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afe16e1742
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401 Commits

Author SHA1 Message Date
Brian Gaeke
afe16e1742 I love the smell of a freshly broken PowerPC build in the morning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14206 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-17 22:27:04 +00:00
Chris Lattner
5253f05709 Fix compilation problem on freebsd. Problem noted by Vladimir Merzliakov in 
PR371


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14203 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-17 21:20:52 +00:00
Chris Lattner
f70c22b019 Rename Type::PrimitiveID to TypeId and ::getPrimitiveID() to ::getTypeID() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14201 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-17 18:19:28 +00:00
Brian Gaeke
83a7049270 Um, did someone make a typo or something? 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14192 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-15 23:09:50 +00:00
Chris Lattner
c45ef6d395 Remove support for the isnan intrinsic 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14186 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-15 21:37:54 +00:00
Brian Gaeke
fda2cce3bf Quick hack to get this file compiling again on Mac OS X. The right thing to do 
is write an autoconf macro that checks whether __isnan or isnan actually works
**using the C++ compiler after #include <cmath>**, instead of doing it the easy
way with AC_CHECK_FUNCS().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14171 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-14 06:33:19 +00:00
Alkis Evlogimenos
df497317f1 Add constant folding capabilities to the isunordered intrinsic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14168 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-13 01:23:56 +00:00
Chris Lattner
cf11035a6f Constant fold the isnan intrinsic 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14150 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-11 06:16:23 +00:00
Chris Lattner
11b9be5a1a Fix one of the major things that is causing the C Backend to infinite loop 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13872 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-28 05:02:13 +00:00
Chris Lattner
8dfe5705b1 Implement constant folding of fmod, which is used a lot in povray 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13823 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-27 07:25:00 +00:00
Chris Lattner
b18b9d7374 Restructure call constant folding code a bit to make it simpler 
Add support for acos/asin/atan.  188.ammp contains three calls to acos with
constant arguments.  Constant folding it allows elimination of those 3 calls
and three FP divisions of the results.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13821 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-27 06:26:28 +00:00
Alkis Evlogimenos
fe3a093bc6 Do not pass a null pointer if this instruction is not prepended or 
appended anywhere.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13798 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-26 22:50:28 +00:00
Alkis Evlogimenos
99c58f4910 Use one destination constructor for the unconditional branch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13792 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-26 21:38:14 +00:00
Reid Spencer
9231ac8b6f Convert to SymbolTable's new iteration interface. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13754 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-25 08:53:40 +00:00
Reid Spencer
567bc2cc1e Convert to SymbolTable's new lookup and iteration interfaces. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13751 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-25 08:52:20 +00:00
Brian Gaeke
c58a7f4b3c Add CloneTraceInto(), which is based on (and has mostly the same 
effects as) CloneFunctionInto().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13601 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-19 09:08:14 +00:00
Brian Gaeke
6129af3fb1 Move RemapInstruction() to ValueMapper, so that it can be shared with 
CloneTrace, and because it is primarily an operation on ValueMaps.  It
is now a global (non-static) function which can be pulled in using
ValueMapper.h.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13600 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-19 09:08:12 +00:00
Chris Lattner
587992721c Do not pass in the same argument to the extracted function more than once, and 
give the extracted function a more useful name than just foo_code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13493 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-12 16:26:18 +00:00
Chris Lattner
d99e1d3afb Implement support for code extracting basic blocks that have a return 
instruction in them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13490 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-12 16:07:41 +00:00
Chris Lattner
e746ad512e Implement splitting of PHI nodes, allowing block extraction of BB's that have 
PHI node entries from multiple outside-the-region blocks.  This also fixes
extraction of the entry block in a function.  Yaay.

This has successfully block extracted all (but one) block from the score_move
function in obsequi (out of 33).  Hrm, I wonder which block the bug is in.  :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13489 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-12 15:29:13 +00:00
Chris Lattner
bf749367cb * Pull some code out into the definedInRegion/definedInCaller methods 
* Add a stub for the severSplitPHINodes which will allow us to bbextract
  bb's with PHI nodes in them soon.
* Remove unused arguments from findInputsOutputs
* Dramatically simplify the code in findInputsOutputs.  In particular,
  nothing really cares whether or not a PHI node is using something.
* Move moveCodeToFunction to after emitCallAndSwitchStatement as that's the
  order they get called.
* Fix a bug where we would code extract a region that included a call to
  vastart.  Like 'alloca', calls to vastart must stay in the function that
  they are defined in.
* Add some comments.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13482 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-12 06:01:40 +00:00
Chris Lattner
346be7f5bc Generate substantially better code when there are a limited number of exits 
from the extracted region.  If the return has 0 or 1 exit blocks, the new
function returns void.  If it has 2 exits, it returns bool, otherwise it
returns a ushort as before.

This allows us to use a conditional branch instruction when there are two
exit blocks, as often happens during block extraction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13481 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-12 04:14:24 +00:00
Chris Lattner
5b01e298ed Two minor improvements: 
1. Get rid of the silly abort block.  When doing bb extraction, we get one
     abort block for every block extracted, which is kinda annoying.
  2. If the switch ends up having a single destination, turn it into an
     unconditional branch.

I would like to add support for conditional branches, but to do this we will
want to have the function return a bool instead of a ushort.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13478 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-12 03:22:33 +00:00
Chris Lattner
bdcc0b8c55 Do not clone arbitrary condition instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13316 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-02 05:19:36 +00:00
Chris Lattner
12fe2b1b82 Do not infinitely "unroll" single BB loops. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13315 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-02 05:02:03 +00:00
Chris Lattner
a1f79fb08b Dont' merge terminators that are needed to select PHI node values. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13312 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-02 01:00:44 +00:00
Chris Lattner
e67fa05036 Implement SimplifyCFG/branch-cond-merge.ll 
Turning "if (A < B && B < C)" into "if (A < B & B < C)"


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13311 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-01 23:35:43 +00:00
Chris Lattner
951fdb9764 Fix my missing parens 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13307 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-01 22:41:51 +00:00
Chris Lattner
92da2c2053 Implement SimplifyCFG/branch-cond-prop.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13306 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-01 22:36:37 +00:00
Misha Brukman
22108fac63 * Allow aggregating extracted function arguments (controlled by flag) 
* Commandline option (for now) controls that flag that is passed in


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13141 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-23 23:54:17 +00:00
Alkis Evlogimenos
09233fb86e Include cerrno (gcc-3.4 fix) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13091 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-21 16:11:40 +00:00
Chris Lattner
59fb87d469 Correct rewriting of exit blocks after my last patch 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13048 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-18 22:27:10 +00:00
Chris Lattner
f1ab4b4eac Change the ExitBlocks list from being explicitly contained in the Loop 
structure to being dynamically computed on demand.  This makes updating
loop information MUCH easier.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13045 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-18 22:14:10 +00:00
Chris Lattner
f5b9eb37a9 Add support for evaluation of exp/log/log10/pow 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13011 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-16 22:35:33 +00:00
Brian Gaeke
c598517c24 Include <cmath> for compatibility with gcc 3.0.x (the system compiler on 
Debian.)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12986 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-16 15:57:32 +00:00
Chris Lattner
cd01ae5c70 Fix Inline/2004-04-15-InlineDeletesCall.ll 
Basically we were using SimplifyCFG as a huge sledgehammer for a simple
optimization.  Because simplifycfg does so many things, we can't use it
for this purpose.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12977 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-16 05:17:59 +00:00
Chris Lattner
25b8390bf2 Add a simple call constant propagation interface. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12919 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-13 19:28:52 +00:00
Chris Lattner
4b66242c54 Fix LoopSimplify/2004-04-13-LoopSimplifyUpdateDomFrontier.ll 
LoopSimplify was not updating dominator frontiers correctly in some cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12890 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-13 16:23:25 +00:00
Chris Lattner
1f62f82b05 Refactor code a bit to make it simpler and eliminate the goto 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12888 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-13 15:21:18 +00:00
Chris Lattner
529b28da45 This patch addresses PR35: Loop simplify should reconstruct nested loops. 
This is fairly straight-forward, but was a real nightmare to get just
perfect.  aarg.  :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12884 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-13 05:05:33 +00:00
Chris Lattner
570751c2a7 Fold code like: 
if (C)
    V1 |= V2;

into:
  Vx = V1 | V2;
  V1 = select C, V1, Vx

when the expression can be evaluated unconditionally and is *cheap* to
execute.  This limited form of if conversion is quite handy in lots of cases.
For example, it turns this testcase into straight-line code:

int in0 ; int in1 ; int in2 ; int in3 ;
int in4 ; int in5 ; int in6 ; int in7 ;
int in8 ; int in9 ; int in10; int in11;
int in12; int in13; int in14; int in15;
long output;

void mux(void) {
  output =
      (in0   ?  0x00000001 : 0) | (in1   ?  0x00000002 : 0) |
      (in2   ?  0x00000004 : 0) | (in3   ?  0x00000008 : 0) |
      (in4   ?  0x00000010 : 0) | (in5   ?  0x00000020 : 0) |
      (in6   ?  0x00000040 : 0) | (in7   ?  0x00000080 : 0) |
      (in8   ?  0x00000100 : 0) | (in9   ?  0x00000200 : 0) |
      (in10  ?  0x00000400 : 0) | (in11  ?  0x00000800 : 0) |
      (in12  ?  0x00001000 : 0) | (in13  ?  0x00002000 : 0) |
      (in14  ?  0x00004000 : 0) | (in15  ?  0x00008000 : 0) ;
}


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12798 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-09 22:50:22 +00:00
Chris Lattner
8ba725b456 Implement ScalarRepl/select_promote.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12779 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-08 19:59:34 +00:00
Chris Lattner
28977af72a Support getelementptr instructions which use uint's to index into structure 
types and can have arbitrary 32- and 64-bit integer types indexing into
sequential types.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12653 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-05 01:30:19 +00:00
Chris Lattner
7aa773bc07 Fix the obvious bug in my previous checkin 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12618 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-02 18:15:10 +00:00
Chris Lattner
147af6b75f Implement Transforms/SimplifyCFG/return-merge.ll 
This actually causes us to turn code like:

  return C ? A : B;

into a select instruction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12617 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-02 18:13:43 +00:00
Chris Lattner
c68bace452 Fix PR310 and TailDup/2004-04-01-DemoteRegToStack.llx 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12597 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-01 20:28:45 +00:00
Chris Lattner
4edf6c043e Remove some assertions that are now bogus with the last patch I put in 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12595 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-01 19:21:46 +00:00
Chris Lattner
4f303bd4a5 Fix PR306: Loop simplify incorrectly updates dominator information 
Testcase: LoopSimplify/2004-04-01-IncorrectDomUpdate.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12592 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-01 19:06:07 +00:00
Chris Lattner
0e28eca4bc Add warning 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12573 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-31 22:00:30 +00:00
Chris Lattner
1438102576 Fix linking of constant expr casts due to type resolution changes. With 
this and the other patches 253.perlbmk links again.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12565 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-31 02:58:28 +00:00