[llvm-commits] [llvm] r81473 - in /llvm/trunk: include/llvm/Analysis/ConstantFolding.h lib/Analysis/ConstantFolding.cpp

[Dan Gohman]

Author: djg
Date: Thu Sep 10 18:07:18 2009
New Revision: 81473

URL: http://llvm.org/viewvc/llvm-project?rev=81473&view=rev
Log:
Give these files top-level comments that describe the current code.

Modified:
    llvm/trunk/include/llvm/Analysis/ConstantFolding.h
    llvm/trunk/lib/Analysis/ConstantFolding.cpp

Modified: llvm/trunk/include/llvm/Analysis/ConstantFolding.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Analysis/ConstantFolding.h?rev=81473&r1=81472&r2=81473&view=diff

==============================================================================
--- llvm/trunk/include/llvm/Analysis/ConstantFolding.h (original)
+++ llvm/trunk/include/llvm/Analysis/ConstantFolding.h Thu Sep 10 18:07:18 2009
@@ -1,4 +1,4 @@
-//===-- ConstantFolding.h - Analyze constant folding possibilities --------===//
+//===-- ConstantFolding.h - 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 declares routines for folding instructions into constants.
+//
+// Also, to supplement the basic VMCore ConstantExpr simplifications,
+// this file declares some additional folding routines that can make use of
+// TargetData information. These functions cannot go in VMCore due to library
+// dependency issues.
 //
 //===----------------------------------------------------------------------===//
 

Modified: llvm/trunk/lib/Analysis/ConstantFolding.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/ConstantFolding.cpp?rev=81473&r1=81472&r2=81473&view=diff

==============================================================================
--- llvm/trunk/lib/Analysis/ConstantFolding.cpp (original)
+++ llvm/trunk/lib/Analysis/ConstantFolding.cpp Thu Sep 10 18:07:18 2009
@@ -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.
 //
 //===----------------------------------------------------------------------===//