aboutsummaryrefslogtreecommitdiff
path: root/include/llvm/Transforms/Utils/Local.h
diff options
context:
space:
mode:
authorChris Lattner <sabre@nondot.org>2004-01-12 18:25:56 +0000
committerChris Lattner <sabre@nondot.org>2004-01-12 18:25:56 +0000
commit77ab3f1c89cf810e355014d575138f7e51fa1931 (patch)
treed5d592c5e2f80f8f6ac5ced5e7bce5c1868d772d /include/llvm/Transforms/Utils/Local.h
parentc4a15098296e08f05216a73822145485f2e3e11b (diff)
llvm::ConstantFoldInstruction
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10787 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/Transforms/Utils/Local.h')
-rw-r--r--include/llvm/Transforms/Utils/Local.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/llvm/Transforms/Utils/Local.h b/include/llvm/Transforms/Utils/Local.h
index c786c96512..05db3b1255 100644
--- a/include/llvm/Transforms/Utils/Local.h
+++ b/include/llvm/Transforms/Utils/Local.h
@@ -38,6 +38,13 @@ bool doConstantPropagation(BasicBlock::iterator &I);
///
bool ConstantFoldTerminator(BasicBlock *BB);
+/// ConstantFoldInstruction - Attempt to constant fold the specified
+/// instruction. If successful, the constant result is returned, if not, null
+/// is returned. Note that this function can only fail when attempting to fold
+/// instructions like loads and stores, which have no constant expression form.
+///
+Constant *ConstantFoldInstruction(Instruction *I);
+
//===----------------------------------------------------------------------===//
// Local dead code elimination...