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Commit Graph

47293 Commits

Author SHA1 Message Date
Evan Cheng
b45918e5bb Fix PR4419: handle defs of partial uses.
llvm-svn: 73816
2009-06-20 04:34:51 +00:00
Devang Patel
a011b501a0 Remove unused field.
llvm-svn: 73815
2009-06-20 01:07:54 +00:00
Devang Patel
7003004d00 Initialize MMI
llvm-svn: 73813
2009-06-20 01:00:07 +00:00
Chris Lattner
18485eef13 hook up printMemReference.
llvm-svn: 73811
2009-06-20 00:50:32 +00:00
Chris Lattner
19fc691c16 Start implementing translation of MachineInstr to MCInst. Next
step is to make tblgen generate something more appropriate for MCInst,
and generate calls to operand translation routines where needed.
This includes a bunch of #if 0 code which will slowly be refactored into
something sensible.

llvm-svn: 73810
2009-06-20 00:49:26 +00:00
Chris Lattner
fba2cdee3d make immediates be int64_t like machineoperand. Add some apis
llvm-svn: 73809
2009-06-20 00:47:37 +00:00
Dan Gohman
b60dedbf0a Tweak this test to be a little less unusual.
llvm-svn: 73808
2009-06-20 00:40:56 +00:00
Dan Gohman
29100270c0 Generalize isLoopGuardedByCond's checking to consider two
SCEVUnknowns with identical Instructions to be equal. This allows
it to analze cases such as the attached testcase, where the front-end
has cloned the loop controlling expression. Along with r73805, this
lets IndVarSimplify eliminate all the sign-extend casts in the
loop in the attached testcase.

llvm-svn: 73807
2009-06-20 00:35:32 +00:00
Owen Anderson
c1a4bbe1c8 Workaround for an... interesting bug in Darwin's pthread_rwlock_init.
llvm-svn: 73806
2009-06-20 00:32:27 +00:00
Dan Gohman
074c629d46 Use ScalarEvolution's new GetMinSignBits and GetMinLeadingZeros
in the loop backedge-taken count computation of the maximum
possible trip count.

llvm-svn: 73805
2009-06-20 00:32:22 +00:00
Owen Anderson
b66d0add26 Add debugging code to test for various locking faux-pas's, when running in single threaded mode. This should help improve testing coverage for
threading support, without having extensive actually concurrent clients yet.

llvm-svn: 73803
2009-06-20 00:27:21 +00:00
Owen Anderson
56b666e12a Forgot this file.
llvm-svn: 73802
2009-06-20 00:26:26 +00:00
Owen Anderson
733fa621f6 Revert r73790, and replace it with a significantly less ugly solution. Rather than trying to make the global reader-writer lock work,
create separate recursive mutexes for each value map.  The recursive-ness fixes the double-acquiring issue, which having one per ValueMap
lets us continue to maintain some concurrency.

llvm-svn: 73801
2009-06-20 00:24:58 +00:00
Chris Lattner
2e95d43f24 stub out some hacky code for wiring up the new asmprinter interfaces
on X86.  Not useful yet.

llvm-svn: 73799
2009-06-19 23:59:57 +00:00
Chris Lattner
aa5577283c allow clients of the asmprinter to opt-out of the boilerplate with a #define.
llvm-svn: 73798
2009-06-19 23:57:53 +00:00
Dan Gohman
a81541945b Fix a typo in a comment that Frits von Bommel noticed.
llvm-svn: 73796
2009-06-19 23:41:37 +00:00
Dan Gohman
d3c3963eea Make GetMinTrailingZeros a member function of ScalarEvolution,
so that it can access the TargetData member (when available) and
use ValueTracking.h information to compute information for
SCEVUnknown Values.

Also add GetMinLeadingZeros and GetMinSignBits functions,
with minimal implementations.

llvm-svn: 73794
2009-06-19 23:29:04 +00:00
Dan Gohman
651faa1905 Re-apply r73718, now that the fix in r73787 is in, and add a
hand-crafted testcase which demonstrates the bug that was exposed
in 254.gap.

llvm-svn: 73793
2009-06-19 23:23:27 +00:00
Devang Patel
e8b5c14209 DwarfWriter is used to emit EH info also.
llvm-svn: 73792
2009-06-19 23:21:20 +00:00
Evan Cheng
f18de63563 Enable arm pre-allocation load / store multiple optimization pass.
llvm-svn: 73791
2009-06-19 23:17:27 +00:00
Owen Anderson
295610c408 Fix a serious bug that would cause deadlock during abstract type refinement. The constant creation
gets involved, and we end up trying to recursively acquire a writer lock.  The fix for this is slightly horrible,
and involves passing a boolean "locked" parameter around in Constants.cpp, but it's better than having locked and
unlocked versions of most of the code.

llvm-svn: 73790
2009-06-19 23:16:19 +00:00
Dan Gohman
9bd151655f Fix LSR's OptimizeSMax to ignore max operators with more than 2 operands,
which it isn't prepared to handle.

llvm-svn: 73787
2009-06-19 23:03:46 +00:00
Devang Patel
e2b1c9a530 mv CodeGen/DebugLoc.h Support/DebugLoc.h
llvm-svn: 73786
2009-06-19 22:08:58 +00:00
Devang Patel
35810cd07b Move up dwarf writer initialization in common AsmPrinter class.
llvm-svn: 73784
2009-06-19 21:54:26 +00:00
Evan Cheng
b90241ac42 Revert 73718. It's breaking 254.gap.
llvm-svn: 73783
2009-06-19 21:15:06 +00:00
Anton Korobeynikov
ff313dba2f Unbreak cyclic deps
llvm-svn: 73781
2009-06-19 19:36:55 +00:00
Owen Anderson
47968a6dec Fix bad paste-o in the MSVC atomics.
Patch by Иван Сорокин.

llvm-svn: 73779
2009-06-19 18:37:50 +00:00
Owen Anderson
7f70078b63 Forgot to remove some explicit locking when it became implicit in the ValueMap.
llvm-svn: 73778
2009-06-19 18:34:09 +00:00
Owen Anderson
64a3af667e Fences are expensive. Avoid doing them when we're not in multithreaded mode.
llvm-svn: 73777
2009-06-19 17:50:11 +00:00
Dan Gohman
c71421c97e Make ScalarEvolution::print print getSCEVAtScope values for
expressions, when interesting.

llvm-svn: 73776
2009-06-19 17:49:54 +00:00
Owen Anderson
12e12ed0d4 Move the memory fences out of the path for single-threaded mode.
llvm-svn: 73775
2009-06-19 17:45:12 +00:00
Dan Gohman
d920fdb643 Don't (unconditionally) use getSCEVAtScope to simplify the step
expression in IVUsers, because in the case of a use of a non-linear
addrec outside of a loop, this causes the addrec to be evaluated as
a linear addrec.

llvm-svn: 73774
2009-06-19 17:33:15 +00:00
Owen Anderson
c17c15cb23 Fix incorrect comment pointed out by Duncan.
llvm-svn: 73773
2009-06-19 17:20:50 +00:00
Bob Wilson
3d9e4468a2 Clean up nightly tester to use Perl's File::Find.
Patch by Benjamin Kramer.

llvm-svn: 73772
2009-06-19 17:19:38 +00:00
Owen Anderson
c0ba371831 Fix a major typo.
Nicolas, this is probably the cause of the failures you were seeing.

llvm-svn: 73770
2009-06-19 17:08:20 +00:00
Chris Lattner
8f6f044afd make jump threading handle lexically identical compare instructions
as if they were multiple uses of the same instruction.  This interacts
well with the existing loadpre that j-t does to open up many new jump
threads earlier.

llvm-svn: 73768
2009-06-19 16:27:56 +00:00
Chris Lattner
91740476a3 fix the sparc codegen to not depend on the sparc asmprinter.
llvm-svn: 73767
2009-06-19 15:48:10 +00:00
Duncan Sands
30dcb8401d Add support for AuroraUX. Patch by evocallaghan.
llvm-svn: 73766
2009-06-19 14:40:01 +00:00
Duncan Sands
229706d87f Since -Wno-long-long is ignored without -pedantic,
place it with -pedantic.  Remove -Wunused since it
is implied by -Wall.  Group -Wno-unused-parameter
with -Wall -W since it is the combination of these
two that turns on -Wunused-parameter.

llvm-svn: 73765
2009-06-19 12:40:30 +00:00
Evan Cheng
706927c96a Add comments.
llvm-svn: 73761
2009-06-19 07:06:07 +00:00
Eli Friedman
5cccb60bad Fix for PR2484: add an SSE1 pattern for a shuffle we normally prefer to
handle with an SSE2 instruction.

llvm-svn: 73760
2009-06-19 07:00:55 +00:00
Evan Cheng
8f613095de Should be using Bcc (average) latency to determine if-conversion threshold, not BL.
llvm-svn: 73759
2009-06-19 06:56:26 +00:00
Eli Friedman
eb83635a7e Minor cleanup; fixes review comments for a previous patch. Sorry for
taking so long to get to this!

llvm-svn: 73757
2009-06-19 06:01:55 +00:00
Nick Lewycky
a5f89b09c6 Teach jump threading to look at comparisons between phi nodes and non-constants.
llvm-svn: 73755
2009-06-19 04:56:29 +00:00
Eli Friedman
b2688e9b73 Misc tweaks to Intel asm printing to make it more compatible with MASM.
Patch by Benedict Gaster.

llvm-svn: 73753
2009-06-19 04:48:38 +00:00
Chris Lattner
8ddc06469c Improve tail call elim to move loads above readonly calls
when it allows forming a tail call.  Patch by Frits van
Bommel.  This implements PR4323.

llvm-svn: 73752
2009-06-19 04:22:16 +00:00
Chris Lattner
3a683c551f part of PR4405: disable a contentious optimization for
strcmp -> memcmp when the lengths of the strings are unknown.

Patch by Nick Lewycky!

llvm-svn: 73751
2009-06-19 04:17:36 +00:00
Lang Hames
1bade5ff09 More VNInfo tweaking, plus a little progress on intra-block splitting.
llvm-svn: 73750
2009-06-19 02:17:53 +00:00
Evan Cheng
667924dc46 Transfer dead markers when a ldrd is changed into a ldm or a pair of ldr.
llvm-svn: 73749
2009-06-19 01:59:04 +00:00
Zhongxing Xu
d290ff9411 Include DataTypes.h for 'uint64_t'.
llvm-svn: 73748
2009-06-19 01:56:53 +00:00