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path: root/clang/lib/StaticAnalyzer/Core/LoopUnrolling.cpp
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Diffstat (limited to 'clang/lib/StaticAnalyzer/Core/LoopUnrolling.cpp')
-rw-r--r--clang/lib/StaticAnalyzer/Core/LoopUnrolling.cpp8
1 files changed, 4 insertions, 4 deletions
diff --git a/clang/lib/StaticAnalyzer/Core/LoopUnrolling.cpp b/clang/lib/StaticAnalyzer/Core/LoopUnrolling.cpp
index 96f5d7c44baf..01d87b02fcdb 100644
--- a/clang/lib/StaticAnalyzer/Core/LoopUnrolling.cpp
+++ b/clang/lib/StaticAnalyzer/Core/LoopUnrolling.cpp
@@ -283,10 +283,10 @@ static bool shouldCompletelyUnroll(const Stmt *LoopStmt, ASTContext &ASTCtx,
llvm::APInt InitNum =
Matches[0].getNodeAs<IntegerLiteral>("initNum")->getValue();
auto CondOp = Matches[0].getNodeAs<BinaryOperator>("conditionOperator");
- if (InitNum.getBitWidth() != BoundNum.getBitWidth()) {
- InitNum = InitNum.zext(BoundNum.getBitWidth());
- BoundNum = BoundNum.zext(InitNum.getBitWidth());
- }
+ unsigned MaxWidth = std::max(InitNum.getBitWidth(), BoundNum.getBitWidth());
+
+ InitNum = InitNum.zext(MaxWidth);
+ BoundNum = BoundNum.zext(MaxWidth);
if (CondOp->getOpcode() == BO_GE || CondOp->getOpcode() == BO_LE)
maxStep = (BoundNum - InitNum + 1).abs().getZExtValue();