Chris Lattner
4dd7d3e34d
* No longer need to run die after instcombine
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* Run new correlated expressions pass
* Simplify the CFG (removing dead blocks, merging blocks, eliminating branches
on constant booleans, etc) after correlated exprs pass.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3598 91177308-0d34-0410-b5e6-96231b3b80d8
2002-09-06 18:41:33 +00:00
Chris Lattner
c5394837fe
- Reformat comments
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- 'gccas' puts verifier in logical place in pass procession to avoid
recomputing dominator information unneccesarily.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3553 91177308-0d34-0410-b5e6-96231b3b80d8
2002-08-30 22:55:32 +00:00
Chris Lattner
1b7fbef3d3
- GCCAS now uses load value #ing for GCSE
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3536 91177308-0d34-0410-b5e6-96231b3b80d8
2002-08-30 20:25:25 +00:00
Chris Lattner
374a0950cc
Do not leak memory for passes when using -stopAfterNPasses or -stopraise
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3371 91177308-0d34-0410-b5e6-96231b3b80d8
2002-08-17 22:40:03 +00:00
Chris Lattner
0e4ca08843
Run GlobalDCE before deadtypeelim so that we do not retain types for global
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variables that are obviously dead. The most common case is %FILE
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3370 91177308-0d34-0410-b5e6-96231b3b80d8
2002-08-17 22:38:02 +00:00
Chris Lattner
d4c7f2766b
Print the tool name when an error comes from so that I can tell which
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tool of a pipeline is having issues.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3168 91177308-0d34-0410-b5e6-96231b3b80d8
2002-07-30 21:43:25 +00:00
Chris Lattner
c7a0985995
*** empty log message ***
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3087 91177308-0d34-0410-b5e6-96231b3b80d8
2002-07-25 16:31:09 +00:00
Chris Lattner
d9d8c07eea
*** empty log message ***
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3040 91177308-0d34-0410-b5e6-96231b3b80d8
2002-07-23 22:04:43 +00:00
Chris Lattner
ccbb3bd6e4
Raise pass requires an explicit TargetData member now.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3020 91177308-0d34-0410-b5e6-96231b3b80d8
2002-07-23 18:09:58 +00:00
Chris Lattner
5ff62e90d0
*** empty log message ***
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2985 91177308-0d34-0410-b5e6-96231b3b80d8
2002-07-22 02:10:13 +00:00
Vikram S. Adve
f8685ebd9d
Disabling reassociate pass until it is fixed.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2849 91177308-0d34-0410-b5e6-96231b3b80d8
2002-07-09 19:53:09 +00:00
Chris Lattner
b4aef1746a
Yes, we REALLY DO want to run the reassociate pass.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2809 91177308-0d34-0410-b5e6-96231b3b80d8
2002-06-30 16:19:14 +00:00
Anand Shukla
cf17bcc7e7
Changes for 64bit gcc
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2799 91177308-0d34-0410-b5e6-96231b3b80d8
2002-06-25 21:57:48 +00:00
Chris Lattner
624c3e028b
Simplify the code that adds passes so compilation can stop after any step
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2775 91177308-0d34-0410-b5e6-96231b3b80d8
2002-06-25 15:57:43 +00:00
Chris Lattner
5424e50c61
No need to run dce with adce right behind!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2738 91177308-0d34-0410-b5e6-96231b3b80d8
2002-05-23 19:27:50 +00:00
Chris Lattner
ff8207fc6c
Add the ADCE pass to gccas finally!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2719 91177308-0d34-0410-b5e6-96231b3b80d8
2002-05-22 21:30:24 +00:00
Chris Lattner
e3a20e733e
Simplify CFG after code generation is done
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2698 91177308-0d34-0410-b5e6-96231b3b80d8
2002-05-21 20:05:08 +00:00
Chris Lattner
4ad532299a
Run another local value numbering phase after redundancy elimination
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2625 91177308-0d34-0410-b5e6-96231b3b80d8
2002-05-14 16:23:14 +00:00
Chris Lattner
88fcc513aa
Add LICM pass to compiler
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2613 91177308-0d34-0410-b5e6-96231b3b80d8
2002-05-10 22:44:31 +00:00
Chris Lattner
94fbab0022
Run expression reassociation as part of gccas
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2556 91177308-0d34-0410-b5e6-96231b3b80d8
2002-05-08 22:18:20 +00:00
Chris Lattner
65f1b895bb
Merge all include/llvm/Transforms/Scalar/* into a single Scalar.h
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2538 91177308-0d34-0410-b5e6-96231b3b80d8
2002-05-07 20:03:27 +00:00
Chris Lattner
5f06e10a84
GCSE is faster than SCCP, and it makes SCCP's job easier, so run it first.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2503 91177308-0d34-0410-b5e6-96231b3b80d8
2002-05-06 18:54:12 +00:00
Chris Lattner
eadd32cda2
Instruction Combination can create a ton of trivially dead instructions. Remove
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them with an DIE pass before more expensive optimizations are run.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2491 91177308-0d34-0410-b5e6-96231b3b80d8
2002-05-06 16:52:15 +00:00
Chris Lattner
9c1291c85e
Run DCE AFTER SCCP and GCSE!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2476 91177308-0d34-0410-b5e6-96231b3b80d8
2002-05-06 03:04:17 +00:00
Chris Lattner
8ac58a83eb
Move constant merging pass earlier
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Include the SCCP pass in gccas
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2410 91177308-0d34-0410-b5e6-96231b3b80d8
2002-04-29 20:11:38 +00:00
Chris Lattner
c6f3ae5c66
Eliminate duplicate or unneccesary #include's
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2397 91177308-0d34-0410-b5e6-96231b3b80d8
2002-04-29 17:42:12 +00:00
Chris Lattner
598d21c7e5
Run GCSE as part of gccas.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2340 91177308-0d34-0410-b5e6-96231b3b80d8
2002-04-28 01:00:15 +00:00
Chris Lattner
76d12299b5
Make sure that there is no case where a signal can occur leaving a partially
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written output file. This is important because crashing testcases often write
part of a file out, and the testing harness decides the file is up-to-date next
time the test is run.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2303 91177308-0d34-0410-b5e6-96231b3b80d8
2002-04-18 19:55:25 +00:00
Chris Lattner
6a1f6940a1
The cleangcc pass is brokeninto two pieces, execute both of them.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2225 91177308-0d34-0410-b5e6-96231b3b80d8
2002-04-10 20:33:32 +00:00
Chris Lattner
69cd2b1ade
Move the PromoteMemoryToRegister pass to be run _after_ the raise pointer
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references pass, so it is given the chance to do some good!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2089 91177308-0d34-0410-b5e6-96231b3b80d8
2002-04-01 19:45:11 +00:00
Cameron Buschardt
0732c70ffb
Rename constructor function for mem2reg pass.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2008 91177308-0d34-0410-b5e6-96231b3b80d8
2002-03-27 23:29:23 +00:00
Chris Lattner
081c409e27
Add a debugging option to gccas to cause it to not do level raise or anything
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after it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1934 91177308-0d34-0410-b5e6-96231b3b80d8
2002-03-21 21:21:50 +00:00
Chris Lattner
417fbe5287
Change to use new pass accessor functions
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1817 91177308-0d34-0410-b5e6-96231b3b80d8
2002-02-26 21:47:29 +00:00
Chris Lattner
0f3bfffd9e
PassManager is now in it's own header file
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1608 91177308-0d34-0410-b5e6-96231b3b80d8
2002-01-31 00:46:22 +00:00
Chris Lattner
e94525575f
Only run DeadInst elimination early, because it is quick and painless and
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pipelines well
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1549 91177308-0d34-0410-b5e6-96231b3b80d8
2002-01-22 21:06:44 +00:00
Chris Lattner
3dc67dd95b
Misc cleanups. Allocate ofstream statically, and use a pass to write out the bytecode
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1529 91177308-0d34-0410-b5e6-96231b3b80d8
2002-01-22 03:30:46 +00:00
Chris Lattner
d7db863c1d
Rename LowerAllocations.h to ChangeAllocations.h since it now contains the
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RaiseAllocations pass as well.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1525 91177308-0d34-0410-b5e6-96231b3b80d8
2002-01-22 01:04:08 +00:00
Chris Lattner
5048c3b853
Pull RaiseAllocations stuff out of the CleanGCC pass into it's own pass in
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the ChangeAllocations.h header file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1522 91177308-0d34-0410-b5e6-96231b3b80d8
2002-01-22 00:13:51 +00:00
Chris Lattner
59b6b8e0b3
Move stuff out of the Optimizations directories into the appropriate Transforms
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directories. Eliminate the opt namespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1520 91177308-0d34-0410-b5e6-96231b3b80d8
2002-01-21 23:17:48 +00:00
Chris Lattner
f4de63f65f
Implement a more powerful, simpler, pass system. This pass system can figure
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out how to run a collection of passes optimially given their behaviors and
charactaristics.
Convert code to use it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1507 91177308-0d34-0410-b5e6-96231b3b80d8
2002-01-21 07:31:50 +00:00
Chris Lattner
697954c15d
Changes to build successfully with GCC 3.02
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1503 91177308-0d34-0410-b5e6-96231b3b80d8
2002-01-20 22:54:45 +00:00
Chris Lattner
d584dcc6ef
Add more passes to run after raising
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1476 91177308-0d34-0410-b5e6-96231b3b80d8
2001-12-14 16:48:30 +00:00
Chris Lattner
0d7a474463
Run DCE before cleanupGCCoutput which will cause some dead types (like FILE) to be removed
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1429 91177308-0d34-0410-b5e6-96231b3b80d8
2001-12-07 04:25:36 +00:00
Chris Lattner
9c6f2ac665
Simplify induction variables before 'raising' the representation
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1418 91177308-0d34-0410-b5e6-96231b3b80d8
2001-12-05 06:34:58 +00:00
Chris Lattner
cee8f9ae67
Create a new #include "Support/..." directory structure to move things
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from "llvm/Support/..." that are not llvm dependant.
Move files and fix #includes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1400 91177308-0d34-0410-b5e6-96231b3b80d8
2001-11-27 00:03:19 +00:00
Chris Lattner
2409ddb5b2
-raise includes constprop and dce
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1397 91177308-0d34-0410-b5e6-96231b3b80d8
2001-11-26 19:37:43 +00:00
Chris Lattner
a8b3015d40
Run constprop before -raise
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1354 91177308-0d34-0410-b5e6-96231b3b80d8
2001-11-26 18:16:07 +00:00
Chris Lattner
068f487ee5
Move the Raise xform from opt to transforms
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1072 91177308-0d34-0410-b5e6-96231b3b80d8
2001-11-01 02:41:09 +00:00
Chris Lattner
dbe0514e12
crunch the output of GCC a bit to make it nicer
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1068 91177308-0d34-0410-b5e6-96231b3b80d8
2001-10-31 06:36:48 +00:00
Chris Lattner
11c862cf46
Fix dumb copy and paste typos
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1063 91177308-0d34-0410-b5e6-96231b3b80d8
2001-10-31 04:33:33 +00:00