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21 Commits

Author SHA1 Message Date
Christopher Lamb 14bbb15f07 Move subreg lowering pass to be right after regalloc, per feedback. 
llvm-svn: 40548
 2007-07-27 07:36:14 +00:00
Christopher Lamb e9d738cefc Add a MachineFunction pass, which runs post register allocation, that turns subreg insert/extract instruction into register copies. This ensures correct code gen if the coalescer isn't able to remove all subreg instructions. 
llvm-svn: 40521
 2007-07-26 08:18:32 +00:00
Evan Cheng 9d5df0a5f6 Added -print-emitted-asm to print out JIT generated asm to cerr. 
llvm-svn: 40123
 2007-07-20 21:56:13 +00:00
Dale Johannesen 4dc35dbd3e Modify previous patch per review comments. 
llvm-svn: 39817
 2007-07-13 17:31:29 +00:00
Dale Johannesen 2182f06f2d Skeleton of post-RA scheduler; doesn't do anything yet. 
Change name of -sched option and DEBUG_TYPE to
pre-RA-sched; adjust testcases.

llvm-svn: 39816
 2007-07-13 17:13:54 +00:00
Duncan Sands 03b274911f Exception handling has been implemented. 
llvm-svn: 39732
 2007-07-11 16:59:20 +00:00
Chris Lattner 37228f6ce5 document and hide two options. 
llvm-svn: 37651
 2007-06-19 05:47:49 +00:00
Dale Johannesen f9cbdc676c name change requested by review of previous patch 
llvm-svn: 37289
 2007-05-22 18:31:04 +00:00
Dale Johannesen 82810c8a13 Make tail merging the default, except on powerPC. There was no prior art 
for a target-dependent default with a command-line override; this way
should be generally usable.

llvm-svn: 37285
 2007-05-22 17:14:46 +00:00
Chris Lattner f6a6d3c8b0 move a bunch of code out of the sdisel pass into its own opt pass "codegenprepare". 
llvm-svn: 35529
 2007-03-31 04:18:03 +00:00
Chris Lattner bafc837c83 Add a -print-lsr-output option to LLC, to print the output of the LSR pass. 
llvm-svn: 35522
 2007-03-31 00:24:43 +00:00
Devang Patel b0743b5d6a Now LoopStrengthReduce is a LoopPass. 
llvm-svn: 34984
 2007-03-06 21:14:09 +00:00
Jim Laskey 69bd45c1d2 Use exception flag. 
llvm-svn: 34496
 2007-02-22 16:22:15 +00:00
Bill Wendling 523048ecde Split the addPassesToEmitFile method up into two. This is so that we can 
do some common stuff, then on our own add an object file writer (by calling
a concrete function), and then do some finishing stuff, if need be.

llvm-svn: 34032
 2007-02-08 01:36:53 +00:00
Bill Wendling 355fc5ad50 Removed more <iostream> includes 
llvm-svn: 32321
 2006-12-07 20:28:15 +00:00
Chris Lattner e0a70388c2 enable the branch folding pass for the JIT. 
llvm-svn: 31777
 2006-11-16 01:00:07 +00:00
Jim Laskey 6ea4fae838 1. Add a pass to fold debug label instructions so a debug info client can detect 
empty ranges.

2. Reorg how MachineDebugInfo maintains changes to debug labels.

3. Have dwarf writer use debug label info to simplify scopes and source line
coorespondence.

4. Revert the merging of compile units until I can get the bugs ironed out.

llvm-svn: 31507
 2006-11-07 19:33:46 +00:00
Jim Laskey 1941bfa361 Don't do dead block elimination in fast mode. 
llvm-svn: 31155
 2006-10-24 16:11:49 +00:00
Chris Lattner 55ad08a59b add the branch folding pass as a late cleanup pass for all targets. For now 
it just deletes empty MBB's.  Soon it will do more :)

llvm-svn: 30941
 2006-10-13 20:45:56 +00:00
Duraid Madina cf6749e4c0 add setJumpBufSize() and setJumpBufAlignment() to target-lowering. 
Call these from your backend to enjoy setjmp/longjmp goodness, see
lib/Target/IA64/IA64ISelLowering.cpp for an example

llvm-svn: 30095
 2006-09-04 06:21:35 +00:00
Chris Lattner a916db12e4 new file 
llvm-svn: 30082
 2006-09-04 04:16:09 +00:00