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| -rw-r--r-- | llvm/test/CodeGen/X86/extractelement-index.ll | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/extractelement-index.ll b/llvm/test/CodeGen/X86/extractelement-index.ll new file mode 100644 index 00000000000..ab3ff8ed435 --- /dev/null +++ b/llvm/test/CodeGen/X86/extractelement-index.ll @@ -0,0 +1,51 @@ +; RUN: llc < %s -mtriple=x86_64-pc-linux | FileCheck %s -check-prefix=X64 +; RUN: llc < %s -mtriple=x86_64-pc-linux -mattr=+avx | FileCheck %s -check-prefix=AVX + + +; CHECK-LABEL: extractelement_index_1: +define i8 @extractelement_index_1(<32 x i8> %a) nounwind { + ; X64: movaps + ; AVX: vpextrb $1 + %b = extractelement <32 x i8> %a, i256 1 + ret i8 %b +} + +; CHECK-LABEL: extractelement_index_2: +define i32 @extractelement_index_2(<8 x i32> %a) nounwind { + ; X64: pshufd + ; AVX: vextractf128 $1 + ; AVX-NEXT: vpextrd $3 + %b = extractelement <8 x i32> %a, i64 7 + ret i32 %b +} + +; CHECK-LABEL: extractelement_index_3: +define i32 @extractelement_index_3(<8 x i32> %a) nounwind { + ; CHECK-NOT: pextr + %b = extractelement <8 x i32> %a, i64 15 + ret i32 %b +} + +; CHECK-LABEL: extractelement_index_4: +define i32 @extractelement_index_4(<8 x i32> %a) nounwind { + ; X64: movd + ; AVX: vextractf128 $1 + ; AVX-NEXT: vmovd + %b = extractelement <8 x i32> %a, i256 4 + ret i32 %b +} + +; CHECK-LABEL: extractelement_index_5: +define i8 @extractelement_index_5(<32 x i8> %a, i256 %i) nounwind { + ; X64: movaps + ; AVX: vmovaps + %b = extractelement <32 x i8> %a, i256 %i + ret i8 %b +} + +; CHECK-LABEL: extractelement_index_6: +define i8 @extractelement_index_6(<32 x i8> %a) nounwind { + ; CHECK-NOT: pextr + %b = extractelement <32 x i8> %a, i256 -1 + ret i8 %b +}
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