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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 ace063a399..0aa673f355 100644
--- a/lib/Analysis/ScalarEvolution.cpp
+++ b/lib/Analysis/ScalarEvolution.cpp
@@ -2015,7 +2015,7 @@ SCEVHandle ScalarEvolutionsImpl::createSCEV(Value *V) {
if (Instruction *L = dyn_cast<Instruction>(U->getOperand(0)))
if (L->getOpcode() == Instruction::Shl &&
L->getOperand(1) == U->getOperand(1)) {
- uint64_t Amt = CI->getZExtValue();
+ uint64_t Amt = getTypeSizeInBits(U->getType()) - CI->getZExtValue();
return
SE.getSignExtendExpr(SE.getTruncateExpr(getSCEV(L->getOperand(0)),
IntegerType::get(Amt)),