[llvm] [AMDGPU] Fix mul combine for MUL24 (PR #79110)

via llvm-commits llvm-commits at lists.llvm.org
Tue Jan 23 00:45:27 PST 2024


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git-clang-format --diff ba1e84fb8f45e102f40f409fcfe9b420fbf9fb70 ef01c948c7658543661f0a54abd93f893785129d -- llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp b/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp
index 109e86eb41..484a9f31a4 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp
@@ -4246,12 +4246,14 @@ SDValue AMDGPUTargetLowering::performMulCombine(SDNode *N,
   // operands, so we have to place the mul in the LHS
   if (SDValue MulOper = IsFoldableAdd(N0)) {
     SDValue MulVal = DAG.getNode(N->getOpcode(), DL, VT, N1, MulOper);
-    return DAG.getNode(ISD::ADD, DL, VT, MulVal, DAG.getZExtOrTrunc(N1, DL, VT));
+    return DAG.getNode(ISD::ADD, DL, VT, MulVal,
+                       DAG.getZExtOrTrunc(N1, DL, VT));
   }
 
   if (SDValue MulOper = IsFoldableAdd(N1)) {
     SDValue MulVal = DAG.getNode(N->getOpcode(), DL, VT, N0, MulOper);
-    return DAG.getNode(ISD::ADD, DL, VT, MulVal, DAG.getZExtOrTrunc(N0, DL, VT));
+    return DAG.getNode(ISD::ADD, DL, VT, MulVal,
+                       DAG.getZExtOrTrunc(N0, DL, VT));
   }
 
   // Skip if already mul24.

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https://github.com/llvm/llvm-project/pull/79110


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