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| author | Richard Smith <richard-llvm@metafoo.co.uk> | 2018-11-12 20:11:57 +0000 |
|---|---|---|
| committer | Richard Smith <richard-llvm@metafoo.co.uk> | 2018-11-12 20:11:57 +0000 |
| commit | bd844e0de7aca247ec0a1a6ecd2742d99a86d15d (patch) | |
| tree | 52be3d6035113a40dc3b16167fe9954fefc0f1d0 /clang/lib/AST/ExprConstant.cpp | |
| parent | b8d8db30ea54a9394e5387410d98fcaae6cd7336 (diff) | |
| download | llvm-bd844e0de7aca247ec0a1a6ecd2742d99a86d15d.zip llvm-bd844e0de7aca247ec0a1a6ecd2742d99a86d15d.tar.gz llvm-bd844e0de7aca247ec0a1a6ecd2742d99a86d15d.tar.bz2 | |
PR39628 Treat all non-zero values as 'true' in bool compound-assignment
in constant evaluation, not just odd values.
llvm-svn: 346699
Diffstat (limited to 'clang/lib/AST/ExprConstant.cpp')
| -rw-r--r-- | clang/lib/AST/ExprConstant.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/clang/lib/AST/ExprConstant.cpp b/clang/lib/AST/ExprConstant.cpp index 3080056..b0dc7d4 100644 --- a/clang/lib/AST/ExprConstant.cpp +++ b/clang/lib/AST/ExprConstant.cpp @@ -2074,11 +2074,12 @@ static APSInt HandleIntToIntCast(EvalInfo &Info, const Expr *E, QualType DestType, QualType SrcType, const APSInt &Value) { unsigned DestWidth = Info.Ctx.getIntWidth(DestType); - APSInt Result = Value; // Figure out if this is a truncate, extend or noop cast. // If the input is signed, do a sign extend, noop, or truncate. - Result = Result.extOrTrunc(DestWidth); + APSInt Result = Value.extOrTrunc(DestWidth); Result.setIsUnsigned(DestType->isUnsignedIntegerOrEnumerationType()); + if (DestType->isBooleanType()) + Result = Value.getBoolValue(); return Result; } |