aboutsummaryrefslogtreecommitdiff
path: root/lib/CodeGen/SelectionDAG/FastISel.cpp
diff options
context:
space:
mode:
authorDevang Patel <dpatel@apple.com>2009-10-01 01:03:26 +0000
committerDevang Patel <dpatel@apple.com>2009-10-01 01:03:26 +0000
commit75549f4444cbb14e73c8f10ab90ec36c60413e8e (patch)
treecf41f5dc27b313b9bc0ad7ff9ca1bf0d0272bddf /lib/CodeGen/SelectionDAG/FastISel.cpp
parentb0fdedb3fd123a47e7deca75d1e6f7d64218b07a (diff)
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83189 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/FastISel.cpp')
-rw-r--r--lib/CodeGen/SelectionDAG/FastISel.cpp12
1 files changed, 9 insertions, 3 deletions
diff --git a/lib/CodeGen/SelectionDAG/FastISel.cpp b/lib/CodeGen/SelectionDAG/FastISel.cpp
index 54544a4d14..0bec2cf9b1 100644
--- a/lib/CodeGen/SelectionDAG/FastISel.cpp
+++ b/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: {