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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136901 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2011-08-04 18:45:38 +00:00
parent a81388fb4a
commit ad90d3a343
1 changed files with 4 additions and 1 deletions
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5
lib/CodeGen/LiveDebugVariables.cpp
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@ -26,6 +26,7 @@
#include "llvm/Metadata.h" #include "llvm/Metadata.h"
#include "llvm/Value.h" #include "llvm/Value.h"
#include "llvm/ADT/IntervalMap.h" #include "llvm/ADT/IntervalMap.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/CodeGen/LiveIntervalAnalysis.h" #include "llvm/CodeGen/LiveIntervalAnalysis.h"
#include "llvm/CodeGen/MachineDominators.h" #include "llvm/CodeGen/MachineDominators.h"
#include "llvm/CodeGen/MachineFunction.h" #include "llvm/CodeGen/MachineFunction.h"
@ -44,6 +45,7 @@ static cl::opt<bool>
EnableLDV("live-debug-variables", cl::init(true), EnableLDV("live-debug-variables", cl::init(true),
cl::desc("Enable the live debug variables pass"), cl::Hidden); cl::desc("Enable the live debug variables pass"), cl::Hidden);
STATISTIC(NumInsertedDebugValues, "Number of DBG_VALUEs inserted");
char LiveDebugVariables::ID = 0; char LiveDebugVariables::ID = 0;
INITIALIZE_PASS_BEGIN(LiveDebugVariables, "livedebugvars", INITIALIZE_PASS_BEGIN(LiveDebugVariables, "livedebugvars",
@ -924,7 +926,7 @@ void UserValue::emitDebugValues(VirtRegMap *VRM, LiveIntervals &LIS,
DEBUG(dbgs() << " BB#" << MBB->getNumber() << '-' << MBBEnd); DEBUG(dbgs() << " BB#" << MBB->getNumber() << '-' << MBBEnd);
insertDebugValue(MBB, Start, LocNo, LIS, TII); insertDebugValue(MBB, Start, LocNo, LIS, TII);
++NumInsertedDebugValues;
// This interval may span multiple basic blocks. // This interval may span multiple basic blocks.
// Insert a DBG_VALUE into each one. // Insert a DBG_VALUE into each one.
while(Stop > MBBEnd) { while(Stop > MBBEnd) {
@ -935,6 +937,7 @@ void UserValue::emitDebugValues(VirtRegMap *VRM, LiveIntervals &LIS,
MBBEnd = LIS.getMBBEndIdx(MBB); MBBEnd = LIS.getMBBEndIdx(MBB);
DEBUG(dbgs() << " BB#" << MBB->getNumber() << '-' << MBBEnd); DEBUG(dbgs() << " BB#" << MBB->getNumber() << '-' << MBBEnd);
insertDebugValue(MBB, Start, LocNo, LIS, TII); insertDebugValue(MBB, Start, LocNo, LIS, TII);
++NumInsertedDebugValues;
} }
DEBUG(dbgs() << '\n'); DEBUG(dbgs() << '\n');
if (MBB == MFEnd) if (MBB == MFEnd)