diff options
| author | Kevin Qin <Kevin.Qin@arm.com> | 2014-06-24 05:37:27 +0000 |
|---|---|---|
| committer | Kevin Qin <Kevin.Qin@arm.com> | 2014-06-24 05:37:27 +0000 |
| commit | 93d45ecdbf6ad50b02f632dc6b66ec6d49b4f2bf (patch) | |
| tree | 63284dff71ed467bc1eac9d7d4309812dd2074fb /llvm/test/CodeGen/AArch64/arm64-build-vector.ll | |
| parent | 549210e783c7d4557c2f7ddce35f202e469b518d (diff) | |
| download | bcm5719-llvm-93d45ecdbf6ad50b02f632dc6b66ec6d49b4f2bf.tar.gz bcm5719-llvm-93d45ecdbf6ad50b02f632dc6b66ec6d49b4f2bf.zip | |
[AArch64] Fix a build_vector pattern match fail
caused by defect in isBuildVectorAllZeros().
llvm-svn: 211567
Diffstat (limited to 'llvm/test/CodeGen/AArch64/arm64-build-vector.ll')
| -rw-r--r-- | llvm/test/CodeGen/AArch64/arm64-build-vector.ll | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AArch64/arm64-build-vector.ll b/llvm/test/CodeGen/AArch64/arm64-build-vector.ll index c109263cedb..00c0bc7cd3a 100644 --- a/llvm/test/CodeGen/AArch64/arm64-build-vector.ll +++ b/llvm/test/CodeGen/AArch64/arm64-build-vector.ll @@ -33,3 +33,13 @@ define <4 x float> @foo(float %a, float %b, float %c, float %d) nounwind { %4 = insertelement <4 x float> %3, float %d, i32 3 ret <4 x float> %4 } + +define <8 x i16> @build_all_zero(<8 x i16> %a) #1 { +; CHECK-LABEL: build_all_zero: +; CHECK: movn w[[GREG:[0-9]+]], #0x517f +; CHECK-NEXT: fmov s[[FREG:[0-9]+]], w[[GREG]] +; CHECK-NEXT: mul.8h v0, v0, v[[FREG]] + %b = add <8 x i16> %a, <i16 -32768, i16 undef, i16 undef, i16 undef, i16 undef, i16 undef, i16 undef, i16 undef> + %c = mul <8 x i16> %b, <i16 -20864, i16 undef, i16 undef, i16 undef, i16 undef, i16 undef, i16 undef, i16 undef> + ret <8 x i16> %c + } |
