1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mcpu=pentium2 -mtriple=i686-apple-darwin8.8.0 | FileCheck %s --check-prefix=X86
; RUN: llc < %s -mcpu=pentium3 -mtriple=i686-apple-darwin8.8.0 | FileCheck %s --check-prefix=XMM
; RUN: llc < %s -mcpu=bdver1 -mtriple=i686-apple-darwin8.8.0 | FileCheck %s --check-prefix=YMM
%struct.x = type { i16, i16 }
define void @t() nounwind {
; X86-LABEL: t:
; X86: ## %bb.0: ## %entry
; X86-NEXT: subl $44, %esp
; X86-NEXT: movl $0, {{[0-9]+}}(%esp)
; X86-NEXT: movl $0, {{[0-9]+}}(%esp)
; X86-NEXT: movl $0, {{[0-9]+}}(%esp)
; X86-NEXT: movl $0, {{[0-9]+}}(%esp)
; X86-NEXT: movl $0, {{[0-9]+}}(%esp)
; X86-NEXT: movl $0, {{[0-9]+}}(%esp)
; X86-NEXT: movl $0, {{[0-9]+}}(%esp)
; X86-NEXT: movl $0, {{[0-9]+}}(%esp)
; X86-NEXT: leal {{[0-9]+}}(%esp), %eax
; X86-NEXT: movl %eax, (%esp)
; X86-NEXT: calll _foo
; X86-NEXT: addl $44, %esp
; X86-NEXT: retl
;
; XMM-LABEL: t:
; XMM: ## %bb.0: ## %entry
; XMM-NEXT: subl $60, %esp
; XMM-NEXT: xorps %xmm0, %xmm0
; XMM-NEXT: movaps %xmm0, {{[0-9]+}}(%esp)
; XMM-NEXT: movaps %xmm0, {{[0-9]+}}(%esp)
; XMM-NEXT: leal {{[0-9]+}}(%esp), %eax
; XMM-NEXT: movl %eax, (%esp)
; XMM-NEXT: calll _foo
; XMM-NEXT: addl $60, %esp
; XMM-NEXT: retl
;
; YMM-LABEL: t:
; YMM: ## %bb.0: ## %entry
; YMM-NEXT: subl $60, %esp
; YMM-NEXT: leal {{[0-9]+}}(%esp), %eax
; YMM-NEXT: vxorps %xmm0, %xmm0, %xmm0
; YMM-NEXT: vmovups %ymm0, {{[0-9]+}}(%esp)
; YMM-NEXT: movl %eax, (%esp)
; YMM-NEXT: vzeroupper
; YMM-NEXT: calll _foo
; YMM-NEXT: addl $60, %esp
; YMM-NEXT: retl
entry:
%up_mvd = alloca [8 x %struct.x] ; <ptr> [#uses=2]
%up_mvd116 = getelementptr [8 x %struct.x], ptr %up_mvd, i32 0, i32 0 ; <ptr> [#uses=1]
call void @llvm.memset.p0.i64(ptr align 8 %up_mvd, i8 0, i64 32, i1 false)
call void @foo( ptr %up_mvd116 ) nounwind
ret void
}
declare void @foo(ptr)
declare void @llvm.memset.p0.i64(ptr nocapture, i8, i64, i1) nounwind
; Ensure that alignment of '0' in an @llvm.memset intrinsic results in
; unaligned loads and stores.
define void @PR15348(ptr %a) {
; X86-LABEL: PR15348:
; X86: ## %bb.0:
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-NEXT: movb $0, 16(%eax)
; X86-NEXT: movl $0, 12(%eax)
; X86-NEXT: movl $0, 8(%eax)
; X86-NEXT: movl $0, 4(%eax)
; X86-NEXT: movl $0, (%eax)
; X86-NEXT: retl
;
; XMM-LABEL: PR15348:
; XMM: ## %bb.0:
; XMM-NEXT: movl {{[0-9]+}}(%esp), %eax
; XMM-NEXT: movb $0, 16(%eax)
; XMM-NEXT: movl $0, 12(%eax)
; XMM-NEXT: movl $0, 8(%eax)
; XMM-NEXT: movl $0, 4(%eax)
; XMM-NEXT: movl $0, (%eax)
; XMM-NEXT: retl
;
; YMM-LABEL: PR15348:
; YMM: ## %bb.0:
; YMM-NEXT: movl {{[0-9]+}}(%esp), %eax
; YMM-NEXT: vxorps %xmm0, %xmm0, %xmm0
; YMM-NEXT: vmovups %xmm0, (%eax)
; YMM-NEXT: movb $0, 16(%eax)
; YMM-NEXT: retl
call void @llvm.memset.p0.i64(ptr %a, i8 0, i64 17, i1 false)
ret void
}
declare void @llvm.memset.p0.i32(ptr nocapture writeonly, i8, i32, i1 immarg)
define void @PR83077(ptr %a) {
; X86-LABEL: PR83077:
; X86: ## %bb.0:
; X86-NEXT: pushl %edi
; X86-NEXT: .cfi_def_cfa_offset 8
; X86-NEXT: .cfi_offset %edi, -8
; X86-NEXT: movl {{[0-9]+}}(%esp), %edx
; X86-NEXT: movl $-1, %eax
; X86-NEXT: movl $22, %ecx
; X86-NEXT: movl %edx, %edi
; X86-NEXT: rep;stosl %eax, %es:(%edi)
; X86-NEXT: movw $-1, 88(%edx)
; X86-NEXT: popl %edi
; X86-NEXT: retl
;
; XMM-LABEL: PR83077:
; XMM: ## %bb.0:
; XMM-NEXT: pushl %edi
; XMM-NEXT: .cfi_def_cfa_offset 8
; XMM-NEXT: .cfi_offset %edi, -8
; XMM-NEXT: movl {{[0-9]+}}(%esp), %edx
; XMM-NEXT: movl $-1, %eax
; XMM-NEXT: movl $22, %ecx
; XMM-NEXT: movl %edx, %edi
; XMM-NEXT: rep;stosl %eax, %es:(%edi)
; XMM-NEXT: movw $-1, 88(%edx)
; XMM-NEXT: popl %edi
; XMM-NEXT: retl
;
; YMM-LABEL: PR83077:
; YMM: ## %bb.0:
; YMM-NEXT: movl {{[0-9]+}}(%esp), %eax
; YMM-NEXT: vxorps %xmm0, %xmm0, %xmm0
; YMM-NEXT: vcmptrueps %ymm0, %ymm0, %ymm0
; YMM-NEXT: vmovups %ymm0, 58(%eax)
; YMM-NEXT: vmovups %ymm0, 32(%eax)
; YMM-NEXT: vmovups %ymm0, (%eax)
; YMM-NEXT: vzeroupper
; YMM-NEXT: retl
call void @llvm.memset.p0.i32(ptr noundef nonnull align 4 dereferenceable(90) %a, i8 -1, i32 90, i1 false)
ret void
}
|