diff options
Diffstat (limited to 'llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp b/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp index 57cd19943ba..53016266810 100644 --- a/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp +++ b/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp @@ -562,6 +562,7 @@ static bool fnegFoldsIntoOp(unsigned Opc) { case AMDGPUISD::FMUL_LEGACY: case AMDGPUISD::FMIN_LEGACY: case AMDGPUISD::FMAX_LEGACY: + case AMDGPUISD::FMED3: return true; default: return false; @@ -3608,6 +3609,16 @@ SDValue AMDGPUTargetLowering::performFNegCombine(SDNode *N, DAG.ReplaceAllUsesWith(N0, DAG.getNode(ISD::FNEG, SL, VT, Res)); return Res; } + case AMDGPUISD::FMED3: { + SDValue Ops[3]; + for (unsigned I = 0; I < 3; ++I) + Ops[I] = DAG.getNode(ISD::FNEG, SL, VT, N0->getOperand(I), N0->getFlags()); + + SDValue Res = DAG.getNode(AMDGPUISD::FMED3, SL, VT, Ops, N0->getFlags()); + if (!N0.hasOneUse()) + DAG.ReplaceAllUsesWith(N0, DAG.getNode(ISD::FNEG, SL, VT, Res)); + return Res; + } case ISD::FP_EXTEND: case ISD::FTRUNC: case ISD::FRINT: |
