diff options
| -rw-r--r-- | llvm/test/CodeGen/X86/extractelement-load.ll | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/extractelement-load.ll b/llvm/test/CodeGen/X86/extractelement-load.ll index 9f044dc6206..f2d07b1ee1a 100644 --- a/llvm/test/CodeGen/X86/extractelement-load.ll +++ b/llvm/test/CodeGen/X86/extractelement-load.ll @@ -119,3 +119,49 @@ define void @t5(<2 x double> *%a0, double *%a1) { store volatile double %vecext, double* %a1, align 8 ret void } + +; Check for multiuse. +define float @t6(<8 x float> *%a0) { +; X32-SSE2-LABEL: t6: +; X32-SSE2: # %bb.0: +; X32-SSE2-NEXT: pushl %eax +; X32-SSE2-NEXT: .cfi_def_cfa_offset 8 +; X32-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax +; X32-SSE2-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero +; X32-SSE2-NEXT: xorps %xmm1, %xmm1 +; X32-SSE2-NEXT: cmpeqss %xmm0, %xmm1 +; X32-SSE2-NEXT: movss {{.*#+}} xmm2 = mem[0],zero,zero,zero +; X32-SSE2-NEXT: andps %xmm1, %xmm2 +; X32-SSE2-NEXT: andnps %xmm0, %xmm1 +; X32-SSE2-NEXT: orps %xmm2, %xmm1 +; X32-SSE2-NEXT: movss %xmm1, (%esp) +; X32-SSE2-NEXT: flds (%esp) +; X32-SSE2-NEXT: popl %eax +; X32-SSE2-NEXT: .cfi_def_cfa_offset 4 +; X32-SSE2-NEXT: retl +; +; X64-SSSE3-LABEL: t6: +; X64-SSSE3: # %bb.0: +; X64-SSSE3-NEXT: movss {{.*#+}} xmm1 = mem[0],zero,zero,zero +; X64-SSSE3-NEXT: xorps %xmm0, %xmm0 +; X64-SSSE3-NEXT: cmpeqss %xmm1, %xmm0 +; X64-SSSE3-NEXT: movss {{.*#+}} xmm2 = mem[0],zero,zero,zero +; X64-SSSE3-NEXT: andps %xmm0, %xmm2 +; X64-SSSE3-NEXT: andnps %xmm1, %xmm0 +; X64-SSSE3-NEXT: orps %xmm2, %xmm0 +; X64-SSSE3-NEXT: retq +; +; X64-AVX-LABEL: t6: +; X64-AVX: # %bb.0: +; X64-AVX-NEXT: vmovshdup {{.*#+}} xmm0 = mem[1,1,3,3] +; X64-AVX-NEXT: vxorps %xmm1, %xmm1, %xmm1 +; X64-AVX-NEXT: vcmpeqss %xmm1, %xmm0, %xmm1 +; X64-AVX-NEXT: vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero +; X64-AVX-NEXT: vblendvps %xmm1, %xmm2, %xmm0, %xmm0 +; X64-AVX-NEXT: retq + %vecload = load <8 x float>, <8 x float>* %a0, align 32 + %vecext = extractelement <8 x float> %vecload, i32 1 + %cmp = fcmp oeq float %vecext, 0.000000e+00 + %cond = select i1 %cmp, float 1.000000e+00, float %vecext + ret float %cond +} |
