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Verify the predicates on icmp/fcmp. Suggested by Jeff Yasskin!

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111787 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nick Lewycky 2010-08-22 23:45:14 +00:00
parent 24a1182184
commit 55e97d47c4
1 changed files with 15 additions and 6 deletions
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21
lib/VMCore/Verifier.cpp
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@ -1282,28 +1282,37 @@ void Verifier::visitBinaryOperator(BinaryOperator &B) {
visitInstruction(B);
}
void Verifier::visitICmpInst(ICmpInst& IC) {
void Verifier::visitICmpInst(ICmpInst &IC) {
// Check that the operands are the same type
const Type* Op0Ty = IC.getOperand(0)->getType();
const Type* Op1Ty = IC.getOperand(1)->getType();
const Type *Op0Ty = IC.getOperand(0)->getType();
const Type *Op1Ty = IC.getOperand(1)->getType();
Assert1(Op0Ty == Op1Ty,
"Both operands to ICmp instruction are not of the same type!", &IC);
// Check that the operands are the right type
Assert1(Op0Ty->isIntOrIntVectorTy() || Op0Ty->isPointerTy(),
"Invalid operand types for ICmp instruction", &IC);
// Check that the predicate is valid.
Assert1(IC.getPredicate() >= CmpInst::FIRST_ICMP_PREDICATE &&
IC.getPredicate() <= CmpInst::LAST_ICMP_PREDICATE,
"Invalid predicate in ICmp instruction!", &IC);
visitInstruction(IC);
}
void Verifier::visitFCmpInst(FCmpInst& FC) {
void Verifier::visitFCmpInst(FCmpInst &FC) {
// Check that the operands are the same type
const Type* Op0Ty = FC.getOperand(0)->getType();
const Type* Op1Ty = FC.getOperand(1)->getType();
const Type *Op0Ty = FC.getOperand(0)->getType();
const Type *Op1Ty = FC.getOperand(1)->getType();
Assert1(Op0Ty == Op1Ty,
"Both operands to FCmp instruction are not of the same type!", &FC);
// Check that the operands are the right type
Assert1(Op0Ty->isFPOrFPVectorTy(),
"Invalid operand types for FCmp instruction", &FC);
// Check that the predicate is valid.
Assert1(FC.getPredicate() >= CmpInst::FIRST_FCMP_PREDICATE &&
FC.getPredicate() <= CmpInst::LAST_FCMP_PREDICATE,
"Invalid predicate in FCmp instruction!", &FC);
visitInstruction(FC);
}