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; 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
}
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