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Author SHA1 Message Date
Chris Lattner
449f7d0d63 switch hash_map's over to DenseMap in SCCP. This speeds up SCCP by 30% in 
a release-assert build on kimwitu++.

llvm-svn: 33792
 2007-02-02 20:38:30 +00:00
Chris Lattner
10292e5997 add find/erase, add const iterators, fix bugs in iterators. 
llvm-svn: 33791
 2007-02-02 20:34:32 +00:00
Chris Lattner
d0c5814b38 add iterators 
llvm-svn: 33790
 2007-02-02 19:27:13 +00:00
Evan Cheng
496c67ee3e Use MBB.empty() instead of MBB.size() for speed. 
llvm-svn: 33789
 2007-02-02 19:09:19 +00:00
Evan Cheng
6a428320d6 Watch out for empty BB. 
llvm-svn: 33788
 2007-02-02 18:49:02 +00:00
Reid Spencer
ec5ab3241b For PR1152: 
Step 2: Make plug compatible shell script to replace gccas binary.

llvm-svn: 33787
 2007-02-02 15:50:58 +00:00
Reid Spencer
aad0cad3e9 For PR1152: 
Step 1: Copy gccas functionality to opt. This endows opt with a new
-std-compile-opts option to get the set of optimization passes that
gccas used. It also adds -disable-inlining and -disable-opt which
both apply only if -std-compile-opts is given. The -strip-debug option
was also removed. It just makes sure that "-strip" gets done early and
is mostly there for compatibility with gccas. Finally, a new
-verify-each option will cause the verify pass to be run after each pass.

llvm-svn: 33786
 2007-02-02 14:46:29 +00:00
Reid Spencer
bbb8dc1b9f Remove dead code and fix indentation per Chris' review comments. 
llvm-svn: 33785
 2007-02-02 14:41:37 +00:00
Reid Spencer
05c293d1f0 Use short form of BinaryOperator create function. 
llvm-svn: 33784
 2007-02-02 14:09:34 +00:00
Reid Spencer
f5f46b0082 Use short form of binary operator create functions. 
llvm-svn: 33783
 2007-02-02 14:08:20 +00:00
Reid Spencer
96661f106d Put the Shift instructions in the right section. 
llvm-svn: 33782
 2007-02-02 13:57:07 +00:00
Reid Spencer
da848a64ce Fix a comment that needed to change after SHIFT patch landed. 
llvm-svn: 33781
 2007-02-02 13:54:55 +00:00
Evan Cheng
e450d1bfa4 Ugh. Only meant to do this in thumb mode. 
llvm-svn: 33780
 2007-02-02 08:58:48 +00:00
Chris Lattner
1f032e74ae bugfix for reid's shift patch. 
llvm-svn: 33779
 2007-02-02 05:29:55 +00:00
Chris Lattner
63479262b4 add a note 
llvm-svn: 33778
 2007-02-02 04:36:46 +00:00
Reid Spencer
1b0dd17ea9 1. Break long lines to 80 col limit 
2. Fix indentation
3. Renumber the instruction opcodes after the Shift became a binary operator.

llvm-svn: 33777
 2007-02-02 02:30:19 +00:00
Reid Spencer
591bfa1e0b Changes to support making the shift instructions be true BinaryOperators. 
This feature is needed in order to support shifts of more than 255 bits
on large integer types.  This changes the syntax for llvm assembly to
make shl, ashr and lshr instructions look like a binary operator:
   shl i32 %X, 1
instead of
   shl i32 %X, i8 1
Additionally, this should help a few passes perform additional optimizations.

llvm-svn: 33776
 2007-02-02 02:16:23 +00:00
Evan Cheng
689b0a4a62 Fix a bug in getARMCMP (which translate CondCode to ARM specific CC) when the RHS is a constant. 
llvm-svn: 33775
 2007-02-02 01:53:26 +00:00
Evan Cheng
73975a6076 Thumb does not have clz. 
llvm-svn: 33773
 2007-02-01 23:34:03 +00:00
Devang Patel
e5e4a44cca Dump function names when debug-pass=Executions is used. 
llvm-svn: 33772
 2007-02-01 22:38:33 +00:00
Chris Lattner
2d85458c52 Fix Transforms/InstCombine/2007-02-01-LoadSinkAlloca.ll, a serious code 
pessimization where instcombine can sink a load (good for code size) that
prevents an alloca from being promoted by mem2reg (bad for everything).

llvm-svn: 33771
 2007-02-01 22:30:07 +00:00
Chris Lattner
49d3308f43 new testcase for serious code pessimization 
llvm-svn: 33770
 2007-02-01 22:29:26 +00:00
Reid Spencer
1f769ed900 My mistake, my environment wasn't up to date. This passes now. 
llvm-svn: 33769
 2007-02-01 22:26:42 +00:00
Reid Spencer
b47ac467a6 XFAIL this on x86 linux as it continues to fail. 
llvm-svn: 33768
 2007-02-01 22:10:46 +00:00
Devang Patel
3f71179e2d Pretty print pass managers. 
llvm-svn: 33767
 2007-02-01 22:10:12 +00:00
Devang Patel
015a474023 Pretty print pass manager 
llvm-svn: 33766
 2007-02-01 22:09:37 +00:00
Devang Patel
f178d112ce cvs commit 
llvm-svn: 33765
 2007-02-01 22:08:25 +00:00
Reid Spencer
1f2f4ae151 Make sure the value passed to test function is initialized. 
llvm-svn: 33764
 2007-02-01 21:58:46 +00:00
Lauro Ramos Venancio
5765bcd825 Define PrivateGlobalPrefix for ARM Linux. (Fix CodeGen/ARM/large_stack.ll) 
llvm-svn: 33763
 2007-02-01 21:43:53 +00:00
Evan Cheng
3d9b702988 Pasto. Lots of it. 
llvm-svn: 33762
 2007-02-01 20:44:52 +00:00
Reid Spencer
eb51781c22 Ensure that ConvertOperandToType generates a result conversion by 
initializing the Res variable to 0 and asserting it is not zero after the
result should have been created.

llvm-svn: 33761
 2007-02-01 19:14:51 +00:00
Chris Lattner
618f24b0ed Fix bugs in the inliner having to do with single-entry phi nodes and valuemap 
updating.  These were exposed by Devang's recent passmgr changes (with
non-default passorderings) because now the inliner can be interleved with
the LCSSA pass.

llvm-svn: 33760
 2007-02-01 18:48:38 +00:00
Lauro Ramos Venancio
5781691b22 Fix .thumb_func directive on linux. 
llvm-svn: 33759
 2007-02-01 18:25:34 +00:00
Jim Laskey
56f947d112 Slip up 
llvm-svn: 33758
 2007-02-01 17:48:20 +00:00
Jim Laskey
13d6220cbb Emit labels as label_n and not as debug_n 
llvm-svn: 33757
 2007-02-01 17:46:10 +00:00
Andrew Lenharth
95c86563cd preserve sections of globals 
llvm-svn: 33756
 2007-02-01 17:12:54 +00:00
Jim Laskey
52a12383a4 Support for non-landing pad exception handling. 
llvm-svn: 33755
 2007-02-01 16:31:34 +00:00
Reid Spencer
2d41dbae16 Fix a homonymo in a comment. 
llvm-svn: 33754
 2007-02-01 12:09:51 +00:00
Evan Cheng
88b703eec4 - Off by one bugs in maximum displacement calculation / testing. 
- In thumb mode, a new constpool island BB size should be 4 + 2 to
  compensate for the potential padding due to alignment requirement.

llvm-svn: 33753
 2007-02-01 10:16:15 +00:00
Anton Korobeynikov
c469cbc2e7 Fixed uninitialized stuff inside LegalizeDAG. Fortunately, the only 
affected part is codegen of "memove" inside x86 backend. This fixes
PR1144

llvm-svn: 33752
 2007-02-01 08:39:52 +00:00
Chris Lattner
fe31060a23 Add a new dense hash table implementation 
llvm-svn: 33751
 2007-02-01 07:49:59 +00:00
Chris Lattner
9795be05c4 improve comments, add an assertion 
llvm-svn: 33750
 2007-02-01 05:33:21 +00:00
Chris Lattner
a24a3aaa94 rename DenseMap to IndexedMap. 
llvm-svn: 33749
 2007-02-01 05:32:05 +00:00
Chris Lattner
e61728144b rename DenseMap -> IndexedMap. 
llvm-svn: 33748
 2007-02-01 05:28:10 +00:00
Chris Lattner
ca583c51b3 silence some warnings when assertions are disabled. 
llvm-svn: 33747
 2007-02-01 04:59:37 +00:00
Chris Lattner
51faab4a6f silence warning 
llvm-svn: 33746
 2007-02-01 04:57:00 +00:00
Chris Lattner
36dbbd2550 Fit in 80 columns 
llvm-svn: 33745
 2007-02-01 04:55:59 +00:00
Evan Cheng
d3dc2eefc2 .set pc relative displacement bug: label should be moved down one instruction 
to just before the add r1, pc:

Before:
        .set PCRELV0, (LJTI1_0_0-(LPCRELL0+4))
LPCRELL0:
        mov r1, #PCRELV0
        add r1, pc

Now:
        .set PCRELV0, (LJTI1_0_0-(LPCRELL0+4))
        mov r1, #PCRELV0
LPCRELL0:
        add r1, pc

llvm-svn: 33744
 2007-02-01 03:04:49 +00:00
Evan Cheng
eafe1f7bd9 Add a note. 
llvm-svn: 33743
 2007-02-01 02:46:20 +00:00
Evan Cheng
a5c5daf15d Add a test case. 
llvm-svn: 33742
 2007-02-01 02:27:24 +00:00