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PR5207: Change APInt methods trunc(), sext(), zext(), sextOrTrunc() and

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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/llvm/trunk@121120 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jay Foad
2010-12-07 08:25:19 +00:00
parent 0ea112f104
commit 40f8f6264d
25 changed files with 219 additions and 251 deletions
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6
lib/AsmParser/LLLexer.cpp
View File

@@ -682,7 +682,7 @@ lltok::Kind LLLexer::LexIdentifier() {
APInt Tmp(bits, StringRef(TokStart+3, len), 16);
uint32_t activeBits = Tmp.getActiveBits();
if (activeBits > 0 && activeBits < bits)
Tmp.trunc(activeBits);
Tmp = Tmp.trunc(activeBits);
APSIntVal = APSInt(Tmp, TokStart[0] == 'u');
return lltok::APSInt;
}
@@ -809,12 +809,12 @@ lltok::Kind LLLexer::LexDigitOrNegative() {
if (TokStart[0] == '-') {
uint32_t minBits = Tmp.getMinSignedBits();
if (minBits > 0 && minBits < numBits)
Tmp.trunc(minBits);
Tmp = Tmp.trunc(minBits);
APSIntVal = APSInt(Tmp, false);
} else {
uint32_t activeBits = Tmp.getActiveBits();
if (activeBits > 0 && activeBits < numBits)
Tmp.trunc(activeBits);
Tmp = Tmp.trunc(activeBits);
APSIntVal = APSInt(Tmp, true);
}
return lltok::APSInt;

2
lib/AsmParser/LLParser.cpp
View File

@@ -2575,7 +2575,7 @@ bool LLParser::ConvertValIDToValue(const Type *Ty, ValID &ID, Value *&V,
case ValID::t_APSInt:
if (!Ty->isIntegerTy())
return Error(ID.Loc, "integer constant must have integer type");
ID.APSIntVal.extOrTrunc(Ty->getPrimitiveSizeInBits());
ID.APSIntVal = ID.APSIntVal.extOrTrunc(Ty->getPrimitiveSizeInBits());
V = ConstantInt::get(Context, ID.APSIntVal);
return false;
case ValID::t_APFloat: