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| author | Chris Lattner <sabre@nondot.org> | 2008-11-26 02:54:17 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2008-11-26 02:54:17 +0000 |
| commit | c5dd22a3338e089a75ad4a1c2b5cc120a82f9f77 (patch) | |
| tree | 7312fe6610bb05f69aba96398667a5434f299d52 /include/llvm/Instructions.h | |
| parent | ad2b173f9bef5ba304c9e3fc906f6a335e366bd2 (diff) | |
| download | external_llvm-c5dd22a3338e089a75ad4a1c2b5cc120a82f9f77.zip external_llvm-c5dd22a3338e089a75ad4a1c2b5cc120a82f9f77.tar.gz external_llvm-c5dd22a3338e089a75ad4a1c2b5cc120a82f9f77.tar.bz2 | |
add a long-overdue AllocaInst::isStaticAlloca method.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60080 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/Instructions.h')
| -rw-r--r-- | include/llvm/Instructions.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/llvm/Instructions.h b/include/llvm/Instructions.h index 6ee1831..bc4abc9 100644 --- a/include/llvm/Instructions.h +++ b/include/llvm/Instructions.h @@ -167,6 +167,11 @@ public: : AllocationInst(Ty, ArraySize, Alloca, Align, NameStr, InsertAtEnd) {} virtual AllocaInst *clone() const; + + /// isStaticAlloca - Return true if this alloca is in the entry block of the + /// function and is a constant size. If so, the code generator will fold it + /// into the prolog/epilog code, so it is basically free. + bool isStaticAlloca() const; // Methods for support type inquiry through isa, cast, and dyn_cast: static inline bool classof(const AllocaInst *) { return true; } |