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Fixup for r165490: Use DenseMap instead of std::map. Simplify the loop in CollectFunctionDIs.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165498 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alexey Samsonov
2012-10-09 10:34:52 +00:00
parent 943c29135e
commit 942895d371
1 changed files with 16 additions and 13 deletions
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29
lib/Transforms/IPO/DeadArgumentElimination.cpp
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@@ -32,6 +32,7 @@
#include "llvm/Support/CallSite.h" #include "llvm/Support/CallSite.h"
#include "llvm/Support/Debug.h" #include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h" #include "llvm/Support/raw_ostream.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/SmallVector.h" #include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/Statistic.h" #include "llvm/ADT/Statistic.h"
#include "llvm/ADT/StringExtras.h" #include "llvm/ADT/StringExtras.h"
@@ -129,7 +130,7 @@ namespace {
// As the code generation for module is finished (and DIBuilder is // As the code generation for module is finished (and DIBuilder is
// finalized) we assume that subprogram descriptors won't be changed, and // finalized) we assume that subprogram descriptors won't be changed, and
// they are stored in map for short duration anyway. // they are stored in map for short duration anyway.
typedef std::map<Function*, DISubprogram> FunctionDIMap; typedef DenseMap<Function*, DISubprogram> FunctionDIMap;
FunctionDIMap FunctionDIs; FunctionDIMap FunctionDIs;
protected: protected:
@@ -200,18 +201,20 @@ void DAE::CollectFunctionDIs(Module &M) {
for (Module::named_metadata_iterator I = M.named_metadata_begin(), for (Module::named_metadata_iterator I = M.named_metadata_begin(),
E = M.named_metadata_end(); I != E; ++I) { E = M.named_metadata_end(); I != E; ++I) {
NamedMDNode &NMD = *I; NamedMDNode &NMD = *I;
for (unsigned i = 0, n = NMD.getNumOperands(); i < n; ++i) { for (unsigned MDIndex = 0, MDNum = NMD.getNumOperands();
MDNode *Node = NMD.getOperand(i); MDIndex < MDNum; ++MDIndex) {
if (DIDescriptor(Node).isCompileUnit()) { MDNode *Node = NMD.getOperand(MDIndex);
DICompileUnit CU(Node); if (!DIDescriptor(Node).isCompileUnit())
const DIArray &SPs = CU.getSubprograms(); continue;
for (unsigned i = 0, n = SPs.getNumElements(); i < n; ++i) { DICompileUnit CU(Node);
DISubprogram SP(SPs.getElement(i)); const DIArray &SPs = CU.getSubprograms();
if (SP.Verify()) { for (unsigned SPIndex = 0, SPNum = SPs.getNumElements();
if (Function *F = SP.getFunction()) SPIndex < SPNum; ++SPIndex) {
FunctionDIs[F] = SP; DISubprogram SP(SPs.getElement(SPIndex));
} if (!SP.Verify())
} continue;
if (Function *F = SP.getFunction())
FunctionDIs[F] = SP;
} }
} }
} }