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Author SHA1 Message Date
Chris Lattner
e8425c5a5e qoi bug fixed 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11127 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-05 00:48:41 +00:00
Chris Lattner
adf9b90411 Implement optimizations for handling large basic blocks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11126 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-05 00:36:43 +00:00
Alkis Evlogimenos
14be64018f Modify the two address instruction pass to remove the duplicate 
operand of the instruction and thus simplify the register allocation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11124 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-04 22:17:40 +00:00
Chris Lattner
a33ceaa2d4 Minor speedup, don't query ValueMap each time through the loop 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11123 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-04 21:44:26 +00:00
Brian Gaeke
7a45c49344 Always replace instead of appending when creating archive files. It may be 
slightly slower, but I think we can handle it, especially if it means
BytecodeLibs are correctly regenerated.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11122 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-04 21:41:23 +00:00
Brian Gaeke
fc1f6e835c Include <iosfwd> and <string> instead of <iostream>. 
Take away the default iostream argument of createMachineFunctionPrinterPass(),
at Chris's request.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11121 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-04 21:41:10 +00:00
Brian Gaeke
74ceb298fe Take away the default iostream argument of createMachineFunctionPrinterPass(), 
at Chris's request.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11120 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-04 21:41:01 +00:00
Brian Gaeke
3b9f445c13 Clean out DESTLIBBYTECODE when making clean in runtime. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11119 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-04 21:40:49 +00:00
Chris Lattner
c1df7e1799 Two changes: 
1. Don't scan to the end of alloca instructions in the caller function to
     insert inlined allocas, just insert at the top.  This saves a lot of
     time inlining into functions with a lot of allocas.
  2. Use splice to move the alloca instructions over, instead of remove/insert.
     This allows us to transfer a block at a time, and eliminates a bunch of
     silly symbol table manipulations.

This speeds up the inliner on the testcase in PR209 from 1.73s -> 1.04s (67%)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11118 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-04 21:33:42 +00:00
Alkis Evlogimenos
f0339396c1 IMULri* instructions do not require their first two registers operands 
to be the same (IOW they are not two address instructions).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11117 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-04 17:21:04 +00:00
Chris Lattner
44a6807f4f Optimize the case where we are inlining a function that contains only one basic block, 
and that basic block ends with a return instruction.  In this case, we can just splice
the cloned "body" of the function directly into the source basic block, avoiding a lot
of rearrangement and splitBasicBlock's linear scan over the split block.  This speeds up
the inliner on the testcase in PR209 from 2.3s to 1.7s, a 35% reduction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11116 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-04 04:17:06 +00:00
Chris Lattner
cb2b3e5005 Check in header file I forgot before. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11115 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-04 03:59:08 +00:00
Chris Lattner
c24a076c6a Adjust to the new BasicBlock ctor, which requires a function parameter 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11114 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-04 03:58:28 +00:00
Chris Lattner
4f05611ed9 Adjust to the new BB ctor 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11113 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-04 03:57:50 +00:00
Chris Lattner
3fb57b691d Delete the BasicBlock ctor that only takes a BasicBlock to insert before. This 
fails when the basic block points to the function->end.  Instead, require that
the client pass in the function AND the basicblock to insert into.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11112 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-04 03:57:34 +00:00
Chris Lattner
3b332fd376 Remove unneeded code now that splitBasicBlock does the "right thing" 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11111 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-04 03:21:51 +00:00
Chris Lattner
c6aa017eae When splitting a basic block, insert the new half immediately after the first 
half.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11110 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-04 03:21:31 +00:00
Chris Lattner
5e923dee60 More refactoring. Move alloca instructions and handle invoke instructions 
before we delete the original call site, allowing slight simplifications of
code, but nothing exciting.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11109 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-04 02:51:48 +00:00
Chris Lattner
5052c911ec Move the cloning of the function body much earlier in the inlinefunction 
process.  The only optimization we did so far is to avoid creating a
PHI node, then immediately destroying it in the common case where the
callee has one return statement.  Instead, we just don't create the return
value.  This has no noticable performance impact, but paves the way for
future improvements.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11108 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-04 01:41:09 +00:00
Chris Lattner
23b4c68f46 Give CloneBasicBlock an optional function argument to specify which function 
to add the cloned block to.  This allows the block to be added to the function
immediately, and all of the instructions to be immediately added to the function
symbol table, which speeds up the inliner from 3.7 -> 3.38s on the PR209.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11107 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-04 01:19:43 +00:00
Chris Lattner
786993c01e If changing a parent, don't add then remove the object from the leak detector 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11106 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-04 01:06:38 +00:00
Chris Lattner
f2c3106866 In BasicBlock::splitBasicBlock, just use islist::splice to move the instructions, 
instead of a loop that is really inefficient with large basic blocks.

This speeds up the inliner pass on the testcase in PR209 from 13.8s to 2.24s
which still isn't exactly speedy, but is a lot better.  :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11105 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-03 23:11:21 +00:00
Chris Lattner
6a8c2907b0 Revised version of a patch for PR222 that works with my version of gmake. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11104 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-03 23:05:24 +00:00
Chris Lattner
3e0bd31742 Bug fixed 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11103 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-03 22:59:56 +00:00
Chris Lattner
9cf662b367 Apply Michael Kahl's patch to fix the 'make tools-only' target when OBJDIR != SRCDIR. 
See PR222.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11102 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-03 22:56:40 +00:00
Chris Lattner
e47f78ed12 Bunch up all locally used allocas by the block they are allocated in, and 
process them all as a group.  This speeds up SRoA/mem2reg from 28.46s to
0.62s on the testcase from PR209.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11100 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-03 22:34:12 +00:00
Chris Lattner
7fecc2e5e2 Handle extremely trivial cases extremely efficiently. This speeds up 
SRoA/mem2reg from 41.2s to 27.5s on the testcase in PR209.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11099 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-03 22:00:33 +00:00
Chris Lattner
9f08a92e6c Generate ftst instructions for comparison against zero 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11098 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-03 18:54:04 +00:00
Chris Lattner
acc00bc609 bug fixed 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11097 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-03 08:03:41 +00:00
Chris Lattner
3b904eb351 Add the ftst instruction 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11095 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-03 07:27:50 +00:00
Chris Lattner
b97046ae4f Add support for one argument OneArgFP instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11094 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-03 07:27:34 +00:00
Alkis Evlogimenos
4e7854407c When an instruction like: A += B had both A and B virtual registers 
spilled, A was loaded from its stack location twice. This fixes the bug.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11093 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-03 01:13:07 +00:00
Alkis Evlogimenos
9fe7602862 Revert changes. Will implement this using a different set of primitives 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11091 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-02 23:08:58 +00:00
Alkis Evlogimenos
cc6a1290fc Fix debugging output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11088 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-02 22:00:32 +00:00
Alkis Evlogimenos
eea81bafd6 Correctly update def/use information for modified machine operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11087 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-02 21:56:40 +00:00
Alkis Evlogimenos
782ce955b2 Add MachineOperand::setDef() and MachineOperand::setUse() so that the 
TwoAddressInstructionPass can correctly update use/def information.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11086 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-02 21:55:18 +00:00
Alkis Evlogimenos
b606eaca1b Should be more careful. The previously applied change made all counts 
outside of loops = 0.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11085 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-02 20:29:57 +00:00
Chris Lattner
84a102a780 Floating point negates are -0.0 - X, not 0.0 - X 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11084 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-02 20:21:29 +00:00
Chris Lattner
0517e72096 Disable (x - (y - z)) => (x + (z - y)) optimization for floating point. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11083 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-02 20:09:56 +00:00
Chris Lattner
529429224c Update comment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11082 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-02 20:09:22 +00:00
Chris Lattner
1580193020 No need to declare implicit uses/defs of ST0 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11081 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-02 19:57:45 +00:00
Chris Lattner
02babb8817 Bug fixed 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11080 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-02 19:40:06 +00:00
Brian Gaeke
09ca4115ee Make deadarghaX0r warning louder. 
(I just love typing haX0r.   haX0r haX0r haX0r.)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11079 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-02 19:32:27 +00:00
Chris Lattner
9f8fd6d9ea Generate the fchs instruction to negate a floating point number 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11078 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-02 19:31:38 +00:00
Chris Lattner
4a06f35484 Add support for OneArgFPRW instructions, fix a couple of typeos 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11077 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-02 19:23:15 +00:00
Brian Gaeke
03f84a969c Include PowerPC.h. Flesh out the stub versions of addPassesToEmitAssembly() 
and addPassesToJITCompile() slightly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11076 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-02 19:06:36 +00:00
Brian Gaeke
2217bdbf68 Add a -march=powerpc option. Automatically select it if this looks like a 
big-endian, 32-bit module, or if __ppc__, __POWERPC__, or __APPLE__ are
defined.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11075 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-02 19:06:12 +00:00
Brian Gaeke
7ca255b76c Link in the PowerPC back-end. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11074 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-02 19:05:52 +00:00
Brian Gaeke
b77232d1fc Add comments describing how you would add prototypes for factory methods for 
PowerPC-specific passes here.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11073 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-02 19:05:28 +00:00
Brian Gaeke
2d62c896a5 Add prototype for llvm::allocatePowerPCTargetMachine(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11072 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-02 19:05:08 +00:00