diff options
Diffstat (limited to 'test/CodeGen/X86/vec_split.ll')
-rw-r--r-- | test/CodeGen/X86/vec_split.ll | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/test/CodeGen/X86/vec_split.ll b/test/CodeGen/X86/vec_split.ll index f9e7c20..bc2c663 100644 --- a/test/CodeGen/X86/vec_split.ll +++ b/test/CodeGen/X86/vec_split.ll @@ -40,3 +40,36 @@ define <32 x i16> @split32(<32 x i16> %a, <32 x i16> %b, <32 x i8> %__mask) { %2 = select <32 x i1> %1, <32 x i16> %a, <32 x i16> %b ret <32 x i16> %2 } + +; PR19492 +define i128 @split128(<2 x i128> %a, <2 x i128> %b) { +; SSE4-LABEL: split128: +; SSE4: addq +; SSE4: adcq +; SSE4: addq +; SSE4: adcq +; SSE4: addq +; SSE4: adcq +; SSE4: ret +; AVX1-LABEL: split128: +; AVX1: addq +; AVX1: adcq +; AVX1: addq +; AVX1: adcq +; AVX1: addq +; AVX1: adcq +; AVX1: ret +; AVX2-LABEL: split128: +; AVX2: addq +; AVX2: adcq +; AVX2: addq +; AVX2: adcq +; AVX2: addq +; AVX2: adcq +; AVX2: ret + %add = add nsw <2 x i128> %a, %b + %rdx.shuf = shufflevector <2 x i128> %add, <2 x i128> undef, <2 x i32> <i32 undef, i32 0> + %bin.rdx = add <2 x i128> %add, %rdx.shuf + %e = extractelement <2 x i128> %bin.rdx, i32 1 + ret i128 %e +} |