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Author SHA1 Message Date
Evan Cheng
6248fa4529 Disable stack coloring with register for now. It's not able to set kill markers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78179 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 07:26:17 +00:00
Evan Cheng
9cd1632814 Another nasty coalescer bug (is there another kind): 
After coalescing reg1027's def and kill are both at the same point:
 %reg1027,0.000000e+00 = [56,814:0)  0@70-(814)

bb5:
60   %reg1027<def> = t2MOVr %reg1027, 14, %reg0, %reg0
68   %reg1027<def> = t2LDRi12 %reg1027<kill>, 8, 14, %reg0
76   t2CMPzri %reg1038<kill,undef>, 0, 14, %reg0, %CPSR<imp-def>
84   %reg1027<def> = t2MOVr %reg1027, 14, %reg0, %reg0
96   t2Bcc mbb<bb5,0x2030910>, 1, %CPSR<kill>

Do not remove the kill marker on t2LDRi12.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78178 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 07:05:41 +00:00
Bruno Cardoso Lopes
6e88a51599 Remove accidental commited comment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78177 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 07:00:43 +00:00
Bruno Cardoso Lopes
52d0851446 - Remove custom handling of jumptables by the elf writter (this was 
a dirty hack and isn't need anymore since the last x86 code emitter patch)
- Add a target-dependent modifier to addend calculation
- Use R_X86_64_32S relocation for X86::reloc_absolute_word_sext
- Use getELFSectionFlags whenever possible
- fix getTextSection to use TLOF and emit the right text section 
- Handle global emission for static ctors, dtors and Type::PointerTyID
- Some minor fixes



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78176 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 06:57:03 +00:00
Evan Cheng
61f4b721b2 80 col violations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78175 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 06:41:25 +00:00
Chris Lattner
cd81f5df27 common globals may also not be marked constant. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78169 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 05:41:44 +00:00
Dan Gohman
40a0b2c305 Revert changes accidentally committed along with r78163. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78165 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 05:38:13 +00:00
Dan Gohman
c3c9c486e4 Teach X86FastISel how to handle CCValAssign::BCvt, which is used for 
MMX arguments. This fixes PR4684.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78163 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 05:33:42 +00:00
Chris Lattner
26d054d903 Clarify common linkage and the requirements on it. Enforce 
them in the verifier.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78160 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 05:21:07 +00:00
Andreas Bolka
831f6f6d2a ZIV tester for LDA. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78157 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 04:26:05 +00:00
Chris Lattner
58bed8fc29 expose SectionKindForGlobal to curious clients, named as 
getKindForGlobal.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78156 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 04:25:40 +00:00
Andreas Bolka
a1b78d133e Restrict LDA to GEPs with the same pointer offset. 
We can not simply apply ZIV testing to the pointer offsets, as this
would incorrectly return independence for e.g. (GEP x,0,i; GEP x,1,-i).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78155 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 04:13:41 +00:00
Chris Lattner
d250329291 add a temporary hook to allow reuse of the asmprinter from the disassembler. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78154 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 04:09:18 +00:00
Andreas Bolka
7cf85030f4 Fix LDA testcases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78153 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 04:03:29 +00:00
Evan Cheng
6ade93bbdc Turn some insert_subreg, extract_subreg, subreg_to_reg into implicit_defs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78151 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 03:53:14 +00:00
Bob Wilson
aa289d5e7f Oops. I didn't mean to commit this piece yet. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78146 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 02:47:13 +00:00
Evan Cheng
b018a1e5a7 One more. Transfer kill of the larger register when lowering an EXTRACT_SUBREG. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78145 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 02:25:11 +00:00
Evan Cheng
a72dfb522d One more place where subreg lowering forgot to transfer undefness. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78144 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 01:57:22 +00:00
Dan Gohman
98ca4f2a32 Major calling convention code refactoring. 
Instead of awkwardly encoding calling-convention information with ISD::CALL,
ISD::FORMAL_ARGUMENTS, ISD::RET, and ISD::ARG_FLAGS nodes, TargetLowering
provides three virtual functions for targets to override:
LowerFormalArguments, LowerCall, and LowerRet, which replace the custom
lowering done on the special nodes. They provide the same information, but
in a more immediately usable format.

This also reworks much of the target-independent tail call logic. The
decision of whether or not to perform a tail call is now cleanly split
between target-independent portions, and the target dependent portion
in IsEligibleForTailCallOptimization.

This also synchronizes all in-tree targets, to help enable future
refactoring and feature work.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78142 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 01:29:28 +00:00
Evan Cheng
518ad1a880 If the insert_subreg source is <undef>, insert an implicit_def instead of a copy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78141 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 01:29:24 +00:00
Dan Gohman
a5225add0d Various comment fixes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78139 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 01:19:01 +00:00
Dan Gohman
5b0d72e850 Remove an unnecessary flush in the CppBackend's output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78138 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 01:06:38 +00:00
Dan Gohman
1c55fab534 Don't flush the raw_ostream between each MachineFunction. These flush 
calls were originally put in place because errs() at one time was
not unbuffered, and these print routines are commonly used with errs()
for debugging. However, errs() is now properly unbuffered, so the
flush calls are no longer needed. This significantly reduces the
number of write(2) calls for regular asm printing when there are many
small functions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78137 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 00:49:25 +00:00
Bob Wilson
4a3d35abef Change DAG nodes for Neon VLD2/3/4 operations to return multiple results. 
Get rid of yesterday's code to fix the register usage during isel.
Select the new DAG nodes to machine instructions.  The new pre-alloc pass
to choose adjacent registers for these results is not done, so the
results of this will generally not assemble yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78136 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 00:49:09 +00:00
Dan Gohman
c2a9eeb273 cerr isn't buffered so it doesn't need to be flushed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78135 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 00:44:01 +00:00
Dan Gohman
d9283ed746 lli doesn't need <iostream> anymore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78133 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 00:28:59 +00:00
Dan Gohman
2cd498be60 Remove needless uses of std::flush in the parent process after a 
fork call. This eliminates a need for <iostream>. Also remove
needless fsync calls.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78131 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 00:17:00 +00:00
Owen Anderson
84e99f3c25 Privatize the PointerType factory. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78130 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 00:15:12 +00:00
Bruno Cardoso Lopes
e55fef36a9 1) Proper emit displacements for x86, using absolute relocations where necessary 
for ELF to work.  
2) RIP addressing: Use SIB bytes for absolute relocations where RegBase=0, 
IndexReg=0.
3) The JIT can get the real address of cstpools and jmptables during
code emission, fix that for object code emission


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78129 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 00:11:21 +00:00
Dan Gohman
339685269f Use _exit rather than exit in the child process after a failed exec. 
Add a comment explaining why.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78128 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 00:09:12 +00:00
Jeffrey Yasskin
0a962314fb Make ExecutionEngine::updateGlobalMapping(GV, NULL) properly remove GV's old 
address from the reverse mapping, and add a test that this works now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78127 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-04 23:53:16 +00:00
Evan Cheng
35d6c41fde Fix part 1 of pr4682. PICADD is a 16-bit instruction even in thumb2 mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78126 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-04 23:47:55 +00:00
Owen Anderson
9eb5c93d34 Privatize the VectorType uniquing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78125 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-04 23:47:44 +00:00
Owen Anderson
020e9ab052 Begin the process of privatizing the type uniquing tables. No API changes yet, but there will be in the near future. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78122 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-04 23:33:01 +00:00
Dan Gohman
3fe14bf153 Check for !isa<Constant> instead of isa<Instruction>. This 
matches what the comment says, and it avoids spurious BitCast
instructions for Argument values.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78121 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-04 23:23:56 +00:00
Dan Gohman
f363bc8326 Follow Unix behavior and return 127 if the command is not found, 
and 126 if it is not executable.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78120 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-04 23:15:49 +00:00
Chris Lattner
4f95d2bda4 revert r78048, it isn't worth using assertingvh here. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78119 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-04 23:07:12 +00:00
Benjamin Kramer
00e6df91db Update CMakeLists. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78118 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-04 23:02:53 +00:00
Owen Anderson
e2942c0c7d It helps if I remember to actually add the file... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78116 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-04 22:55:26 +00:00
Owen Anderson
48b2f3e485 Factor some of the constants+context related code out into a separate header, to make LLVMContextImpl.h 
not hideous.  Also, fix some MSVC compile errors.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78115 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-04 22:41:48 +00:00
Evan Cheng
57035994f7 Fix test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78113 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-04 22:22:58 +00:00
Bob Wilson
42cdcb9a86 Convert more Neon tests to use FileCheck. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78111 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-04 22:01:41 +00:00
Bob Wilson
c00479253b Replace dregsingle operand modifier with explicit escaped curly brackets. 
For other VLDn and VSTn operations, we need to list the multiple registers
explicitly anyway, so there's no point in special-casing this one usage.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78109 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-04 21:39:33 +00:00
Bob Wilson
ad5312ad70 Convert a few Neon tests to use FileCheck. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78108 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-04 21:33:22 +00:00
Jakob Stoklund Olesen
323e7d32ab Clean up the handling of two-address operands in RegScavenger. 
This fixes PR4528.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78107 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-04 21:30:30 +00:00
Jakob Stoklund Olesen
f955cbf56f Don't give implicit machine operands special treatment in the register scavenger. 
Imp-def is *not* allowed to redefine a live register.
Imp-use is *not* allowed to use a dead register.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78106 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-04 21:29:11 +00:00
Mike Stump
4dcff6db72 Restlyize to match other targets, fixes cmake build to boot. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78105 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-04 21:27:06 +00:00
Evan Cheng
9e7a312391 Enable load / store multiple pass for Thumb2. It's not using ldrd / strd yet. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78104 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-04 21:12:13 +00:00
Chris Lattner
275bb1bd12 remove a random reference to subtarget. Even without this, we 
still get "intel syntax" instructions from llc with  
-x86-asm-syntax=intel




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78103 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-04 21:12:08 +00:00
David Goodwin
53e4471adc Add NEON single-precision FP support for fabs and fneg. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78101 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-04 20:39:05 +00:00