summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorDan Gohman <gohman@apple.com>2009-11-19 23:53:49 +0000
committerDan Gohman <gohman@apple.com>2009-11-19 23:53:49 +0000
commit772f922acb42524d3bd49dd1d0042ca181b0eb2b (patch)
tree051b5e11a8ba668ba64dc0e8919ce83a2d6c29a6
parent34fb6838bcbe3115596cd26d2c2a888ab323fdc5 (diff)
downloadbcm5719-llvm-772f922acb42524d3bd49dd1d0042ca181b0eb2b.tar.gz
bcm5719-llvm-772f922acb42524d3bd49dd1d0042ca181b0eb2b.zip
Refine this to only apply to null in the default address space.
llvm-svn: 89411
-rw-r--r--llvm/lib/Analysis/CaptureTracking.cpp6
1 files changed, 4 insertions, 2 deletions
diff --git a/llvm/lib/Analysis/CaptureTracking.cpp b/llvm/lib/Analysis/CaptureTracking.cpp
index ae0766b237c..6781dccc972 100644
--- a/llvm/lib/Analysis/CaptureTracking.cpp
+++ b/llvm/lib/Analysis/CaptureTracking.cpp
@@ -107,8 +107,10 @@ bool llvm::PointerMayBeCaptured(const Value *V,
break;
case Instruction::ICmp:
// Comparing the pointer against null does not count as a capture.
- if (isa<ConstantPointerNull>(I->getOperand(1)))
- break;
+ if (ConstantPointerNull *CPN =
+ dyn_cast<ConstantPointerNull>(I->getOperand(1)))
+ if (CPN->getType()->getAddressSpace() == 0)
+ break;
return true;
default:
// Something else - be conservative and say it is captured.
OpenPOWER on IntegriCloud