[LLVMdev] Profiling in LLVM Patch Followup 6

[Andreas Neustifter]

Hi,

this is the sixth in a series of patches to cleanup and improve the
LLVM Profiling Infrastructure. It depends on the previous patches from
http://lists.cs.uiuc.edu/pipermail/llvmdev/2009-July/023569.html
http://lists.cs.uiuc.edu/pipermail/llvmdev/2009-July/023602.html
http://lists.cs.uiuc.edu/pipermail/llvmdev/2009-July/023642.html
http://lists.cs.uiuc.edu/pipermail/llvmdev/2009-July/023643.html
http://lists.cs.uiuc.edu/pipermail/llvmdev/2009-July/023649.html

This patch adds optimal edge profiling along the lines of [Ball94] throughout the LLVM Profiling Infrastructure.
(It also contains some small bugfixes and comment-fixes in the ProfileInfo.)

Andi

[Ball94] Thomas Ball, James R. Larus:
"Optimally profiling and tracing programs"
ACM TOPLAS, Volume 16, Issue 4, 1994
http://portal.acm.org/citation.cfm?id=183527
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