[llvm] 93ce855 - 2nd attempt at a speculative fix for windows builders after d4648eea

[Philip Reames via llvm-commits]

Author: Philip Reames
Date: 2021-03-22T10:32:57-07:00
New Revision: 93ce855d4b7b38fcf4d7c60dd282b407dc2549a3

URL: https://github.com/llvm/llvm-project/commit/93ce855d4b7b38fcf4d7c60dd282b407dc2549a3
DIFF: https://github.com/llvm/llvm-project/commit/93ce855d4b7b38fcf4d7c60dd282b407dc2549a3.diff

LOG: 2nd attempt at a speculative fix for windows builders after d4648eea

Added: 
    

Modified: 
    llvm/lib/Analysis/ScalarEvolution.cpp

Removed: 
    


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diff  --git a/llvm/lib/Analysis/ScalarEvolution.cpp b/llvm/lib/Analysis/ScalarEvolution.cpp
index 69ed54653be0..e8f0e242ef42 100644
--- a/llvm/lib/Analysis/ScalarEvolution.cpp
+++ b/llvm/lib/Analysis/ScalarEvolution.cpp
@@ -5699,7 +5699,7 @@ getRangeForUnknownRecurrence(const SCEVUnknown *U) {
 
   // Compute total shift amount, being careful of overflow and bitwidths.
   auto MaxShiftAmt = KnownStep.getMaxValue();
-  APInt TCAP(BitWidth, TC-1, false);
+  APInt TCAP(BitWidth, TC-1);
   bool Overflow = false;
   auto TotalShift = MaxShiftAmt.umul_ov(TCAP, Overflow);
   if (Overflow)