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| author | Dan Gohman <gohman@apple.com> | 2009-08-27 17:55:13 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2009-08-27 17:55:13 +0000 |
| commit | c99596ddbf78116260c177edcfad9261bf186b68 (patch) | |
| tree | f1d49b4923e81e779b8c33dba56ef35c281f9553 /lib/VMCore/Value.cpp | |
| parent | fe1256903404065be182735c1402411c4940e9e5 (diff) | |
| download | external_llvm-c99596ddbf78116260c177edcfad9261bf186b68.zip external_llvm-c99596ddbf78116260c177edcfad9261bf186b68.tar.gz external_llvm-c99596ddbf78116260c177edcfad9261bf186b68.tar.bz2 | |
Teach getUnderlyingObject and skipPointerCasts about GlobalAliases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80265 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/VMCore/Value.cpp')
| -rw-r--r-- | lib/VMCore/Value.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/VMCore/Value.cpp b/lib/VMCore/Value.cpp index 34291b9..f674062 100644 --- a/lib/VMCore/Value.cpp +++ b/lib/VMCore/Value.cpp @@ -340,6 +340,10 @@ Value *Value::stripPointerCasts() { V = GEP->getPointerOperand(); } else if (Operator::getOpcode(V) == Instruction::BitCast) { V = cast<Operator>(V)->getOperand(0); + } else if (GlobalAlias *GA = dyn_cast<GlobalAlias>(V)) { + if (GA->mayBeOverridden()) + return V; + V = GA->getAliasee(); } else { return V; } @@ -357,6 +361,10 @@ Value *Value::getUnderlyingObject() { V = GEP->getPointerOperand(); } else if (Operator::getOpcode(V) == Instruction::BitCast) { V = cast<Operator>(V)->getOperand(0); + } else if (GlobalAlias *GA = dyn_cast<GlobalAlias>(V)) { + if (GA->mayBeOverridden()) + return V; + V = GA->getAliasee(); } else { return V; } |