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| author | Chris Lattner <sabre@nondot.org> | 2001-10-31 05:07:57 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2001-10-31 05:07:57 +0000 |
| commit | 37aabf28b3ae64356b58d7e0bed2c6764bc52334 (patch) | |
| tree | c63fdee814535adbe92a5ed801f44527d744f94d /lib/VMCore/ConstantFolding.h | |
| parent | 11c862cf4661708bf4a52fe8a6b630bb844d76bd (diff) | |
| download | external_llvm-37aabf28b3ae64356b58d7e0bed2c6764bc52334.zip external_llvm-37aabf28b3ae64356b58d7e0bed2c6764bc52334.tar.gz external_llvm-37aabf28b3ae64356b58d7e0bed2c6764bc52334.tar.bz2 | |
Implemented constant propogation of cast instructions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1064 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/VMCore/ConstantFolding.h')
| -rw-r--r-- | lib/VMCore/ConstantFolding.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/VMCore/ConstantFolding.h b/lib/VMCore/ConstantFolding.h index 9ce1b2c..d3af1bd 100644 --- a/lib/VMCore/ConstantFolding.h +++ b/lib/VMCore/ConstantFolding.h @@ -175,10 +175,16 @@ inline ConstPoolBool *operator<=(const ConstPoolVal &V1, // Implement higher level instruction folding type instructions //===----------------------------------------------------------------------===// +inline ConstPoolVal *ConstantFoldCastInstruction(ConstPoolVal *V, + const Type *DestTy) { + return ConstRules::get(*V)->castTo(V, DestTy); +} + inline ConstPoolVal *ConstantFoldUnaryInstruction(unsigned Opcode, ConstPoolVal *V) { switch (Opcode) { case Instruction::Not: return !*V; + // TODO: Handle get element ptr instruction here in the future? GEP null? } return 0; } |