Nick Lewycky [Tue, 25 Sep 2012 21:15:50 +0000 (21:15 +0000)]
Don't try to promote the same alloca twice. Fixes PR13916!
Chandler, it's not obvious that it's okay that this alloca gets into the list
twice to begin with. Please review and see whether this is the fix you really
want, but I wanted to get a fix checked in quickly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164634
91177308-0d34-0410-b5e6-
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Sebastian Pop [Tue, 25 Sep 2012 21:15:08 +0000 (21:15 +0000)]
Add --program-prefix support to build
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164633
91177308-0d34-0410-b5e6-
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Bill Wendling [Tue, 25 Sep 2012 20:57:48 +0000 (20:57 +0000)]
Move remaining methods inside the Attributes class. Merge the 'Attribute' namespaces.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164631
91177308-0d34-0410-b5e6-
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Sean Silva [Tue, 25 Sep 2012 20:52:04 +0000 (20:52 +0000)]
docs: Sphinxify HowToSubmitABug
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164630
91177308-0d34-0410-b5e6-
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Bill Wendling [Tue, 25 Sep 2012 20:38:59 +0000 (20:38 +0000)]
Move Attribute::typeIncompatible inside of the Attributes class.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164629
91177308-0d34-0410-b5e6-
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Sebastian Pop [Tue, 25 Sep 2012 20:35:36 +0000 (20:35 +0000)]
TargetLowering interface to set/get minimum block entries for jump tables.
Provide interface in TargetLowering to set or get the minimum number of basic
blocks whereby jump tables are generated for switch statements rather than an
if sequence.
getMinimumJumpTableEntries() defaults to 4.
setMinimumJumpTableEntries() allows target configuration.
This patch changes the default for the Hexagon architecture to 5
as it improves performance on some benchmarks.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164628
91177308-0d34-0410-b5e6-
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Chad Rosier [Tue, 25 Sep 2012 19:57:20 +0000 (19:57 +0000)]
Revert r164614 to appease the buildbots.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164627
91177308-0d34-0410-b5e6-
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Nick Lewycky [Tue, 25 Sep 2012 18:17:38 +0000 (18:17 +0000)]
Make this test check the transforms it's actually doing. Also add a test that it
doesn't transform the trivially unsafe case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164617
91177308-0d34-0410-b5e6-
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Michael Liao [Tue, 25 Sep 2012 18:08:13 +0000 (18:08 +0000)]
Add missing i64 max/min/umax/umin on 32-bit target
- Turn on atomic6432.ll and add specific test case as well
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164616
91177308-0d34-0410-b5e6-
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Jim Grosbach [Tue, 25 Sep 2012 18:07:17 +0000 (18:07 +0000)]
ARM: Darwin BL/BLX relocations to out-of-range symbols.
When a BL/BLX references a symbol in the same translation unit that is
out of range, use an external relocation. The linker will use this to
generate a branch island rather than a direct reference, allowing the
relocation to resolve correctly.
rdar://
12359919
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164615
91177308-0d34-0410-b5e6-
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Michael Ilseman [Tue, 25 Sep 2012 17:56:47 +0000 (17:56 +0000)]
Expansions for u/srem, using the udiv expansion. More unit tests for udiv and u/srem.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164614
91177308-0d34-0410-b5e6-
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Bob Wilson [Tue, 25 Sep 2012 17:19:29 +0000 (17:19 +0000)]
Consistently specify the assembly variant to MatchInstructionImpl.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164611
91177308-0d34-0410-b5e6-
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Chandler Carruth [Tue, 25 Sep 2012 10:03:40 +0000 (10:03 +0000)]
Fix a case where SROA did not correctly detect dead PHI or selects due
to chains or cycles between PHIs and/or selects. Also add a couple of
really nice test cases reduced from Kostya's reports in PR13905 and
PR13906. Both are fixed by this patch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164596
91177308-0d34-0410-b5e6-
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Duncan Sands [Tue, 25 Sep 2012 10:00:49 +0000 (10:00 +0000)]
Change the way the lint sanity checking pass detects misaligned memory accesses.
Previously it was only be able to detect problems if the pointer was a numerical
value (eg inttoptr i32 1 to i32*), but not if it was an alloca or globa. The
reason was the use of ComputeMaskedBits: imagine you have "alloca i8, align 2",
and ask ComputeMaskedBits what it knows about the bits of the alloca pointer.
It can tell you that the bottom bit is known zero (due to align 2) but it can't
tell you that bit 1 is known one. That's because the address could be an even
multiple of 2 rather than an odd multiple, eg it might be a multiple of 4. Thus
trying to use KnownOne is ineffective in the case of an alloca as it will never
have any bits set. Instead look explicitly for constant offsets from allocas
and globals.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164595
91177308-0d34-0410-b5e6-
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Evan Cheng [Tue, 25 Sep 2012 05:32:34 +0000 (05:32 +0000)]
Fix an illegal tailcall opt where the callee returns a double via xmm while caller returns x86_fp80 via st0. rdar://
12229511
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164588
91177308-0d34-0410-b5e6-
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Nico Weber [Tue, 25 Sep 2012 05:24:16 +0000 (05:24 +0000)]
Fix a -Wparentheses warning in the mingw build
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164587
91177308-0d34-0410-b5e6-
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Chandler Carruth [Tue, 25 Sep 2012 02:42:03 +0000 (02:42 +0000)]
Fix a crash in SROA. This was reported independently by Takumi and
David (I think), but I would appreciate folks verifying that this fixes
the big crasher.
I'm still working on a reduced test case, but because this was causing
problems I wanted to get the fix checked in quickly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164585
91177308-0d34-0410-b5e6-
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Nick Lewycky [Tue, 25 Sep 2012 01:55:59 +0000 (01:55 +0000)]
Don't forget that strcpy and friends return a pointer to the destination, so
it's not a dead store if that pointer is used. Whoops!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164583
91177308-0d34-0410-b5e6-
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Michael Ilseman [Tue, 25 Sep 2012 01:33:33 +0000 (01:33 +0000)]
Unit tests for IntegerDivision. Currently, just a basic sanity check to ensure that the code was generated properly. Future work would be finding some way to test the actual result that would be computed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164582
91177308-0d34-0410-b5e6-
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Jim Grosbach [Tue, 25 Sep 2012 00:08:13 +0000 (00:08 +0000)]
ARM: 'add Rd, pc, #imm' is an alias for 'adr Rd, #imm'.
rdar://
9795790
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164577
91177308-0d34-0410-b5e6-
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Nick Lewycky [Mon, 24 Sep 2012 23:47:23 +0000 (23:47 +0000)]
Remove unused name of variable to quiet a warning. Also canonicalize a
declaration to use the same form as in the rest of the file. No functionality
change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164576
91177308-0d34-0410-b5e6-
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Jim Grosbach [Mon, 24 Sep 2012 23:06:27 +0000 (23:06 +0000)]
Mark jump tables in code sections with DataRegion directives.
Even out-of-line jump tables can be in the code section, so mark them
as data-regions for those targets which support the directives.
rdar://
12362871&
12362974
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164571
91177308-0d34-0410-b5e6-
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Chad Rosier [Mon, 24 Sep 2012 23:04:25 +0000 (23:04 +0000)]
Typo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164570
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Chad Rosier [Mon, 24 Sep 2012 22:57:55 +0000 (22:57 +0000)]
Rather then have a wrapper function, have tblgen instantiate the implementation.
Also remove an unused argument.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164567
91177308-0d34-0410-b5e6-
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Bob Wilson [Mon, 24 Sep 2012 22:51:19 +0000 (22:51 +0000)]
Clear UNIVERSAL_SDK_PATH setting when building host tools. <rdar://
12360497>
I also moved the SDKROOT setting into the make flags, since clearing it from
the environment isn't good enough to override a setting on the make command
line. That hasn't been a problem but it could be, and it's good to be
consistent with the way UNIVERSAL_SDK_PATH is handled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164565
91177308-0d34-0410-b5e6-
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Nick Lewycky [Mon, 24 Sep 2012 22:09:10 +0000 (22:09 +0000)]
Teach DSE that strcpy, strncpy, strcat and strncat are all stores which may be
dead.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164561
91177308-0d34-0410-b5e6-
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Nick Lewycky [Mon, 24 Sep 2012 22:07:09 +0000 (22:07 +0000)]
Move all the calls to AA.getTargetLibraryInfo() to using a TLI member variable.
No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164560
91177308-0d34-0410-b5e6-
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Roman Divacky [Mon, 24 Sep 2012 20:47:19 +0000 (20:47 +0000)]
Specify MachinePointerInfo as refering to the argument value and offset of the
store when handling byval arguments. Thus preventing reordering of the store
with load with post-RA scheduler.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164553
91177308-0d34-0410-b5e6-
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Chad Rosier [Mon, 24 Sep 2012 19:32:29 +0000 (19:32 +0000)]
Rather then have a wrapper function, have tblgen instantiate the implementation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164548
91177308-0d34-0410-b5e6-
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Richard Osborne [Mon, 24 Sep 2012 17:22:43 +0000 (17:22 +0000)]
Add missing : in CHECK line.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164540
91177308-0d34-0410-b5e6-
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Richard Osborne [Mon, 24 Sep 2012 17:10:03 +0000 (17:10 +0000)]
Add missing check for presence of target data.
This avoids a crash in visitAllocaInst when target data isn't available.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164539
91177308-0d34-0410-b5e6-
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Chandler Carruth [Mon, 24 Sep 2012 01:10:25 +0000 (01:10 +0000)]
Enable the new SROA pass by default.
Queue the fallout. ;]
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164480
91177308-0d34-0410-b5e6-
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Chandler Carruth [Mon, 24 Sep 2012 00:34:20 +0000 (00:34 +0000)]
Address one of the original FIXMEs for the new SROA pass by implementing
integer promotion analogous to vector promotion. When there is an
integer alloca being accessed both as its integer type and as a narrower
integer type, promote the narrower access to "insert" and "extract" the
smaller integer from the larger one, and make the integer alloca
a candidate for promotion.
In the new formulation, we don't care about target legal integer or use
thresholds to control things. Instead, we only perform this promotion to
an integer type which the frontend has already emitted a load or store
for. This bounds the scope and prevents optimization passes from
coalescing larger and larger entities into a single integer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164479
91177308-0d34-0410-b5e6-
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Anton Korobeynikov [Sun, 23 Sep 2012 15:53:47 +0000 (15:53 +0000)]
Emit dtors into proper section while compiling in vcpp-compatible mode.
Patch by Kai!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164476
91177308-0d34-0410-b5e6-
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Chandler Carruth [Sun, 23 Sep 2012 11:43:14 +0000 (11:43 +0000)]
Switch to a signed representation for the dynamic offsets while walking
across the uses of the alloca. It's entirely possible for negative
numbers to come up here, and in some rare cases simply doing the 2's
complement arithmetic isn't the correct decision. Notably, we can't zext
the index of the GEP. The definition of GEP is that these offsets are
sign extended or truncated to the size of the pointer, and then wrapping
2's complement arithmetic used.
This patch fixes an issue that comes up with *no* input from the
buildbots or bootstrap afaict. The only place where it manifested,
disturbingly, is Clang's own regression test suite. A reduced and
targeted collection of tests are added to cope with this. Note that I've
tried to pin down the potential cases of overflow, but may have missed
some cases. I've tried to add a few cases to test this, but its hard
because LLVM has quite limited support for >64bit constructs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164475
91177308-0d34-0410-b5e6-
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Nick Lewycky [Sun, 23 Sep 2012 03:58:21 +0000 (03:58 +0000)]
Don't do actual work inside an assert statement. Fixes PR11760!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164474
91177308-0d34-0410-b5e6-
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Michael Liao [Sun, 23 Sep 2012 02:41:47 +0000 (02:41 +0000)]
Revise test to avoid using of 'grep'
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164472
91177308-0d34-0410-b5e6-
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Craig Topper [Sun, 23 Sep 2012 02:12:10 +0000 (02:12 +0000)]
Add LLVM_OVERRIDE to methods that override their base classes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164471
91177308-0d34-0410-b5e6-
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Michael Liao [Sat, 22 Sep 2012 21:07:59 +0000 (21:07 +0000)]
Enhance test case of atomic16 to verify inst encoding fixed in r164453.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164465
91177308-0d34-0410-b5e6-
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NAKAMURA Takumi [Sat, 22 Sep 2012 13:12:28 +0000 (13:12 +0000)]
ARMInstPrinter.cpp: Fix a warning in -Asserts. [-Wunused-variable]
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164459
91177308-0d34-0410-b5e6-
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NAKAMURA Takumi [Sat, 22 Sep 2012 13:12:22 +0000 (13:12 +0000)]
Whitespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164458
91177308-0d34-0410-b5e6-
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Tim Northover [Sat, 22 Sep 2012 11:18:19 +0000 (11:18 +0000)]
Fix edge cases of ARM shift operands in arith instructions.
As before with load instructions, oddities like "asr #32", "rrx" could
be printed incorrectly.
Patch by Chris Lidbury.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164456
91177308-0d34-0410-b5e6-
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Tim Northover [Sat, 22 Sep 2012 11:18:12 +0000 (11:18 +0000)]
Fix the handling of edge cases in ARM shifted operands.
This patch fixes load/store instructions to handle less common cases
like "asr #32", "rrx" properly throughout the MC layer.
Patch by Chris Lidbury.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164455
91177308-0d34-0410-b5e6-
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Michael Liao [Sat, 22 Sep 2012 05:41:15 +0000 (05:41 +0000)]
Fix 16-bit atomic inst encoding and keep pseudo-inst starting with '#'
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164453
91177308-0d34-0410-b5e6-
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Michael Liao [Sat, 22 Sep 2012 03:39:42 +0000 (03:39 +0000)]
Fix typo in r164357
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164452
91177308-0d34-0410-b5e6-
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Andrew Trick [Sat, 22 Sep 2012 02:24:21 +0000 (02:24 +0000)]
Machine Model (-schedmodel only). Added SchedAliases.
Allow subtargets to tie SchedReadWrite types to processor specific
sequences or variants.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164451
91177308-0d34-0410-b5e6-
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Jordan Rose [Sat, 22 Sep 2012 01:24:21 +0000 (01:24 +0000)]
Add llvm::getOrdinalSuffix to get the appropriate -st, -nd, -rd, -th suffix.
Used by clang to print parameter indexes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164440
91177308-0d34-0410-b5e6-
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Jordan Rose [Sat, 22 Sep 2012 01:24:18 +0000 (01:24 +0000)]
Casting: assert that pointer arguments to isa<> are non-null.
This silences several analyzer warnings within LLVM, and provides a slightly
nicer crash experience when someone calls isa<>, cast<>, or dyn_cast<> with
a null pointer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164439
91177308-0d34-0410-b5e6-
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Jordan Rose [Sat, 22 Sep 2012 01:24:16 +0000 (01:24 +0000)]
DenseMap: assert that we have found a bucket before we try to insert into it.
This silences literally dozens of analyzer warnings on LLVM (since DenseMap
is such a commonly-used class).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164438
91177308-0d34-0410-b5e6-
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Akira Hatanaka [Sat, 22 Sep 2012 00:07:12 +0000 (00:07 +0000)]
MIPS DSP: Add immediate leaves.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164435
91177308-0d34-0410-b5e6-
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Akira Hatanaka [Sat, 22 Sep 2012 00:06:06 +0000 (00:06 +0000)]
MIPS DSP: Add predicates and instruction template.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164434
91177308-0d34-0410-b5e6-
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Akira Hatanaka [Fri, 21 Sep 2012 23:58:31 +0000 (23:58 +0000)]
Add MIPS DSP register classes. Set actions of DSP vector operations and override
TargetLowering's callback functions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164431
91177308-0d34-0410-b5e6-
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Akira Hatanaka [Fri, 21 Sep 2012 23:52:47 +0000 (23:52 +0000)]
SelectionDAG node enums for MIPS DSP nodes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164430
91177308-0d34-0410-b5e6-
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Akira Hatanaka [Fri, 21 Sep 2012 23:48:37 +0000 (23:48 +0000)]
Add MIPS accumulator and DSP control registers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164429
91177308-0d34-0410-b5e6-
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Akira Hatanaka [Fri, 21 Sep 2012 23:41:49 +0000 (23:41 +0000)]
Add flags and feature bits for mips dsp.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164428
91177308-0d34-0410-b5e6-
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Chandler Carruth [Fri, 21 Sep 2012 23:36:40 +0000 (23:36 +0000)]
Fix a case where the new SROA pass failed to zap dead operands to
selects with a constant condition. This resulted in the operands
remaining live through the SROA rewriter. Most of the time, this just
caused some dead allocas to persist and get zapped by later passes, but
in one case found by Joerg, it caused a crash when we tried to *promote*
the alloca despite it having this dead use. We already have the
mechanisms in place to handle this, just wire select up to them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164427
91177308-0d34-0410-b5e6-
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Eric Christopher [Fri, 21 Sep 2012 23:03:29 +0000 (23:03 +0000)]
Add an --enable-backtraces option to configure to determine
whether or not we want to print out backtrace information. Useful
for libraries that don't need backtrace information on a crash.
rdar://
11844710
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164426
91177308-0d34-0410-b5e6-
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Dan Gohman [Fri, 21 Sep 2012 23:00:37 +0000 (23:00 +0000)]
Add an MDBuilder utility for creating !tbaa.struct nodes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164425
91177308-0d34-0410-b5e6-
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Michael J. Spencer [Fri, 21 Sep 2012 22:49:06 +0000 (22:49 +0000)]
[CMake] Respect LLVM_BUILD_RUNTIME.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164424
91177308-0d34-0410-b5e6-
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Chad Rosier [Fri, 21 Sep 2012 22:21:26 +0000 (22:21 +0000)]
[ms-inline asm] Expose the mnemonicIsValid() function in the AsmParser.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164420
91177308-0d34-0410-b5e6-
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Eric Christopher [Fri, 21 Sep 2012 22:18:52 +0000 (22:18 +0000)]
Have the DbgVariable "isArtificial" and "isObjectPointer" not
care about it being an argument variable so that we can decide
that captured block and lambda vars that don't happen to
be arguments could be an argument pointer.
Add the object pointer for one case onto the subprogram die.
rdar://
12001329
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164419
91177308-0d34-0410-b5e6-
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Chad Rosier [Fri, 21 Sep 2012 21:08:46 +0000 (21:08 +0000)]
Add comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164415
91177308-0d34-0410-b5e6-
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Chad Rosier [Fri, 21 Sep 2012 20:51:43 +0000 (20:51 +0000)]
Add comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164414
91177308-0d34-0410-b5e6-
96231b3b80d8
Evan Cheng [Fri, 21 Sep 2012 20:04:28 +0000 (20:04 +0000)]
Fix a significant recent(?) regression. StackSlotColoring no longer did anything
because LiveStackAnalysis was not preserved by VirtRegWriter. This caused
big stack usage regression in some cases.
rdar://
12340383
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164408
91177308-0d34-0410-b5e6-
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Sean Silva [Fri, 21 Sep 2012 19:48:16 +0000 (19:48 +0000)]
docs: Fix long-standing typo in yaml2obj.rst.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164407
91177308-0d34-0410-b5e6-
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Chad Rosier [Fri, 21 Sep 2012 19:25:59 +0000 (19:25 +0000)]
Whitespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164406
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Dan Gohman [Fri, 21 Sep 2012 18:41:30 +0000 (18:41 +0000)]
Say "bytes" instead of "address units", since that's what the
rest of LangRef uses.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164402
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Dan Gohman [Fri, 21 Sep 2012 18:21:48 +0000 (18:21 +0000)]
Document the new !tbaa.struct metadata.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164398
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David Blaikie [Fri, 21 Sep 2012 18:03:02 +0000 (18:03 +0000)]
Add missing 'to' and rephrase an explanation of GCC's assumptions.
Wordsmithing by Matt Beaumont-Gay in response to r164389.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164395
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David Blaikie [Fri, 21 Sep 2012 17:47:36 +0000 (17:47 +0000)]
Document "do not use defaults in covered switch-over-enum" coding standard.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164389
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Benjamin Kramer [Fri, 21 Sep 2012 17:27:23 +0000 (17:27 +0000)]
LoopIdiom: Give up when the loop is not in canonical form.
We rely on it when doing the transforms. This can happen when there is an
indirectbr in the loop.
Fixes PR13892.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164383
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Chad Rosier [Fri, 21 Sep 2012 16:58:35 +0000 (16:58 +0000)]
[fast-isel] Fallback to SelectionDAG isel if we require strict alignment for
non-aligned i32 loads/stores.
rdar://
12304911
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164381
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Benjamin Kramer [Fri, 21 Sep 2012 16:26:41 +0000 (16:26 +0000)]
InstCombine: Make sure we use the pre-zext type when creating a constant of a value that is zext'd.
Fixes PR13250.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164377
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Bill Wendling [Fri, 21 Sep 2012 16:07:28 +0000 (16:07 +0000)]
Encapsulate the "construct*AlignmentFromInt" functions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164373
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Michael Liao [Fri, 21 Sep 2012 16:03:03 +0000 (16:03 +0000)]
Fix a typo in r164357
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164372
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Dmitri Gribenko [Fri, 21 Sep 2012 15:26:34 +0000 (15:26 +0000)]
Clarify comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164371
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Bill Wendling [Fri, 21 Sep 2012 15:26:31 +0000 (15:26 +0000)]
Make the 'get*AlignmentFromAttr' functions into member functions within the Attributes class. Now with fix.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164370
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Benjamin Kramer [Fri, 21 Sep 2012 14:34:31 +0000 (14:34 +0000)]
BitcodeReader: Correctly insert blockaddress constant referring to a already parsed function.
We inserted a placeholder that was never replaced because the function was
already visited. Assert that all placeholders have been resolved when tearing
down the bitcode reader.
Fixes PR13895.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164369
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Alexey Samsonov [Fri, 21 Sep 2012 07:08:08 +0000 (07:08 +0000)]
Fix SymbolRef::getAddress implementation for ELF. The 'value' field in symbol table entry should be treated differently for relocatable and relocated files. This patch fixes symbol addresses printed by llvm-nm for executables and shared objects.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164365
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NAKAMURA Takumi [Fri, 21 Sep 2012 05:19:19 +0000 (05:19 +0000)]
llvm/test/CodeGen/X86/pr5145.ll: Tweak expressions to match for darwin target.
.LBB0_1: # Linux
LBB0_1: # Darwin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164362
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Andrew Trick [Fri, 21 Sep 2012 05:06:40 +0000 (05:06 +0000)]
Cortex-A9 latency fixes (w/ -schedmodel only).
Quick review against the manual revealed a few obvious mistakes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164361
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Michael Liao [Fri, 21 Sep 2012 03:18:52 +0000 (03:18 +0000)]
Add missing i8 max/min/umax/umin support
- Fix PR5145 and turn on test 8-bit atomic ops
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164358
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Michael Liao [Fri, 21 Sep 2012 03:00:17 +0000 (03:00 +0000)]
Revise td of X86 atomic instructions
- Rewirte most atomic instructions in templates for both better
maintenance and future extensions, such as HLE in TSX.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164357
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Sean Silva [Fri, 21 Sep 2012 02:46:32 +0000 (02:46 +0000)]
docs: Fix Sphinx warning over Atomics.rst.
Atomics.rst was not linked into the toctree.
Docs now build warning-free!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164356
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Sean Silva [Fri, 21 Sep 2012 02:46:30 +0000 (02:46 +0000)]
docs: Fix Sphinx warning over yaml2obj.rst.
yaml2obj.rst was not included in the toctree
Input from Michael Spencer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164355
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NAKAMURA Takumi [Fri, 21 Sep 2012 02:21:30 +0000 (02:21 +0000)]
Mips16FrameLowering.cpp: Remove unused TII introduced in r164349. [-Wunused-variable]
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164354
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NAKAMURA Takumi [Fri, 21 Sep 2012 01:15:05 +0000 (01:15 +0000)]
llvm/test/CodeGen/ARM/fast-isel.ll: Fix possible typos, s/@unaligned_i16_store/@unaligned_i16_load/g.
I guess this had apparently passed in +Asserts possibly due to verborsity.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164350
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Akira Hatanaka [Fri, 21 Sep 2012 01:08:16 +0000 (01:08 +0000)]
Properly save and restore RA and Mips16 callee save registers S0,S1
Patch by Reed Kotler.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164349
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Chad Rosier [Fri, 21 Sep 2012 00:47:08 +0000 (00:47 +0000)]
Testcase does not need to be this strict.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164347
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Chad Rosier [Fri, 21 Sep 2012 00:43:18 +0000 (00:43 +0000)]
Add newline.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164346
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Chad Rosier [Fri, 21 Sep 2012 00:41:42 +0000 (00:41 +0000)]
[fast-isel] Fallback to SelectionDAG isel if we require strict alignment for
non-halfword-aligned i16 loads/stores.
rdar://
12304911
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164345
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Jim Grosbach [Fri, 21 Sep 2012 00:36:42 +0000 (00:36 +0000)]
Tidy up. Whitespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164344
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Jim Grosbach [Fri, 21 Sep 2012 00:26:53 +0000 (00:26 +0000)]
Tidy up. Formatting.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164343
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Jim Grosbach [Fri, 21 Sep 2012 00:18:20 +0000 (00:18 +0000)]
ARM: Use a dedicated intrinsic for vector bitwise select.
The expression based expansion too often results in IR level optimizations
splitting the intermediate values into separate basic blocks, preventing
the formation of the VBSL instruction as the code author intended. In
particular, LICM would often hoist part of the computation out of a loop.
rdar://
11011471
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164340
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Jakob Stoklund Olesen [Thu, 20 Sep 2012 23:08:42 +0000 (23:08 +0000)]
Ignore PHI-defs for -new-coalescer interference checks.
A PHI can't create interference on its own. If two live ranges interfere
at a PHI, they must also interfere when leaving one of the PHI
predecessors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164330
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Jakob Stoklund Olesen [Thu, 20 Sep 2012 23:08:39 +0000 (23:08 +0000)]
Extend -new-coalescer SSA update to handle mapped values as well.
The old-fashioned many-to-one value mapping doesn't always work when
merging vector lanes. A value can map to multiple different values, and
it can even be necessary to insert new PHIs.
When a value number is defined by a copy from a value number that
required SSa update, include the live range of the copied value number
in the SSA update as well. It is not necessarily a copy of the original
value number any longer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164329
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Eric Christopher [Thu, 20 Sep 2012 22:51:57 +0000 (22:51 +0000)]
Only emit DW_AT_object_pointer if this is a definition.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164326
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Manman Ren [Thu, 20 Sep 2012 22:37:36 +0000 (22:37 +0000)]
SimplifyCFG: sink common codes from IF, ELSE blocks down to END block.
We already have HoistThenElseCodeToIf, this patch implements
SinkThenElseCodeToEnd. When END block has only two predecessors and each
predecessor terminates with unconditional branches, we compare instructions in
IF and ELSE blocks backwards and check whether we can sink the common
instructions down.
rdar://
12191395
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164325
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Evan Cheng [Thu, 20 Sep 2012 21:35:21 +0000 (21:35 +0000)]
Try to make these tests more portable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164320
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Benjamin Kramer [Thu, 20 Sep 2012 19:54:13 +0000 (19:54 +0000)]
Fix broken check lines.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164317
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