Author: Krzysztof Parzyszek Date: 2021-01-04T10:43:01-06:00 New Revision: c55b609b777d59b4c174842ae87784626c2a4738
URL: https://github.com/llvm/llvm-project/commit/c55b609b777d59b4c174842ae87784626c2a4738 DIFF: https://github.com/llvm/llvm-project/commit/c55b609b777d59b4c174842ae87784626c2a4738.diff LOG: [Hexagon] Fix bad SDNodeXForm Fixes https://llvm.org/PR48651 Added: llvm/test/CodeGen/Hexagon/isel-splat-vector-neg-i8.ll Modified: llvm/lib/Target/Hexagon/HexagonPatterns.td Removed: ################################################################################ diff --git a/llvm/lib/Target/Hexagon/HexagonPatterns.td b/llvm/lib/Target/Hexagon/HexagonPatterns.td index fa91f7a31b14..d216c511a994 100644 --- a/llvm/lib/Target/Hexagon/HexagonPatterns.td +++ b/llvm/lib/Target/Hexagon/HexagonPatterns.td @@ -232,8 +232,8 @@ def NegImm32: SDNodeXForm<imm, [{ def SplatB: SDNodeXForm<imm, [{ uint32_t V = N->getZExtValue(); assert(isUInt<8>(V) || V >> 8 == 0xFFFFFF); - uint32_t S = V << 24 | V << 16 | V << 8 | V; V &= 0xFF; + uint32_t S = V << 24 | V << 16 | V << 8 | V; return CurDAG->getTargetConstant(S, SDLoc(N), MVT::i32); }]>; diff --git a/llvm/test/CodeGen/Hexagon/isel-splat-vector-neg-i8.ll b/llvm/test/CodeGen/Hexagon/isel-splat-vector-neg-i8.ll new file mode 100644 index 000000000000..9bd5bde81d94 --- /dev/null +++ b/llvm/test/CodeGen/Hexagon/isel-splat-vector-neg-i8.ll @@ -0,0 +1,16 @@ +; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py +; RUN: llc -march=hexagon < %s | FileCheck %s + +define <4 x i8> @fred() #0 { +; CHECK-LABEL: fred: +; CHECK: // %bb.0: +; CHECK-NEXT: { +; CHECK-NEXT: r0 = ##-16843010 +; CHECK-NEXT: jumpr r31 +; CHECK-NEXT: } + %v0 = insertelement <4 x i8> undef, i8 -2, i32 0 + %v1 = shufflevector <4 x i8> %v0, <4 x i8> undef, <4 x i32> zeroinitializer + ret <4 x i8> %v1 +} + +attributes #0 = { nounwind readnone } _______________________________________________ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
