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333fb04506
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44025 Commits

Author SHA1 Message Date
Michael J. Spencer
333fb04506 Support/MemoryBuffer: Replace all uses of std::string *ErrMsg with error_code &ec. And fix clients. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121379 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 17:36:48 +00:00
Bruno Cardoso Lopes
908b6ddad6 Add ROTR and ROTRV mips32 instructions. Patch by Akira Hatanaka 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121377 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 17:32:30 +00:00
Bruno Cardoso Lopes
90c595425b Fix delay slot filler for non mips1 targets. Patch by Akira Hatanaka 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121376 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 17:31:11 +00:00
Kalle Raiskila
7d17097e4a Dont' feed ILA two inputs - it takes just one. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121372 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 16:17:31 +00:00
Jim Grosbach
bfd0daa6a6 tidy up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121371 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 16:15:41 +00:00
Jim Grosbach
2a4f0986ac 80 columns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121370 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 16:14:46 +00:00
Chris Lattner
8fdca6a873 enhance memcpyopt to zap memcpy's that have the same src/dst. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121362 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 07:45:45 +00:00
Chris Lattner
f7f35467a9 fix PR8753, eliminating a case where we'd infinitely make a 
substitution because it doesn't actually change the IR.  Patch by
Jakub Staszak!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121361 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 07:39:50 +00:00
Eric Christopher
d8c0536651 Rewrite the darwin tlv support to use a chain and return to copying 
the output to the correct register. Fixes a hidden problem uncovered
by the last patch where we'd try to DAG combine our MVT::Other node
oddly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121358 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 06:25:53 +00:00
Owen Anderson
f33b302e5b Take the first step towards making LVI non-recursive: get rid of the LVIQuery abstraction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121357 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 06:14:58 +00:00
Eric Christopher
503a64dcd4 80-col fixups. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121356 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 04:48:06 +00:00
Wesley Peck
8397be0427 Reworking the stack layout generated by the MBlaze backend. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121355 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 03:42:04 +00:00
Owen Anderson
6b0fa635d5 Fix encoding of the immediate operands on post-indexed LDR and friends. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121354 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 02:56:12 +00:00
Dan Gohman
d8e0c0438a Really check that the bits that will become zero are actually already zero 
before eliminating the operation that zeros them. This fixes rdar://8739316.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121353 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 02:52:17 +00:00
Eric Christopher
1a48c032bd Fix up some comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121351 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 01:57:45 +00:00
Owen Anderson
d7b3f5870d Fix Thumb2 fixups for ldr. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121350 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 01:51:07 +00:00
Jim Grosbach
766a63d20e Add a textual message to the assert. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121349 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 01:23:51 +00:00
Jim Grosbach
9702e6075c Add a sanity check assert() for t2ADD/SUBrSPi instructions that they really are 
referencing the stack pointer as they say they are.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121347 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 01:22:19 +00:00
Jim Grosbach
cde31293d4 When using multiple instructions to reference a frame index, make sure to 
update the opcode when necessary as well as the source register.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121346 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 01:22:13 +00:00
Jim Grosbach
a0e23c5e95 The add/sub SP instructions are really pseudos. The assembler should ignore 
them.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121345 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 01:21:27 +00:00
Jakob Stoklund Olesen
a35cce1a14 IntervalMap iterators are heavyweight, so avoid copying them around and use 
references instead.

Similarly, IntervalMap::begin() is almost as expensive as find(), so use find(x)
instead of begin().advanceTo(x);

This makes RegAllocBasic run another 5% faster.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121344 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 01:06:52 +00:00
Matt Beaumont-Gay
0a29c270b5 Remove unused variables 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121343 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 01:04:43 +00:00
Owen Anderson
8f07943317 Fix typo in Thumb2 branch fixup. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121342 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 01:02:09 +00:00
Eric Christopher
2040961f89 Stop confusing people, it's not really a chain, or a tumor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121340 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 00:57:19 +00:00
Bill Wendling
2fe813af23 Remove extraneous semicolon. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121338 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 00:51:54 +00:00
Bill Wendling
797b7aab35 Attempt to make the bit-twiddling readable resulted in the binary value being 
overwritten.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121337 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 00:44:33 +00:00
Bill Wendling
09aa3f0ef3 The BLX instruction is encoded differently than the BL, because why not? In 
particular, the immediate has 20-bits of value instead of 21. And bit 0 is '0'
always. Going through the BL fixup encoding was trashing the "bit 0 is '0'"
invariant.

Attempt to get the encoding at slightly more correct with this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121336 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 00:39:08 +00:00
Eric Christopher
8bce7cc3bf Remove extraneous copy from DAG conversion for darwin tls. This was 
popping up at O0 when it wasn't folded and the fast allocator would
complain.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121330 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 00:27:58 +00:00
Owen Anderson
fb20d89075 Fix Thumb2 BCC encoding and fixups. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121329 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 00:27:41 +00:00
Eric Christopher
2871768f40 Add rsp to the uses for the same reason as 32-bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121328 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 00:26:41 +00:00
Devang Patel
d639c7cab4 DW_FORM_data1 may not provide sufficient room for vtable index, use _udata instead. 
This fixes radar 8730409.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121323 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 00:10:40 +00:00
Kevin Enderby
76331754d4 Allow a slash, '/', as a prefix separator for X86. rdar://8741045 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121320 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 23:57:59 +00:00
Jakob Stoklund Olesen
9b0c4f8af3 Properly deal with empty intervals when checking for interference. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121319 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 23:51:35 +00:00
Jason W Kim
045869c12a Style nit and whitespace cleanup 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121317 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 23:35:25 +00:00
Jim Grosbach
60fc2ed2bb Clean up the add/sub w/ SP source reg instructions in Thumb2 a bit. Add a FIXME 
for more thorough cleanup.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121315 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 23:30:19 +00:00
Jim Grosbach
20e0fa698d Fix T2TwoRegImm and use it for t2ADDrSPi12 and friends. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121314 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 23:24:29 +00:00
Jason W Kim
0062db8b4f Removed dead comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121313 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 23:19:44 +00:00
Jason W Kim
a0871e7927 ARM/MC/ELF TPsoft is now a proper pseudo inst. 
Added test to check bl __aeabi_read_tp gets emitted properly for ELF/ASM
as well as ELF/OBJ (including fixup)

Also added support for ELF::R_ARM_TLS_IE32



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121312 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 23:14:44 +00:00
Jim Grosbach
7685ff84ad T2TwoRegImm isn't right for t2SUBrSPi12. Use T2I instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121311 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 23:13:01 +00:00
Jim Grosbach
37474e6d68 Add operand encoding for Thumb2 subw SP + imm. rdar://8745434 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121310 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 23:12:09 +00:00
Jim Grosbach
07e9b26371 Add operand encoding for Thumb2 addw Rn + imm. rdar://8745434 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121309 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 23:04:16 +00:00
Bill Wendling
dff2f7151f Support the "target" encodings for the CB[N]Z instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121308 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 23:01:43 +00:00
Evan Cheng
5d9e016025 Fix an obvious cut-n-paste error. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121307 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 23:01:18 +00:00
Jakob Stoklund Olesen
90c1d7ddfc Implement very primitive hinting support in RegAllocGreedy. 
The hint is simply tried first and then forgotten if it couldn't be allocated
immediately.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121306 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 22:57:16 +00:00
Jim Grosbach
b76dfe06d9 Add operand encoding for Thumb2 addw SP + imm. rdar://8745434 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121305 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 22:50:19 +00:00
Jim Grosbach
7c6d85a981 Parameterize opcode encoding bits for Thumb2 extended precision integer 
multiply instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121301 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 22:38:41 +00:00
Jim Grosbach
5208204899 Fix operand encoding for Thumb2 extended precision multiplies. rdar://8745555 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121297 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 22:29:28 +00:00
Jakob Stoklund Olesen
d0bec3e62c Store (priority,regnum) pairs in the priority queue instead of providing an 
abstract priority queue interface in subclasses that want to override the
priority calculations.

Subclasses must provide a getPriority() implementation instead.

This approach requires less code as long as priorities are expressable as simple
floats, and it avoids the dangers of defining potentially expensive priority
comparison functions.

It also should speed up priority_queue operations since they no longer have to
chase pointers when comparing registers. This is not measurable, though.

Preferably, we shouldn't use floats to guide code generation. The use of floats
here is derived from the use of floats for spill weights. Spill weights have a
dynamic range that doesn't lend itself easily to a fixpoint implementation.

When someone invents a stable spill weight representation, it can be reused for
allocation priorities.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121294 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 22:22:41 +00:00
Eric Christopher
bece04845e Reword comment slightly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121293 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 22:21:42 +00:00
Jim Grosbach
8638692362 Simplify T2 operand assignment notation a bit. No need to specify a bit range 
for the source field when it's the whole thing that's being referenced.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121291 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 22:10:43 +00:00