1 ; RUN: llc < %s -march=x86 -mcpu=pentium2 -mtriple=i686-apple-darwin8.8.0 | FileCheck %s --check-prefix=X86 2 ; RUN: llc < %s -march=x86 -mcpu=pentium3 -mtriple=i686-apple-darwin8.8.0 | FileCheck %s --check-prefix=XMM 3 ; RUN: llc < %s -march=x86 -mcpu=bdver1 -mtriple=i686-apple-darwin8.8.0 | FileCheck %s --check-prefix=YMM 4 5 %struct.x = type { i16, i16 } 6 7 define void @t() nounwind { 8 entry: 9 %up_mvd = alloca [8 x %struct.x] ; <[8 x %struct.x]*> [#uses=2] 10 %up_mvd116 = getelementptr [8 x %struct.x], [8 x %struct.x]* %up_mvd, i32 0, i32 0 ; <%struct.x*> [#uses=1] 11 %tmp110117 = bitcast [8 x %struct.x]* %up_mvd to i8* ; <i8*> [#uses=1] 12 13 call void @llvm.memset.p0i8.i64(i8* %tmp110117, i8 0, i64 32, i32 8, i1 false) 14 ; X86: movl $0, 15 ; X86: movl $0, 16 ; X86: movl $0, 17 ; X86: movl $0, 18 ; X86: movl $0, 19 ; X86: movl $0, 20 ; X86: movl $0, 21 ; X86: movl $0, 22 ; X86-NOT: movl $0, 23 ; X86: ret 24 25 ; XMM: xorps %xmm{{[0-9]+}}, [[Z:%xmm[0-9]+]] 26 ; XMM: movaps [[Z]], 27 ; XMM: movaps [[Z]], 28 ; XMM-NOT: movaps 29 ; XMM: ret 30 31 ; YMM: vxorps %ymm{{[0-9]+}}, %ymm{{[0-9]+}}, [[Z:%ymm[0-9]+]] 32 ; YMM: vmovaps [[Z]], 33 ; YMM-NOT: movaps 34 ; YMM: ret 35 36 call void @foo( %struct.x* %up_mvd116 ) nounwind 37 ret void 38 } 39 40 declare void @foo(%struct.x*) 41 42 declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) nounwind 43 44 define void @PR15348(i8* %a) { 45 ; Ensure that alignment of '0' in an @llvm.memset intrinsic results in 46 ; unaligned loads and stores. 47 ; XMM: PR15348 48 ; XMM: movb $0, 49 ; XMM: movl $0, 50 ; XMM: movl $0, 51 ; XMM: movl $0, 52 ; XMM: movl $0, 53 call void @llvm.memset.p0i8.i64(i8* %a, i8 0, i64 17, i32 0, i1 false) 54 ret void 55 } 56
