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Fix PR2060 by rejecting invalid types for integer constants.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47311 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2008-02-19 04:36:07 +00:00
parent fa113f8155
commit 689e8b294e
2 changed files with 21 additions and 11 deletions
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26
lib/AsmParser/llvmAsmParser.y
View File

@ -378,7 +378,8 @@ static Value *getExistingVal(const Type *Ty, const ValID &D) {
// Check to make sure that "Ty" is an integral type, and that our
// value will fit into the specified type...
case ValID::ConstSIntVal: // Is it a constant pool reference??
if (!ConstantInt::isValueValidForType(Ty, D.ConstPool64)) {
if (!isa<IntegerType>(Ty) ||
!ConstantInt::isValueValidForType(Ty, D.ConstPool64)) {
GenerateError("Signed integral constant '" +
itostr(D.ConstPool64) + "' is invalid for type '" +
Ty->getDescription() + "'");
@ -387,20 +388,23 @@ static Value *getExistingVal(const Type *Ty, const ValID &D) {
return ConstantInt::get(Ty, D.ConstPool64, true);
case ValID::ConstUIntVal: // Is it an unsigned const pool reference?
if (!ConstantInt::isValueValidForType(Ty, D.UConstPool64)) {
if (!ConstantInt::isValueValidForType(Ty, D.ConstPool64)) {
GenerateError("Integral constant '" + utostr(D.UConstPool64) +
"' is invalid or out of range");
return 0;
} else { // This is really a signed reference. Transmogrify.
return ConstantInt::get(Ty, D.ConstPool64, true);
}
} else {
if (isa<IntegerType>(Ty) &&
ConstantInt::isValueValidForType(Ty, D.UConstPool64))
return ConstantInt::get(Ty, D.UConstPool64);
if (!isa<IntegerType>(Ty) ||
!ConstantInt::isValueValidForType(Ty, D.ConstPool64)) {
GenerateError("Integral constant '" + utostr(D.UConstPool64) +
"' is invalid or out of range for type '" +
Ty->getDescription() + "'");
return 0;
}
// This is really a signed reference. Transmogrify.
return ConstantInt::get(Ty, D.ConstPool64, true);
case ValID::ConstFPVal: // Is it a floating point const pool reference?
if (!ConstantFP::isValueValidForType(Ty, *D.ConstPoolFP)) {
if (!Ty->isFloatingPoint() ||
!ConstantFP::isValueValidForType(Ty, *D.ConstPoolFP)) {
GenerateError("FP constant invalid for type");
return 0;
}

6
test/Assembler/2008-02-18-IntPointerCrash.ll Normal file
View File

@ -0,0 +1,6 @@
; RUN: not llvm-as %s |& grep {is invalid or}
; PR2060
define i8* @foo() {
ret i8* 0
}