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DbgIntrinsicInst: Downcast to specialized MDNodes in accessors

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Change accessors to downcast to `MDLocalVariable` and `MDExpression`,
now that we have -verify checks in place to confirm that it's safe.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@232299 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan P. N. Exon Smith 2015-03-15 01:23:20 +00:00
parent 538fbf66f6
commit 40510a07cf
3 changed files with 24 additions and 6 deletions
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16
include/llvm/IR/IntrinsicInst.h
View File

@ -82,8 +82,12 @@ namespace llvm {
class DbgDeclareInst : public DbgInfoIntrinsic {
public:
Value *getAddress() const;
MDNode *getVariable() const { return cast<MDNode>(getRawVariable()); }
MDNode *getExpression() const { return cast<MDNode>(getRawExpression()); }
MDLocalVariable *getVariable() const {
return cast<MDLocalVariable>(getRawVariable());
}
MDExpression *getExpression() const {
return cast<MDExpression>(getRawExpression());
}
Metadata *getRawVariable() const {
return cast<MetadataAsValue>(getArgOperand(1))->getMetadata();
@ -111,8 +115,12 @@ namespace llvm {
return cast<ConstantInt>(
const_cast<Value*>(getArgOperand(1)))->getZExtValue();
}
MDNode *getVariable() const { return cast<MDNode>(getRawVariable()); }
MDNode *getExpression() const { return cast<MDNode>(getRawExpression()); }
MDLocalVariable *getVariable() const {
return cast<MDLocalVariable>(getRawVariable());
}
MDExpression *getExpression() const {
return cast<MDExpression>(getRawExpression());
}
Metadata *getRawVariable() const {
return cast<MetadataAsValue>(getArgOperand(2))->getMetadata();

10
include/llvm/IR/Metadata.h
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@ -128,6 +128,16 @@ public:
#define HANDLE_METADATA(CLASS) class CLASS;
#include "llvm/IR/Metadata.def"
// Provide specializations of isa so that we don't need definitions of
// subclasses to see if the metadata is a subclass.
#define HANDLE_METADATA_LEAF(CLASS) \
template <> struct isa_impl<CLASS, Metadata> { \
static inline bool doit(const Metadata &MD) { \
return MD.getMetadataID() == Metadata::CLASS##Kind; \
} \
};
#include "llvm/IR/Metadata.def"
inline raw_ostream &operator<<(raw_ostream &OS, const Metadata &MD) {
MD.print(OS);
return OS;

4
lib/IR/Verifier.cpp
View File

@ -3032,8 +3032,8 @@ void Verifier::visitDbgIntrinsic(StringRef Kind, DbgIntrinsicTy &DII) {
DII.getRawExpression());
// Don't call visitMDNode(), since that will recurse through operands.
visitMDLocalVariable(*cast<MDLocalVariable>(DII.getVariable()));
visitMDExpression(*cast<MDExpression>(DII.getExpression()));
visitMDLocalVariable(*DII.getVariable());
visitMDExpression(*DII.getExpression());
}
void DebugInfoVerifier::verifyDebugInfo() {