[llvm-commits] [llvm] r100117 - /llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
Devang Patel
dpatel at apple.com
Thu Apr 1 10:32:01 PDT 2010
Author: dpatel
Date: Thu Apr 1 12:32:01 2010
New Revision: 100117
URL: http://llvm.org/viewvc/llvm-project?rev=100117&view=rev
Log:
Skip instructions until new scope is seen.
Modified:
llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp?rev=100117&r1=100116&r2=100117&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp Thu Apr 1 12:32:01 2010
@@ -2146,6 +2146,8 @@
DenseMap<const MachineInstr *, unsigned> MIIndexMap;
unsigned MIIndex = 0;
+ MDNode *PrevScope = NULL;
+ MDNode *PrevInlinedAt = NULL;
// Scan each instruction and create scopes. First build working set of scopes.
for (MachineFunction::const_iterator I = MF->begin(), E = MF->end();
I != E; ++I) {
@@ -2159,17 +2161,23 @@
if (DL.isUnknown()) continue;
DILocation DLT = MF->getDILocation(DL);
DIScope DLTScope = DLT.getScope();
- if (!DLTScope.getNode()) continue;
+ MDNode *NewScope = DLTScope.getNode();
+ if (!NewScope) continue;
// There is no need to create another DIE for compile unit. For all
// other scopes, create one DbgScope now. This will be translated
// into a scope DIE at the end.
if (DLTScope.isCompileUnit()) continue;
- createDbgScope(DLTScope.getNode(), DLT.getOrigLocation().getNode());
+ MDNode *NewInlinedAt = DLT.getOrigLocation().getNode();
+ if (NewScope == PrevScope && NewInlinedAt == PrevInlinedAt) continue;
+ createDbgScope(NewScope, NewInlinedAt);
+ PrevScope = NewScope;
+ PrevInlinedAt = NewInlinedAt;
}
}
-
// Build scope hierarchy using working set of scopes.
+ PrevScope = NULL;
+ PrevInlinedAt = NULL;
for (MachineFunction::const_iterator I = MF->begin(), E = MF->end();
I != E; ++I) {
for (MachineBasicBlock::const_iterator II = I->begin(), IE = I->end();
@@ -2181,14 +2189,18 @@
if (DL.isUnknown()) continue;
DILocation DLT = MF->getDILocation(DL);
DIScope DLTScope = DLT.getScope();
- if (!DLTScope.getNode()) continue;
+ MDNode *NewScope = DLTScope.getNode();
+ if (!NewScope) continue;
// There is no need to create another DIE for compile unit. For all
// other scopes, create one DbgScope now. This will be translated
// into a scope DIE at the end.
if (DLTScope.isCompileUnit()) continue;
- DbgScope *Scope = getUpdatedDbgScope(DLTScope.getNode(), MInsn,
- DLT.getOrigLocation().getNode());
+ MDNode *NewInlinedAt = DLT.getOrigLocation().getNode();
+ if (NewScope == PrevScope && NewInlinedAt == PrevInlinedAt) continue;
+ DbgScope *Scope = getUpdatedDbgScope(NewScope, MInsn, NewInlinedAt);
Scope->setLastInsn(MInsn);
+ PrevScope = NewScope;
+ PrevInlinedAt = NewInlinedAt;
}
}
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