From c9d8b4d45c58ab6576a42694bcc047c44a3f0104 Mon Sep 17 00:00:00 2001 From: Brian Gaeke Date: Wed, 20 Oct 2004 19:38:58 +0000 Subject: Explain what this pass does. llvm-svn: 17146 --- llvm/lib/Transforms/Instrumentation/EmitFunctions.cpp | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'llvm/lib/Transforms') diff --git a/llvm/lib/Transforms/Instrumentation/EmitFunctions.cpp b/llvm/lib/Transforms/Instrumentation/EmitFunctions.cpp index 7b624ad007c..a12f57de9a2 100644 --- a/llvm/lib/Transforms/Instrumentation/EmitFunctions.cpp +++ b/llvm/lib/Transforms/Instrumentation/EmitFunctions.cpp @@ -7,7 +7,13 @@ // //===----------------------------------------------------------------------===// // -// This inserts a global constant table with function pointers all along. +// This inserts into the input module three new global constants containing +// mapping information pertinent to the Reoptimizer's runtime library: +// 1) a structure containing a pointer to each function; +// 2) an array containing a boolean which is true iff the corresponding +// function in 1) contains a back-edge branch suitable for the Reoptimizer's +// first-level instrumentation; +// 3) an integer containing the number of entries in 1) and 2). // // NOTE: This pass is used by the reoptimizer only. // -- cgit v1.2.3