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41574 Commits

Author SHA1 Message Date
Evan Cheng
1c7f72d0bc Avoid splitting critical edge twice for a set of PHI uses. 
llvm-svn: 114338
 2010-09-20 19:12:55 +00:00
Francois Pichet
53617de15e Fix the "unable to rename temporary" lit test failing on Windows. rename is now copy + delete on Windows. Problem to be revisited for a permanent and clean solution. 
llvm-svn: 114320
 2010-09-20 04:03:07 +00:00
Owen Anderson
9594834ec1 Revert r114312 while I sort out some issues. 
llvm-svn: 114313
 2010-09-19 21:01:26 +00:00
Owen Anderson
65f23dcf7e Tentatively enabled DAGCombiner Alias Analysis by default. As far as I know, 
r114268 fixed the last of the blockers to enabling it.  I will be monitoring
for failures.

llvm-svn: 114312
 2010-09-19 19:51:55 +00:00
Jakob Stoklund Olesen
8ae6803659 Add one more Core i7 model number. 
llvm-svn: 114310
 2010-09-19 17:54:28 +00:00
Chris Lattner
3203bf3688 idiom recognition should catch this. 
llvm-svn: 114304
 2010-09-19 00:37:34 +00:00
Chris Lattner
ac0afb0fbe add a readme. 
llvm-svn: 114303
 2010-09-19 00:34:58 +00:00
Chris Lattner
4e80799dbb add corei7, the laptop version. 
llvm-svn: 114302
 2010-09-19 00:31:58 +00:00
NAKAMURA Takumi
a4a0276d4f X86Subtarget.h: Fix Cygwin's TD. 
llvm-svn: 114297
 2010-09-18 19:50:42 +00:00
Eric Christopher
2901b19344 Add the exit instruction to the PTX target. 
Patch by Che-Liang Chiou <clchiou@gmail.com>!

llvm-svn: 114294
 2010-09-18 18:52:28 +00:00
Michael J. Spencer
3a9b3aae55 Fix build. 
llvm-svn: 114292
 2010-09-18 17:54:37 +00:00
Rafael Espindola
9c3a9bf8aa Make sure the STT_FILE symbol is the first one in the symbol table. 
llvm-svn: 114285
 2010-09-18 15:03:21 +00:00
Benjamin Kramer
89a330c4b9 Unbreak msvc build. 
llvm-svn: 114284
 2010-09-18 14:41:26 +00:00
Gabor Greif
dd1c709af4 do not rely on the implicit-dereference semantics of dyn_cast_or_null 
llvm-svn: 114278
 2010-09-18 11:55:34 +00:00
Gabor Greif
5348c51fbe do not rely on the implicit-dereference semantics of dyn_cast_or_null 
llvm-svn: 114277
 2010-09-18 11:53:39 +00:00
Lang Hames
2d87a43549 Fixed non-const iterator error. 
llvm-svn: 114273
 2010-09-18 09:49:08 +00:00
Lang Hames
4a8c999803 Added a separate class (PBQPBuilder) for PBQP Problem construction. This class can be extended to support custom constraints. 
For now the allocator still uses the old (internal) construction mechanism by default. This will be phased out soon assuming 
no issues with the builder system come up.

To invoke the new construction mechanism just pass '-regalloc=pbqp -pbqp-builder' to llc. To provide custom constraints a
Target just needs to extend PBQPBuilder and pass an instance of their derived builder to the RegAllocPBQP constructor.

llvm-svn: 114272
 2010-09-18 09:07:10 +00:00
Evan Cheng
442cb9c620 Fix code that break critical edges for PHI uses. Watch out for multiple PHIs in different blocks. 
llvm-svn: 114270
 2010-09-18 06:42:17 +00:00
Owen Anderson
015641f659 Invert the logic of reachesChainWithoutSideEffects(). What we want to check is that there is 
NO path to the destination containing side effects, not that SOME path contains no side effects.
In  practice, this only manifests with CombinerAA enabled, because otherwise the chain has little
to no branching, so "any" is effectively equivalent to "all".

llvm-svn: 114268
 2010-09-18 04:45:14 +00:00
Eric Christopher
0c5e912e21 Thumb opcodes for thumb calls. 
llvm-svn: 114263
 2010-09-18 02:32:38 +00:00
Eric Christopher
c9fef312c8 Add addrmode5 fp load support. Swap float/thumb operand adding to handle 
thumb with floating point.

llvm-svn: 114256
 2010-09-18 01:59:37 +00:00
Eric Christopher
b6ce0ab878 Floating point stores have a 3rd addressing mode type. 
llvm-svn: 114254
 2010-09-18 01:23:38 +00:00
Jim Grosbach
c909422ee9 factor out a simple helper function to create a label for PC-relative 
instructions (PICADD, PICLDR, et.al.)

llvm-svn: 114243
 2010-09-18 00:05:05 +00:00
Jim Grosbach
a19f7799fb PC-relative pseudo instructions are lowered and printed directly. Any encounter 
with one in the generic printing code is an error.

llvm-svn: 114242
 2010-09-18 00:04:53 +00:00
Benjamin Kramer
1cad9b6521 Fix vmov.f64 disassembly on targets where sizeof(long) != 8. 
llvm-svn: 114240
 2010-09-17 23:48:07 +00:00
Jim Grosbach
8b988eb1d4 Add MC-inst handling for tPICADD 
llvm-svn: 114237
 2010-09-17 23:41:53 +00:00
Bob Wilson
670e1915c0 Add target-specific DAG combiner for BUILD_VECTOR and VMOVRRD. An i64 
value should be in GPRs when it's going to be used as a scalar, and we use
VMOVRRD to make that happen, but if the value is converted back to a vector
we need to fold to a simple bit_convert.  Radar 8407927.

llvm-svn: 114233
 2010-09-17 22:59:05 +00:00
Jim Grosbach
8ae5cfffdd Teach the (non-MC) instruction printer to use the cannonical names for push/pop, 
and shift instructions on ARM. Update the tests to match.

llvm-svn: 114230
 2010-09-17 22:36:38 +00:00
Rafael Espindola
acd5bacfb9 Avoid relocations in a common case. 
llvm-svn: 114229
 2010-09-17 22:34:41 +00:00
Evan Cheng
8c2bde65f0 Teach machine sink to 
1) Do forward copy propagation. This makes it easier to estimate the cost of the
   instruction being sunk.
2) Break critical edges on demand, including cases where the value is used by
   PHI nodes.
Critical edge splitting is not yet enabled by default.

llvm-svn: 114227
 2010-09-17 22:28:18 +00:00
Eric Christopher
716614f126 Rework arm fast isel branch and compare code. 
llvm-svn: 114226
 2010-09-17 22:28:18 +00:00
Evan Cheng
042ab036a2 Machine CSE was forgetting to clear some data structures. 
llvm-svn: 114222
 2010-09-17 21:59:42 +00:00
Evan Cheng
5f2926d516 Fix a potential bug that can cause miscomparison with and without debug info. 
llvm-svn: 114220
 2010-09-17 21:56:26 +00:00
Jakob Stoklund Olesen
37131971c3 Don't include <fenv.h> now that we have llvm/System/FEnv.h. 
llvm-svn: 114219
 2010-09-17 21:47:03 +00:00
Jim Grosbach
6e477cd3d8 Hook up verbose asm comment printing for SOImm operands in MC printer 
llvm-svn: 114215
 2010-09-17 21:33:25 +00:00
Jim Grosbach
352a616f23 trailing whitespace 
llvm-svn: 114212
 2010-09-17 21:25:10 +00:00
Dan Gohman
aaed2c137f Avoid emitting a PIC base register if no PIC addresses are needed. 
This fixes rdar://8396318.

llvm-svn: 114201
 2010-09-17 20:24:24 +00:00
Dan Gohman
8058e1b851 Attempt to support platforms which don't have fenv.h. 
llvm-svn: 114196
 2010-09-17 20:06:27 +00:00
Jim Grosbach
1703c92cf5 Add skeleton infrastructure for the ARMMCCodeEmitter class. Patch by Jason Kim! 
llvm-svn: 114195
 2010-09-17 18:46:17 +00:00
Jim Grosbach
34a1adb4ea handle the upper16/lower16 target operand flags on symbol references for MC 
instruction lowering.

llvm-svn: 114191
 2010-09-17 18:25:25 +00:00
Chris Lattner
4bce01542c fix rdar://8444631 - encoder crash on 'enter' 
What a weird instruction.

llvm-svn: 114190
 2010-09-17 18:02:29 +00:00
Daniel Dunbar
ea0a5aee7b Fix an MSVC warning. 
llvm-svn: 114184
 2010-09-17 16:34:24 +00:00
Jim Grosbach
23ac157064 expand PICLDR MC lowering to handle other PICLDR and PICSTR versions. 
llvm-svn: 114183
 2010-09-17 16:25:52 +00:00
Daniel Dunbar
ed92665b19 MC/Mach-O/i386: Fix a crash in relocation handling. 
llvm-svn: 114176
 2010-09-17 15:21:50 +00:00
NAKAMURA Takumi
14029b5d65 Move the declaration SetInformationJobObject() outside of namespace. 
It is also workaround for PR7927.

llvm-svn: 114175
 2010-09-17 11:14:18 +00:00
NAKAMURA Takumi
cfded91183 AlphaSchedule.td: 7bit-ize. 
llvm-svn: 114173
 2010-09-17 09:56:43 +00:00
Daniel Dunbar
8a328e38c5 System: Don't reexport ___eprintf when building with Clang; this symbol isn't 
used on Darwin anymore, and Clang might not always link with the library it is
currently found in.

llvm-svn: 114165
 2010-09-17 04:25:24 +00:00
Daniel Dunbar
a43c86b354 MC/AsmParser: Add support for 'a + 4@GOTPCREL' and friends, by reconsing the 
expression to include the modifier.
 - Gross, but this a corner case we don't expect to see often in practice, but
   it is worth accepting.
 - Also improves diagnostics on invalid modifiers.

llvm-svn: 114154
 2010-09-17 02:47:07 +00:00
Dan Gohman
9dc559bdef Fix the folding of floating-point math library calls, like sin(infinity), 
so that it detects errors on platforms where libm doesn't set errno.
It's still subject to host libm details though.

llvm-svn: 114148
 2010-09-17 01:38:06 +00:00
Dan Gohman
2f0d88bcbe Add an #include of raw_ostream.h. Previously, this only compiled 
because it was using Twine.h's declaration of operator<<(const Twine &).

llvm-svn: 114141
 2010-09-17 00:33:43 +00:00