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author | Dimitry Andric <dim@FreeBSD.org> | 2012-08-15 19:34:23 +0000 |
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committer | Dimitry Andric <dim@FreeBSD.org> | 2012-08-15 19:34:23 +0000 |
commit | 58b69754af0cbff56b1cfce9be9392e4451f6628 (patch) | |
tree | eacfc83d988e4b9d11114387ae7dc41243f2a363 /include/llvm/GlobalValue.h | |
parent | 0378662f5bd3dbe8305a485b0282bceb8b52f465 (diff) | |
download | src-test2-58b69754af0cbff56b1cfce9be9392e4451f6628.tar.gz src-test2-58b69754af0cbff56b1cfce9be9392e4451f6628.zip |
Notes
Diffstat (limited to 'include/llvm/GlobalValue.h')
-rw-r--r-- | include/llvm/GlobalValue.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/llvm/GlobalValue.h b/include/llvm/GlobalValue.h index 81a11a4c9258..8b969f3354c3 100644 --- a/include/llvm/GlobalValue.h +++ b/include/llvm/GlobalValue.h @@ -164,6 +164,12 @@ public: return Linkage == CommonLinkage; } + /// isDiscardableIfUnused - Whether the definition of this global may be + /// discarded if it is not used in its compilation unit. + static bool isDiscardableIfUnused(LinkageTypes Linkage) { + return isLinkOnceLinkage(Linkage) || isLocalLinkage(Linkage); + } + /// mayBeOverridden - Whether the definition of this global may be replaced /// by something non-equivalent at link time. For example, if a function has /// weak linkage then the code defining it may be replaced by different code. @@ -221,6 +227,10 @@ public: void setLinkage(LinkageTypes LT) { Linkage = LT; } LinkageTypes getLinkage() const { return Linkage; } + bool isDiscardableIfUnused() const { + return isDiscardableIfUnused(Linkage); + } + bool mayBeOverridden() const { return mayBeOverridden(Linkage); } bool isWeakForLinker() const { return isWeakForLinker(Linkage); } |