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| author | Dan Gohman <gohman@apple.com> | 2009-11-19 23:53:49 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2009-11-19 23:53:49 +0000 |
| commit | 6d903092c95703b17f90ba9e3f3f2032f364ee4e (patch) | |
| tree | e2a2246872ca432455f6c3838f18c58ec6b8a067 /lib/Analysis/CaptureTracking.cpp | |
| parent | e03a39b09620d4efc5ee4a76859a99ff0e095ae0 (diff) | |
| download | llvm-6d903092c95703b17f90ba9e3f3f2032f364ee4e.tar.gz llvm-6d903092c95703b17f90ba9e3f3f2032f364ee4e.tar.bz2 llvm-6d903092c95703b17f90ba9e3f3f2032f364ee4e.tar.xz | |
Refine this to only apply to null in the default address space.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89411 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Analysis/CaptureTracking.cpp')
| -rw-r--r-- | lib/Analysis/CaptureTracking.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/Analysis/CaptureTracking.cpp b/lib/Analysis/CaptureTracking.cpp index ae0766b237..6781dccc97 100644 --- a/lib/Analysis/CaptureTracking.cpp +++ b/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. |