[llvm-commits] [llvm] r81473 - in /llvm/trunk: include/llvm/Analysis/ConstantFolding.h lib/Analysis/ConstantFolding.cpp
Dan Gohman
gohman at apple.com
Thu Sep 10 16:07:18 PDT 2009
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.
//
//===----------------------------------------------------------------------===//
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