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1045 Commits

Author SHA1 Message Date
Nick Lewycky
05450ae128 Add PredicateSimplifier pass. Collapses equal variables into one form 
and simplifies expressions. This implements the optimization described
in PR807.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29947 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-28 22:44:55 +00:00
Chris Lattner
21a82e6fc7 opt no longer reads .ll files. Run llvm-as explicitly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29924 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-27 22:41:58 +00:00
Owen Anderson
3b53c4ee91 Implement unrolling of multiblock loops. This significantly improves the 
utility of the LoopUnroll pass.

Also, add a testcase for multiblock-loop unrolling.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29859 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-24 21:28:19 +00:00
Reid Spencer
fd90dd5d55 For PR872: 
Shrinkify LLVM's footprint by removing the analyze tool and moving its
functionality into the opt tool. THis eliminates one of the largest tools
from LLVM and doesn't make opt much bigger because it already included
most of the analysis passes.  To get the old analyze functionality pass
the -analyze option to opt. Note that the integeration here is dead
simple. The "main" of analyze was just copied to opt and invoked if the
-analyze option was given. There may be opportunities for further
integration such as removing the distinction between transform passes
and analysis passes.

To use the analysis functionality, if you previously did this:
  analyze $FNAME -domset -disable-verify
you would now do this:
  opt -analyze $FNAME -domset -disable-verify
Pretty simple.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29762 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-18 06:34:30 +00:00
Chris Lattner
a7174736fa new testcase from PR877 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29672 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-14 21:37:32 +00:00
Chris Lattner
9289b637a4 New testcase, this used to take hours to loopsimplify. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29646 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-12 05:23:27 +00:00
Chris Lattner
006f2d0afd new testcase for pr867 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29514 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-03 21:39:41 +00:00
Chris Lattner
2ade22835e testcase for PR827 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29119 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-12 18:27:13 +00:00
Chris Lattner
e5ff22e605 Add tests for 16-bit byteswaps. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29086 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-10 20:25:01 +00:00
Owen Anderson
bfd4dab888 Add a test for the LCSSA issue I just fixed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29077 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-09 08:17:30 +00:00
Chris Lattner
e89121be21 Testcase for PR820 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29070 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-07 21:36:42 +00:00
Chris Lattner
f363ce2de7 Infinite loop in instcombine that nate hit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28960 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-06-28 17:34:28 +00:00
Chris Lattner
4ba6bf7458 New testcase, reduced by nate, which crashes DSE 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28949 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-06-27 23:47:39 +00:00
Owen Anderson
2f62a9eb2e Testcase that Nate found where LoopUnswitch chokes on eliminating a dead case 
from a switch instruction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28946 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-06-27 22:24:59 +00:00
Chris Lattner
a60af32287 testcase that crashes dead arg elim. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28942 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-06-27 20:58:41 +00:00
Chris Lattner
98c3e1cc92 new testcase that crashes indvars 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28849 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-06-17 01:01:30 +00:00
Chris Lattner
c0ea2335f3 new testcase, instcombine should turn these into llvm.bswap intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28802 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-06-15 19:06:42 +00:00
Chris Lattner
2c54676d70 new testcase, distilled from povray 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28778 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-06-14 04:45:45 +00:00
Chris Lattner
b2035f2287 TEstcase that makes simplifycfg infloop. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28757 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-06-12 20:17:44 +00:00
Owen Anderson
b083af6448 Make sure that LCSSA works properly when it encounters an exit block that has 
more than one predecessor inside the loop.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28749 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-06-12 07:05:47 +00:00
Owen Anderson
32a90f85af Update the regression tests, and add a new one encountered while compiling crtend. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28681 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-06-04 00:56:30 +00:00
Chris Lattner
29c312300e testcase for the recent inliner improvement. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28643 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-06-01 21:54:58 +00:00
Owen Anderson
f49748730e Require both tests to pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28531 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-29 01:28:16 +00:00
Owen Anderson
6894526189 Update the testcase to check the full extent of LCSSA. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28530 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-29 01:07:04 +00:00
Chris Lattner
5ca32a6d6c New testcase: check that the inliner constant folds instructions on the 
fly if it can.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28515 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-27 01:16:22 +00:00
Owen Anderson
22cf8b118e Trivial testcase that LCSSA can already handle. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28508 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 21:59:20 +00:00
Chris Lattner
0102587f2a New testcase for trivial DSE 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28502 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 19:18:40 +00:00
Chris Lattner
8e8a511b58 new testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28486 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 23:23:22 +00:00
Chris Lattner
78b3c420b2 new testcases 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28484 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 22:52:49 +00:00
Chris Lattner
45df8e2d23 The patch corresponding to this test had to be reverted as unsafe. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28479 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 21:25:54 +00:00
Chris Lattner
b464997bba Testcase for a new instcombine xform, patch contributed by Nick Lewycky! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28449 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-24 17:34:02 +00:00
Chris Lattner
5250bae5ee New testcase for instcombine 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28272 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-13 02:00:07 +00:00
Chris Lattner
99266d81a2 New testcase, check that dead code doesn't pessimize instcombine 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28214 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-10 18:56:04 +00:00
Chris Lattner
eaee5f5652 This test passes now, remove xfail marker 
Change test to be a positive test instead of a negative test


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28159 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-07 18:16:31 +00:00
Chris Lattner
985906323f new testcase from ghostscript that inf looped instcombine 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28140 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-06 08:58:06 +00:00
Chris Lattner
a0771b8020 New testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28125 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-05 06:38:40 +00:00
Chris Lattner
2942da747c new testcase that crashes the instcombine pass 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28100 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-04 17:33:24 +00:00
Chris Lattner
c624b5a049 new testcase miscompiled by instcombine 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28018 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-28 22:17:20 +00:00
Chris Lattner
86175f47b6 new testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28006 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-28 04:14:29 +00:00
Chris Lattner
011ec7f29c This should turn into one vector shuffle instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27996 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-27 21:13:58 +00:00
Chris Lattner
3e0d4b9810 new testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27981 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-26 18:32:59 +00:00
Chris Lattner
bcce6c2a0f new testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27911 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-20 20:48:32 +00:00
Andrew Lenharth
3b9adf8864 can we cast between pointers and IntPtrType 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27879 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-20 14:54:17 +00:00
Chris Lattner
d8f5bd3988 New testcase, checking to see we can turn this code: 
void test(vector float *F, float f) {
  vector float G = *F + *F;
  *((float*)&G) = f;
  *F = G + G;
}

void test2(vector float *F, float f) {
  vector float G = *F + *F;
  ((float*)&G)[2] = f;
  *F = G + G;
}

void test3(vector float *F, float *f) {
  vector float G = *F + *F;
  *f = ((float*)&G)[2];
}

void test4(vector float *F, float *f) {
  vector float G = *F + *F;
  *f = *((float*)&G);
}

into insert/extract element operations with no memory traffic.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27709 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-14 21:41:54 +00:00
Chris Lattner
b04d993d72 new testcase, vector operations should be CSE'd 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27690 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-14 05:09:53 +00:00
Tanya Lattner
9727555859 Added the ability to xfail based on llvmgcc version 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27635 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-12 21:57:40 +00:00
Chris Lattner
23405aa73d These casts should turn into gep instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27618 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-12 18:07:41 +00:00
Chris Lattner
0bb1681337 new testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27572 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-10 23:06:18 +00:00
Chris Lattner
7205684fa5 New testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27570 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-10 22:45:37 +00:00
Chris Lattner
ff1a14aba9 New testcase that caused instcombine to infinitely loop (with my recent 
patch), distilled from Applications/JM/ldecod


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27329 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-01 22:04:40 +00:00