diff options
Diffstat (limited to 'test/CodeGen/X86/memset.ll')
| -rw-r--r-- | test/CodeGen/X86/memset.ll | 41 |
1 files changed, 39 insertions, 2 deletions
diff --git a/test/CodeGen/X86/memset.ll b/test/CodeGen/X86/memset.ll index 72b3e0fa3d513..0d479f0abe7b9 100644 --- a/test/CodeGen/X86/memset.ll +++ b/test/CodeGen/X86/memset.ll @@ -1,5 +1,6 @@ -; RUN: llc < %s -march=x86 -mattr=-sse -mtriple=i686-apple-darwin8.8.0 | grep mov | count 9 -; RUN: llc < %s -march=x86 -mattr=+sse -mtriple=i686-apple-darwin8.8.0 | grep mov | count 3 +; 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 } @@ -8,7 +9,30 @@ entry: %up_mvd = alloca [8 x %struct.x] ; <[8 x %struct.x]*> [#uses=2] %up_mvd116 = getelementptr [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 } @@ -16,3 +40,16 @@ entry: 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 +} |