100 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			100 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			LLVM
		
	
	
	
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mcpu=pentium2 -mtriple=i686-apple-darwin8.8.0 | FileCheck %s --check-prefix=X86
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; RUN: llc < %s -mcpu=pentium3 -mtriple=i686-apple-darwin8.8.0 | FileCheck %s --check-prefix=XMM
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; RUN: llc < %s -mcpu=bdver1   -mtriple=i686-apple-darwin8.8.0 | FileCheck %s --check-prefix=YMM
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%struct.x = type { i16, i16 }
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define void @t() nounwind  {
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; X86-LABEL: t:
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; X86:       ## %bb.0: ## %entry
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; X86-NEXT:    subl $44, %esp
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; X86-NEXT:    movl $0, {{[0-9]+}}(%esp)
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; X86-NEXT:    movl $0, {{[0-9]+}}(%esp)
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; X86-NEXT:    movl $0, {{[0-9]+}}(%esp)
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; X86-NEXT:    movl $0, {{[0-9]+}}(%esp)
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; X86-NEXT:    movl $0, {{[0-9]+}}(%esp)
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; X86-NEXT:    movl $0, {{[0-9]+}}(%esp)
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; X86-NEXT:    movl $0, {{[0-9]+}}(%esp)
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; X86-NEXT:    movl $0, {{[0-9]+}}(%esp)
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; X86-NEXT:    leal {{[0-9]+}}(%esp), %eax
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; X86-NEXT:    movl %eax, (%esp)
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; X86-NEXT:    calll _foo
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; X86-NEXT:    addl $44, %esp
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; X86-NEXT:    retl
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;
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; XMM-LABEL: t:
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; XMM:       ## %bb.0: ## %entry
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; XMM-NEXT:    subl $60, %esp
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; XMM-NEXT:    xorps %xmm0, %xmm0
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; XMM-NEXT:    movaps %xmm0, {{[0-9]+}}(%esp)
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; XMM-NEXT:    movaps %xmm0, {{[0-9]+}}(%esp)
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; XMM-NEXT:    leal {{[0-9]+}}(%esp), %eax
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; XMM-NEXT:    movl %eax, (%esp)
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; XMM-NEXT:    calll _foo
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; XMM-NEXT:    addl $60, %esp
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; XMM-NEXT:    retl
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;
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; YMM-LABEL: t:
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; YMM:       ## %bb.0: ## %entry
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; YMM-NEXT:    pushl %ebp
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; YMM-NEXT:    movl %esp, %ebp
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; YMM-NEXT:    andl $-32, %esp
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; YMM-NEXT:    subl $96, %esp
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; YMM-NEXT:    leal {{[0-9]+}}(%esp), %eax
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; YMM-NEXT:    vxorps %xmm0, %xmm0, %xmm0
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; YMM-NEXT:    vmovaps %ymm0, {{[0-9]+}}(%esp)
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; YMM-NEXT:    movl %eax, (%esp)
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; YMM-NEXT:    vzeroupper
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; YMM-NEXT:    calll _foo
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; YMM-NEXT:    movl %ebp, %esp
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; YMM-NEXT:    popl %ebp
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; YMM-NEXT:    retl
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entry:
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	%up_mvd = alloca [8 x %struct.x]		; <[8 x %struct.x]*> [#uses=2]
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	%up_mvd116 = getelementptr [8 x %struct.x], [8 x %struct.x]* %up_mvd, i32 0, i32 0		; <%struct.x*> [#uses=1]
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	%tmp110117 = bitcast [8 x %struct.x]* %up_mvd to i8*		; <i8*> [#uses=1]
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	call void @llvm.memset.p0i8.i64(i8* align 8 %tmp110117, i8 0, i64 32, i1 false)
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	call void @foo( %struct.x* %up_mvd116 ) nounwind
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	ret void
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}
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declare void @foo(%struct.x*)
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declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i1) nounwind
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; Ensure that alignment of '0' in an @llvm.memset intrinsic results in
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; unaligned loads and stores.
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define void @PR15348(i8* %a) {
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; X86-LABEL: PR15348:
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; X86:       ## %bb.0:
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; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT:    movb $0, 16(%eax)
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; X86-NEXT:    movl $0, 12(%eax)
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; X86-NEXT:    movl $0, 8(%eax)
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; X86-NEXT:    movl $0, 4(%eax)
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; X86-NEXT:    movl $0, (%eax)
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; X86-NEXT:    retl
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;
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; XMM-LABEL: PR15348:
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; XMM:       ## %bb.0:
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; XMM-NEXT:    movl {{[0-9]+}}(%esp), %eax
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; XMM-NEXT:    movb $0, 16(%eax)
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; XMM-NEXT:    movl $0, 12(%eax)
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; XMM-NEXT:    movl $0, 8(%eax)
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; XMM-NEXT:    movl $0, 4(%eax)
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; XMM-NEXT:    movl $0, (%eax)
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; XMM-NEXT:    retl
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;
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; YMM-LABEL: PR15348:
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; YMM:       ## %bb.0:
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; YMM-NEXT:    movl {{[0-9]+}}(%esp), %eax
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; YMM-NEXT:    vxorps %xmm0, %xmm0, %xmm0
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; YMM-NEXT:    vmovups %xmm0, (%eax)
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; YMM-NEXT:    movb $0, 16(%eax)
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; YMM-NEXT:    retl
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  call void @llvm.memset.p0i8.i64(i8* %a, i8 0, i64 17, i1 false)
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  ret void
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}
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