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Chris Lattner [Tue, 17 May 2011 07:22:33 +0000 (07:22 +0000)]
add a note
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131455
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Stuart Hastings [Tue, 17 May 2011 02:38:59 +0000 (02:38 +0000)]
Drop lli, revise test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131452
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Eli Friedman [Tue, 17 May 2011 02:36:59 +0000 (02:36 +0000)]
Back out r131444 and r131438; they're breaking nightly tests. I'll look into
it more tomorrow.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131451
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Eli Friedman [Tue, 17 May 2011 00:39:14 +0000 (00:39 +0000)]
Fix test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131444
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Evan Cheng [Tue, 17 May 2011 00:15:58 +0000 (00:15 +0000)]
Add target triple so test doesn't fail on Windows machines.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131439
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Eli Friedman [Tue, 17 May 2011 00:13:47 +0000 (00:13 +0000)]
Add x86 fast-isel for calls returning first-class aggregates. rdar://
9435872.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131438
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Owen Anderson [Tue, 17 May 2011 00:05:49 +0000 (00:05 +0000)]
@llvm.lifetime.begin acts as a load, not @llvm.lifetime.end.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131437
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Jakob Stoklund Olesen [Mon, 16 May 2011 23:50:05 +0000 (23:50 +0000)]
Teach LiveInterval::isZeroLength about null SlotIndexes.
When instructions are deleted, they leave tombstone SlotIndex entries.
The isZeroLength method should ignore these null indexes.
This causes RABasic to sometimes spill a callee-saved register in the
abi-isel.ll test, so don't run that test with -regalloc=basic. Prioritizing
register allocation according to spill weight can cause more registers to be
used.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131436
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Jim Grosbach [Mon, 16 May 2011 22:24:07 +0000 (22:24 +0000)]
Kill some dead code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131431
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Dan Gohman [Mon, 16 May 2011 22:19:54 +0000 (22:19 +0000)]
Delete unused variables.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131430
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Dan Gohman [Mon, 16 May 2011 22:14:50 +0000 (22:14 +0000)]
Trim #includes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131429
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Dan Gohman [Mon, 16 May 2011 22:09:53 +0000 (22:09 +0000)]
Fix whitespace and 80-column violations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131428
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Devang Patel [Mon, 16 May 2011 22:05:03 +0000 (22:05 +0000)]
There is no need to force DebugLoc on a PHI at this point.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131427
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Jim Grosbach [Mon, 16 May 2011 21:51:07 +0000 (21:51 +0000)]
Track how many insns fast-isel successfully selects as well as how many it
misses.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131426
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Eli Friedman [Mon, 16 May 2011 21:28:22 +0000 (21:28 +0000)]
Remove dead code. Fix associated test to use FileCheck.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131424
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Devang Patel [Mon, 16 May 2011 21:24:05 +0000 (21:24 +0000)]
Preserve debug info for unused zero extended boolean argument.
Radar
9422775.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131422
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Charles Davis [Mon, 16 May 2011 21:13:58 +0000 (21:13 +0000)]
Add a method I forgot in the last commit. Don't worry, this one passed
self-host :).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131421
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Eli Friedman [Mon, 16 May 2011 21:06:17 +0000 (21:06 +0000)]
Make fast-isel work correctly s/uadd.with.overflow intrinsics.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131420
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Eli Friedman [Mon, 16 May 2011 20:34:53 +0000 (20:34 +0000)]
Fix silly typo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131419
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Eli Friedman [Mon, 16 May 2011 20:27:46 +0000 (20:27 +0000)]
Basic fast-isel of extractvalue. Not too helpful on its own, given the IR clang generates for cases like this, but it should become more useful soon.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131417
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Nick Lewycky [Mon, 16 May 2011 19:29:30 +0000 (19:29 +0000)]
Fix errors in this llvm ir example.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131416
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Jason W Kim [Mon, 16 May 2011 16:35:21 +0000 (16:35 +0000)]
Add a FIXME reminder to remove ForceARMElfPIC switch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131411
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Rafael Espindola [Mon, 16 May 2011 16:17:21 +0000 (16:17 +0000)]
sets bit 0 of the function address of thumb function in .symtab
("T is 1 if the target symbol S has type STT_FUNC and the
symbol addresses a Thumb instruction ;it is 0 otherwise."
from "ELF for the ARM Architecture" 4.7.1.2)
Patch by Koan-Sin Tan!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131406
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Rafael Espindola [Mon, 16 May 2011 15:48:45 +0000 (15:48 +0000)]
Extra refactoring noticed by Eli Friedman.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131405
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Zhongxing Xu [Mon, 16 May 2011 12:42:22 +0000 (12:42 +0000)]
Remove redundant template partial specilization.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131402
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Rafael Espindola [Mon, 16 May 2011 03:05:33 +0000 (03:05 +0000)]
Don't do tail calls in a function that call setjmp. The stack might be
corrupted when setjmp returns again.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131399
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Charles Davis [Sun, 15 May 2011 17:28:27 +0000 (17:28 +0000)]
Fix copy-pasto.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131384
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Charles Davis [Sun, 15 May 2011 17:20:01 +0000 (17:20 +0000)]
Add stub methods to MCStreamer for emitting Win64 exception-handling
information.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131382
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Charles Davis [Sun, 15 May 2011 17:09:26 +0000 (17:09 +0000)]
Get rid of extern "C" from the Win64 EH header.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131381
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Charles Davis [Sun, 15 May 2011 14:42:22 +0000 (14:42 +0000)]
Add a header containing definitions used to implement Win64 exception handling.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131380
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Nick Lewycky [Sun, 15 May 2011 07:20:34 +0000 (07:20 +0000)]
Declare this function here so that it doesn't get C++ mangling.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131379
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Benjamin Kramer [Sat, 14 May 2011 19:30:39 +0000 (19:30 +0000)]
Disable test harder.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131363
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Stuart Hastings [Sat, 14 May 2011 18:39:05 +0000 (18:39 +0000)]
Disable this test while I revise it. rdar://problem/
9267970
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131350
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Benjamin Kramer [Sat, 14 May 2011 15:57:25 +0000 (15:57 +0000)]
SimplifyCFG: Use ComputeMaskedBits to prune dead cases from switch instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131345
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Stuart Hastings [Sat, 14 May 2011 05:55:10 +0000 (05:55 +0000)]
Avoid combining GEPs that might overflow at runtime.
rdar://problem/
9267970
Patch by Julien Lerouge!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131339
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Eli Friedman [Sat, 14 May 2011 00:47:51 +0000 (00:47 +0000)]
Fix a FIXME by moving the fast-isel implementation of the objectsize intrinsic from the x86 code to the generic code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131332
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Rafael Espindola [Sat, 14 May 2011 00:30:01 +0000 (00:30 +0000)]
Don't produce a vmovntdq if we don't have AVX support.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131330
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Eli Friedman [Sat, 14 May 2011 00:19:32 +0000 (00:19 +0000)]
Zap useless code; this hasn't done anything useful since fast-isel switched to being bottom-up (a very long time ago).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131329
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John McCall [Fri, 13 May 2011 23:58:45 +0000 (23:58 +0000)]
Add an operator+= for appending StringRefs onto std::strings.
Previously this pattern would be compiled using an implicit conversion
to std::string.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131325
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Jim Grosbach [Fri, 13 May 2011 23:11:30 +0000 (23:11 +0000)]
Be a bit more permissive about symbols we don't understand. Just skip them
rather than throwing an error.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131322
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Dylan Noblesmith [Fri, 13 May 2011 22:02:53 +0000 (22:02 +0000)]
ExecutionEngine: move createJIT() definition (v2)
As an ExecutionEngine class function, its definition
really belongs in ExecutionEngine.cpp, not JIT.cpp.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131320
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Dylan Noblesmith [Fri, 13 May 2011 21:51:29 +0000 (21:51 +0000)]
ExecutionEngine: push TargetMachine creation into clients (v2)
In particular, into EngineBuilder. This should only impact
the private API between the EE and EB classes, not external
clients, since JITCtor and MCJITCtor are both protected members.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131317
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Dylan Noblesmith [Fri, 13 May 2011 21:36:16 +0000 (21:36 +0000)]
ExecutionEngine: fix JIT/MCJIT selectTarget() duplication (v2)
This prepares for making JITCtor/MCJITCtor take a
TargetMachine* directly from clients like EngineBuilder.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131316
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Rafael Espindola [Fri, 13 May 2011 21:35:17 +0000 (21:35 +0000)]
Move test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131315
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Rafael Espindola [Fri, 13 May 2011 21:33:32 +0000 (21:33 +0000)]
Move test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131314
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Jim Grosbach [Fri, 13 May 2011 20:12:14 +0000 (20:12 +0000)]
Teach the RtDyld to tell the memory manager about how much space a function
actually takes rather than how much memory was allocated for it. This
is more accurate and should help the manager pack things more effectively.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131305
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Galina Kistanova [Fri, 13 May 2011 19:45:05 +0000 (19:45 +0000)]
Move platform-dependent test to appropriate directory.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131302
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Rafael Espindola [Fri, 13 May 2011 15:18:06 +0000 (15:18 +0000)]
Make codegen able to handle values of empty types. This is one way
to fix PR9900. I will keep it open until sable is able to comment on it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131294
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Julien Lerouge [Fri, 13 May 2011 05:20:42 +0000 (05:20 +0000)]
Fix a source of non determinism in FindUsedTypes, use a SetVector instead of a
set.
rdar://
9423996
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131283
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Peter Collingbourne [Fri, 13 May 2011 03:27:56 +0000 (03:27 +0000)]
Re-add the autoconf rule for the docs/doxygen.cfg file.
For some reason this was not reverted when r103213 was.
At the same time, add an optional rule for clang's doxygen.cfg.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131279
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Andrew Trick [Fri, 13 May 2011 01:12:21 +0000 (01:12 +0000)]
Convert SimplifyIVUsers into a worklist instead of a single pass over
the users.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131277
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Stuart Hastings [Fri, 13 May 2011 00:51:54 +0000 (00:51 +0000)]
Since I can't reproduce the failures from 131261, re-trying with a
simplified version. <rdar://problem/
9298790>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131274
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Stuart Hastings [Fri, 13 May 2011 00:15:17 +0000 (00:15 +0000)]
Revert 131266 and 131261 due to buildbot complaints.
rdar://problem/
9298790
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131269
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Stuart Hastings [Fri, 13 May 2011 00:10:03 +0000 (00:10 +0000)]
Tweak 131261 (thumb2-cbnz.ll) to generate the intended cbnz.
rdar://problem/
9298790
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131266
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Stuart Hastings [Thu, 12 May 2011 23:36:41 +0000 (23:36 +0000)]
Non-fast-isel followup to 129634; correctly handle branches controlled
by non-CMP expressions. The executable test case (129821) would test
this as well, if we had an "-O0 -disable-arm-fast-isel" LLVM-GCC
tester. Alas, the ARM assembly would be very difficult to check with
FileCheck.
The thumb2-cbnz.ll test is affected; it generates larger code (tst.w
vs. cmp #0), but I believe the new version is correct.
rdar://problem/
9298790
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131261
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Evan Cheng [Thu, 12 May 2011 22:35:48 +0000 (22:35 +0000)]
Update comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131258
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Galina Kistanova [Thu, 12 May 2011 21:55:34 +0000 (21:55 +0000)]
Correction. Use explicit target triple in the test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131252
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Devang Patel [Thu, 12 May 2011 21:29:42 +0000 (21:29 +0000)]
Doug convinced me that DW_AT_APPLE_objc_complete_type is more appropriate name.
s/DW_AT_APPLE_objc_class_extension/DW_AT_APPLE_objc_complete_type/g
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131244
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Jim Grosbach [Thu, 12 May 2011 21:21:16 +0000 (21:21 +0000)]
MCJIT section loading should just skip non-text sections rather than
erroring out completely. Some modules produce sections that aren't referenced,
so it's friendlier to clients like LLDB to just skip them, at least for now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131243
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Evan Cheng [Thu, 12 May 2011 20:30:01 +0000 (20:30 +0000)]
Re-enable branchfolding common code hoisting optimization. Fixed a liveness test bug and also taught it to update liveins.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131241
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Devang Patel [Thu, 12 May 2011 19:06:16 +0000 (19:06 +0000)]
Let Objective-C front-end identify class extension, in dwarf output, using an attribute DW_AT_APPLE_objc_class_extension.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131238
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Evan Cheng [Thu, 12 May 2011 18:44:58 +0000 (18:44 +0000)]
Temporarily disable the transformation. It's breaking 186.crafty in some configuration.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131235
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Jim Grosbach [Thu, 12 May 2011 18:21:23 +0000 (18:21 +0000)]
The MCJIT memory manager needs to initialize its Module member.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131234
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Akira Hatanaka [Thu, 12 May 2011 17:42:08 +0000 (17:42 +0000)]
Fix setting of isCommutable flag.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131233
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Jason W Kim [Thu, 12 May 2011 17:38:08 +0000 (17:38 +0000)]
reverting test commit
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131232
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Jason W Kim [Thu, 12 May 2011 17:37:13 +0000 (17:37 +0000)]
Test commit from Mercurial
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131231
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Oscar Fuentes [Thu, 12 May 2011 11:26:21 +0000 (11:26 +0000)]
CMake builds gold by default since revision 127466. This is
inconsistent with autoconf, which by default set BINUTILS_INCDIR to
empty and exclude gold from target list.
Based on a patch by Haitao Li!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131229
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Evan Cheng [Thu, 12 May 2011 00:56:58 +0000 (00:56 +0000)]
Re-commit 131172 with fix. MachineInstr identity checks should check dead
markers. In some cases a register def is dead on one path, but not on
another.
This is passing Clang self-hosting.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131214
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Andrew Trick [Thu, 12 May 2011 00:04:28 +0000 (00:04 +0000)]
indvars: Added SimplifyIVUsers.
Interleave IV simplifications. Currently involves EliminateComparison
and EliminateRemainder. Next I'll add EliminateExtend.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131210
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Matt Beaumont-Gay [Wed, 11 May 2011 23:34:51 +0000 (23:34 +0000)]
Remove an unused variable and move a couple others inside DEBUG.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131208
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Jason W Kim [Wed, 11 May 2011 22:53:06 +0000 (22:53 +0000)]
Address the last bit of relocation flag related divergence betweeen
LLVM and binutils.
With this patch, there are no functional differences between the .o
produced directly from LLVM versus the .s to .o via GNU as, for relocation tags
at least, for both PIC and non-PIC modes.
Because some non-PIC reloc tags are used (legally) on PIC, so IsPCRel flag is
necessary but not sufficient to determine whether the overall codegen mode is
PIC or not. Why is this necessary? There is an incompatibility of how relocs
are emitted in the .rodata section. Binutils PIC likes to emit certain relocs
as section relative offsets. Non-PIC does not do this.
So I added a hidden switch on the ELFObjectwriter "-arm-elf-force-pic" which
forces the objectwriter to pretend that all relocs are for PIC mode.
Todo: Activate ForceARMElfPIC to true if -relocation-model=pic is selected
on llc.
Todo: There are probably more issues for PIC mode on ARM/MC/ELF...
Todo: Existing tests in MC/ARM/elf-reloc*.ll need to be converted over to .s
tests as well as expanded to cover the gamut.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131205
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Eric Christopher [Wed, 11 May 2011 21:44:58 +0000 (21:44 +0000)]
Turn this into a table, this will make more sense shortly.
Part of rdar://
8470697
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131200
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Stuart Hastings [Wed, 11 May 2011 19:41:28 +0000 (19:41 +0000)]
Move this test to CodeGen/Thumb. rdar://problem/
9416774
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131196
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Devang Patel [Wed, 11 May 2011 19:22:19 +0000 (19:22 +0000)]
Identify end of prologue (and beginning of function body) using DW_LNS_set_prologue_end line table opcode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131194
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Jakob Stoklund Olesen [Wed, 11 May 2011 18:25:10 +0000 (18:25 +0000)]
Avoid hoisting spills when looking at a copy from another register that is also
about to be spilled.
This can only happen when two extra snippet registers are included in the spill,
and there is a copy between them. Hoisting the spill creates problems because
the hoist will mark the copy for later dead code elimination, and spilling the
second register will turn the copy into a spill.
<rdar://problem/
9420853>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131192
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Stuart Hastings [Wed, 11 May 2011 17:29:25 +0000 (17:29 +0000)]
Reduced test case. rdar://problem/
9416774
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131191
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Owen Anderson [Wed, 11 May 2011 17:00:48 +0000 (17:00 +0000)]
Fix encoding of Thumb BLX register instructions. Patch by Koan-Sin Tan.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131189
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Andrew Trick [Wed, 11 May 2011 16:44:08 +0000 (16:44 +0000)]
Typo and missing checkin from r131186.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131187
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Andrew Trick [Wed, 11 May 2011 16:31:24 +0000 (16:31 +0000)]
Bugpoint support for miscompilations that result in a crash.
This change allows bugpoint to pinpoint the "opt" pass and bitcode
segment responsible for a crash caused by miscompilation. At least it
works well for me now, without having to create any custom execution
wrappers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131186
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Stuart Hastings [Wed, 11 May 2011 16:00:21 +0000 (16:00 +0000)]
And lo, I was given a testcase for 131152. rdar://problem/
9416774
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131184
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Nadav Rotem [Wed, 11 May 2011 14:40:50 +0000 (14:40 +0000)]
Fixes a bug in the DAGCombiner. LoadSDNodes have two values (data, chain).
If there is a store after the load node, then there is a chain, which means
that there is another user. Thus, asking hasOneUser would fail. Instead we
ask hasNUsesOfValue on the 'data' value.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131183
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Oscar Fuentes [Wed, 11 May 2011 13:53:08 +0000 (13:53 +0000)]
Handle gcc-compatible compilers (such as clang) the same way we handle
gcc.
Fixes PR9886.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131181
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Nadav Rotem [Wed, 11 May 2011 08:12:09 +0000 (08:12 +0000)]
Add custom lowering of X86 vector SRA/SRL/SHL when the shift amount is a splat vector.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131179
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Rafael Espindola [Wed, 11 May 2011 03:27:17 +0000 (03:27 +0000)]
Revert 131172 as it is causing clang to miscompile itself. I will try
to provide a reduced testcase.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131176
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Bill Wendling [Wed, 11 May 2011 01:11:55 +0000 (01:11 +0000)]
Give the 'eh.sjlj.dispatchsetup' intrinsic call the value coming from the setjmp
intrinsic call. This prevents it from being reordered so that it appears
*before* the setjmp intrinsic (thus making it completely useless).
<rdar://problem/
9409683>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131174
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Bill Wendling [Wed, 11 May 2011 01:08:39 +0000 (01:08 +0000)]
Fix comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131173
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Evan Cheng [Wed, 11 May 2011 01:03:01 +0000 (01:03 +0000)]
Add a late optimization to BranchFolding that hoist common instruction sequences
at the start of basic blocks to their common predecessor. It's actually quite
common (e.g. about 50 times in JM/lencod) and has shown to be a nice code size
benefit. e.g.
pushq %rax
testl %edi, %edi
jne LBB0_2
## BB#1:
xorb %al, %al
popq %rdx
ret
LBB0_2:
xorb %al, %al
callq _foo
popq %rdx
ret
=>
pushq %rax
xorb %al, %al
testl %edi, %edi
je LBB0_2
## BB#1:
callq _foo
LBB0_2:
popq %rdx
ret
rdar://
9145558
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131172
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Eric Christopher [Tue, 10 May 2011 23:57:45 +0000 (23:57 +0000)]
Optimize atomic lock or that doesn't use the result value.
Next up: xor and and.
Part of rdar://
8470697
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131171
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Rafael Espindola [Tue, 10 May 2011 23:14:29 +0000 (23:14 +0000)]
Add triple.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131169
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Rafael Espindola [Tue, 10 May 2011 22:42:41 +0000 (22:42 +0000)]
Fix cmake again.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131164
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Nick Lewycky [Tue, 10 May 2011 22:38:17 +0000 (22:38 +0000)]
Remove empty file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131162
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Rafael Espindola [Tue, 10 May 2011 22:28:35 +0000 (22:28 +0000)]
Avoid a gcc warning.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131161
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Rafael Espindola [Tue, 10 May 2011 22:19:33 +0000 (22:19 +0000)]
Fix cmake build.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131160
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Nick Lewycky [Tue, 10 May 2011 22:16:06 +0000 (22:16 +0000)]
Revert r131155 for now. It makes VMCore depend on Analysis and Transforms
headers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131159
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Rafael Espindola [Tue, 10 May 2011 21:54:59 +0000 (21:54 +0000)]
Initialize moveTypeModule.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131157
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Eli Friedman [Tue, 10 May 2011 21:50:58 +0000 (21:50 +0000)]
Disable my little CopyToReg argument hack with fast-isel. rdar://problem/
9413587 .
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131156
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David Chisnall [Tue, 10 May 2011 21:36:48 +0000 (21:36 +0000)]
Add support for plugins add passes to the default set of passes. The standard set of passes used by front ends can now be modified by LLVM plugins, without needing to modify any front ends.
Still to do:
- Allow replacing / removing passes (infrastructure there, just needs an infrastructure exposed)
- Defining sets of passes to be added or removed as a group
- Extending the support to allow user-defined groups of optimisations
- Allow plugins to be specified for loading automatically (e.g. from plugins.conf or some similar mechanism)
Reviewed by Nick Lewycky.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131155
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Stuart Hastings [Tue, 10 May 2011 21:20:03 +0000 (21:20 +0000)]
Correctly walk through nested and adjacent CALLSEQ_START nodes. No
test case; I've only seen this on a release branch, and I can't get it
to reproduce on trunk. rdar://problem/
7662569
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131152
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Rafael Espindola [Tue, 10 May 2011 21:04:45 +0000 (21:04 +0000)]
Produce a __debug_frame section on darwin ARM when appropriate.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131151
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Rafael Espindola [Tue, 10 May 2011 20:59:42 +0000 (20:59 +0000)]
On MachO, unlike ELF, there should be no relocation to produce the CIE pointer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131149
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