[PATCH] D67434: [InstCombine] Limit FMul constant folding for fma simplifications.

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri added inline comments.


================
Comment at: llvm/test/Transforms/InstCombine/fma.ll:502-511
+define <2 x double> @fmuladd_const_fmul(<2 x double> %b) {
+; CHECK-LABEL: @fmuladd_const_fmul(
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    [[RES:%.*]] = fadd nnan nsz <2 x double> [[B:%.*]], <double 0x3F8DB6C076AD949B, double 0x3FB75A405B6E6D69>
+; CHECK-NEXT:    ret <2 x double> [[RES]]
+;
+entry:
----------------
I don't think this restriction should apply to `@llvm.fmuladd`, as per https://llvm.org/docs/LangRef.html#llvm-fmuladd-intrinsic


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D67434/new/

https://reviews.llvm.org/D67434