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-rw-r--r--lib/CodeGen/SelectionDAG/FastISel.cpp93
1 files changed, 13 insertions, 80 deletions
diff --git a/lib/CodeGen/SelectionDAG/FastISel.cpp b/lib/CodeGen/SelectionDAG/FastISel.cpp
index 8e955af..7dbc136 100644
--- a/lib/CodeGen/SelectionDAG/FastISel.cpp
+++ b/lib/CodeGen/SelectionDAG/FastISel.cpp
@@ -43,6 +43,7 @@
#include "llvm/GlobalVariable.h"
#include "llvm/Instructions.h"
#include "llvm/IntrinsicInst.h"
+#include "llvm/LLVMContext.h"
#include "llvm/CodeGen/FastISel.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
@@ -324,82 +325,12 @@ bool FastISel::SelectCall(User *I) {
unsigned IID = F->getIntrinsicID();
switch (IID) {
default: break;
- case Intrinsic::dbg_stoppoint: {
- DbgStopPointInst *SPI = cast<DbgStopPointInst>(I);
- if (isValidDebugInfoIntrinsic(*SPI, CodeGenOpt::None))
- setCurDebugLoc(ExtractDebugLocation(*SPI, MF.getDebugLocInfo()));
+ case Intrinsic::dbg_stoppoint:
+ case Intrinsic::dbg_region_start:
+ case Intrinsic::dbg_region_end:
+ case Intrinsic::dbg_func_start:
+ // FIXME - Remove this instructions once the dust settles.
return true;
- }
- case Intrinsic::dbg_region_start: {
- DbgRegionStartInst *RSI = cast<DbgRegionStartInst>(I);
- if (isValidDebugInfoIntrinsic(*RSI, CodeGenOpt::None) && DW
- && DW->ShouldEmitDwarfDebug()) {
- unsigned ID =
- DW->RecordRegionStart(RSI->getContext());
- const TargetInstrDesc &II = TII.get(TargetInstrInfo::DBG_LABEL);
- BuildMI(MBB, DL, II).addImm(ID);
- }
- return true;
- }
- case Intrinsic::dbg_region_end: {
- DbgRegionEndInst *REI = cast<DbgRegionEndInst>(I);
- if (isValidDebugInfoIntrinsic(*REI, CodeGenOpt::None) && DW
- && DW->ShouldEmitDwarfDebug()) {
- unsigned ID = 0;
- DISubprogram Subprogram(REI->getContext());
- if (isInlinedFnEnd(*REI, MF.getFunction())) {
- // This is end of an inlined function.
- const TargetInstrDesc &II = TII.get(TargetInstrInfo::DBG_LABEL);
- ID = DW->RecordInlinedFnEnd(Subprogram);
- if (ID)
- // Returned ID is 0 if this is unbalanced "end of inlined
- // scope". This could happen if optimizer eats dbg intrinsics
- // or "beginning of inlined scope" is not recoginized due to
- // missing location info. In such cases, ignore this region.end.
- BuildMI(MBB, DL, II).addImm(ID);
- } else {
- const TargetInstrDesc &II = TII.get(TargetInstrInfo::DBG_LABEL);
- ID = DW->RecordRegionEnd(REI->getContext());
- BuildMI(MBB, DL, II).addImm(ID);
- }
- }
- return true;
- }
- case Intrinsic::dbg_func_start: {
- DbgFuncStartInst *FSI = cast<DbgFuncStartInst>(I);
- if (!isValidDebugInfoIntrinsic(*FSI, CodeGenOpt::None) || !DW
- || !DW->ShouldEmitDwarfDebug())
- return true;
-
- if (isInlinedFnStart(*FSI, MF.getFunction())) {
- // This is a beginning of an inlined function.
-
- // If llvm.dbg.func.start is seen in a new block before any
- // llvm.dbg.stoppoint intrinsic then the location info is unknown.
- // FIXME : Why DebugLoc is reset at the beginning of each block ?
- DebugLoc PrevLoc = DL;
- if (PrevLoc.isUnknown())
- return true;
- // Record the source line.
- setCurDebugLoc(ExtractDebugLocation(*FSI, MF.getDebugLocInfo()));
-
- DebugLocTuple PrevLocTpl = MF.getDebugLocTuple(PrevLoc);
- DISubprogram SP(FSI->getSubprogram());
- unsigned LabelID =
- DW->RecordInlinedFnStart(SP,DICompileUnit(PrevLocTpl.Scope),
- PrevLocTpl.Line, PrevLocTpl.Col);
- const TargetInstrDesc &II = TII.get(TargetInstrInfo::DBG_LABEL);
- BuildMI(MBB, DL, II).addImm(LabelID);
- return true;
- }
-
- // This is a beginning of a new function.
- MF.setDefaultDebugLoc(ExtractDebugLocation(*FSI, MF.getDebugLocInfo()));
-
- // llvm.dbg.func_start also defines beginning of function scope.
- DW->RecordRegionStart(FSI->getSubprogram());
- return true;
- }
case Intrinsic::dbg_declare: {
DbgDeclareInst *DI = cast<DbgDeclareInst>(I);
if (!isValidDebugInfoIntrinsic(*DI, CodeGenOpt::None) || !DW
@@ -416,11 +347,13 @@ bool FastISel::SelectCall(User *I) {
StaticAllocaMap.find(AI);
if (SI == StaticAllocaMap.end()) break; // VLAs.
int FI = SI->second;
- if (MMI)
- MMI->setVariableDbgInfo(DI->getVariable(), FI);
-#ifndef ATTACH_DEBUG_INFO_TO_AN_INSN
- DW->RecordVariable(DI->getVariable(), FI);
-#endif
+ if (MMI) {
+ MetadataContext &TheMetadata =
+ DI->getParent()->getContext().getMetadata();
+ unsigned MDDbgKind = TheMetadata.getMDKind("dbg");
+ MDNode *Dbg = TheMetadata.getMD(MDDbgKind, DI);
+ MMI->setVariableDbgInfo(DI->getVariable(), FI, Dbg);
+ }
return true;
}
case Intrinsic::eh_exception: {
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