commit 48c7fa21a3b5e491bdf0ffc41fe7aa9687450c5f
author Devang Patel <dpatel@apple.com> Mon Apr 13 18:13:16 2009 +0000
committer Devang Patel <dpatel@apple.com> Mon Apr 13 18:13:16 2009 +0000
tree 05d4b47e7162da921a8539db4fb80c1fe9acaff6
parent 0f7fef3872a37d09c806f52f1d03d74ebc73c171

Right now, Debugging information to encode scopes (DW_TAG_lexical_block) relies on DBG_LABEL. Unfortunately this intefers with the quality of optimized code. 
This patch updates dwarf writer to encode scoping information in DWARF only in FastISel mode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68973 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/SelectionDAG/FastISel.cpp

diff --git a/lib/CodeGen/SelectionDAG/FastISel.cpp b/lib/CodeGen/SelectionDAG/FastISel.cpp
index cc425e5..f48ff52 100644
--- a/lib/CodeGen/SelectionDAG/FastISel.cpp
+++ b/lib/CodeGen/SelectionDAG/FastISel.cpp
@@ -326,7 +326,7 @@
   default: break;
   case Intrinsic::dbg_stoppoint: {
     DbgStopPointInst *SPI = cast<DbgStopPointInst>(I);
-    if (DW && DW->ValidDebugInfo(SPI->getContext())) {
+    if (DW && DW->ValidDebugInfo(SPI->getContext(), true)) {
       DICompileUnit CU(cast<GlobalVariable>(SPI->getContext()));
       std::string Dir, FN;
       unsigned SrcFile = DW->getOrCreateSourceID(CU.getDirectory(Dir),
@@ -343,7 +343,7 @@
   }
   case Intrinsic::dbg_region_start: {
     DbgRegionStartInst *RSI = cast<DbgRegionStartInst>(I);
-    if (DW && DW->ValidDebugInfo(RSI->getContext())) {
+    if (DW && DW->ValidDebugInfo(RSI->getContext(), true)) {
       unsigned ID = 
         DW->RecordRegionStart(cast<GlobalVariable>(RSI->getContext()));
       const TargetInstrDesc &II = TII.get(TargetInstrInfo::DBG_LABEL);
@@ -353,7 +353,7 @@
   }
   case Intrinsic::dbg_region_end: {
     DbgRegionEndInst *REI = cast<DbgRegionEndInst>(I);
-    if (DW && DW->ValidDebugInfo(REI->getContext())) {
+    if (DW && DW->ValidDebugInfo(REI->getContext(), true)) {
       unsigned ID = 
         DW->RecordRegionEnd(cast<GlobalVariable>(REI->getContext()));
       const TargetInstrDesc &II = TII.get(TargetInstrInfo::DBG_LABEL);
@@ -366,7 +366,7 @@
     DbgFuncStartInst *FSI = cast<DbgFuncStartInst>(I);
     Value *SP = FSI->getSubprogram();
 
-    if (DW->ValidDebugInfo(SP)) {
+    if (DW->ValidDebugInfo(SP, true)) {
       // llvm.dbg.func.start implicitly defines a dbg_stoppoint which is what
       // (most?) gdb expects.
       DISubprogram Subprogram(cast<GlobalVariable>(SP));
@@ -401,7 +401,7 @@
   case Intrinsic::dbg_declare: {
     DbgDeclareInst *DI = cast<DbgDeclareInst>(I);
     Value *Variable = DI->getVariable();
-    if (DW && DW->ValidDebugInfo(Variable)) {
+    if (DW && DW->ValidDebugInfo(Variable, true)) {
       // Determine the address of the declared object.
       Value *Address = DI->getAddress();
       if (BitCastInst *BCI = dyn_cast<BitCastInst>(Address))