[PATCH] D151196: AMDGPU: Drop FP_ROUND second value check

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added reviewers: AMDGPU, foad, Pierre-vh.
Herald added subscribers: StephenFan, kerbowa, hiraditya, tpr, dstuttard, yaxunl, jvesely, kzhuravl.
Herald added a project: All.
arsenm requested review of this revision.
Herald added a subscriber: wdng.
Herald added a project: LLVM.

This doesn't mean what I thought it meant and is an optimization
hint flag.


https://reviews.llvm.org/D151196

Files:
  llvm/lib/Target/AMDGPU/SIISelLowering.cpp


Index: llvm/lib/Target/AMDGPU/SIISelLowering.cpp
===================================================================
--- llvm/lib/Target/AMDGPU/SIISelLowering.cpp
+++ llvm/lib/Target/AMDGPU/SIISelLowering.cpp
@@ -11139,8 +11139,7 @@
     return SDValue();
 
   if (TruncSrc.getOpcode() != AMDGPUISD::FMED3 ||
-      TruncSrc.getValueType() != MVT::f32 || !TruncSrc.hasOneUse() ||
-      !isNullConstant(N->getOperand(1)))
+      TruncSrc.getValueType() != MVT::f32 || !TruncSrc.hasOneUse())
     return SDValue();
 
   SelectionDAG &DAG = DCI.DAG;


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