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Add DWARF discriminator support to DILexicalBlocks.

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This adds support for emitting discriminators from DILexicalBlocks.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202736 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Diego Novillo
2014-03-03 18:53:17 +00:00
parent 98b5aaeebb
commit 6f8c0c0613
7 changed files with 84 additions and 10 deletions
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4
lib/IR/DIBuilder.cpp
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@ -1186,7 +1186,8 @@ DILexicalBlockFile DIBuilder::createLexicalBlockFile(DIDescriptor Scope,
}
DILexicalBlock DIBuilder::createLexicalBlock(DIDescriptor Scope, DIFile File,
unsigned Line, unsigned Col) {
unsigned Line, unsigned Col,
unsigned Discriminator) {
// Defeat MDNode uniquing for lexical blocks by using unique id.
static unsigned int unique_id = 0;
Value *Elts[] = {
@ -1195,6 +1196,7 @@ DILexicalBlock DIBuilder::createLexicalBlock(DIDescriptor Scope, DIFile File,
getNonCompileUnitScope(Scope),
ConstantInt::get(Type::getInt32Ty(VMContext), Line),
ConstantInt::get(Type::getInt32Ty(VMContext), Col),
ConstantInt::get(Type::getInt32Ty(VMContext), Discriminator),
ConstantInt::get(Type::getInt32Ty(VMContext), unique_id++)
};
DILexicalBlock R(MDNode::get(VMContext, Elts));