diff options
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/test/CodeGen/X86/extractelement-load.ll | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/extractelement-load.ll b/llvm/test/CodeGen/X86/extractelement-load.ll index 915b9bfa8d1..9f044dc6206 100644 --- a/llvm/test/CodeGen/X86/extractelement-load.ll +++ b/llvm/test/CodeGen/X86/extractelement-load.ll @@ -93,3 +93,29 @@ define i64 @t4(<2 x double>* %a) { ret i64 %e } +; Don't extract from a volatile. +define void @t5(<2 x double> *%a0, double *%a1) { +; X32-SSE2-LABEL: t5: +; X32-SSE2: # %bb.0: +; X32-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax +; X32-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx +; X32-SSE2-NEXT: movaps (%ecx), %xmm0 +; X32-SSE2-NEXT: movhps %xmm0, (%eax) +; X32-SSE2-NEXT: retl +; +; X64-SSSE3-LABEL: t5: +; X64-SSSE3: # %bb.0: +; X64-SSSE3-NEXT: movaps (%rdi), %xmm0 +; X64-SSSE3-NEXT: movhps %xmm0, (%rsi) +; X64-SSSE3-NEXT: retq +; +; X64-AVX-LABEL: t5: +; X64-AVX: # %bb.0: +; X64-AVX-NEXT: vmovaps (%rdi), %xmm0 +; X64-AVX-NEXT: vmovhps %xmm0, (%rsi) +; X64-AVX-NEXT: retq + %vecload = load volatile <2 x double>, <2 x double>* %a0, align 16 + %vecext = extractelement <2 x double> %vecload, i32 1 + store volatile double %vecext, double* %a1, align 8 + ret void +} |
