Chris Lattner
4e6c746899
Implement handling of most long operators through libcalls.
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Fix a bug legalizing "ret (Val,Val)"
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19375 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-08 19:27:05 +00:00
Chris Lattner
cf5734dddd
Adjust to changes in LowerCAllTo interfaces
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19374 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-08 19:26:18 +00:00
Jeff Cohen
bf65268def
Add more missing createXxxPass functions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19370 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-08 17:21:40 +00:00
Chris Lattner
ae0aacb833
Add support for FP->INT conversions and back.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19369 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-08 08:08:56 +00:00
Chris Lattner
8c92628d1c
Wrap long line.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19367 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-08 06:59:50 +00:00
Chris Lattner
5d2c6c784b
Implement the 'store FPIMM, Ptr' -> 'store INTIMM, Ptr' optimization for
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all targets.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19366 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-08 06:25:56 +00:00
Chris Lattner
623f70dd4c
1ULL << 64 is undefined, don't do it.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19365 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-08 06:24:30 +00:00
Chris Lattner
7ab65934a0
The X86 instruction selector already handles codegen of:
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store float 123.45, float* %P
as an integer store. This adds handling of float immediate stores as integers
for arguments passed function calls.
This is now tested by CodeGen/X86/store-fp-constant.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19364 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-08 05:45:24 +00:00
Chris Lattner
7c68ec6b70
Fix a pointer invalidation problem. This fixes Generic/badarg6.ll
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19361 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-07 23:32:00 +00:00
Chris Lattner
5351e9b172
Fold conditional branches on constants away.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19360 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-07 22:49:57 +00:00
Chris Lattner
4287d5e355
Fix a thinko in the reassociation code, fixing Generic/badlive.ll
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19359 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-07 22:44:09 +00:00
Chris Lattner
b00a6425de
Add support for truncating integer casts from long.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19358 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-07 22:37:48 +00:00
Chris Lattner
8afc48e44a
Fix a bug in load expansion legalization and ret legalization. This fixes
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CodeGen/Generic/select.ll:castconst.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19357 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-07 22:28:47 +00:00
Chris Lattner
c7af17923e
Legalize unconditional branches too
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19356 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-07 22:12:08 +00:00
Chris Lattner
7cc4777a26
Implement support for long GEP indices on 32-bit archs and support for
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int GEP indices on 64-bit archs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19354 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-07 21:56:57 +00:00
Chris Lattner
fd8c39b773
Simplify: truncate ({zero|sign}_extend (X))
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19353 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-07 21:56:24 +00:00
Chris Lattner
03c0cf822e
implement legalization of a bunch more operators.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19352 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-07 21:45:56 +00:00
Chris Lattner
fad71ebe1e
Fix another bug legalizing calls!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19350 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-07 21:35:32 +00:00
Chris Lattner
f44fd88e9c
Fix handling of dead PHI nodes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19349 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-07 21:34:19 +00:00
Chris Lattner
ebda942efc
Fix a bug legalizing calls
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19348 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-07 21:34:13 +00:00
Chris Lattner
62fd269c14
After legalizing a DAG, delete dead nodes to save space.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19346 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-07 21:09:37 +00:00
Chris Lattner
0e12e6e041
Implement RemoveDeadNodes
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19345 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-07 21:09:16 +00:00
Chris Lattner
c18ae4cb6a
Teach legalize how to handle condbranches
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19339 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-07 08:19:42 +00:00
Chris Lattner
18ad19488d
Allow the selection-dag based selector to be diabled with -disable-pattern-isel.
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For now, this is the default, as the current selector is missing some big pieces.
To enable the new selector, pass -disable-pattern-isel=false to llc or lli.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19335 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-07 07:50:50 +00:00
Chris Lattner
8acb1ba04d
Reimplementation of the X86 pattern isel. This is still missing many large
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pieces, but can already do amazing things in some cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19334 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-07 07:49:41 +00:00
Chris Lattner
d844d0128a
This file is now dead.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19333 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-07 07:49:05 +00:00
Chris Lattner
95cdb36714
Add a new prototype
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19332 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-07 07:48:33 +00:00
Chris Lattner
1c08c714bb
Initial implementation of the SelectionDAGISel class. This contains most
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of the code for lowering from LLVM code to a SelectionDAG.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19331 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-07 07:47:53 +00:00
Chris Lattner
b75c12de67
This file is obsolete
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19330 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-07 07:47:23 +00:00
Chris Lattner
3e928bbd61
Initial implementation of the DAG legalization. This still has a long way
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to go, but it does work for some non-trivial cases now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19329 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-07 07:47:09 +00:00
Chris Lattner
c3aae25116
Complete rewrite of the SelectionDAG class.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19327 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-07 07:46:32 +00:00
Chris Lattner
310968cbbb
First draft of new Target interface
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19324 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-07 07:44:53 +00:00
Chris Lattner
fe59d36c45
Add convenience method.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19321 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-07 07:40:32 +00:00
Misha Brukman
60766f7d41
Convert tabs to spaces
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19320 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-07 07:05:34 +00:00
Jeff Cohen
d9ed8c8880
Add missing createXxxPass functions
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19319 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-07 06:57:28 +00:00
Jeff Cohen
30becbda10
Add missing include
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19315 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-07 05:42:13 +00:00
Chris Lattner
6ac95f9679
Codegen -1 and -0.0 more efficiently. This implements CodeGen/X86/negatize_zero.ll
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19313 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-06 21:19:16 +00:00
Chris Lattner
488742a28e
No need to pessimize current code for future possibilities.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19311 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-06 16:26:38 +00:00
Jeff Cohen
f5e58f8f43
Put createLoopUnswitchPass() into proper namespace
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19306 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-06 05:47:18 +00:00
Jeff Cohen
8ca7191599
Add missing include
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19305 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-06 05:46:44 +00:00
Jeff Cohen
d01f65aea1
Fix CBE code so that it compiles with VC++.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19303 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-06 04:21:49 +00:00
Chris Lattner
5384b38ccc
1. If a double FP constant must be put into a constant pool, but it can be
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precisely represented as a float, put it into the constant pool as a
float.
2. Use the cbw/cwd/cdq instructions instead of an explicit SAR for signed
division.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19291 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-05 16:30:14 +00:00
Chris Lattner
0539313fe5
Minor optimization to allocate R8 registers in a better order.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19289 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-05 16:09:16 +00:00
Chris Lattner
71d94d16b6
To not break TBAA rules, use a union.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19280 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-04 01:56:57 +00:00
Jeff Cohen
1c32f79a82
Revert elimination of global variable hack... still needed.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19273 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-03 16:34:19 +00:00
Chris Lattner
10197ff5cd
ADC and IMUL are also commutable.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19264 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-03 01:27:59 +00:00
Chris Lattner
35e5c7c186
This hunk:
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- unsigned TrueValue = getReg(TrueVal, BB, BB->begin());
+ unsigned TrueValue = getReg(TrueVal);
Fixes the PPC regressions from last night.
The other hunk is just a clarity improvement.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19263 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-02 23:07:31 +00:00
Reid Spencer
d6b1f5fee6
Correct the case of a #include directory name, just in case.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19254 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-02 09:45:04 +00:00
Jeff Cohen
40296bdf27
Eliminate the use of the global variable hack in the X86 target that was used
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to get Visual Studio to link in X86.lib to the executables that need it. There
is another way of doing it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19252 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-02 04:23:12 +00:00
Chris Lattner
5aee0b97aa
Disable 2->3 address promotion of add and inc instructions to LEA's. In
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addition to being three address, LEA's don't set the flags.
This fixes 186.crafty.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19251 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-02 04:18:17 +00:00