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dc140c6e7b
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15570 Commits

Author SHA1 Message Date
Jim Grosbach
dc140c6e7b Add materialization of virtual base registers for frame indices allocated into 
the local block. Resolve references to those indices to a new base register.
For simplification and testing purposes, a new virtual base register is
allocated for each frame index being resolved. The result is truly horrible,
but correct, code that's good for exercising the new code paths.

Next up is adding thumb1 support, which should be very simple. Following that
will be adding base register re-use and implementing a reasonable ARM
heuristic for when a virtual base register should be generated at all.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111315 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-17 22:41:55 +00:00
Anton Korobeynikov
5dad73cec8 Revert part of one of the prev. patches - tailjmp will follow later. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111291 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-17 21:08:28 +00:00
Anton Korobeynikov
3a1e54a6b9 More fixes for win64: 
- Do not clobber al during variadic calls, this is AMD64 ABI-only feature
  - Emit wincall64, where necessary
Patch by Cameron Esfahani!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111289 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-17 21:06:07 +00:00
Anton Korobeynikov
e9df15e65c Enable more win64 calls folding opportunities. 
Patch by Cameron Esfahani!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111288 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-17 21:06:01 +00:00
Jakob Stoklund Olesen
00d3dda86f Don't call tablegen'ed Predicate_* functions in the ARM target. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111277 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-17 20:39:04 +00:00
Jim Grosbach
c5ed0134a7 80 column cleanup. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111266 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-17 18:39:16 +00:00
Jakob Stoklund Olesen
4bb862d179 Don't call Predicate_* methods directly from Sparc target. 
Modernize predicates a bit.

The Predicate_* methods are not used by TableGen any longer. They are only
emitted for the sake of legacy code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111263 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-17 18:17:12 +00:00
Jim Grosbach
8708ead5a4 Add hook to examine an instruction referencing a frame index to determine 
whether to allocate a virtual frame base register to resolve the frame
index reference in it. Implement a simple version for ARM to aid debugging.

In LocalStackSlotAllocation, scan the function for frame index references
to local frame indices and ask the target whether to allocate virtual
frame base registers for any it encounters. Purely infrastructural for
debug output. Next step is to actually allocate base registers, then add
intelligent re-use of them.

rdar://8277890



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111262 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-17 18:13:53 +00:00
Jim Grosbach
3edb904927 explicitly handle no-op cases for clarity. Fixes clang warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111260 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-17 18:00:41 +00:00
Bob Wilson
f955f290c9 Change ARM PKHTB and PKHBT instructions to use a shift_imm operand to avoid 
printing "lsl #0".  This fixes the remaining parts of pr7792.  Make
corresponding changes for encoding/decoding these instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111251 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-17 17:23:19 +00:00
Chris Lattner
23e70ebf35 fix emacs language spec's, patch by Edmund Grimley-Evans! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111241 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-17 16:20:04 +00:00
Bob Wilson
7aaf5bf3db Allow more cases of undef shuffle indices and add tests for them. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111226 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-17 05:54:34 +00:00
Eric Christopher
0fe7d54732 Copy over some overridden MI wrappers for ARM fast-isel. This is where 
we're adding predicates and optional defs to the MachineInstrs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111222 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-17 01:25:29 +00:00
Eric Christopher
038fea5e30 Make arm fast-isel possible to enable via command line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111219 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-17 00:46:57 +00:00
Bob Wilson
ca5e47d3f8 Ignore undef shuffle indices when checking for a VTRN shuffle. Radar 8290937. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111208 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 23:37:17 +00:00
Bob Wilson
dc66edaced Generalize a pattern for PKHTB: an SRL of 16-31 bits will guarantee 
that the high halfword is zero.  The shift need not be exactly 16 bits.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111196 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 22:26:55 +00:00
Eli Friedman
bc1fb2b6fa Comment out some broken/unused/useless instructions which mess up disassembly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111185 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 21:18:51 +00:00
Eli Friedman
321473d51d Don't attempt to SimplifyShortMoveForm in 64-bit mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111182 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 21:03:32 +00:00
Matt Fleming
453db50333 Hookup ELF support for X86. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111173 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 18:36:14 +00:00
Bob Wilson
22f5dc79c0 Rename sat_shift operand to shift_imm, in preparation for using it for other 
instructions besides saturate instructions.  No functional changes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111168 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 18:27:34 +00:00
Jakob Stoklund Olesen
de78f05cf7 Partially revert r111155. It looks like MSVC is calling an operator<() that 
clang says is unused.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111167 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 18:24:54 +00:00
Jakob Stoklund Olesen
a649ab542d Remove unused functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111155 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 17:18:18 +00:00
Bob Wilson
45cdd7fd61 Remove unused code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111154 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 17:06:03 +00:00
Argyrios Kyrtzidis
8c8b9ee8c8 Revert r111082. No warnings for this common pattern. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111102 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-15 10:27:23 +00:00
Eric Christopher
c0b2a2018a Rework how the non-sse2 memory barrier is lowered so that the 
encoding is correct for the built-in assembler.

Based on a patch from Chris.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111083 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-14 21:51:50 +00:00
Argyrios Kyrtzidis
7268d97ae6 Add ATTRIBUTE_UNUSED to methods that are not supposed to be used. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111082 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-14 21:35:10 +00:00
Chris Lattner
132929aa9e improve indentation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111073 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-14 17:26:09 +00:00
Bob Wilson
136e491280 T2I_rbin_irs rr variant is for disassembly only, so don't provide a pattern. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111068 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-14 03:18:29 +00:00
Bob Wilson
20d8e4e7aa Add a Thumb2 t2RSBrr instruction for disassembly only. 
This fixes another part of PR7792.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111057 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-13 23:24:25 +00:00
Bob Wilson
703af3ab12 Temporarily disable tail calls on ARM to work around some linker problems. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111050 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-13 22:43:33 +00:00
Bob Wilson
38aa2871fc Move the Thumb2 SSAT and USAT optional shift operator out of the 
instruction opcode.  This fixes part of PR7792.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111047 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-13 21:48:10 +00:00
Bruno Cardoso Lopes
30baa63474 Add comments to some pattern fragments in x86 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111041 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-13 20:39:01 +00:00
Bob Wilson
6daf2a254b Refactor the code for disassembling Thumb2 saturate instructions along the 
same lines as the change I made for ARM saturate instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111029 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-13 19:04:21 +00:00
Dale Johannesen
1b4051095d Revert 110491. While not wrong, it was based on a 
misanalysis and is undesirable.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111028 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-13 18:43:45 +00:00
Bruno Cardoso Lopes
bb0a9489e0 Fix comment to reflect code, and remove an unused argument 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111022 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-13 17:50:47 +00:00
Bruno Cardoso Lopes
bbadd39bbb Improve comment to make explicit why not to touch this could before JIT goes MC 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111021 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-13 17:44:10 +00:00
Eric Christopher
63f02ac349 Revert last patch and r110954 as I meant to. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111001 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-13 02:37:50 +00:00
Eric Christopher
4404c00db6 Revert r110954 for now, pseudo instructions can't make it through to the JIT. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111000 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-13 02:30:00 +00:00
Bruno Cardoso Lopes
64baddc0f2 Some small clean-up: use of pseudo instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110954 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-12 20:55:18 +00:00
Johnny Chen
1adc40cac3 Cleaned up the for-disassembly-only entries in the arm instruction table so that 
the memory barrier variants (other than 'SY' full system domain read and write)
are treated as one instruction with option operand.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110951 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-12 20:46:17 +00:00
Evan Cheng
719510a178 Make sure ARM constant island pass does not break up an IT block. If the split point is in the middle of an IT block, it should move it up to just above the IT instruction. rdar://8302637 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110947 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-12 20:30:05 +00:00
Bruno Cardoso Lopes
642eb02045 - Teach SSEDomainFix to switch between different levels of AVX instructions. Here we guess that AVX will have domain issues, so just implement them for consistency and in the future we remove if it's unnecessary. 
- Make foldMemoryOperandImpl aware of 256-bit zero vectors folding and support the 128-bit counterparts of AVX too.
- Make sure MOV[AU]PS instructions are only selected when SSE1 is enabled, and duplicate the patterns to match AVX.
- Add a testcase for a simple 128-bit zero vector creation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110946 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-12 20:20:53 +00:00
Bruno Cardoso Lopes
6da9cee0f1 Define AVX 128-bit pattern versions of SET0PS/PD. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110937 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-12 18:20:59 +00:00
Bruno Cardoso Lopes
4d04362813 Fix comment order 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110898 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-12 02:08:52 +00:00
Bruno Cardoso Lopes
8c05a850f4 Begin to support some vector operations for AVX 256-bit intructions. The long 
term goal here is to be able to match enough of vector_shuffle and build_vector
so all avx intrinsics which aren't mapped to their own built-ins but to
shufflevector calls can be codegen'd. This is the first (baby) step, support
building zeroed vectors.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110897 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-12 02:06:36 +00:00
Johnny Chen
270159fcc2 The autogened decoder was confusing the ARM STRBT for ARM USAT, because the .td 
entry for ARM STRBT is actually a super-instruction for A8.6.199 STRBT A1 & A2.
Recover by looking for ARM:USAT encoding pattern before delegating to the auto-
gened decoder.

Added a "usat" test case to arm-tests.txt.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110894 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-12 01:40:54 +00:00
Daniel Dunbar
09062b1672 MC/X86/AsmParser: Give an explicit error message when we reject an instruction 
because it could have an ambiguous suffix.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110890 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-12 00:55:42 +00:00
Daniel Dunbar
f1e29d4c21 MC/AsmParser: Push the burdon of emitting diagnostics about unmatched 
instructions onto the target specific parser, which can do a better job.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110889 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-12 00:55:38 +00:00
Daniel Dunbar
4f98f83459 tblgen/AsmMatcher: Always emit the match function as 'MatchInstructionImpl', 
target specific parsers can adapt the TargetAsmParser to this.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110888 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-12 00:55:32 +00:00
Johnny Chen
7def14f40f Changed the format of DMBsy, DSBsy, and friends from Pseudo to MiscFrm. 
Added two test cases to arm-tests.txt.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110880 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-11 23:35:12 +00:00