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Author SHA1 Message Date
Eli Friedman
5d36d37a4a Add AssertingVH which makes PR7647 break consistently. 
llvm-svn: 108401
 2010-07-15 04:46:14 +00:00
Eli Friedman
fc1680a9af Random note about bswap. 
llvm-svn: 108396
 2010-07-15 02:20:38 +00:00
Chris Lattner
01c2381bd7 a more graceful fix for test/Other/inline-asm-newline-terminator.ll, 
follow on to r103765

llvm-svn: 108390
 2010-07-15 00:37:34 +00:00
Eli Friedman
ded29cd2dc Speculatively revert r108378; may be causing bootstrap failures. 
llvm-svn: 108389
 2010-07-15 00:33:00 +00:00
Jakob Stoklund Olesen
0a565bde90 Last COPY conversion. 
llvm-svn: 108387
 2010-07-14 23:58:21 +00:00
Bob Wilson
27e348cfa5 Remove restriction on NEON alignment values. Some of the NEON ld/st 
instructions use different values (e.g., 2-byte or 4-byte alignment).
Also fix ARMInstPrinter to print these alignments as bits instead of bytes.

llvm-svn: 108386
 2010-07-14 23:54:43 +00:00
Jakob Stoklund Olesen
e3aafe4988 Use TargetOpcode::COPY instead of X86-native register copy instructions when 
lowering atomics. This will allow those copies to still be coalesced after
TII::isMoveInstr is removed.

llvm-svn: 108385
 2010-07-14 23:50:27 +00:00
Bob Wilson
b9dbac8655 Remove the entire docs directory from Apple-style builds. 
This fixes a "usr_junk" verification failure when installing into /usr.

llvm-svn: 108384
 2010-07-14 23:49:18 +00:00
Bob Wilson
5c736e0034 Try to get embedded build of llvmCore to pass verification. 
Simplify some things in the process.

llvm-svn: 108382
 2010-07-14 23:41:58 +00:00
Eric Christopher
99de6c6eb6 80-col. 
llvm-svn: 108381
 2010-07-14 23:41:32 +00:00
Owen Anderson
4656b749f2 Add instcombine transforms to optimize tests of multiple bits of the same value into a single larger comparison. 
llvm-svn: 108378
 2010-07-14 23:33:51 +00:00
Eric Christopher
138d7ceb99 Temporarily disable this test. 
llvm-svn: 108371
 2010-07-14 23:12:58 +00:00
Devang Patel
8924b27a38 Make it a .ll test case. 
llvm-svn: 108370
 2010-07-14 23:12:52 +00:00
Dan Gohman
07ef07c202 Make the order in which variables are described in debug information 
independent of the order that isel happens to visit the dbg_declare
intrinsics. This fixes a bug in which the formal arguments were
being printed in reverse order, now that fast isel is going bottom up.

llvm-svn: 108369
 2010-07-14 23:08:16 +00:00
Chris Lattner
fa93b779db fix indentation 
llvm-svn: 108368
 2010-07-14 23:04:59 +00:00
Bob Wilson
1f4fed20a5 Remove some broken code to check the DISABLE_EDIS flag (edis is now in the 
DIRS list, so it does no good to filter it from PARALLEL_DIRS), and replace
it with a check to disable building the shared library version of edis when
the flag is set.  Disabling it entirely does not work because MC uses it now.

llvm-svn: 108367
 2010-07-14 22:41:51 +00:00
Benjamin Kramer
da3e6cdb26 Don't pass StringRef by reference. 
llvm-svn: 108366
 2010-07-14 22:38:02 +00:00
Eric Christopher
b2a93bbcc7 Add a testcase for the vla and stack realignment warning. 
llvm-svn: 108365
 2010-07-14 22:26:35 +00:00
Dan Gohman
9589865567 Properly restore DebugLoc after leaving the local constant area. 
llvm-svn: 108364
 2010-07-14 22:01:31 +00:00
Dale Johannesen
6c1d01b37c Tests for llvm-gcc commit 108360. 
llvm-svn: 108362
 2010-07-14 21:22:35 +00:00
Dan Gohman
4a92aee9d6 Just use getParent() instead of getModuleFromVal when the value is a Function. 
llvm-svn: 108358
 2010-07-14 21:12:44 +00:00
Dan Gohman
e91d5d0c36 Rename WriteConstantInt to WriteConstantInternal, to avoid confusion. 
llvm-svn: 108357
 2010-07-14 20:57:55 +00:00
Owen Anderson
5de6c42ebd Extend SimplifyCFG's common-destination folding heuristic to allow a single 
"bonus" instruction to be speculatively executed.  Add a heuristic to
ensure we're not tripping up out-of-order execution by checking that this bonus
instruction only uses values that were already guaranteed to be available.

This allows us to eliminate the short circuit in (x&1)&&(x&2).

llvm-svn: 108351
 2010-07-14 19:52:16 +00:00
Dan Gohman
8c1d1d0b27 Factor out metadata parsing into a separate function. 
llvm-svn: 108343
 2010-07-14 18:26:50 +00:00
Chris Lattner
2793cb1bd6 Merge lib/Target/X86/X86COFF.h into include/llvm/Support/COFF.h, 
patch by Michael Spencer!

llvm-svn: 108342
 2010-07-14 18:14:33 +00:00
Jim Grosbach
e2d1ecbe70 Improve 64-subtraction of immediates when parts of the immediate can fit 
in the literal field of an instruction. E.g.,
long long foo(long long a) {
  return a - 734439407618LL;
}

rdar://7038284

llvm-svn: 108339
 2010-07-14 17:45:16 +00:00
Dan Gohman
8e01a639c0 Delete fast-isel's trivial load optimization; it breaks debugging because 
it can look past points where a debugger might modify user variables.

llvm-svn: 108336
 2010-07-14 17:25:37 +00:00
Bob Wilson
f46d710471 Fix test to appease the buildbots. 
llvm-svn: 108334
 2010-07-14 16:43:47 +00:00
Bob Wilson
f60d34bfad Add missing address register update to t2LDM_RET instruction. 
Patch by Brian Lucas. PR7636.

llvm-svn: 108332
 2010-07-14 16:02:13 +00:00
Duncan Sands
b0f45f192c Rather than using an ifdef on the target to zero out fields, 
just use memset to zero the entire struct.

llvm-svn: 108330
 2010-07-14 14:32:33 +00:00
Eli Friedman
7175d7558d A couple potential optimizations inspired by comment 4 in PR6773. 
llvm-svn: 108328
 2010-07-14 06:58:26 +00:00
Evan Cheng
f6478f489d Fix for PR7193 was overly conservative. The only case where sibcall callee 
address cannot be allocated a register is in 32-bit mode where the first
three arguments are marked inreg. In that case EAX, EDX, and ECX will be
used for argument passing.

This fixes PR7610.

llvm-svn: 108327
 2010-07-14 06:44:01 +00:00
Bob Wilson
34f481e895 Add support for NEON VMVN immediate instructions. 
llvm-svn: 108324
 2010-07-14 06:31:50 +00:00
Bob Wilson
298c5c46c1 The bits in the cmode field of 32-bit VMOV immediate instructions all depend 
of the value of the immediate.

llvm-svn: 108323
 2010-07-14 06:30:44 +00:00
Chris Lattner
38e6ecd9f1 revert r108320, I see the failures now... 
llvm-svn: 108322
 2010-07-14 06:16:35 +00:00
Chris Lattner
5822d6d579 reapply benjamin's instcombine patch, I don't see anything wrong with it and can't repro any problems with a manual self-host. 
llvm-svn: 108320
 2010-07-14 05:59:13 +00:00
Evan Cheng
7ff31f22a4 Re-enable the test with fix. 
llvm-svn: 108319
 2010-07-14 05:49:23 +00:00
Chris Lattner
b800dea3b6 temporarily disable to test to fix buildbots. 
llvm-svn: 108310
 2010-07-14 02:21:59 +00:00
Chris Lattner
25b9b8f2fc fix a bug found by a warning I added to clang this morning. 
llvm-svn: 108309
 2010-07-14 01:57:17 +00:00
Evan Cheng
72e40c4e08 Teach ProcessImplicitDefs to transform more COPY instructions into IMPLICIT_DEF (and subsequently eliminate them). This allows machine LICM to hoist IMPLICIT_DEF's. PR7620. 
llvm-svn: 108304
 2010-07-14 01:22:19 +00:00
Bob Wilson
0f581a998c Add an ARM-specific DAG combining to avoid redundant VDUPLANE nodes. 
Radar 7373643.

llvm-svn: 108303
 2010-07-14 01:22:12 +00:00
Dan Gohman
18711b19c9 Don't propagate debug locations to instructions for materializing 
constants, since they may not be emited near the other instructions
which get the same line, and this confuses debug info.

llvm-svn: 108302
 2010-07-14 01:07:44 +00:00
Bruno Cardoso Lopes
0616a418b6 Add AVX 256-bit compare instructions and a bunch of testcases 
llvm-svn: 108286
 2010-07-13 22:06:38 +00:00
Jakob Stoklund Olesen
9b5d14c0f0 Remove vestigial decl. 
llvm-svn: 108278
 2010-07-13 21:19:08 +00:00
Jakob Stoklund Olesen
04bbd415d6 Print VNInfo flags. 
llvm-svn: 108277
 2010-07-13 21:19:05 +00:00
Bob Wilson
7feb850d36 Use a target-specific VMOVIMM DAG node instead of BUILD_VECTOR to represent 
NEON VMOV-immediate instructions.  This simplifies some things.

llvm-svn: 108275
 2010-07-13 21:16:48 +00:00
Bruno Cardoso Lopes
7bc71d2d0a AVX 256-bit conversion instructions 
Add the x86 VEX_L form to handle special cases where VEX_L must be set.

llvm-svn: 108274
 2010-07-13 21:07:28 +00:00
Evan Cheng
d4c5f36755 Update comment. 
llvm-svn: 108272
 2010-07-13 21:03:14 +00:00
Dale Johannesen
f84a7f2b4f In inline asm treat indirect 'X' constraint as 'm'. 
This may not be right in all cases, but it's better
than asserting which it was doing before.  PR 7528.

llvm-svn: 108268
 2010-07-13 20:17:05 +00:00
Kevin Enderby
c26ac60ca8 Added a check that pusha cannot be encoded in 64-bit mode. 
llvm-svn: 108265
 2010-07-13 20:05:41 +00:00