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Make getDISubprogram(const Function *F) available in LLVM

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Reviewed at http://reviews.llvm.org/D5950

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@220536 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Timur Iskhodzhanov
2014-10-23 23:46:28 +00:00
parent 17c1e34c12
commit da45b2bdbd
3 changed files with 24 additions and 24 deletions
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25
lib/Transforms/Scalar/SampleProfile.cpp
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@ -627,29 +627,6 @@ void SampleProfileLoader::propagateWeights(Function &F) {
}
}
/// \brief Locate the DISubprogram for F.
///
/// We look for the first instruction that has a debug annotation
/// leading back to \p F.
///
/// \returns a valid DISubprogram, if found. Otherwise, it returns an empty
/// DISubprogram.
static const DISubprogram getDISubprogram(Function &F, const LLVMContext &Ctx) {
for (auto &BI : F) {
BasicBlock *BB = &BI;
for (auto &Inst : BB->getInstList()) {
DebugLoc DLoc = Inst.getDebugLoc();
if (DLoc.isUnknown())
continue;
const MDNode *Scope = DLoc.getScopeNode(Ctx);
DISubprogram Subprogram = getDISubprogram(Scope);
return Subprogram.describes(&F) ? Subprogram : DISubprogram();
}
}
return DISubprogram();
}
/// \brief Get the line number for the function header.
///
/// This looks up function \p F in the current compilation unit and
@ -662,7 +639,7 @@ static const DISubprogram getDISubprogram(Function &F, const LLVMContext &Ctx) {
/// \returns the line number where \p F is defined. If it returns 0,
/// it means that there is no debug information available for \p F.
unsigned SampleProfileLoader::getFunctionLoc(Function &F) {
const DISubprogram &S = getDISubprogram(F, *Ctx);
DISubprogram S = getDISubprogram(&F);
if (S.isSubprogram())
return S.getLineNumber();