diff options
Diffstat (limited to 'lib/Analysis/ConstantFolding.cpp')
| -rw-r--r-- | lib/Analysis/ConstantFolding.cpp | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/lib/Analysis/ConstantFolding.cpp b/lib/Analysis/ConstantFolding.cpp index 109eaad458..f07d03aa0f 100644 --- a/lib/Analysis/ConstantFolding.cpp +++ b/lib/Analysis/ConstantFolding.cpp @@ -1,4 +1,4 @@ -//===-- ConstantFolding.cpp - Analyze constant folding possibilities ------===// +//===-- ConstantFolding.cpp - Fold instructions into constants ------------===// // // The LLVM Compiler Infrastructure // @@ -7,8 +7,12 @@ // //===----------------------------------------------------------------------===// // -// This family of functions determines the possibility of performing constant -// folding. +// This file defines routines for folding instructions into constants. +// +// Also, to supplement the basic VMCore ConstantExpr simplifications, +// this file defines some additional folding routines that can make use of +// TargetData information. These functions cannot go in VMCore due to library +// dependency issues. // //===----------------------------------------------------------------------===// |