[llvm-branch-commits] [llvm] InstCombine: Handle fmul in SimplifyDemandedFPClass (PR #173872)

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Tue Dec 30 10:42:48 PST 2025


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``````````bash
git-clang-format --diff origin/main HEAD --extensions h,cpp -- llvm/include/llvm/Support/KnownFPClass.h llvm/lib/Analysis/ValueTracking.cpp llvm/lib/Support/KnownFPClass.cpp llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp --diff_from_common_commit
``````````

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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp b/llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp
index 6de3ad70d..9799ddacd 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp
@@ -2291,7 +2291,8 @@ Value *InstCombinerImpl::SimplifyDemandedUseFPClass(Value *V,
     Value *X = I->getOperand(0);
     Value *Y = I->getOperand(1);
 
-    FPClassTest SrcDemandedMask = DemandedMask & (fcNan | fcZero | fcSubnormal | fcNormal);
+    FPClassTest SrcDemandedMask =
+        DemandedMask & (fcNan | fcZero | fcSubnormal | fcNormal);
 
     if (DemandedMask & fcInf) {
       // mul x, inf = inf

``````````

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https://github.com/llvm/llvm-project/pull/173872


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