From: Matt Arsenault <Matthew.Arsenault@amd.com>
Date: Tue, 23 May 2023 10:04:39 +0000 (+0100)
Subject: AMDGPU: Drop FP_ROUND second value check
X-Git-Tag: upstream/17.0.6~7433
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0fe83eb5c37b632d1b7e545d6e108f9b1852050a;p=platform%2Fupstream%2Fllvm.git

AMDGPU: Drop FP_ROUND second value check

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

diff --git a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
index 7eefe7c..24c2ad6 100644
--- a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
+++ b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
@@ -11139,8 +11139,7 @@ SDValue SITargetLowering::performFPRoundCombine(SDNode *N,
     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;