diff options
Diffstat (limited to 'test/CodeGen/X86/sse41.ll')
| -rw-r--r-- | test/CodeGen/X86/sse41.ll | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/test/CodeGen/X86/sse41.ll b/test/CodeGen/X86/sse41.ll index a3c6201..6726a3e 100644 --- a/test/CodeGen/X86/sse41.ll +++ b/test/CodeGen/X86/sse41.ll @@ -692,3 +692,25 @@ define <4 x float> @insertps_from_broadcast_multiple_use(<4 x float> %a, <4 x fl %13 = fadd <4 x float> %11, %12 ret <4 x float> %13 } + +define <4 x float> @insertps_with_undefs(<4 x float> %a, float* %b) { +; CHECK-LABEL: insertps_with_undefs: +; CHECK-NOT: shufps +; CHECK: insertps $32, %xmm0 +; CHECK: ret + %1 = load float* %b, align 4 + %2 = insertelement <4 x float> undef, float %1, i32 0 + %result = shufflevector <4 x float> %a, <4 x float> %2, <4 x i32> <i32 4, i32 undef, i32 0, i32 7> + ret <4 x float> %result +} + +; Test for a bug in X86ISelLowering.cpp:getINSERTPS where we were using +; the destination index to change the load, instead of the source index. +define <4 x float> @pr20087(<4 x float> %a, <4 x float> *%ptr) { +; CHECK-LABEL: pr20087: +; CHECK: insertps $48 +; CHECK: ret + %load = load <4 x float> *%ptr + %ret = shufflevector <4 x float> %load, <4 x float> %a, <4 x i32> <i32 4, i32 undef, i32 6, i32 2> + ret <4 x float> %ret +} |