; RUN: llc < %s -march=x86 -mcpu=pentium2 -mtriple=i686-apple-darwin8.8.0 | FileCheck %s --check-prefix=X86 ; RUN: llc < %s -march=x86 -mcpu=pentium3 -mtriple=i686-apple-darwin8.8.0 | FileCheck %s --check-prefix=XMM ; RUN: llc < %s -march=x86 -mcpu=bdver1 -mtriple=i686-apple-darwin8.8.0 | FileCheck %s --check-prefix=YMM %struct.x = type { i16, i16 } define void @t() nounwind { entry: %up_mvd = alloca [8 x %struct.x] ; <[8 x %struct.x]*> [#uses=2] %up_mvd116 = getelementptr [8 x %struct.x], [8 x %struct.x]* %up_mvd, i32 0, i32 0 ; <%struct.x*> [#uses=1] %tmp110117 = bitcast [8 x %struct.x]* %up_mvd to i8* ; <i8*> [#uses=1] call void @llvm.memset.p0i8.i64(i8* %tmp110117, i8 0, i64 32, i32 8, i1 false) ; X86: movl $0, ; X86: movl $0, ; X86: movl $0, ; X86: movl $0, ; X86: movl $0, ; X86: movl $0, ; X86: movl $0, ; X86: movl $0, ; X86-NOT: movl $0, ; X86: ret ; XMM: xorps %xmm{{[0-9]+}}, [[Z:%xmm[0-9]+]] ; XMM: movaps [[Z]], ; XMM: movaps [[Z]], ; XMM-NOT: movaps ; XMM: ret ; YMM: vxorps %ymm{{[0-9]+}}, %ymm{{[0-9]+}}, [[Z:%ymm[0-9]+]] ; YMM: vmovaps [[Z]], ; YMM-NOT: movaps ; YMM: ret call void @foo( %struct.x* %up_mvd116 ) nounwind ret void } declare void @foo(%struct.x*) declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) nounwind define void @PR15348(i8* %a) { ; Ensure that alignment of '0' in an @llvm.memset intrinsic results in ; unaligned loads and stores. ; XMM: PR15348 ; XMM: movb $0, ; XMM: movl $0, ; XMM: movl $0, ; XMM: movl $0, ; XMM: movl $0, call void @llvm.memset.p0i8.i64(i8* %a, i8 0, i64 17, i32 0, i1 false) ret void }