diff options
Diffstat (limited to 'lib/Target/AMDGPU/AMDGPUISelLowering.cpp')
| -rw-r--r-- | lib/Target/AMDGPU/AMDGPUISelLowering.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/Target/AMDGPU/AMDGPUISelLowering.cpp b/lib/Target/AMDGPU/AMDGPUISelLowering.cpp index e48c1943cb01..54caa2c5dfad 100644 --- a/lib/Target/AMDGPU/AMDGPUISelLowering.cpp +++ b/lib/Target/AMDGPU/AMDGPUISelLowering.cpp @@ -2855,6 +2855,9 @@ SDValue AMDGPUTargetLowering::performFNegCombine(SDNode *N, SDLoc SL(N); switch (Opc) { case ISD::FADD: { + if (!mayIgnoreSignedZero(N0)) + return SDValue(); + // (fneg (fadd x, y)) -> (fadd (fneg x), (fneg y)) SDValue LHS = N0.getOperand(0); SDValue RHS = N0.getOperand(1); @@ -2895,6 +2898,9 @@ SDValue AMDGPUTargetLowering::performFNegCombine(SDNode *N, } case ISD::FMA: case ISD::FMAD: { + if (!mayIgnoreSignedZero(N0)) + return SDValue(); + // (fneg (fma x, y, z)) -> (fma x, (fneg y), (fneg z)) SDValue LHS = N0.getOperand(0); SDValue MHS = N0.getOperand(1); @@ -3272,6 +3278,7 @@ const char* AMDGPUTargetLowering::getTargetNodeName(unsigned Opcode) const { NODE_NAME_CASE(CONST_DATA_PTR) NODE_NAME_CASE(PC_ADD_REL_OFFSET) NODE_NAME_CASE(KILL) + NODE_NAME_CASE(DUMMY_CHAIN) case AMDGPUISD::FIRST_MEM_OPCODE_NUMBER: break; NODE_NAME_CASE(SENDMSG) NODE_NAME_CASE(SENDMSGHALT) |