Chris Lattner
555d8d6f4b
Fix CodeGen/PowerPC/2006-12-07-SelectCrash.ll on PPC64
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32336 91177308-0d34-0410-b5e6-96231b3b80d8
2006-12-07 22:36:47 +00:00
Bill Wendling
bcd2498f4f
Removed more <iostream> includes
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32321 91177308-0d34-0410-b5e6-96231b3b80d8
2006-12-07 20:28:15 +00:00
Bill Wendling
832171cb97
Removing even more <iostream> includes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32320 91177308-0d34-0410-b5e6-96231b3b80d8
2006-12-07 20:04:42 +00:00
Reid Spencer
fe46361719
Revision 1.83 causes PR1037.
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Reverted.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32305 91177308-0d34-0410-b5e6-96231b3b80d8
2006-12-07 16:21:19 +00:00
Evan Cheng
7d3223eef2
Initialize {Min|Max}CSFrameIndex properly.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32299 91177308-0d34-0410-b5e6-96231b3b80d8
2006-12-07 02:25:34 +00:00
Bill Wendling
e81561909d
Changed llvm_ostream et all to OStream. llvm_cerr, llvm_cout, llvm_null, are
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now cerr, cout, and NullStream resp.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32298 91177308-0d34-0410-b5e6-96231b3b80d8
2006-12-07 01:30:32 +00:00
Evan Cheng
51cdcd1972
MI keeps a ptr of TargetInstrDescriptor, use it.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32296 91177308-0d34-0410-b5e6-96231b3b80d8
2006-12-07 01:21:59 +00:00
Evan Cheng
6065f66e7c
getOperandConstraint returns -1 if the operand does have the specific constraint. This bug was causing excessive spills.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32295 91177308-0d34-0410-b5e6-96231b3b80d8
2006-12-07 00:46:04 +00:00
Chris Lattner
ac0b6ae358
Detemplatize the Statistic class. The only type it is instantiated with
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is 'unsigned'.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32279 91177308-0d34-0410-b5e6-96231b3b80d8
2006-12-06 17:46:33 +00:00
Jim Laskey
2b4e98cb20
Some addresssed should be 64-bit and some shouldn't.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32278 91177308-0d34-0410-b5e6-96231b3b80d8
2006-12-06 17:43:18 +00:00
Evan Cheng
576d123e13
Move copyKillDeadInfo out-of-line. Add findRegisterUseOperand().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32273 91177308-0d34-0410-b5e6-96231b3b80d8
2006-12-06 08:27:42 +00:00
Chris Lattner
4c7e227973
eliminate fp statistic
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32251 91177308-0d34-0410-b5e6-96231b3b80d8
2006-12-06 01:48:55 +00:00
Jeff Cohen
97af751deb
Unbreak VC++ build.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32113 91177308-0d34-0410-b5e6-96231b3b80d8
2006-12-02 02:22:01 +00:00
Evan Cheng
ba59a1e453
Match TargetInstrInfo changes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32098 91177308-0d34-0410-b5e6-96231b3b80d8
2006-12-01 21:52:58 +00:00
Jim Laskey
2bbff6d173
better check for version
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32045 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-30 18:29:23 +00:00
Jim Laskey
2172f966ca
Change global descriptor names to provide name, full name and linkage name.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32036 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-30 14:35:45 +00:00
Jim Laskey
749b01d5ff
Temp fix to deal gdb issue.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32035 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-30 11:09:42 +00:00
Evan Cheng
67f660cb08
- MachineInstr now keeps a ptr to TargetInstrDescriptor instead of Opcode.
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- Remove the ugly TargetInstrDescriptors hack.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32032 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-30 07:08:44 +00:00
Evan Cheng
6a16c5ab2d
Avoid inifinite looping if READCYCLECOUNTER isn't custom lowered.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32022 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-29 19:13:47 +00:00
Jim Laskey
36729ddd23
Eliminate unnecessary scopes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32020 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-29 16:55:57 +00:00
Evan Cheng
f0b3ba6752
Allow target to custom lower READCYCLECOUNTER (when it doesn't have to be expanded).
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32016 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-29 08:26:18 +00:00
Evan Cheng
f3e486e069
Fix for PR1023 by Dan Gohman.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32003 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-29 01:58:12 +00:00
Evan Cheng
a5a57d66f5
Fix for PR1022 (folding loads of static initializers) by Dan Gohman.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32000 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-29 01:38:07 +00:00
Chris Lattner
3f7927c84c
add a hook to allow targets to hack on inline asms to lower them to llvm
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when they want to.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31997 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-29 01:12:32 +00:00
Bill Wendling
bdc679d564
Converted to using llvm streams instead of <iostream>s
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31992 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-29 00:39:47 +00:00
Bill Wendling
a09362eb97
Use llvm streams instead of <iostream>
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31985 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-28 22:48:48 +00:00
Bill Wendling
38b0e7bbf2
Put the #include for a module first.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31958 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-28 03:31:29 +00:00
Evan Cheng
8bcb042f22
Clean up.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31957 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-28 02:25:34 +00:00
Bill Wendling
d9fd2acc1f
Changed to using llvm streams.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31954 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-28 02:08:17 +00:00
Chris Lattner
b6c806045b
Fix PR1016
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31950 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-28 01:03:30 +00:00
Evan Cheng
c0f64ffab9
Change MachineInstr ctor's to take a TargetInstrDescriptor reference instead
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of opcode and number of operands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31947 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-27 23:37:22 +00:00
Chris Lattner
3687c1a4d3
Fix the dag combiner bug corresponding to PR1014.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31943 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-27 21:50:02 +00:00
Chris Lattner
bc4cf8d5b1
For better or worse, load from i1 is assumed to be zero extended. Do not
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form a load from i1 from larger loads that may not be zext'd.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31933 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-27 04:40:53 +00:00
Chris Lattner
f9908172e9
If a brcond condition is promoted, make sure to zero extend it, even if not
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expanded into BR_CC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31932 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-27 04:39:56 +00:00
Reid Spencer
3da59db637
For PR950:
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The long awaited CAST patch. This introduces 12 new instructions into LLVM
to replace the cast instruction. Corresponding changes throughout LLVM are
provided. This passes llvm-test, llvm/test, and SPEC CPUINT2000 with the
exception of 175.vpr which fails only on a slight floating point output
difference.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31931 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-27 01:05:10 +00:00
Jim Laskey
0374248e86
Global label not handled correctly.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31883 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-20 20:29:06 +00:00
Chris Lattner
32ba1aa204
Fix PR1011 and CodeGen/Generic/2006-11-20-DAGCombineCrash.ll
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31878 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-20 18:05:46 +00:00
Chris Lattner
a138c6c73a
setOperand should not zap the operand list or add implicit operands to an
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instruction. Doing so breaks the FP stackifier, the alpha branch selector
the sparc fpmover.
This fixes PR1012 and CodeGen/X86/fp-stack-compare.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31876 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-20 17:57:22 +00:00
Reid Spencer
45fb3f3cb2
For PR950:
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First in a series of patches to convert SetCondInst into ICmpInst and
FCmpInst using only two opcodes and having the instructions contain their
predicate value. Nothing uses these classes yet. More patches to follow.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31867 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-20 01:22:35 +00:00
Chris Lattner
4b10591265
Don't transform in another bad case: if the block is empty, it should be
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simplified before we do this xform so that our cost model is accurate.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31864 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-18 22:25:39 +00:00
Chris Lattner
f10a56a86f
Fix another case we *don't* want to do this xform.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31861 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-18 21:56:39 +00:00
Chris Lattner
1ccc4684f3
Implement operator<< for machine basic blocks to make it easier to dump them.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31857 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-18 21:47:36 +00:00
Chris Lattner
154e104718
make the previous change more aggressive, moving any block with no fallthrough.
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This speeds up yacr2 by 7% on a core2.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31856 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-18 21:30:35 +00:00
Chris Lattner
a7bef4a4e4
Minor code layout tweak: if we have something like this:
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if (cond) goto BB2
BB1:
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return;
BB2:
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Move BB1 to the end of the function so that the code falls through in the
non-return case. This has the effect of moving assert (and other no-return
call) bodies and return blocks out of loops.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31855 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-18 20:47:54 +00:00
Jim Laskey
5f64a16869
Fixing the ENABLE_OPTIMIZED=1 DISABLE_ASSERTIONS=1 build.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31822 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-17 13:07:55 +00:00
Bill Wendling
b2b9c20b61
More removal of std::cerr and DEBUG, replacing with DOUT instead.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31806 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-17 02:09:07 +00:00
Bill Wendling
54fcc7f704
Replace std::cerr uses of the "DEBUG" macro with "DOUT" instead. Removes
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a #include of iostream.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31800 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-17 00:50:36 +00:00
Bill Wendling
00e533043d
*** empty log message ***
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31789 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-16 20:11:33 +00:00
Evan Cheng
ce9a576f29
Match MachineCodeEmitter changes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31787 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-16 20:04:04 +00:00
Bill Wendling
beeb77f3ae
Don't recompute getNumOperands for each iteration.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31783 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-16 07:35:18 +00:00
Bill Wendling
01352aa187
Added a new method "CreateNewLiveInterval" which, given a list of
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LiveRanges, creates a new LiveInterval from them. The LiveRanges should
have existed already in another LiveInterval, but removed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31780 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-16 02:41:50 +00:00
Chris Lattner
e01eaa09c6
enable the branch folding pass for the JIT.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31777 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-16 01:00:07 +00:00
Evan Cheng
cc47021f49
Fix an incorrectly inverted condition.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31773 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-16 00:08:20 +00:00
Evan Cheng
ddee842062
Match live variable changes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31762 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-15 20:55:15 +00:00
Evan Cheng
6b2c05f3d3
Minor updates.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31761 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-15 20:54:29 +00:00
Evan Cheng
9a1956ae6a
A register def can be partially dead when the whole register has use(s) but a subreg does not.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31760 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-15 20:54:11 +00:00
Evan Cheng
a6c4c1eb90
Do away with kill / dead maps. Move kill / dead info onto MI's.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31759 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-15 20:51:59 +00:00
Chris Lattner
b71fd7897f
Simplify IntrinsicLowering and clarify that it is only for use by the
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CBE and interpreter.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31755 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-15 18:00:10 +00:00
Chris Lattner
43193d60e9
remove dead #include
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31753 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-15 17:51:15 +00:00
Evan Cheng
7ce4578353
Matches MachineInstr changes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31712 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-13 23:36:35 +00:00
Evan Cheng
d7de496b23
- Let MachineInstr ctors add implicit def and use operands. Other operands
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will be inserted before these operands. If the opcode changes (by
setOpcode), the implicit operands are updated as well.
- Added IsKill, IsDead fields to MachineOperand in preparation for changes
that move kill / dead info to MachineInstr's.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31711 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-13 23:34:06 +00:00
Reid Spencer
a07d5b9164
Make an assert comment match the tested assertion.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31686 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-11 20:07:59 +00:00
Evan Cheng
3ba433a7e8
Add methods to add implicit def use operands to a MI.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31675 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-11 10:20:02 +00:00
Chris Lattner
41e53fd39b
disallow preinc of a frameindex. This is not profitable and causes 2-addr
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pass to explode. This fixes a bunch of llc-beta failures on ppc last night.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31661 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-11 01:00:15 +00:00
Chris Lattner
9f1794ea58
reduce indentation by using early exits. No functionality change.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31660 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-11 00:56:29 +00:00
Chris Lattner
448f219fed
move big chunks of code out-of-line, no functionality change.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31658 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-11 00:39:41 +00:00
Chris Lattner
734c91d250
Fix a dag combiner bug exposed by my recent instcombine patch. This fixes
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CodeGen/Generic/2006-11-10-DAGCombineMiscompile.ll and PPC gsm/toast
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31644 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-10 21:37:15 +00:00
Evan Cheng
438f7bc67c
Add implicit def / use operands to MachineInstr.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31633 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-10 08:43:01 +00:00
Evan Cheng
a7ff64d608
When forming a pre-indexed store, make sure ptr isn't the same or is a pred of value being stored. It would cause a cycle.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31631 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-10 08:28:11 +00:00
Chris Lattner
1e7aa5c209
commentate
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31627 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-10 04:41:34 +00:00
Evan Cheng
8dc5cad8a2
Don't attempt expensive pre-/post- indexed dag combine if target does not support them.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31598 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-09 19:10:46 +00:00
Evan Cheng
5ff839fbab
Add a mechanism to specify whether a target supports a particular indexed load / store.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31597 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-09 18:56:43 +00:00
Evan Cheng
0030582239
Rename ISD::MemOpAddrMode to ISD::MemIndexedMode
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31596 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-09 18:44:21 +00:00
Evan Cheng
144d8f09e1
Rename ISD::MemOpAddrMode to ISD::MemIndexedMode
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31595 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-09 17:55:04 +00:00
Jim Laskey
85f419b36c
Allows debugging llc self hosted.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31594 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-09 16:32:26 +00:00
Jim Laskey
5496f01465
Merging dwarf info to a single compile unit.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31593 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-09 14:52:14 +00:00
Evan Cheng
d258efaf6e
getPostIndexedAddressParts change: passes in load/store instead of its loaded / stored VT.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31584 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-09 04:29:46 +00:00
Evan Cheng
a1fd6504aa
Remove M_2_ADDR_FLAG.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31583 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-09 02:22:54 +00:00
Evan Cheng
b00dddd164
Match more post-indexed ops.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31569 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-08 20:27:27 +00:00
Jim Laskey
d6c3422e31
Remove redundant <cmath>.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31561 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-08 19:16:44 +00:00
Jim Laskey
6ea0f6bce8
Now can re-enable debug label folding.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31549 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-08 14:17:45 +00:00
Evan Cheng
03fa6ea402
- When performing pre-/post- indexed load/store transformation, do not worry
...
about whether the new base ptr would be live below the load/store. Let two
address pass split it back to non-indexed ops.
- Minor tweaks / fixes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31544 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-08 08:30:28 +00:00
Evan Cheng
a4f53ef527
Fixed a minor bug preventing some pre-indexed load / store transformation.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31543 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-08 06:56:05 +00:00
Reid Spencer
3822ff5c71
For PR950:
...
This patch converts the old SHR instruction into two instructions,
AShr (Arithmetic) and LShr (Logical). The Shr instructions now are not
dependent on the sign of their operands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31542 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-08 06:47:33 +00:00
Evan Cheng
6c1491dd06
Fix a obscure post-indexed load / store dag combine bug.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31537 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-08 02:38:55 +00:00
Chris Lattner
5d056952ba
optimize single MBB loops better. In particular, produce:
...
LBB1_57: #bb207.i
movl 72(%esp), %ecx
movb (%ecx,%eax), %cl
movl 80(%esp), %edx
movb %cl, 1(%edx,%eax)
incl %eax
cmpl $143, %eax
jne LBB1_57 #bb207.i
jmp LBB1_64 #cond_next255.i
intead of:
LBB1_57: #bb207.i
movl 72(%esp), %ecx
movb (%ecx,%eax), %cl
movl 80(%esp), %edx
movb %cl, 1(%edx,%eax)
incl %eax
cmpl $143, %eax
je LBB1_64 #cond_next255.i
jmp LBB1_57 #bb207.i
This eliminates a branch per iteration of the loop. This hurted PPC
particularly, because the extra branch meant another dispatch group for each
iteration of the loop.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31530 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-08 01:03:21 +00:00
Jim Laskey
4d0c1a04bc
Accidently reran commit.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31516 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-07 21:58:55 +00:00
Jim Laskey
5e213ea697
Missed a label map, reverting till covered.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31514 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-07 21:37:31 +00:00
Jim Laskey
fffcd69709
Missed a label map, reverting till covered.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31512 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-07 20:53:05 +00:00
Jim Laskey
9d4209fb82
1. Add a pass to fold debug label instructions so a debug info client can detect
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empty ranges.
2. Reorg how MachineDebugInfo maintains changes to debug labels.
3. Have dwarf writer use debug label info to simplify scopes and source line
coorespondence.
4. Revert the merging of compile units until I can get the bugs ironed out.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31507 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-07 19:33:46 +00:00
Chris Lattner
393ebae0ef
Enable improved spilling costs by default. This speeds up viterbi on x86
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by 40%, FreeBench/fourinarow by 20%, and many other programs 10-25%.
On PPC, this speeds up fourinarow by 18%, and probably other things as well.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31504 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-07 18:04:58 +00:00
Jim Laskey
7902c75331
Use correct value for float HUGH_VAL.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31500 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-07 12:25:45 +00:00
Evan Cheng
bbd6f6ec1a
Add post-indexed load / store transformations.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31498 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-07 09:03:05 +00:00
Chris Lattner
b75a663707
Add a new llcbeta option. This speeds up viterbi from 12.34 to 8.76s on
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X86. If happy, I'll enable this by default.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31493 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-07 07:18:40 +00:00
Reid Spencer
5a4951e936
Unbreak X86/ELF Debugging. Somehow this line got lost in Jim's cleanup.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31492 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-07 06:36:36 +00:00
Chris Lattner
fa9aa2b424
Fix PR988 and CodeGen/Generic/2006-11-06-MemIntrinsicExpand.ll.
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The low part goes in the first operand of expandop, not the second one.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31487 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-07 04:11:44 +00:00
Evan Cheng
d5ad440f43
Remove dead code; added a missing null ptr check.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31478 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-06 21:33:46 +00:00
Jim Laskey
f910a3ff0f
Tab interferes with uniqueness.
...
NOTE: There doesn't seem to be consistency for whether a leading tab
is present in a section heading.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31475 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-06 16:23:59 +00:00
Jim Laskey
84ca10f47b
D'oh - reversed logic.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31474 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-06 13:20:29 +00:00
Evan Cheng
3ef554d2b1
Add comment.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31473 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-06 08:14:30 +00:00
Jeff Cohen
d41b30def3
Unbreak VC++ build.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31464 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-05 19:31:28 +00:00
Evan Cheng
33dbedcdcb
Added pre-indexed store support.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31459 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-05 09:31:14 +00:00
Evan Cheng
9109fb1eb7
Added getIndexedStore.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31458 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-05 09:30:09 +00:00
Jim Laskey
5cd496e727
Live local variables are being dropped because the begin or end labels marking
...
their scope are being deleted. Workaround is to widen scope to full function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31454 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-04 10:48:07 +00:00
Evan Cheng
95f6edeff5
Changes to use operand constraints to process two-address instructions.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31453 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-04 09:44:31 +00:00
Evan Cheng
e077ef6e85
Fixed some spiller bugs exposed by the recent two-address code changes. Now
...
there may be other def(s) apart from the use&def two-address operand. We need
to check if the register reuse for a use&def operand may conflicts with another
def. Provide a mean to recover from the conflict if it is detected when the
defs are processed later.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31439 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-04 00:21:55 +00:00
Chris Lattner
033b107e10
this will work better
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31419 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-03 19:15:55 +00:00
Chris Lattner
0709718665
Fix the build on xcode < 2.4
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31417 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-03 19:13:59 +00:00
Evan Cheng
e6e97e66a3
Fix comments.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31414 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-03 07:31:32 +00:00
Evan Cheng
1a854be352
Rename
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31413 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-03 07:21:16 +00:00
Reid Spencer
b8f4e0aa17
Remove dead variable. Fix 80 column violations.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31412 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-03 03:30:34 +00:00
Evan Cheng
7fc033a24d
Added DAG combiner transformation to generate pre-indexed loads.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31410 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-03 03:06:21 +00:00
Evan Cheng
c5fc57dcae
Added isPredecessor.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31409 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-03 03:05:24 +00:00
Evan Cheng
bf105c8424
Proper check for two-addressness.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31408 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-03 03:04:46 +00:00
Chris Lattner
02cb49ee67
silence warning
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31397 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-03 01:28:29 +00:00
Reid Spencer
97821311a3
Make CodeGen libs -pedantic clean.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31387 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-02 23:56:21 +00:00
Jim Laskey
f673388351
1. Hash not quite right for DIEValues.
...
2. Not going to use Usage (no significant benefit.)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31384 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-02 21:48:18 +00:00
Reid Spencer
9bd6d65e29
Remove unused variable.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31382 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-02 20:55:40 +00:00
Reid Spencer
3ed469ccd7
For PR786:
...
Turn on -Wunused and -Wno-unused-parameter. Clean up most of the resulting
fall out by removing unused variables. Remaining warnings have to do with
unused functions (I didn't want to delete code without review) and unused
variables in generated code. Maintainers should clean up the remaining
issues when they see them. All changes pass DejaGnu tests and Olden.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31380 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-02 20:25:50 +00:00
Jim Laskey
ef42a01113
General clean up of teh dwarf writer.
...
1. Most significant is the folding of debug information entries. This
reduced self hosted -g SelectionDAGISel.s from 120M to 13M and pretty
close to matching .o file sizes with gcc.
2. Debug information entry printing for debugging the dwarf code.
3. Bring all the code closer to llvm standards.
4. Misc. fixes and doc clean ups.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31379 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-02 20:12:39 +00:00
Reid Spencer
0a783f783c
For PR950:
...
Replace the REM instruction with UREM, SREM and FREM.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31369 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-02 01:53:59 +00:00
Chris Lattner
2a821601f1
Allow the getRegForInlineAsmConstraint method to return a register class with
...
no fixes physreg. Treat this as permission to use any register in the register
class. When this happens and it is safe, allow the llvm register allcoator to
allocate the register instead of doing it at isel time. This eliminates a ton
of copies around common inline asms. For example:
int test2(int Y, int X) {
asm("foo %0, %1" : "=r"(X): "r"(X));
return X;
}
now compiles to:
_test2:
foo r3, r4
blr
instead of:
_test2:
mr r2, r4
foo r2, r2
mr r3, r2
blr
GCC produces:
_test2:
foo r4, r4
mr r3,r4
blr
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31366 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-02 01:41:49 +00:00
Evan Cheng
e6ae14e1f4
Rename
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31364 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-01 23:18:32 +00:00
Evan Cheng
360c2dd25a
Two-address instructions no longer have to be A := A op C. Now any pair of dest / src operands can be tied together.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31363 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-01 23:06:55 +00:00
Evan Cheng
1dabb68ab4
Clean up.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31359 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-01 22:39:30 +00:00
Evan Cheng
93467e7fe3
CopyFromReg starts a live range so its use should not be considered a floater.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31356 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-01 22:17:06 +00:00
Chris Lattner
d4bf3c2fd6
give branch folding a simple heuristic to decide which block to split so that
...
it inserts an uncond branch where it is less likely to cause a problem. This
fixes some perf issues on ppc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31354 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-01 19:36:29 +00:00
Evan Cheng
41349c10cb
Add a printSetLabel that takes two id's.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31347 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-01 09:23:08 +00:00
Evan Cheng
6cc31ae4da
Print jumptable index.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31340 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-01 04:48:30 +00:00
Chris Lattner
1d08d83230
make tail merging more aggressive. If two blocks share a common tail, but the
...
tail is not an entire block for either of them, pick one, split it, then
merge the common part.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31336 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-01 01:16:12 +00:00
Chris Lattner
d8ccff0c3e
enable branch folding with an option
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31335 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-01 00:38:31 +00:00
Chris Lattner
0ccb500fa7
Compile CodeGen/PowerPC/fp-branch.ll to:
...
_intcoord_cond_next55:
LBB1_3: ;cond_next55
lis r2, ha16(LCPI1_0)
lfs f0, lo16(LCPI1_0)(r2)
fcmpu cr0, f1, f0
blt cr0, LBB1_2 ;cond_next62.exitStub
LBB1_1: ;bb72.exitStub
li r3, 1
blr
LBB1_2: ;cond_next62.exitStub
li r3, 0
blr
instead of:
_intcoord_cond_next55:
LBB1_3: ;cond_next55
lis r2, ha16(LCPI1_0)
lfs f0, lo16(LCPI1_0)(r2)
fcmpu cr0, f1, f0
bge cr0, LBB1_1 ;bb72.exitStub
LBB1_4: ;cond_next55
lis r2, ha16(LCPI1_0)
lfs f0, lo16(LCPI1_0)(r2)
fcmpu cr0, f1, f0
bnu cr0, LBB1_2 ;cond_next62.exitStub
LBB1_1: ;bb72.exitStub
li r3, 1
blr
LBB1_2: ;cond_next62.exitStub
li r3, 0
blr
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31330 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-31 23:06:00 +00:00
Chris Lattner
df19f27d03
look through isunordered to inline it into branch blocks.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31328 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-31 22:37:42 +00:00
Chris Lattner
efa46ce87b
handle global address constant sdnodes
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31323 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-31 20:01:56 +00:00
Chris Lattner
53069fbbae
TargetLowering::isOperandValidForConstraint
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31319 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-31 19:41:18 +00:00
Chris Lattner
dba1aeedd8
Change the prototype for TargetLowering::isOperandValidForConstraint
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31318 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-31 19:40:43 +00:00
Anton Korobeynikov
ab4022f196
1. Clean up code due to changes in SwitchTo*Section(2)
...
2. Added partial debug support for mingw\cygwin targets (the same as
Linux\ELF). Please note, that currently mingw\cygwin uses 'stabs' format
for storing debug info by default, thus many (runtime) libraries has
this information included. These formats shouldn't be mixed in one binary
('stabs' & 'DWARF'), otherwise binutils tools will be confused.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31311 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-31 08:31:24 +00:00
Chris Lattner
d03f1581c8
Turn an assert into an error message. This is commonly triggered when
...
we don't support a specific constraint yet. When this happens, print the
unsupported constraint.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31310 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-31 07:33:13 +00:00
Evan Cheng
d063189c09
Fix a typo which can break jumptables.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31305 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-31 02:31:00 +00:00
Reid Spencer
0de0c5da42
Fix a problem introduced by a last-minute change (logic negation).
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31302 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-30 23:34:32 +00:00
Reid Spencer
02b8511364
Add debug support for X86/ELF targets (Linux). This allows llvm-gcc4
...
generated object modules to be debugged with gdb. Hopefully this helps
pre-release debugging.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31299 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-30 22:32:30 +00:00
Jim Laskey
a9c83fe5e1
Switch abbreviations to use the folding set.a.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31296 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-30 15:59:54 +00:00
Jim Laskey
6519546eda
Simplify DwarfWriter header.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31295 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-30 13:35:07 +00:00
Evan Cheng
3d4ce11085
Lower jumptable to BR_JT. The legalizer can lower it to a BRIND or let the target custom lower it.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31293 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-30 08:00:44 +00:00
Evan Cheng
c41cd9c391
Added a new SDNode type: BR_JT for jumptable branch.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31292 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-30 07:59:36 +00:00
Chris Lattner
6b0e3f8907
Make CanFallThrough more intelligent (so it can handle blocks with (e.g.) no
...
successors), and make island block movement more general.
This compiles CodeGen/X86/2006-04-27-ISelFoldingBug.ll to:
_loadAndRLEsource_no_exit_2E_1_label_2E_0:
subl $8, %esp
movl %esi, 4(%esp)
movl %ebx, (%esp)
movl 16(%esp), %eax
movl 12(%esp), %ecx
LBB1_3: #label.0
movl _last, %edx
movl %edx, %esi
incl %esi
movl %esi, _last
movl %ecx, %ebx
# TRUNCATE movb %bl, %bl
movl _block, %esi
movb %bl, 1(%esi,%edx)
cmpl %eax, _last
jge LBB1_2 #codeRepl5.exitStub
LBB1_4: #label.0
cmpl $257, %ecx
je LBB1_2 #codeRepl5.exitStub
LBB1_1: #label.0.no_exit.1_crit_edge.exitStub
movl $1, %eax
movl (%esp), %ebx
movl 4(%esp), %esi
addl $8, %esp
ret
LBB1_2: #codeRepl5.exitStub
xorl %eax, %eax
movl (%esp), %ebx
movl 4(%esp), %esi
addl $8, %esp
ret
instead of:
_loadAndRLEsource_no_exit_2E_1_label_2E_0:
subl $8, %esp
movl %esi, 4(%esp)
movl %ebx, (%esp)
movl 16(%esp), %eax
movl 12(%esp), %ecx
jmp LBB1_3 #label.0
LBB1_1: #label.0.no_exit.1_crit_edge.exitStub
movl $1, %eax
movl (%esp), %ebx
movl 4(%esp), %esi
addl $8, %esp
ret
LBB1_2: #codeRepl5.exitStub
xorl %eax, %eax
movl (%esp), %ebx
movl 4(%esp), %esi
addl $8, %esp
ret
LBB1_3: #label.0
movl _last, %edx
movl %edx, %esi
incl %esi
movl %esi, _last
movl %ecx, %ebx
# TRUNCATE movb %bl, %bl
movl _block, %esi
movb %bl, 1(%esi,%edx)
cmpl %eax, _last
jge LBB1_2 #codeRepl5.exitStub
LBB1_4: #label.0
cmpl $257, %ecx
jne LBB1_1 #label.0.no_exit.1_crit_edge.exitStub
jmp LBB1_2 #codeRepl5.exitStub
... which is much better layout :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31282 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-29 21:05:41 +00:00
Chris Lattner
6a586c8d9a
fix Generic/2006-10-29-Crash.ll
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31281 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-29 21:01:20 +00:00
Chris Lattner
5a145f0094
Fix a load folding issue that Evan noticed: there is no need to export values
...
used by comparisons in the main block.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31279 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-29 18:23:37 +00:00
Evan Cheng
ba726ab3ec
VLOAD is not the LoadSDNode opcode.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31276 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-29 06:14:47 +00:00
Nick Lewycky
f6aaaaa39e
Remove spurious case. EXTLOAD is not one of the node opcodes.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31275 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-29 02:26:30 +00:00
Chris Lattner
bad7f48c70
split critical edges more carefully and intelligently. In particular, critical
...
edges whose destinations are not phi nodes don't bother us. Also, share
split edges, since the split edge can't have a phi. This significantly
reduces the complexity of generated code in some cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31274 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 19:22:10 +00:00
Chris Lattner
6acfe12dd6
Teach branch folding to fold identical jump tables together and to delete
...
jump tables that are dead.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31273 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 18:34:47 +00:00
Chris Lattner
a4eb44a285
const'ify jump table stuff
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31269 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 18:17:09 +00:00
Chris Lattner
e7251a0377
add an assert
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31267 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 18:11:20 +00:00
Chris Lattner
0737188220
don't print dead jump tables
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31266 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 18:10:06 +00:00
Chris Lattner
cf420cca57
improve deletion of blocks that just contain branches by knowing that
...
the pred block doesn't fall through into them if it's a jumptable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31263 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 17:32:47 +00:00
Jim Laskey
1c6f01aaa5
Load and stores have not been uniqued properly.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31261 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 17:25:28 +00:00
Chris Lattner
47e32e6b83
Split *all* critical edges before isel. This resolves issues with spill code
...
being inserted on unsplit critical edges, which introduces (sometimes large
amounts of) partially dead spill code.
This also fixes PR925 + CodeGen/Generic/switch-crit-edge-constant.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31260 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 17:04:37 +00:00
Chris Lattner
6fb6ef4d65
Fix a serious bug that caused any x86 vector stuff to infinite loop
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31254 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 06:15:26 +00:00
Jim Laskey
def69b92e7
Clean up.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31243 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 23:52:51 +00:00
Chris Lattner
8c494ab759
Fix a bug in merged condition handling (CodeGen/Generic/2006-10-27-CondFolding.ll).
...
Add many fewer CFG edges and PHI node entries. If there is a switch which has
the same block as multiple destinations, only add that block once as a successor/phi
node (in the jumptable case)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31242 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 23:50:33 +00:00
Jim Laskey
583bd47f77
Switch over from SelectionNodeCSEMap to FoldingSet.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31240 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 23:46:08 +00:00
Chris Lattner
1c9b2f312d
remove debug code
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31233 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 21:58:03 +00:00
Chris Lattner
d2f9ee9ea7
Codegen cond&cond with two branches. This compiles (f.e.) PowerPC/and-branch.ll to:
...
cmpwi cr0, r4, 4
bgt cr0, LBB1_2 ;UnifiedReturnBlock
LBB1_3: ;entry
cmplwi cr0, r3, 0
bne cr0, LBB1_2 ;UnifiedReturnBlock
instead of:
cmpwi cr7, r4, 4
mfcr r2
addic r4, r3, -1
subfe r3, r4, r3
rlwinm r2, r2, 30, 31, 31
or r2, r2, r3
cmplwi cr0, r2, 0
bne cr0, LBB1_2 ;UnifiedReturnBlock
LBB1_1: ;cond_true
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31232 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 21:54:23 +00:00
Chris Lattner
571e434a34
Turn conditions like x<Y|z==q into multiple blocks.
...
This compiles Regression/CodeGen/X86/or-branch.ll into:
_foo:
subl $12, %esp
call L_bar$stub
movl 20(%esp), %eax
movl 16(%esp), %ecx
cmpl $5, %eax
jl LBB1_1 #cond_true
LBB1_3: #entry
testl %ecx, %ecx
jne LBB1_2 #UnifiedReturnBlock
LBB1_1: #cond_true
call L_bar$stub
addl $12, %esp
ret
LBB1_2: #UnifiedReturnBlock
addl $12, %esp
ret
instead of:
_foo:
subl $12, %esp
call L_bar$stub
movl 20(%esp), %eax
movl 16(%esp), %ecx
cmpl $4, %eax
setg %al
testl %ecx, %ecx
setne %cl
testb %cl, %al
jne LBB1_2 #UnifiedReturnBlock
LBB1_1: #cond_true
call L_bar$stub
addl $12, %esp
ret
LBB1_2: #UnifiedReturnBlock
addl $12, %esp
ret
And on ppc to:
cmpwi cr0, r29, 5
blt cr0, LBB1_1 ;cond_true
LBB1_3: ;entry
cmplwi cr0, r30, 0
bne cr0, LBB1_2 ;UnifiedReturnBlock
instead of:
cmpwi cr7, r4, 4
mfcr r2
addic r4, r3, -1
subfe r30, r4, r3
rlwinm r29, r2, 30, 31, 31
and r2, r29, r30
cmplwi cr0, r2, 0
bne cr0, LBB1_2 ;UnifiedReturnBlock
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31230 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 21:36:01 +00:00
Evan Cheng
5270cf1b77
getPreIndexedLoad -> getIndexedLoad.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31209 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-26 21:53:40 +00:00
Reid Spencer
1628cec4d7
For PR950:
...
Make necessary changes to support DIV -> [SUF]Div. This changes llvm to
have three division instructions: signed, unsigned, floating point. The
bytecode and assembler are bacwards compatible, however.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31195 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-26 06:15:43 +00:00
Chris Lattner
c2e91e34dc
simplify code
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31188 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-25 22:21:37 +00:00
Chris Lattner
323ece6fcd
turn off tail merging for now
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31180 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-25 18:08:50 +00:00
Chris Lattner
13a04125df
be more aggressive about matching identical instructions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31179 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-25 18:08:14 +00:00
Devang Patel
f9c197e022
Move getPreferredAlignmentLog from AsmPrinter to TargetData
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31171 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-24 20:32:14 +00:00
Chris Lattner
2452595927
visitSwitchCase knows how to insert conditional branches well. Change
...
visitBr to just call visitSwitchCase, eliminating duplicate logic.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31167 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-24 18:07:37 +00:00
Chris Lattner
57ab65972e
Generalize CaseBlock a bit more:
...
Rename LHSBB/RHSBB to TrueBB/FalseBB. Allow the RHS value to be null,
in which case the LHS is treated as a bool.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31166 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-24 17:57:59 +00:00
Chris Lattner
7b248d9866
generalize 'CaseBlock'. It really allows any comparison to be inserted.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31161 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-24 17:03:35 +00:00
Jim Laskey
62d07d6ace
Don't do dead block elimination in fast mode.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31155 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-24 16:11:49 +00:00
Jim Laskey
e719d9f8f2
LinearScanner hotspot.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31153 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-24 14:35:25 +00:00
Jim Laskey
fcc1d9473e
Tighter data structure for deleted debug labels.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31152 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-24 11:50:43 +00:00
Chris Lattner
7d09784d3f
move single basic blocks that are neither fallen into nor fall out of into
...
a place more useful. In particular, if we can put them in a place where code
will be able to fall into it, do so. Otherwise, put it in a place it can fall
through into a successor. Otherwise, if preventing a fallthrough, move to the
end of the function, out of the way.
This deletes several hundred unconditional branches from spass.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31149 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-24 01:12:32 +00:00
Chris Lattner
c585a3f62a
add moveBefore/moveAfter helper methods
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31145 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-24 00:02:26 +00:00
Chris Lattner
a4bcfe12d1
Enable tail merging by default.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31140 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-23 22:10:12 +00:00
Chris Lattner
b354343af7
Minor tweak. Instead of generating:
...
movl 32(%esp), %eax
cmpl $1, %eax
je LBB1_1 #bb
LBB1_4: #entry
cmpl $2, %eax
je LBB1_2 #bb2
jmp LBB1_3 #UnifiedReturnBlock
LBB1_1: #bb
notice that we would miss the fall through and emit this instead:
movl 32(%esp), %eax
cmpl $2, %eax
je LBB1_2 #bb2
LBB1_4: #entry
cmpl $1, %eax
jne LBB1_3 #UnifiedReturnBlock
LBB1_1: #bb
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31130 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-23 18:38:22 +00:00
Jim Laskey
66ebf0973d
More complete solution to deleting blocks and debug info.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31129 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-23 14:56:37 +00:00
Chris Lattner
b2e806eecd
Fix phi node updating for switches lowered to linear sequences of branches.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31125 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-22 23:00:53 +00:00
Chris Lattner
e236ac64a2
disable this code for now, it's not yet safely updating phi nodes
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31124 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-22 22:47:10 +00:00
Chris Lattner
d2c1d2200b
Implement PR964 and Regression/CodeGen/Generic/SwitchLowering.ll
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31119 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-22 21:36:53 +00:00
Chris Lattner
4bc135e93b
don't break infinite loops
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31102 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-21 06:11:43 +00:00
Chris Lattner
a2d799531a
Use branch reversal to do stuff like this:
...
call L_strcmp$stub
testl %eax, %eax
- jne LBB26_208 #cond_true6020
- jmp LBB26_227 #bb7119
+ je LBB26_227 #bb7119
LBB26_208: #cond_true6020
movl $l31_str14, 4(%esp)
testl %eax, %eax
- jne LBB26_704 #cond_true13042
- jmp LBB26_713 #bb13151
+ je LBB26_713 #bb13151
LBB26_704: #cond_true13042
movl $_str52, 4(%esp)
cmpl 76(%ecx), %eax
- jge LBB26_1628 #cond_false63.i.i
- jmp LBB26_1769 #_Z8makeGridP13mrSurfaceListidiidd.exit.i
+ jl LBB26_1769 #_Z8makeGridP13mrSurfaceListidiidd.exit.i
LBB26_1628: #cond_false63.i.i
movl $0, 48964(%esp)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31100 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-21 05:54:00 +00:00
Chris Lattner
2d47bd937c
Transform code like:
...
jle FOO
jmp BAR
BAR:
into:
jle FOO
BAR:
... whoa!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31098 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-21 05:43:30 +00:00
Chris Lattner
386e29065d
Three changes:
...
1. Remove a bunch of ifdef'd code.
2. When a block just contains an uncond branch, change all blocks branching
to it to jump to the destination instead.
3. If branch analysis tells us some edges in the machinecfg are not actually
possible, remove them.
#2 triggers a suprisingly large number of times.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31094 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-21 05:08:28 +00:00
Chris Lattner
12143054aa
Add an experimental cross-jumping implementation.
...
This is currently disabled by default and limited in several ways, but does
have a positive effect.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31090 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-21 00:47:49 +00:00
Chris Lattner
8ace2cd034
implement MachineOperand::isIdenticalTo
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31088 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-20 22:39:59 +00:00
Chris Lattner
34ab4d45d2
Make flag and chain edges visually distinguishable from value edges in DOT
...
output.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31067 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-20 18:06:09 +00:00
Reid Spencer
b83eb6447b
For PR950:
...
This patch implements the first increment for the Signless Types feature.
All changes pertain to removing the ConstantSInt and ConstantUInt classes
in favor of just using ConstantInt.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31063 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-20 07:07:24 +00:00
Bill Wendling
c70ddad2b7
Partially in response to PR926: insert the newly created machine basic
...
blocks into the basic block list when lowering the switch inst. into a
binary tree of if-then statements. This allows the "visitSwitchCase" func
to allow for fall-through behavior.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31057 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-19 21:46:38 +00:00
Jim Laskey
07a2709e9d
Add option for controlling inclusion of global AA.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31040 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-18 19:08:31 +00:00
Jim Laskey
096c22ea3d
Use global info for alias analysis.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31035 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-18 12:29:57 +00:00
Chris Lattner
683747abb8
Teach the branch folder to update debug info if it removes blocks with line
...
# notes in it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31026 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-17 23:17:27 +00:00
Chris Lattner
a97906b6e6
add a method to remove a line # record.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31025 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-17 23:16:42 +00:00
Chris Lattner
8466b21432
Do not leak all of the SourceLineInfo objects. Do not bother mallocing each
...
one separately.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31022 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-17 22:06:46 +00:00
Chris Lattner
b360729873
Trivial patch to speed up legalizing common i64 constants.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31020 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-17 21:47:13 +00:00
Chris Lattner
50662beab7
Fix CodeGen/PowerPC/2006-10-17-brcc-miscompile.ll
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31019 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-17 21:24:15 +00:00
Evan Cheng
649b7ef627
Fix printer for StoreSDNode.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31017 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-17 21:18:26 +00:00
Evan Cheng
2cacccae19
Reflect MemOpAddrMode change; added a helper to create pre-indexed load.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31016 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-17 21:14:32 +00:00
Jim Laskey
26f7fa7bba
Make it simplier to dump DAGs while in DAGCombiner. Remove a nasty optimization.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31009 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-17 19:33:52 +00:00
Chris Lattner
ffddf6ba1c
Enable deleting branches to successor blocks. With the previous patches,
...
branch folding can now compile stuff like this:
void foo(int W, int X, int Y, int Z) {
if (W & 1) {
for (; X;--X) bar();
} else if (W & 2) {
for (; Y;--Y) bar();
} else if (W & 4) {
for (; Z;--Z) bar();
} else if (W & 8) {
for (; W;--W) bar();
}
if (W) {
bar();
}
}
contrived testcase where loops exits all end up merging together. To have
the loop merges be:
...
cmplw cr0, r30, r27
bne cr0, LBB1_14 ;bb38
LBB1_16: ;cond_next48.loopexit
mr r27, r29
LBB1_20: ;cond_next48
cmplwi cr0, r27, 0
beq cr0, LBB1_22 ;UnifiedReturnBlock
...
instead of:
...
cmplw cr0, r30, r27
bne cr0, LBB1_14 ;bb38
LBB1_16: ;cond_next48.loopexit
mr r27, r29
b LBB1_20 ;cond_next48
LBB1_17: ;cond_next48.loopexit1
b LBB1_20 ;cond_next48
LBB1_18: ;cond_next48.loopexit2
b LBB1_20 ;cond_next48
LBB1_19: ;cond_next48.loopexit3
LBB1_20: ;cond_next48
cmplwi cr0, r27, 0
beq cr0, LBB1_22 ;UnifiedReturnBlock
...
This is CodeGen/PowerPC/branch-opt.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31006 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-17 18:16:40 +00:00
Jim Laskey
99e41eed6d
Clean up interface to getGlobalLinkName.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31001 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-17 17:17:24 +00:00
Chris Lattner
c50ffcb7fc
Reenable this pass, fixing the bugs in it.
...
It now correctly deletes unreachable blocks and blocks that are empty.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31000 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-17 17:13:52 +00:00
Evan Cheng
5d04a1af4f
Make sure operand does have size and element type operands.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30999 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-17 17:06:35 +00:00
Jim Laskey
a1a19f803c
Basic support for getGlobalLinkName.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30997 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-17 13:41:07 +00:00
Evan Cheng
5956922a2d
Be careful when looking through a vbit_convert. Optimizing this:
...
(vector_shuffle
(vbitconvert (vbuildvector (copyfromreg v4f32), 1, v4f32), 4, f32),
(undef, undef, undef, undef), (0, 0, 0, 0), 4, f32)
to the
vbitconvert
is a very bad idea.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30989 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-16 22:49:37 +00:00
Jim Laskey
c7c3f110ed
Pass AliasAnalysis thru to DAGCombiner.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30984 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-16 20:52:31 +00:00
Jim Laskey
ba8a2ee548
Global name regression.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30982 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-16 19:38:41 +00:00
Jim Laskey
d4edf2cf91
Tidy up after truncstore changes.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30961 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-14 12:14:27 +00:00
Evan Cheng
d42a5238a9
Debug tweak.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30959 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-14 08:34:06 +00:00
Chris Lattner
30f73e78bd
Make sure that the node returned by SimplifySetCC is added to the worklist
...
so that it can be deleted if unused.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30955 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-14 03:52:46 +00:00
Chris Lattner
8ac9d0ebde
fold setcc of a setcc.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30953 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-14 01:02:29 +00:00
Chris Lattner
51dabfb283
When SimplifySetCC was moved to the DAGCombiner, it was never removed from
...
SelectionDAG and it has since bitrotted. Remove the copy from SelectionDAG.
Next, remove the constant folding piece of DAGCombiner::SimplifySetCC into
a new FoldSetCC method which can be used by getNode() and SimplifySetCC.
This fixes obscure bugs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30952 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-14 00:41:01 +00:00
Chris Lattner
8f16eb98ed
disable this pass for now, it's causing issues
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30951 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-14 00:30:06 +00:00
Chris Lattner
7821a8afd3
falling off the end of a function is ok with an unreachable instruction.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30950 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-14 00:21:48 +00:00
Jim Laskey
274062c172
Reduce the workload by not adding chain users to work list.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30948 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-13 23:32:28 +00:00
Chris Lattner
dc78cbf457
Fix a bug where we incorrectly turned '(X & 0) == 0' into '(X & 0) >> -1',
...
which is undefined. "0" isn't a power of 2.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30947 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-13 22:46:18 +00:00
Evan Cheng
8b2794aeff
Merge ISD::TRUNCSTORE to ISD::STORE. Switch to using StoreSDNode.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30945 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-13 21:14:26 +00:00
Chris Lattner
4a84ad7a2b
add the branch folding pass as a late cleanup pass for all targets. For now
...
it just deletes empty MBB's. Soon it will do more :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30941 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-13 20:45:56 +00:00
Chris Lattner
eb15eeec39
disable some objectionable code, maybe we can bring this pass to life
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30939 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-13 20:43:10 +00:00
Jim Laskey
339ec4cb15
Workaround for templates
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30927 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-13 13:02:19 +00:00
Jim Laskey
774f85465e
Clean up dump.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30926 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-13 13:01:34 +00:00
Chris Lattner
26d2990e03
Lower X%C into X/C+stuff. This allows the 'division by a constant' logic to
...
apply to rems as well as divs. This fixes PR945 and speeds up ReedSolomon
from 14.57s to 10.90s (which is now faster than gcc).
It compiles CodeGen/X86/rem.ll into:
_test1:
subl $4, %esp
movl %esi, (%esp)
movl $2155905153, %ecx
movl 8(%esp), %esi
movl %esi, %eax
imull %ecx
addl %esi, %edx
movl %edx, %eax
shrl $31, %eax
sarl $7, %edx
addl %eax, %edx
imull $255, %edx, %eax
subl %eax, %esi
movl %esi, %eax
movl (%esp), %esi
addl $4, %esp
ret
_test2:
movl 4(%esp), %eax
movl %eax, %ecx
sarl $31, %ecx
shrl $24, %ecx
addl %eax, %ecx
andl $4294967040, %ecx
subl %ecx, %eax
ret
_test3:
subl $4, %esp
movl %esi, (%esp)
movl $2155905153, %ecx
movl 8(%esp), %esi
movl %esi, %eax
mull %ecx
shrl $7, %edx
imull $255, %edx, %eax
subl %eax, %esi
movl %esi, %eax
movl (%esp), %esi
addl $4, %esp
ret
instead of div/idiv instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30920 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-12 20:58:32 +00:00
Evan Cheng
130a6471b9
Add RemoveDeadNode to remove a dead node and its (potentially) dead operands.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30916 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-12 20:34:05 +00:00
Chris Lattner
3657ffe037
add a minor dag combine noticed when looking at PR945
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30915 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-12 20:23:19 +00:00
Chris Lattner
6ec3626be4
restore my previous patch, now that the X86 backend bug has been fixed:
...
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20061009/038518.html
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30906 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-12 17:45:38 +00:00
Jim Laskey
3ad175bd70
D'oh - need to use the rigth kind of store.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30903 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-12 15:22:24 +00:00
Evan Cheng
b870100f2a
Backing out Chris' last commit. It's breaking llvm-gcc bootstrapping.
...
It's turning:
movl -24(%ebp), %esp
subl $16, %esp
movl -24(%ebp), %ecx
into
movl -24(%ebp), %esp
subl $16, %esp
movl %esp, (%esp)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30902 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-12 08:00:47 +00:00
Chris Lattner
f183cabba8
If we see a load from a stack slot into a physreg, consider it as providing
...
the stack slot. This fixes PR943.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30898 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-12 02:34:07 +00:00
Jim Laskey
7aed46c25b
Alias analysis of TRUNCSTORE.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30889 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-11 18:55:16 +00:00
Jim Laskey
2d84c4c7b3
Typo
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30884 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-11 17:52:19 +00:00
Jim Laskey
c2b19f3449
Handle aliasing of loadext.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30883 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-11 17:47:52 +00:00
Jim Laskey
7ca56aff22
Fix regression in combiner alias analysis.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30880 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-11 13:47:09 +00:00
Evan Cheng
2e49f090f9
Naming consistency.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30878 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-11 07:10:22 +00:00
Andrew Lenharth
82c3d8f81a
Jimptables working again on alpha.
...
As a bonus, use the GOT node instead of the AlphaISD::GOT for internal stuff.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30873 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-11 04:29:42 +00:00
Chris Lattner
755480681c
add two helper methods.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30869 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-11 03:58:02 +00:00
Evan Cheng
9629abac79
FindModifiedNodeSlot needs to add LoadSDNode ivars to create proper SelectionDAGCSEMap ID.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30866 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-11 01:47:58 +00:00
Evan Cheng
45aeccc1fd
Also update getNodeLabel for LoadSDNode.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30861 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-10 20:11:26 +00:00
Evan Cheng
0ac1c6ad9a
SDNode::dump should also print out extension type and VT.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30860 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-10 20:05:10 +00:00
Chris Lattner
55b5708b6b
Fix another bug in extload promotion.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30857 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-10 18:54:19 +00:00
Evan Cheng
62f2a3c7aa
Fix a bug introduced by my LOAD/LOADX changes.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30853 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-10 07:51:21 +00:00
Evan Cheng
466685d41a
Reflects ISD::LOAD / ISD::LOADX / LoadSDNode changes.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30844 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-09 20:57:25 +00:00
Chris Lattner
6270f686b3
Eliminate more token factors by taking advantage of transitivity:
...
if TF depends on A and B, and A depends on B, TF just needs to depend on
A. With Jim's alias-analysis stuff enabled, this compiles the testcase in
PR892 into:
__Z4test3Val:
subl $44, %esp
call L__Z3foov$stub
movl %edx, 28(%esp)
movl %eax, 32(%esp)
movl %eax, 24(%esp)
movl %edx, 36(%esp)
movl 52(%esp), %ecx
movl %ecx, 4(%esp)
movl %eax, 8(%esp)
movl %edx, 12(%esp)
movl 48(%esp), %eax
movl %eax, (%esp)
call L__Z3bar3ValS_$stub
addl $44, %esp
ret
instead of:
__Z4test3Val:
subl $44, %esp
call L__Z3foov$stub
movl %eax, 24(%esp)
movl %edx, 28(%esp)
movl 24(%esp), %eax
movl %eax, 32(%esp)
movl 28(%esp), %eax
movl %eax, 36(%esp)
movl 32(%esp), %eax
movl 36(%esp), %ecx
movl 52(%esp), %edx
movl %edx, 4(%esp)
movl %eax, 8(%esp)
movl %ecx, 12(%esp)
movl 48(%esp), %eax
movl %eax, (%esp)
call L__Z3bar3ValS_$stub
addl $44, %esp
ret
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30821 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-08 22:57:01 +00:00
Jim Laskey
7138234baf
Combiner alias analysis passes Multisource (release-asserts.)
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30818 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-07 23:37:56 +00:00
Chris Lattner
ed83a7019b
Fix a bug legalizing zero-extending i64 loads into 32-bit loads. The bottom
...
part was always forced to be sextload, even when we needed an zextload.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30782 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-07 00:58:36 +00:00
Chris Lattner
cf9668f23d
initialize ivar
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30780 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-06 22:52:08 +00:00
Chris Lattner
0336fdba85
If a target uses a GOT, put it in the jt data section, not the text
...
section. This will fix alpha when Andrew implements
AlphaTargetMachine::getTargetLowering().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30779 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-06 22:50:56 +00:00
Chris Lattner
e0cfc8b2f2
jump tables handle pic
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30776 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-06 22:32:29 +00:00
Chris Lattner
db3ea6754b
print labels even if a MBB doesn't have a corresponding LLVM BB, just don't
...
print the LLVM BB label.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30775 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-06 21:28:17 +00:00
Chris Lattner
4bdd2753db
Fix a miscompilation of:
...
long long foo(long long X) {
return (long long)(signed char)(int)X;
}
Instead of:
_foo:
extsb r2, r4
srawi r3, r4, 31
mr r4, r2
blr
we now produce:
_foo:
extsb r4, r4
srawi r3, r4, 31
blr
This fixes a miscompilation in ConstantFolding.cpp.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30768 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-06 17:34:12 +00:00
Chris Lattner
5504602836
MachineBasicBlock::splice was incorrectly updating parent pointers on
...
instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30760 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-06 01:12:44 +00:00
Evan Cheng
786225adf0
Make use of getStore().
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30759 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-05 23:01:46 +00:00
Evan Cheng
ad071e1cd1
Add getStore() helper function to create ISD::STORE nodes.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30758 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-05 22:57:11 +00:00
Chris Lattner
9c78ecb511
Don't crash if an MBB doesn't have an LLVM BB
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30757 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-05 21:40:14 +00:00
Jim Laskey
bc588b8bbf
Alias analysis code clean ups.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30753 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-05 15:07:25 +00:00
Chris Lattner
e08d6e915e
Emit pic jumptables to the same section that the function is emitted to,
...
allowing label differences to work. This fixes CodeGen/X86/pic_jumptable.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30744 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-05 03:13:28 +00:00
Chris Lattner
1da31ee472
Pass the MachineFunction into EmitJumpTableInfo.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30742 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-05 03:01:21 +00:00
Chris Lattner
52f0670470
move getSectionForFunction to AsmPrinter
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30736 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-05 02:42:47 +00:00
Evan Cheng
693163e74d
Fix some typos that can cause a flag value to have more than one use.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30727 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-04 22:23:53 +00:00
Jim Laskey
6ff23e5e84
More extensive alias analysis.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30721 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-04 16:53:27 +00:00
Jim Laskey
0c0feb9d5f
More long term solution
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30720 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-04 10:40:15 +00:00
Jim Laskey
0f77fe5ea6
Work around for some problems with templates.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30715 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-04 01:43:13 +00:00
Evan Cheng
c548428c5d
Combine ISD::EXTLOAD, ISD::SEXTLOAD, ISD::ZEXTLOAD into ISD::LOADX. Add an
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extra operand to LOADX to specify the exact value extension type.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30714 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-04 00:56:09 +00:00
Chris Lattner
faf1daeb92
Use $( $| $) to represent alternatives in asm blocks instead of {|}. This
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is needed to support targets where {|} aren't special symbols.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30712 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-03 23:27:09 +00:00
Evan Cheng
bf497a3a68
Fix an obvious typo.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30711 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-03 23:08:27 +00:00
Chris Lattner
f28bbda2c6
Bugfixes
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30709 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-03 20:19:23 +00:00
Chris Lattner
ee773ba72b
Print the MBB ID # along with the bb tag in the -print-machine-instrs output.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30708 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-03 20:17:24 +00:00
Chris Lattner
e70cab0ca4
Provide a function that ensures MBB numbering is dense and inorder. This
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can be used by MachineFunctionPasses who need this property.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30706 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-03 19:18:57 +00:00
Bill Wendling
f7da4e939f
Fix for PR929. The PHI nodes were being gone through for each instruction
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in a successor block for every block...resulting in some O(N^k) algorithm
which wasn't very good for performance. Calculating this information up
front and keeping it in a map made it much faster.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30697 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-03 07:20:20 +00:00
Jim Laskey
01078fb7ec
Debugging kruft
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30688 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-02 13:01:17 +00:00
Jim Laskey
ec20402c90
Add ability to annotate (color) nodes in a viewGraph.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30686 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-02 12:26:53 +00:00
Chris Lattner
f8f791ef1e
simplify code
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30659 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-28 23:17:41 +00:00
Evan Cheng
5feaa9a707
TargetRegisterClass specifies the desired spill alignment. However, it cannot be honored if stack alignment is smaller.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30648 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-28 18:52:32 +00:00
Bill Wendling
ca756d2cf9
"Once more into the breach, dear friends, once more, or fill the wall up
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with our English dead."
No! Really! Serious this time...It was how the vreg uses were being
adjusted that was causing hte Olden tests to fail. I corrected this and
the Olden and Regression tests all passed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30644 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-28 07:10:24 +00:00
Chris Lattner
57f9a43c64
refactor critical edge breaking out into the SplitCritEdgesForPHIConstants method.
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This is a baby step towards fixing PR925.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30643 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-28 06:17:10 +00:00
Chris Lattner
8af24b86a8
re-re-revert this, back to the right revision. It currently breaks bisort/mst
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in olden among others.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30637 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-28 00:11:54 +00:00
Evan Cheng
c2b4ec37de
PEI now place callee save spills closest to the address pointed to by the
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incoming stack. This allows X86 backend to use push / pop in epilogue /
prologue.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30636 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-28 00:10:27 +00:00
Chris Lattner
31cefb9943
re-revert this patch, bisort and mst are still broken in Olden.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30634 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-28 00:04:21 +00:00
Bill Wendling
4da1abb311
Reapplying this patch. With the newest commits, the error in Olden/bisort
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has disappeared.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30633 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-27 22:37:35 +00:00
Chris Lattner
6c88e9b458
Temporarily revert this. This breaks Olden/bisort on PPC
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30628 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-27 16:59:16 +00:00
Bill Wendling
c36f2a4cea
PR878: Instead of calculating the vreg to PHI use count everytime we get
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a function, do it up front in linear time (going through all of the
instructions once). We create a map out of them. Then it's no problem to
use the information in it during elimination...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30624 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-27 09:04:15 +00:00
Chris Lattner
bae02cfd46
Add support for ${:private} which prints "L" on darwin.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30620 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-27 00:06:07 +00:00
Chris Lattner
3ce9b67e0c
Add support for ${:comment}, which expands to the current target's comment
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character, and ${:uid} which expands to a unique ID for the MachineInstr.
More can be added if/when they are needed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30619 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-26 23:59:50 +00:00
Evan Cheng
692d4e0823
Rename function. It's determining which callee-save registers to save.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30616 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-26 22:29:31 +00:00
Andrew Lenharth
16113431e8
Comments on JumpTableness
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30615 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-26 20:02:30 +00:00
Jim Laskey
bb1518585b
Load chain check is not needed
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30613 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-26 17:44:58 +00:00
Jim Laskey
79597d2af6
Chain can be any operand
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30611 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-26 09:32:41 +00:00
Jim Laskey
3dd1170616
Wrong size for load
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30610 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-26 08:14:06 +00:00
Jim Laskey
172585b3aa
Can't move a load node if it's chain is not used.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30609 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-26 07:37:42 +00:00
Chris Lattner
681764b20c
print the preds of each MBB
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30606 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-26 03:41:59 +00:00
Chris Lattner
cb05af852f
Add support for targets that want to do something with the llvm.used list,
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because they have an aggressive linker that does dead code stripping.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30604 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-26 03:38:18 +00:00
Jim Laskey
14fbcbfa2b
Accidental enable of bad code
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30601 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-25 21:11:32 +00:00
Jim Laskey
288af5e740
Fix chain dropping in load and drop unused stores in ret blocks.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30600 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-25 19:32:58 +00:00
Jim Laskey
279f053eae
Core antialiasing for load and store.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30597 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-25 16:29:54 +00:00
Andrew Lenharth
beec30eaf3
Add support for other relocation bases to jump tables, as well as custom asm directives
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30593 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-24 19:45:58 +00:00
Evan Cheng
2ae5b87996
PIC jump table entries are always 32-bit. This fixes PIC jump table support on X86-64.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30590 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-24 05:22:38 +00:00