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37 Commits

Author SHA1 Message Date
Benjamin Kramer
710832b0e6 Feed the right output into FileCheck. 
llvm-svn: 108523
 2010-07-16 10:58:02 +00:00
Dale Johannesen
facfe52bee The SelectionDAGBuilder's handling of debug info, on rare 
occasions, caused code to be generated in a different order.
All cases I've seen involved float softening in the type
legalizer, and this could be perhaps be fixed there, but
it's better not to generate things differently in the first
place.  7797940 (6/29/2010..7/15/2010).

llvm-svn: 108484
 2010-07-16 00:02:08 +00:00
Dale Johannesen
df6db93a4d Propagate the AlignStack bit in InlineAsm's to the 
PrologEpilog code, and use it to determine whether
the asm forces stack alignment or not.  gcc consistently
does not do this for GCC-style asms; Apple gcc inconsistently
sometimes does it for asm blocks.  There is no
convenient place to put a bit in either the SDNode or
the MachineInstr form, so I've added an extra operand
to each; unlovely, but it does allow for expansion for
more bits, should we need it.  PR 5125.  Some
existing testcases are affected.
The operand lists of the SDNode and MachineInstr forms
are indexed with awesome mnemonics, like "2"; I may
fix this someday, but not now.  I'm not making it any
worse.  If anyone is inspired I think you can find all
the right places from this patch.

llvm-svn: 107506
 2010-07-02 20:16:09 +00:00
Bob Wilson
17dc7d716b ARM function alignments were off by a power of two. svn 83242 changed 
getFunctionAlignment and the corresponding use of that value in the ARM
asm printer, but now we're using the standard asm printer.  The result of
this was that function alignments were dropped completely for Thumb functions.
Radar 8143571.

llvm-svn: 107435
 2010-07-01 22:26:26 +00:00
Benjamin Kramer
d02a62bee2 Fix some tests that didn't test anything. 
llvm-svn: 106954
 2010-06-26 20:05:06 +00:00
Evan Cheng
f40b8f0e32 Disable sibcall optimization for Thumb1 for now since Thumb1RegisterInfo::emitEpilogue is not expecting them. 
llvm-svn: 106368
 2010-06-19 01:01:32 +00:00
Rafael Espindola
d7a63bead9 Remove arm_apcscc from the test files. It is the default and doing this 
matches what llvm-gcc and clang now produce.

llvm-svn: 106221
 2010-06-17 15:18:27 +00:00
Jakob Stoklund Olesen
7fe0620525 Remove the local register allocator. 
Please use the fast allocator instead.

llvm-svn: 106051
 2010-06-15 21:58:33 +00:00
Jakob Stoklund Olesen
6976c543cd Enable a bunch more -regalloc=fast tests 
llvm-svn: 103531
 2010-05-12 00:11:24 +00:00
Evan Cheng
11130a0a22 Select @llvm.trap to the special B with 1111 condition (i.e. trap) instruction. 
llvm-svn: 103459
 2010-05-11 07:26:32 +00:00
Dan Gohman
5736cd1e47 Start function numbering at 0. 
llvm-svn: 101638
 2010-04-17 16:29:15 +00:00
Dale Johannesen
4cdb545401 Split big test into multiple directories to cater to 
those who don't build all targets.

llvm-svn: 100688
 2010-04-07 20:43:35 +00:00
Evan Cheng
668ceddeec Enable machine cse pass. 
llvm-svn: 98132
 2010-03-10 03:07:41 +00:00
Bob Wilson
3386047bdb Run the pre-register allocation tail duplication pass by default. Remove 
the -pre-regalloc-taildup command-line option, and add a new
-disable-early-taildup option.

llvm-svn: 93597
 2010-01-16 00:29:50 +00:00
Jim Grosbach
b09e69dd22 add testcase for r93564 
llvm-svn: 93567
 2010-01-15 22:27:37 +00:00
Jakob Stoklund Olesen
b39930cf6d Add test case for the phi reuse patch. 
llvm-svn: 91642
 2009-12-18 00:11:44 +00:00
Evan Cheng
987b8c3d9a More consistent thumb1 asm printing. 
llvm-svn: 89328
 2009-11-19 06:57:41 +00:00
Evan Cheng
899d8cb6a0 Refactor code. Fix a potential missing check. Teach isIdentical() about tLDRpci_pic. 
llvm-svn: 86330
 2009-11-07 04:04:34 +00:00
Jim Grosbach
2fb5eb1264 Enable allocation of R3 in Thumb1 
llvm-svn: 84563
 2009-10-19 22:57:03 +00:00
Evan Cheng
5b9107c1b9 Forgot about ARM::tPUSH. It also has a new writeback operand. 
llvm-svn: 83237
 2009-10-02 05:03:07 +00:00
Evan Cheng
272a738580 ARM::tPOP and tPOP_RET each has an extra writeback operand now. 
llvm-svn: 83214
 2009-10-01 20:54:53 +00:00
Dan Gohman
142428ce64 Eliminate more uses of llvm-as and llvm-dis. 
llvm-svn: 81293
 2009-09-09 00:09:15 +00:00
Evan Cheng
2d5d3700e9 v4, v5 does not support sxtb / sxth. 
llvm-svn: 80322
 2009-08-28 00:31:43 +00:00
Evan Cheng
86546fb692 Fix an obvious copy-n-paste bug. 
llvm-svn: 79535
 2009-08-20 17:01:04 +00:00
Evan Cheng
8bfaf895e5 tPOP_RET now has predicate operands. 
llvm-svn: 78898
 2009-08-13 06:05:07 +00:00
Evan Cheng
309650d7ba It's ok to spill a tGPR register as long as it's still allocated a low register. 
llvm-svn: 78893
 2009-08-13 05:40:51 +00:00
Evan Cheng
05555a7d31 tADDrSPI doesn't have a predicate operand, but tADDhirr and tADDi3 have. 
llvm-svn: 77305
 2009-07-28 07:38:35 +00:00
Chris Lattner
fab15a5571 remove a very large testcase for now. 
llvm-svn: 76537
 2009-07-21 06:28:36 +00:00
David Greene
1ac6d4ac0e Re-apply 75490, 75806 and 76177 with fixes and tests. Efficiency comes 
next.

llvm-svn: 76486
 2009-07-20 22:02:59 +00:00
Evan Cheng
2bac9b0d83 Use TII->findCommutedOpIndices to find the commute operands (rather than guessing). 
llvm-svn: 76472
 2009-07-20 21:16:08 +00:00
Evan Cheng
0048e876c3 Fix some sub-reg coalescing bugs where the coalescer wasn't updating the resulting interval's register class. 
llvm-svn: 76458
 2009-07-20 19:47:55 +00:00
Evan Cheng
7377d0cb7c Restore AsmWriterEmitter.cpp back to 74742. The recent changes broke Thumb. 
llvm-svn: 76398
 2009-07-20 06:10:07 +00:00
Evan Cheng
03d981d91b Smarter isel of ldrsb / ldrsh. Only make use of these when [r,r] address is feasible. 
llvm-svn: 75360
 2009-07-11 07:08:13 +00:00
Evan Cheng
268b47b1fb Major changes to Thumb (not Thumb2). Many 16-bit instructions either modifies CPSR when they are outside the IT blocks, or they can predicated when in Thumb2. Move the implicit def of CPSR to an optional def which defaults CPSR. This allows the 's' bit to be toggled dynamically. 
A side-effect of this change is asm printer is now using unified assembly. There are some minor clean ups and fixes as well.

llvm-svn: 75359
 2009-07-11 06:43:01 +00:00
Evan Cheng
37abb8fc28 Add missing tests. 
llvm-svn: 74945
 2009-07-07 20:38:08 +00:00
Evan Cheng
f7814163db We should run these tests as well. 
llvm-svn: 74121
 2009-06-24 21:36:26 +00:00
Evan Cheng
b4139189b0 Move thumb and thumb2 tests into separate directories. 
llvm-svn: 74068
 2009-06-24 06:36:07 +00:00