RUN: llc < %s -mcpu=bdver1 -mtriple=i686-apple-darwin8.8.0 | FileCheck %s --check-prefix=YMM 5 6 %struct.x = type { i16, i16 } 7 8 define void @t() nounwind { 9 ; X86-LABEL: t: 10 ; X86: ## %bb.0: ## %entry 11 ; X86-NEXT: subl $44, %esp 12 ; X86-NEXT: movl $0, {{[0-9]+}}(%esp) 13 ; X86-NEXT: movl $0, {{[0-9]+}}(%esp) 14 ; X86-NEXT: movl $0, {{[0-9]+}}(%esp) 15 ; X86-NEXT: movl $0, {{[0-9]+}}(%esp) 16 ; X86-NEXT: movl $0, {{[0-9]+}}(%esp) 17 ; X86-NEXT: movl $0, {{[0-9]+}}(%esp) 18 ; X86-NEXT: movl $0, {{[0-9]+}}(%esp) 19 ; X86-NEXT: movl $0, {{[0-9]+}}(%esp) 20 ; X86-NEXT: leal {{[0-9]+}}(%esp), %eax 21 ; X86-NEXT: movl %eax, (%esp) 22 ; X86-NEXT: calll _foo 23 ; X86-NEXT: addl $44, %esp 24 ; X86-NEXT: retl 25 ; X86-NEXT: ## -- End function 26 ; 27 ; XMM-LABEL: t: 28 ; XMM: ## %bb.0: ## %entry 29 ; XMM-NEXT: subl $60, %esp 30 ; XMM-NEXT: xorps %xmm0, %xmm0 31 ; XMM-NEXT: movaps %xmm0, {{[0-9]+}}(%esp) 32 ; XMM-NEXT: movaps %xmm0, {{[0-9]+}}(%esp) 33 ; XMM-NEXT: leal {{[0-9]+}}(%esp), %eax 34 ; XMM-NEXT: movl %eax, (%esp) 35 ; XMM-NEXT: calll _foo 36 ; XMM-NEXT: addl $60, %esp 37 ; XMM-NEXT: retl 38 ; XMM-NEXT: ## -- End function 39 ; 40 ; YMM-LABEL: t: 41 ; YMM: ## %bb.0: ## %entry 42 ; YMM-NEXT: pushl %ebp 43 ; YMM-NEXT: movl %esp, %ebp 44 ; YMM-NEXT: andl $-32, %esp 45 ; YMM-NEXT: subl $96, %esp 46 ; YMM-NEXT: vxorps %xmm0, %xmm0, %xmm0 47 ; YMM-NEXT: vmovaps %ymm0, {{[0-9]+}}(%esp) 48 ; YMM-NEXT: leal {{[0-9]+}}(%esp), %eax 49 ; YMM-NEXT: movl %eax, (%esp) 50 ; YMM-NEXT: vzeroupper 51 ; YMM-NEXT: calll _foo 52 ; YMM-NEXT: movl %ebp, %esp 53 ; YMM-NEXT: popl %ebp 54 ; YMM-NEXT: retl 55 ; YMM-NEXT: ## -- End function 56 entry: 57 %up_mvd = alloca [8 x %struct.x] ; <[8 x %struct.x]*> [#uses=2] 58 %up_mvd116 = getelementptr [8 x %struct.x], [8 x %struct.x]* %up_mvd, i32 0, i32 0 ; <%struct.x*> [#uses=1] 59 %tmp110117 = bitcast [8 x %struct.x]* %up_mvd to i8* ; <i8*> [#uses=1] 60 61 call void @llvm.memset.p0i8.i64(i8* align 8 %tmp110117, i8 0, i64 32, i1 false) 62 call void @foo( %struct.x* %up_mvd116 ) nounwind 63 ret void 64 } 65 66 declare void @foo(%struct.x*) 67 68 declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i1) nounwind 69 70 ; Ensure that alignment of '0' in an @llvm.memset intrinsic results in 71 ; unaligned loads and stores. 72 define void @PR15348(i8* %a) { 73 ; X86-LABEL: PR15348: 74 ; X86: ## %bb.0: 75 ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax 76 ; X86-NEXT: movb $0, 16(%eax) 77 ; X86-NEXT: movl $0, 12(%eax) 78 ; X86-NEXT: movl $0, 8(%eax) 79 ; X86-NEXT: movl $0, 4(%eax) 80 ; X86-NEXT: movl $0, (%eax) 81 ; X86-NEXT: retl 82 ; 83 ; XMM-LABEL: PR15348: 84 ; XMM: ## %bb.0: 85 ; XMM-NEXT: movl {{[0-9]+}}(%esp), %eax 86 ; XMM-NEXT: movb $0, 16(%eax) 87 ; XMM-NEXT: movl $0, 12(%eax) 88 ; XMM-NEXT: movl $0, 8(%eax) 89 ; XMM-NEXT: movl $0, 4(%eax) 90 ; XMM-NEXT: movl $0, (%eax) 91 ; XMM-NEXT: retl 92 ; 93 ; YMM-LABEL: PR15348: 94 ; YMM: ## %bb.0: 95 ; YMM-NEXT: movl {{[0-9]+}}(%esp), %eax 96 ; YMM-NEXT: vxorps %xmm0, %xmm0, %xmm0 97 ; YMM-NEXT: vmovups %xmm0, (%eax) 98 ; YMM-NEXT: movb $0, 16(%eax) 99 ; YMM-NEXT: retl 100 call void @llvm.memset.p0i8.i64(i8* %a, i8 0, i64 17, i1 false) 101 ret void 102 } 103
