diff options
| -rw-r--r-- | llvm/lib/Target/AArch64/AArch64ISelLowering.cpp | 2 | ||||
| -rw-r--r-- | llvm/test/CodeGen/AArch64/arm64-dup.ll | 37 |
2 files changed, 38 insertions, 1 deletions
diff --git a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp index 9a45ca711bf..90a5e5ef6b7 100644 --- a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp +++ b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp @@ -5046,7 +5046,7 @@ static SDValue GeneratePerfectShuffle(unsigned PFEntry, SDValue LHS, unsigned Opcode; if (EltTy == MVT::i8) Opcode = AArch64ISD::DUPLANE8; - else if (EltTy == MVT::i16) + else if (EltTy == MVT::i16 || EltTy == MVT::f16) Opcode = AArch64ISD::DUPLANE16; else if (EltTy == MVT::i32 || EltTy == MVT::f32) Opcode = AArch64ISD::DUPLANE32; diff --git a/llvm/test/CodeGen/AArch64/arm64-dup.ll b/llvm/test/CodeGen/AArch64/arm64-dup.ll index 849e227116f..c6b7de366d2 100644 --- a/llvm/test/CodeGen/AArch64/arm64-dup.ll +++ b/llvm/test/CodeGen/AArch64/arm64-dup.ll @@ -321,3 +321,40 @@ entry: %sub = sub <4 x i16> %a, %mul ret <4 x i16> %sub } + +; Also test the DUP path in the PerfectShuffle generator. + +; CHECK-LABEL: test_perfectshuffle_dupext_v4i16: +; CHECK-NEXT: dup.4h v0, v0[0] +; CHECK-NEXT: ext.8b v0, v0, v1, #4 +define <4 x i16> @test_perfectshuffle_dupext_v4i16(<4 x i16> %a, <4 x i16> %b) nounwind { + %r = shufflevector <4 x i16> %a, <4 x i16> %b, <4 x i32> <i32 0, i32 0, i32 4, i32 5> + ret <4 x i16> %r +} + +; CHECK-LABEL: test_perfectshuffle_dupext_v4f16: +; CHECK-NEXT: dup.4h v0, v0[0] +; CHECK-NEXT: ext.8b v0, v0, v1, #4 +; CHECK-NEXT: ret +define <4 x half> @test_perfectshuffle_dupext_v4f16(<4 x half> %a, <4 x half> %b) nounwind { + %r = shufflevector <4 x half> %a, <4 x half> %b, <4 x i32> <i32 0, i32 0, i32 4, i32 5> + ret <4 x half> %r +} + +; CHECK-LABEL: test_perfectshuffle_dupext_v4i32: +; CHECK-NEXT: dup.4s v0, v0[0] +; CHECK-NEXT: ext.16b v0, v0, v1, #8 +; CHECK-NEXT: ret +define <4 x i32> @test_perfectshuffle_dupext_v4i32(<4 x i32> %a, <4 x i32> %b) nounwind { + %r = shufflevector <4 x i32> %a, <4 x i32> %b, <4 x i32> <i32 0, i32 0, i32 4, i32 5> + ret <4 x i32> %r +} + +; CHECK-LABEL: test_perfectshuffle_dupext_v4f32: +; CHECK-NEXT: dup.4s v0, v0[0] +; CHECK-NEXT: ext.16b v0, v0, v1, #8 +; CHECK-NEXT: ret +define <4 x float> @test_perfectshuffle_dupext_v4f32(<4 x float> %a, <4 x float> %b) nounwind { + %r = shufflevector <4 x float> %a, <4 x float> %b, <4 x i32> <i32 0, i32 0, i32 4, i32 5> + ret <4 x float> %r +} |
