AVX-512: Added FMA instructions, intrinsics an tests for KNL and SKX targets

[oota-llvm.git] / lib / Target / R600 / AMDGPUISelLowering.cpp

diff --git a/lib/Target/R600/AMDGPUISelLowering.cpp b/lib/Target/R600/AMDGPUISelLowering.cpp
index 5783d4398ed764676606e1fbdbaee280de8c64ca..a0f3b6b697b754b4cc9d1ad989529bb9e1f3bc94 100644 (file)
--- a/lib/Target/R600/AMDGPUISelLowering.cpp
+++ b/lib/Target/R600/AMDGPUISelLowering.cpp
@@ -1070,10 +1070,6 @@ SDValue AMDGPUTargetLowering::CombineFMinMaxLegacy(SDLoc DL,
     break;
   case ISD::SETULE:
   case ISD::SETULT: {
-    // Unordered.
-    //
-    // We will allow this before legalization since we expand unordered compares
-    // ordinarily.
     if (LHS == True)
       return DAG.getNode(AMDGPUISD::FMIN_LEGACY, DL, VT, RHS, LHS);
     return DAG.getNode(AMDGPUISD::FMAX_LEGACY, DL, VT, LHS, RHS);
@@ -2300,7 +2296,7 @@ SDValue AMDGPUTargetLowering::PerformDAGCombine(SDNode *N,
     }
   case ISD::SELECT: {
     SDValue Cond = N->getOperand(0);
-    if (Cond.getOpcode() == ISD::SETCC) {
+    if (Cond.getOpcode() == ISD::SETCC && Cond.hasOneUse()) {
       SDLoc DL(N);
       EVT VT = N->getValueType(0);
       SDValue LHS = Cond.getOperand(0);