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| author | Chris Lattner <sabre@nondot.org> | 2002-05-08 22:19:01 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2002-05-08 22:19:01 +0000 |
| commit | 540d63cbc75fae1c6187e97b995e5a52e7d1ad50 (patch) | |
| tree | ca5fb227eea9b9b28e608018bdce4438e1285caa /include/llvm/Transforms | |
| parent | 8947fbcb68ddf45e42f5fc6d5763defb7426deee (diff) | |
| download | external_llvm-540d63cbc75fae1c6187e97b995e5a52e7d1ad50.zip external_llvm-540d63cbc75fae1c6187e97b995e5a52e7d1ad50.tar.gz external_llvm-540d63cbc75fae1c6187e97b995e5a52e7d1ad50.tar.bz2 | |
Add expr reassociation pass prototype
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2558 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/Transforms')
| -rw-r--r-- | include/llvm/Transforms/Scalar.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/llvm/Transforms/Scalar.h b/include/llvm/Transforms/Scalar.h index 144db23..ba8b90c 100644 --- a/include/llvm/Transforms/Scalar.h +++ b/include/llvm/Transforms/Scalar.h @@ -112,6 +112,16 @@ Pass *createPromoteMemoryToRegister(); //===----------------------------------------------------------------------===// // +// This pass reassociates commutative expressions in an order that is designed +// to promote better constant propogation, GCSE, LICM, PRE... +// +// For example: 4 + (x + 5) -> x + (4 + 5) +// +Pass *createReassociatePass(); + + +//===----------------------------------------------------------------------===// +// // These functions removes symbols from functions and modules. // Pass *createSymbolStrippingPass(); |