[llvm] 494dee0 - InstSimplify: Use isKnownNeverInfOrNaN

[Matt Arsenault via llvm-commits]

Author: Matt Arsenault
Date: 2023-05-18T23:29:47+01:00
New Revision: 494dee0f7a7701a57f7c5b755b4133844d0dcbdf

URL: https://github.com/llvm/llvm-project/commit/494dee0f7a7701a57f7c5b755b4133844d0dcbdf
DIFF: https://github.com/llvm/llvm-project/commit/494dee0f7a7701a57f7c5b755b4133844d0dcbdf.diff

LOG: InstSimplify: Use isKnownNeverInfOrNaN

Added: 
    

Modified: 
    llvm/lib/Analysis/InstructionSimplify.cpp

Removed: 
    


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diff  --git a/llvm/lib/Analysis/InstructionSimplify.cpp b/llvm/lib/Analysis/InstructionSimplify.cpp
index e3cd9fd9d227..2b78b2b20472 100644
--- a/llvm/lib/Analysis/InstructionSimplify.cpp
+++ b/llvm/lib/Analysis/InstructionSimplify.cpp
@@ -4084,14 +4084,10 @@ static Value *simplifyFCmpInst(unsigned Predicate, Value *LHS, Value *RHS,
       if (Pred == FCmpInst::FCMP_UNE && isKnownNeverInfinity(LHS, Q.DL, Q.TLI))
         return getTrue(RetTy);
       // LHS == Inf || LHS == NaN
-      if (Pred == FCmpInst::FCMP_UEQ &&
-          isKnownNeverInfinity(LHS, Q.DL, Q.TLI) &&
-          isKnownNeverNaN(LHS, Q.DL, Q.TLI))
+      if (Pred == FCmpInst::FCMP_UEQ && isKnownNeverInfOrNaN(LHS, Q.DL, Q.TLI))
         return getFalse(RetTy);
       // LHS != Inf && LHS != NaN
-      if (Pred == FCmpInst::FCMP_ONE &&
-          isKnownNeverInfinity(LHS, Q.DL, Q.TLI) && // xxxx fixme
-          isKnownNeverNaN(LHS, Q.DL, Q.TLI))
+      if (Pred == FCmpInst::FCMP_ONE && isKnownNeverInfOrNaN(LHS, Q.DL, Q.TLI))
         return getTrue(RetTy);
     }
     if (C->isNegative() && !C->isNegZero()) {