diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/X86/memcpy.ll | 13 | ||||
| -rw-r--r-- | test/CodeGen/X86/memset.ll | 16 |
2 files changed, 29 insertions, 0 deletions
diff --git a/test/CodeGen/X86/memcpy.ll b/test/CodeGen/X86/memcpy.ll index 2e02e45c8d..3372a4adc5 100644 --- a/test/CodeGen/X86/memcpy.ll +++ b/test/CodeGen/X86/memcpy.ll @@ -105,3 +105,16 @@ entry: ret void } +define void @PR15348(i8* %a, i8* %b) { +; Ensure that alignment of '0' in an @llvm.memcpy intrinsic results in +; unaligned loads and stores. +; LINUX: PR15348 +; LINUX: movb +; LINUX: movb +; LINUX: movq +; LINUX: movq +; LINUX: movq +; LINUX: movq + call void @llvm.memcpy.p0i8.p0i8.i64(i8* %a, i8* %b, i64 17, i32 0, i1 false) + ret void +} diff --git a/test/CodeGen/X86/memset.ll b/test/CodeGen/X86/memset.ll index b35f2615d0..0d479f0abe 100644 --- a/test/CodeGen/X86/memset.ll +++ b/test/CodeGen/X86/memset.ll @@ -20,15 +20,18 @@ entry: ; 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 @@ -37,3 +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 +} |