[llvm] [ExpandLargeFpConvert] Fix incorrect value in fp-to-int conversion. (PR #86514)

[Matt Arsenault via llvm-commits]

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@@ -176,8 +176,8 @@ static void expandFPToI(Instruction *FPToI) {
   Builder.SetInsertPoint(IfEnd);
   Value *Add1 = Builder.CreateAdd(
       And2, ConstantInt::getSigned(IntTy, -int64_t(ExponentBias + BitWidth)));
-  Value *Cmp3 =
-      Builder.CreateICmpULT(Add1, ConstantInt::getSigned(IntTy, -BitWidth));
+  Value *Cmp3 = Builder.CreateICmpULT(
+      Add1, ConstantInt::getSigned(IntTy, -int64_t(BitWidth)));
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arsenm wrote:

Prefer using static_cast<int64_t> 

https://github.com/llvm/llvm-project/pull/86514