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| author | Devang Patel <dpatel@apple.com> | 2009-10-01 01:03:26 +0000 |
|---|---|---|
| committer | Devang Patel <dpatel@apple.com> | 2009-10-01 01:03:26 +0000 |
| commit | 4dbca6dfd4d76d070c7d43337e74c8d532c5ac53 (patch) | |
| tree | e7cd9b26aad8e1a10254ec523b63596fc64f5fc7 /llvm/lib/CodeGen/SelectionDAG | |
| parent | a6c56bb849e99c1539eae5960f5b1a2404b971d4 (diff) | |
| download | bcm5719-llvm-4dbca6dfd4d76d070c7d43337e74c8d532c5ac53.tar.gz bcm5719-llvm-4dbca6dfd4d76d070c7d43337e74c8d532c5ac53.zip | |
If location info is attached with an instruction then keep track of alloca slots used by a variable. This info will be used by AsmPrinter to emit debug info for variables.
llvm-svn: 83189
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/FastISel.cpp | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp b/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp index 54544a4d149..0bec2cf9b1f 100644 --- a/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp @@ -407,7 +407,6 @@ bool FastISel::SelectCall(User *I) { || !DW->ShouldEmitDwarfDebug()) return true; - Value *Variable = DI->getVariable(); Value *Address = DI->getAddress(); if (BitCastInst *BCI = dyn_cast<BitCastInst>(Address)) Address = BCI->getOperand(0); @@ -418,8 +417,15 @@ bool FastISel::SelectCall(User *I) { StaticAllocaMap.find(AI); if (SI == StaticAllocaMap.end()) break; // VLAs. int FI = SI->second; - - DW->RecordVariable(cast<MDNode>(Variable), FI); + if (MMI) { + MetadataContext &TheMetadata = AI->getContext().getMetadata(); + unsigned MDDbgKind = TheMetadata.getMDKind("dbg"); + MDNode *AllocaLocation = + dyn_cast_or_null<MDNode>(TheMetadata.getMD(MDDbgKind, AI)); + if (AllocaLocation) + MMI->setVariableDbgInfo(DI->getVariable(), AllocaLocation, FI); + } + DW->RecordVariable(DI->getVariable(), FI); return true; } case Intrinsic::eh_exception: { |
