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-rw-r--r--lib/Analysis/ScalarEvolution.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Analysis/ScalarEvolution.cpp b/lib/Analysis/ScalarEvolution.cpp
index fdfda32ee4..f84c9e9859 100644
--- a/lib/Analysis/ScalarEvolution.cpp
+++ b/lib/Analysis/ScalarEvolution.cpp
@@ -1984,7 +1984,7 @@ SolveQuadraticEquation(const SCEVAddRecExpr *AddRec) {
cast<ConstantUInt>(ConstantExpr::getCast(SqrtTerm,
SqrtTerm->getType()->getUnsignedVersion()));
uint64_t SqrtValV = SqrtVal->getValue();
- uint64_t SqrtValV2 = (uint64_t)sqrt(SqrtValV);
+ uint64_t SqrtValV2 = (uint64_t)sqrt((double)SqrtValV);
// The square root might not be precise for arbitrary 64-bit integer
// values. Do some sanity checks to ensure it's correct.
if (SqrtValV2*SqrtValV2 > SqrtValV ||