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Commit Graph

24 Commits

Author SHA1 Message Date
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