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Revert "Reapply "DebugInfo: Ensure that all debug location scope chains from instructions within a function, lead to the function itself.""

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This reverts commit r212776.

Nope, still seems to be failing on the sanitizer bots... but hey, not
the msan self-host anymore, it's failing in asan now. I'll start looking
there next.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@212793 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Blaikie
2014-07-11 02:42:57 +00:00
parent 9853f94520
commit 181826c623
3 changed files with 4 additions and 34 deletions
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lib/CodeGen/LexicalScopes.cpp
+2 -7
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@@ -137,8 +137,6 @@ LexicalScope *LexicalScopes::findLexicalScope(DebugLoc DL) {
/// getOrCreateLexicalScope - Find lexical scope for the given DebugLoc. If
/// not available then create new lexical scope.
LexicalScope *LexicalScopes::getOrCreateLexicalScope(DebugLoc DL) {
if (DL.isUnknown())
return nullptr;
MDNode *Scope = nullptr;
MDNode *InlinedAt = nullptr;
DL.getScopeAndInlinedAt(Scope, InlinedAt, MF->getFunction()->getContext());
@@ -174,12 +172,9 @@ LexicalScope *LexicalScopes::getOrCreateRegularScope(MDNode *Scope) {
std::make_tuple(Parent, DIDescriptor(Scope),
nullptr, false)).first;
if (!Parent) {
assert(DIDescriptor(Scope).isSubprogram());
assert(DISubprogram(Scope).describes(MF->getFunction()));
assert(!CurrentFnLexicalScope);
if (!Parent && DIDescriptor(Scope).isSubprogram() &&
DISubprogram(Scope).describes(MF->getFunction()))
CurrentFnLexicalScope = &I->second;
}
return &I->second;
}