[llvm-branch-commits] [llvm] Prevent optimizations of math intrinsics in strictfp functions (PR #201433)

[Serge Pavlov via llvm-branch-commits]

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@@ -6093,8 +6093,11 @@ static Value *simplifyFMAFMul(Value *Op0, Value *Op1, 
FastMathFlags FMF,
   // 3. Ignore -0.0 because sqrt(-0.0) == -0.0, but -0.0 * -0.0 == 0.0.
   Value *X;
   if (Op0 == Op1 && match(Op0, m_Sqrt(m_Value(X))) && FMF.allowReassoc() &&
-      FMF.noNaNs() && FMF.noSignedZeros())
+      FMF.noNaNs() && FMF.noSignedZeros()) {
+    if (Q.isStrictFP())
----------------
spavloff wrote:

PR with possible implementation of such class: 
[!205138](https://github.com/llvm/llvm-project/pull/205138).

https://github.com/llvm/llvm-project/pull/201433
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