[llvm] r364969 - [NFC] Strenghten isInteger condition for rL364940

[David Bolvansky via llvm-commits]

Author: xbolva00
Date: Tue Jul  2 14:16:34 2019
New Revision: 364969

URL: http://llvm.org/viewvc/llvm-project?rev=364969&view=rev
Log:
[NFC] Strenghten isInteger condition for rL364940

Modified:
    llvm/trunk/lib/Transforms/Utils/SimplifyLibCalls.cpp

Modified: llvm/trunk/lib/Transforms/Utils/SimplifyLibCalls.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Utils/SimplifyLibCalls.cpp?rev=364969&r1=364968&r2=364969&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Utils/SimplifyLibCalls.cpp (original)
+++ llvm/trunk/lib/Transforms/Utils/SimplifyLibCalls.cpp Tue Jul  2 14:16:34 2019
@@ -1543,8 +1543,9 @@ Value *LibCallSimplifier::optimizePow(Ca
 
     APSInt IntExpo(32, /*isUnsigned=*/false);
     // powf(x, C) -> powi(x, C) iff C is a constant signed integer value
-    if (ExpoF->convertToInteger(IntExpo, APFloat::rmTowardZero, &Ignored) ==
-        APFloat::opOK) {
+    if (ExpoF->isInteger() &&
+        ExpoF->convertToInteger(IntExpo, APFloat::rmTowardZero, &Ignored) ==
+            APFloat::opOK) {
       return createPowWithIntegerExponent(
           Base, ConstantInt::get(B.getInt32Ty(), IntExpo), M, B);
     }