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Allow forward declarations to take a context. This helps the debugger

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find forward declarations in the context that the actual definition
will occur.

rdar://11291658

llvm-svn: 155380
This commit is contained in:
Eric Christopher 2012-04-23 19:00:11 +00:00
parent c442bad8f8
commit 3a0516567a
2 changed files with 10 additions and 9 deletions
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4
include/llvm/Analysis/DIBuilder.h
View File

@ -348,8 +348,8 @@ namespace llvm {
DIType createTemporaryType(DIFile F);
/// createForwardDecl - Create a temporary forward-declared type.
DIType createForwardDecl(unsigned Tag, StringRef Name, DIFile F,
unsigned Line, unsigned RuntimeLang = 0);
DIType createForwardDecl(unsigned Tag, StringRef Name, DIDescriptor Scope,
DIFile F, unsigned Line, unsigned RuntimeLang = 0);
/// retainType - Retain DIType in a module even if it is not referenced
/// through debug info anchors.

15
lib/Analysis/DIBuilder.cpp
View File

@ -47,16 +47,16 @@ void DIBuilder::finalize() {
DIType(TempSubprograms).replaceAllUsesWith(SPs);
for (unsigned i = 0, e = SPs.getNumElements(); i != e; ++i) {
DISubprogram SP(SPs.getElement(i));
SmallVector<Value *, 4> Variables;
if (NamedMDNode *NMD = getFnSpecificMDNode(M, SP)) {
SmallVector<Value *, 4> Variables;
for (unsigned ii = 0, ee = NMD->getNumOperands(); ii != ee; ++ii)
Variables.push_back(NMD->getOperand(ii));
if (MDNode *Temp = SP.getVariablesNodes()) {
DIArray AV = getOrCreateArray(Variables);
DIType(Temp).replaceAllUsesWith(AV);
}
NMD->eraseFromParent();
}
if (MDNode *Temp = SP.getVariablesNodes()) {
DIArray AV = getOrCreateArray(Variables);
DIType(Temp).replaceAllUsesWith(AV);
}
}
DIArray GVs = getOrCreateArray(AllGVs);
@ -677,12 +677,13 @@ DIType DIBuilder::createTemporaryType(DIFile F) {
/// createForwardDecl - Create a temporary forward-declared type that
/// can be RAUW'd if the full type is seen.
DIType DIBuilder::createForwardDecl(unsigned Tag, StringRef Name, DIFile F,
DIType DIBuilder::createForwardDecl(unsigned Tag, StringRef Name,
DIDescriptor Scope, DIFile F,
unsigned Line, unsigned RuntimeLang) {
// Create a temporary MDNode.
Value *Elts[] = {
GetTagConstant(VMContext, Tag),
NULL, // TheCU
getNonCompileUnitScope(Scope),
MDString::get(VMContext, Name),
F,
ConstantInt::get(Type::getInt32Ty(VMContext), Line),