PR5207: Change APInt methods trunc(), sext(), zext(), sextOrTrunc() and
zextOrTrunc(), and APSInt methods extend(), extOrTrunc() and new method
trunc(), to be const and to return a new value instead of modifying the
object in place.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@121121 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/ExprConstant.cpp b/lib/AST/ExprConstant.cpp
index 7479d9d..4599818 100644
--- a/lib/AST/ExprConstant.cpp
+++ b/lib/AST/ExprConstant.cpp
@@ -220,7 +220,7 @@
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.extOrTrunc(DestWidth);
+ Result = Result.extOrTrunc(DestWidth);
Result.setIsUnsigned(DestType->isUnsignedIntegerType());
return Result;
}
@@ -587,7 +587,7 @@
break;
if (Value.isInt()) {
- Value.getInt().extOrTrunc((unsigned)Info.Ctx.getTypeSize(E->getType()));
+ Value.getInt() = Value.getInt().extOrTrunc((unsigned)Info.Ctx.getTypeSize(E->getType()));
Result.Base = 0;
Result.Offset = CharUnits::fromQuantity(Value.getInt().getZExtValue());
return true;
@@ -731,8 +731,7 @@
llvm::SmallVector<APValue, 4> Elts;
for (unsigned i = 0; i != NElts; ++i) {
- APSInt Tmp = Init;
- Tmp.extOrTrunc(EltWidth);
+ APSInt Tmp = Init.extOrTrunc(EltWidth);
if (EltTy->isIntegerType())
Elts.push_back(APValue(Tmp));