John McCall [Wed, 15 Jun 2011 21:43:52 +0000 (21:43 +0000)]
Update the Clang diagnostic emitter to emit IDs for diagnostic categories.
Patch by Argyrios Kyrtzidis.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133093
91177308-0d34-0410-b5e6-
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Rafael Espindola [Wed, 15 Jun 2011 21:18:51 +0000 (21:18 +0000)]
Testcase for previous commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133089
91177308-0d34-0410-b5e6-
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Eli Friedman [Wed, 15 Jun 2011 21:08:25 +0000 (21:08 +0000)]
Simplify; no significant functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133086
91177308-0d34-0410-b5e6-
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Rafael Espindola [Wed, 15 Jun 2011 21:03:04 +0000 (21:03 +0000)]
Fix cmake build.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133085
91177308-0d34-0410-b5e6-
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Rafael Espindola [Wed, 15 Jun 2011 21:00:28 +0000 (21:00 +0000)]
Handle jump tables. Test to follow soon.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133083
91177308-0d34-0410-b5e6-
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Argyrios Kyrtzidis [Wed, 15 Jun 2011 20:39:05 +0000 (20:39 +0000)]
Try fixing google1.osuosl.org:8011/builders/clang-i686-freebsd/builds/3548
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133081
91177308-0d34-0410-b5e6-
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John McCall [Wed, 15 Jun 2011 20:36:13 +0000 (20:36 +0000)]
Add a new function attribute, nonlazybind, which inhibits lazy-loading
optimizations when emitting calls to the function; instead those calls may
use faster relocations which require the function to be immediately resolved
upon loading the dynamic object featuring the call. This is useful when it
is known that the function will be called frequently and pervasively and
therefore there is no merit in delaying binding of the function.
Currently only implemented for x86-64, where it turns into a call through
the global offset table.
Patch by Dan Gohman, who assures me that he's going to add LangRef documentation
for this once it's committed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133080
91177308-0d34-0410-b5e6-
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Eli Friedman [Wed, 15 Jun 2011 19:58:09 +0000 (19:58 +0000)]
Remove unused code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133078
91177308-0d34-0410-b5e6-
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Argyrios Kyrtzidis [Wed, 15 Jun 2011 19:56:01 +0000 (19:56 +0000)]
Document ADT/PackedVector.h in "Programmer's Manual" doc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133077
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Argyrios Kyrtzidis [Wed, 15 Jun 2011 19:19:09 +0000 (19:19 +0000)]
Add unit tests for ADT/PackedVector
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133075
91177308-0d34-0410-b5e6-
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Argyrios Kyrtzidis [Wed, 15 Jun 2011 19:18:13 +0000 (19:18 +0000)]
Constify PackedVector::reference::operator T().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133074
91177308-0d34-0410-b5e6-
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Jim Grosbach [Wed, 15 Jun 2011 18:33:28 +0000 (18:33 +0000)]
Diagnostic for undefined assembler local symbols.
Re-apply 133010, with fixes for inline assembler.
Original commit message:
"When an assembler local symbol is used but not defined in a module, a
Darwin assembler wants to issue a diagnostic to that effect."
Added fix to only perform the check when finalizing, as otherwise we're not
done and undefined symbols may simply not have been encountered yet.
Passes "make check" and a self-host check on Darwin.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133071
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Andrew Trick [Wed, 15 Jun 2011 18:25:38 +0000 (18:25 +0000)]
Disabling this test until I can figure out the right lit flags.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133068
91177308-0d34-0410-b5e6-
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Jakob Stoklund Olesen [Wed, 15 Jun 2011 18:02:56 +0000 (18:02 +0000)]
Remove custom allocation orders in SystemZ.
Note that this actually changes code generation, and someone who
understands this target better should check the changes.
- R12Q is now allocatable. I think it was omitted from the allocation
order by mistake since it isn't reserved. It as apparently used as a
GOT pointer sometimes, and it should probably be reserved if that is
the case.
- The GR64 registers are allocated in a different order now. The
register allocator will automatically put the CSRs last. There were
other changes to the order that may have been significant.
The test fix is because r0 and r1 swapped places in the allocation order.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133067
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Evan Cheng [Wed, 15 Jun 2011 17:17:48 +0000 (17:17 +0000)]
Another revsh pattern. rdar://
9609059
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133064
91177308-0d34-0410-b5e6-
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Andrew Trick [Wed, 15 Jun 2011 17:16:12 +0000 (17:16 +0000)]
Added -stress-sched flag in the Asserts build.
Added a test case for handling physreg aliases during pre-RA-sched.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133063
91177308-0d34-0410-b5e6-
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Chad Rosier [Wed, 15 Jun 2011 16:48:02 +0000 (16:48 +0000)]
TargetLoweringOpt is a struct used by DAGCombine, not a pass.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133062
91177308-0d34-0410-b5e6-
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Roman Divacky [Wed, 15 Jun 2011 15:29:47 +0000 (15:29 +0000)]
Make PPC64CompilationCallback compilable no non-darwin platforms.
Patch by Nathan Whitehorn!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133059
91177308-0d34-0410-b5e6-
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Nadav Rotem [Wed, 15 Jun 2011 14:37:18 +0000 (14:37 +0000)]
getZeroExtendInReg needs to get a scalar type
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133057
91177308-0d34-0410-b5e6-
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Nadav Rotem [Wed, 15 Jun 2011 12:26:53 +0000 (12:26 +0000)]
This test was failing on X86 machines which do not have SSE4. Fixed the test by
specifying that the target CPU is corei7.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133053
91177308-0d34-0410-b5e6-
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Nadav Rotem [Wed, 15 Jun 2011 11:19:12 +0000 (11:19 +0000)]
Enable the simplification of truncating-store after fixing the usage of
GetDemandBits (which must operate on the vector element type).
Fix the a usage of getZeroExtendInReg which must also be done on scalar types.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133052
91177308-0d34-0410-b5e6-
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Owen Anderson [Wed, 15 Jun 2011 06:53:50 +0000 (06:53 +0000)]
Replace the statically generated hashtables for checking register relationships with just scanning the (typically tiny) static lists.
At the time I wrote this code (circa 2007), TargetRegisterInfo was using a std::set to perform these queries. Switching to the static hashtables was an obvious improvement, but in reality there's no reason to do anything other than scan.
With this change, total LLC time on a whole-program 403.gcc is reduced by approximately 1.5%, almost all of which comes from a 15% reduction in LiveVariables time. It also reduces the binary size of LLC by 86KB, thanks to eliminating a bunch of very large static tables.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133051
91177308-0d34-0410-b5e6-
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Nick Lewycky [Wed, 15 Jun 2011 06:37:58 +0000 (06:37 +0000)]
Teach the .ll parser to handle named metadata with non-simple names.
Unfortunately we can't follow what the rest of the language does (wrapping it
in double-quotes) because that would cause an ambiguity with metadata strings,
so instead we escape any unusual characters with \xx escaping.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133050
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Bob Wilson [Wed, 15 Jun 2011 06:04:34 +0000 (06:04 +0000)]
A minor simplification: no functional change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133047
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Jakob Stoklund Olesen [Wed, 15 Jun 2011 05:09:20 +0000 (05:09 +0000)]
Use a SetTheory instance to expand register lists in register classes.
This prepares tablegen to compute register lists from set theoretic dag
expressions. This doesn't really make any difference as long as
Target.td still declares RegisterClass::MemberList as [Register].
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133043
91177308-0d34-0410-b5e6-
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Bill Wendling [Wed, 15 Jun 2011 04:56:13 +0000 (04:56 +0000)]
Remove the LTO stuff from the profile_rt library's Makefile.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133042
91177308-0d34-0410-b5e6-
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Jakob Stoklund Olesen [Wed, 15 Jun 2011 04:50:36 +0000 (04:50 +0000)]
Give CodeGenRegisterClass a real sorted member set.
Make the Elements vector private and expose an ArrayRef through
getOrder() instead. getOrder will eventually provide multiple
user-specified allocation orders.
Use the sorted member set for member and subclass tests. Clean up a lot
of ad hoc searches.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133040
91177308-0d34-0410-b5e6-
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Bill Wendling [Wed, 15 Jun 2011 04:31:19 +0000 (04:31 +0000)]
Improve the heuristic to emit the alias if the number of hard-coded registers
are also greater than the alias.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133038
91177308-0d34-0410-b5e6-
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Eli Friedman [Wed, 15 Jun 2011 01:25:56 +0000 (01:25 +0000)]
Stop using memdep for a check that didn't really make sense with memdep. In terms of specific issues, using memdep here checks irrelevant instructions and won't work properly once we start returning "unknown" more aggressively from memdep.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133035
91177308-0d34-0410-b5e6-
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Evan Cheng [Wed, 15 Jun 2011 01:12:31 +0000 (01:12 +0000)]
PerformBFICombine - (bfi A, (and B, Mask1), Mask2) -> (bfi A, B, Mask2) iff
the bits being cleared by the AND are not demanded by the BFI.
The previous BFI dag combine rule was actually incorrect (or used to be
correct until BFI representation changed).
rdar://
9609030
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133034
91177308-0d34-0410-b5e6-
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Ted Kremenek [Wed, 15 Jun 2011 00:51:55 +0000 (00:51 +0000)]
add option for literal formatting to APInt::toString()
toString() now takes an optional bool argument that,
depending on the radix, adds the appropriate prefix
to the integer's string representation that makes it into a
meaningful C literal, e.g.:
hexademical: '-f' becomes '-0xf'
octal: '77' becomes '077'
binary: '110' becomes '0b110'
Patch by nobled@dreamwidth.org!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133032
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Eli Friedman [Wed, 15 Jun 2011 00:47:34 +0000 (00:47 +0000)]
Add "unknown" results for memdep, which mean "I don't know whether a dependence for the given instruction exists in the given block". This cleans up all the existing hacks in memdep which represent this concept by returning clobber with various unrelated instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133031
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Jakob Stoklund Olesen [Wed, 15 Jun 2011 00:20:40 +0000 (00:20 +0000)]
Move the list of register classes into CodeGenRegBank as well.
No functional change intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133029
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Tanya Lattner [Tue, 14 Jun 2011 23:48:48 +0000 (23:48 +0000)]
Add an optimization that looks for a specific pair-wise add pattern and generates a vpaddl instruction instead of scalarizing the add.
Includes a test case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133027
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Rafael Espindola [Tue, 14 Jun 2011 23:47:36 +0000 (23:47 +0000)]
Add triple.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133026
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Anna Zaks [Tue, 14 Jun 2011 22:40:29 +0000 (22:40 +0000)]
Anna's test commit (#2).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133023
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Chad Rosier [Tue, 14 Jun 2011 22:29:10 +0000 (22:29 +0000)]
When pattern matching during instruction selection make sure shl x,1 is not
converted to add x,x if x is a undef. add undef, undef does not guarantee
that the resulting low order bit is zero.
Fixes <rdar://problem/
9453156> and <rdar://problem/
9487392>.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133022
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Rafael Espindola [Tue, 14 Jun 2011 22:24:32 +0000 (22:24 +0000)]
Check the llc output.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133021
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Eli Friedman [Tue, 14 Jun 2011 22:16:20 +0000 (22:16 +0000)]
PR10136: fix PPCTargetLowering::LowerCall_SVR4 so that a necessary CopyToReg doesn't appear to be dead.
Roman, since you're writing tests for other PPC-SVR4 vararg-related stuff, would you mind writing a test for this?
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133018
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Anna Zaks [Tue, 14 Jun 2011 22:10:12 +0000 (22:10 +0000)]
Anna's test commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133017
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Stuart Hastings [Tue, 14 Jun 2011 21:51:38 +0000 (21:51 +0000)]
Test case for x86 MMX inline asm. rdar://problem/
8886707
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133014
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Jim Grosbach [Tue, 14 Jun 2011 21:51:20 +0000 (21:51 +0000)]
Revert 133010. Self-hosted buildbot unhappy.
Apparently llvm itself generates undefined assembler local labels, causing
self-hosting problems with this patch. Reverting until that's sorted out.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133013
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Jim Grosbach [Tue, 14 Jun 2011 21:13:25 +0000 (21:13 +0000)]
Diagnostic for undefined assembler local symbols.
When an assembler local symbol is used but not defined in a module, a
Darwin assembler wants to issue a diagnostic to that effect.
rdar://
9559714
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133010
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Rafael Espindola [Tue, 14 Jun 2011 20:38:50 +0000 (20:38 +0000)]
Add a test for the recent regression.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133009
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Eli Friedman [Tue, 14 Jun 2011 19:30:33 +0000 (19:30 +0000)]
Revert r133004 ; it's breaking nightly tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133007
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Rafael Espindola [Tue, 14 Jun 2011 18:12:31 +0000 (18:12 +0000)]
Partial revert of 132882.
Dan noted that this would work on the case shown on the commit message. I think
the case that was failing was a bb ending with a redundant conditional jump:
...
jne foo
foo:
...
I was unable to find any such case in the tests or in a debug build of clang,
so I will revert this part of the patch and watch the bots.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133004
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Evan Cheng [Tue, 14 Jun 2011 18:08:33 +0000 (18:08 +0000)]
Also recognize ARM v4t and v5e variants.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133002
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Dan Gohman [Tue, 14 Jun 2011 18:07:36 +0000 (18:07 +0000)]
This test is still failing. Delete the rest of it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133001
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Dan Gohman [Tue, 14 Jun 2011 18:03:11 +0000 (18:03 +0000)]
Revert r132991. This test is failing on the
llvm-gcc-x86_64-linux-selfhost buildbot and others.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133000
91177308-0d34-0410-b5e6-
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Jakob Stoklund Olesen [Tue, 14 Jun 2011 16:58:16 +0000 (16:58 +0000)]
Fix a compile time regression caused by too small hash tables.
Measure the worst case number of probes for a miss instead of the less
conservative number of probes required for an insertion.
Lower the limit to < 6 probes worst case.
This doubles the size of the ARM and X86 hash tables, other targets are
unaffected. LiveVariables runs 12% faster with this change.
<rdar://problem/
9598545>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132999
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Rafael Espindola [Tue, 14 Jun 2011 15:31:54 +0000 (15:31 +0000)]
Add 132986 back, but avoid non-determinism if a bb address gets reused.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132995
91177308-0d34-0410-b5e6-
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Nadav Rotem [Tue, 14 Jun 2011 13:23:10 +0000 (13:23 +0000)]
Add a testcase for #9623
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132991
91177308-0d34-0410-b5e6-
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Rafael Espindola [Tue, 14 Jun 2011 12:48:26 +0000 (12:48 +0000)]
revert 132986 to see if the bots go green.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132988
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Nadav Rotem [Tue, 14 Jun 2011 09:10:37 +0000 (09:10 +0000)]
This testcase cause a failure on some bots. Remove the failing test until
further investigation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132986
91177308-0d34-0410-b5e6-
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Nadav Rotem [Tue, 14 Jun 2011 08:11:52 +0000 (08:11 +0000)]
Add a testcase for checking the integer-promotion of many different vector
types (with power of two types such as 8,16,32 .. 512).
Fix a bug in the integer promotion of bitcast nodes. Enable integer expanding
only if the target of the conversion is an integer (when the type action is
scalarize).
Add handling to the legalization of vector load/store in cases where the saved
vector is integer-promoted.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132985
91177308-0d34-0410-b5e6-
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Nadav Rotem [Tue, 14 Jun 2011 07:18:26 +0000 (07:18 +0000)]
Disable trunc-store simplification on vectors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132984
91177308-0d34-0410-b5e6-
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Cameron Zwarich [Tue, 14 Jun 2011 06:33:51 +0000 (06:33 +0000)]
Be more obvious about what is being tested.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132982
91177308-0d34-0410-b5e6-
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Rafael Espindola [Tue, 14 Jun 2011 06:08:32 +0000 (06:08 +0000)]
Implement Jakob's suggestion on how to detect fall thought without calling
AnalyzeBranch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132981
91177308-0d34-0410-b5e6-
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Bruno Cardoso Lopes [Tue, 14 Jun 2011 05:11:46 +0000 (05:11 +0000)]
Since ARM's prefetch implementation predicted the presence of a instruction
cache prefetch and now that the info from "prefetch" to "ARMPreload" is present,
only add a testcase for PLI.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132978
91177308-0d34-0410-b5e6-
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Bruno Cardoso Lopes [Tue, 14 Jun 2011 04:58:37 +0000 (04:58 +0000)]
Add one more argument to the prefetch intrinsic to indicate whether it's a data
or instruction cache access. Update the targets to match it and also teach
autoupgrade.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132976
91177308-0d34-0410-b5e6-
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Rafael Espindola [Tue, 14 Jun 2011 04:41:17 +0000 (04:41 +0000)]
Make the threshold used by branch folding softer. Before we would get a
sharp all or nothing transition when one extra predecessor was added. Now
we still test first ones for merging.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132974
91177308-0d34-0410-b5e6-
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Nick Lewycky [Tue, 14 Jun 2011 03:23:52 +0000 (03:23 +0000)]
Fit banner in 80-col and adjust whitespace. No functionality changes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132964
91177308-0d34-0410-b5e6-
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Bill Wendling [Tue, 14 Jun 2011 03:17:20 +0000 (03:17 +0000)]
Heuristic: If the number of operands in the alias are more than the number of
operands in the aliasee, don't print the alias.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132963
91177308-0d34-0410-b5e6-
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John McCall [Tue, 14 Jun 2011 03:02:05 +0000 (03:02 +0000)]
Test case for r132797.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132962
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John McCall [Tue, 14 Jun 2011 02:51:53 +0000 (02:51 +0000)]
Use IRBuilder to make our intrinsic calls in the inliner so that we pick up
line info correctly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132961
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Evan Cheng [Tue, 14 Jun 2011 01:51:33 +0000 (01:51 +0000)]
Update BitcodeWriter to match recent Triple changes. rdar://
9603399
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132959
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Nick Lewycky [Tue, 14 Jun 2011 00:59:24 +0000 (00:59 +0000)]
Use Value::stripPointerCasts instead of reinventing part of the wheel.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132954
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Cameron Zwarich [Mon, 13 Jun 2011 23:39:23 +0000 (23:39 +0000)]
Fix grammar.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132952
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Jim Grosbach [Mon, 13 Jun 2011 22:54:22 +0000 (22:54 +0000)]
Clean up a few 80 column violations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132946
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Cameron Zwarich [Mon, 13 Jun 2011 21:44:43 +0000 (21:44 +0000)]
Rename MergeInType to MergeInTypeForLoadOrStore.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132940
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Cameron Zwarich [Mon, 13 Jun 2011 21:44:40 +0000 (21:44 +0000)]
Remove the HadAVector instance variable and replace it with a use of ScalarKind.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132939
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Cameron Zwarich [Mon, 13 Jun 2011 21:44:38 +0000 (21:44 +0000)]
Remove a vacuous check.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132938
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Cameron Zwarich [Mon, 13 Jun 2011 21:44:35 +0000 (21:44 +0000)]
Have SRoA explicitly track the kind of scalar it is promoting. This is pretty
spartan right now, but I plan to encode more information in this enum to improve
the correctness and reliability of SRoA. At least this first pass makes it
possible to make VectorTy an actual VectorType.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132937
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Cameron Zwarich [Mon, 13 Jun 2011 21:44:31 +0000 (21:44 +0000)]
Remove an argument that is always true.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132936
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Jim Grosbach [Mon, 13 Jun 2011 21:18:25 +0000 (21:18 +0000)]
Fix coordination for using R4 in Thumb1 as a scratch for SP restore.
The logic for reserving R4 for use as a scratch needs to match that for
actually using it. Also, it's not necessary for immediate <=508, so adjust
the value checked.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132934
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Evan Cheng [Mon, 13 Jun 2011 20:45:54 +0000 (20:45 +0000)]
Aliased flag options should be directed to stdout, not stderr to be consistent. Patch by Julien Lerouge.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132931
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Bill Wendling [Mon, 13 Jun 2011 20:14:37 +0000 (20:14 +0000)]
Add compatibility version when compiling the Apple way.
<rdar://problem/
9600408>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132929
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Stuart Hastings [Mon, 13 Jun 2011 18:48:49 +0000 (18:48 +0000)]
Avoid fusing bitcasts with dynamic allocas if the amount-to-allocate
might overflow. Re-typing the alloca to a larger type (e.g. double)
hoists a shift into the alloca, potentially exposing overflow in the
expression. rdar://problem/
9265821
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132926
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Benjamin Kramer [Mon, 13 Jun 2011 18:38:56 +0000 (18:38 +0000)]
Move class into an anonymous namespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132925
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Nadav Rotem [Mon, 13 Jun 2011 18:13:24 +0000 (18:13 +0000)]
Fix a bug in FindMemType. When widening vector loads, use a wider memory type
only if the number of packed elements is a power of two.
Bug found in Duncan's testcase.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132923
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Chris Lattner [Mon, 13 Jun 2011 15:59:35 +0000 (15:59 +0000)]
mention graph vis isn't available in Release builds.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132916
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Benjamin Kramer [Mon, 13 Jun 2011 15:24:24 +0000 (15:24 +0000)]
InstCombine: Fold A-b == C --> b == A-C if A and C are constants.
The backend already knew this trick.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132915
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Benjamin Kramer [Mon, 13 Jun 2011 12:56:51 +0000 (12:56 +0000)]
Revert r132910 and r132909 on behalf of Michael. They didn't build with clang.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132914
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Michael J. Spencer [Mon, 13 Jun 2011 11:53:31 +0000 (11:53 +0000)]
Revert the last two commits in the series. r132911, r132912.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132913
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Michael J. Spencer [Mon, 13 Jun 2011 11:12:42 +0000 (11:12 +0000)]
Modify llvm-nm to use new Binary creation method.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132912
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Michael J. Spencer [Mon, 13 Jun 2011 11:12:33 +0000 (11:12 +0000)]
Make Binary the parent of ObjectFile and update children to new interface.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132911
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Michael J. Spencer [Mon, 13 Jun 2011 11:12:12 +0000 (11:12 +0000)]
Add Binary class. This is a cleaner parent than ObjectFile.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132910
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Michael J. Spencer [Mon, 13 Jun 2011 11:11:59 +0000 (11:11 +0000)]
Add Object/Error.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132909
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Michael J. Spencer [Mon, 13 Jun 2011 11:11:39 +0000 (11:11 +0000)]
Fix spelling and sort CMakeLists.txt.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132908
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Nick Lewycky [Mon, 13 Jun 2011 07:52:46 +0000 (07:52 +0000)]
It's possible that an all-zero GEP may be used as the argument to lifetime
intrinsics. In fact, we'll optimize a bitcast to that when possible. Detect it
when looking for the lifetime intrinsics.
No test case, noticed by inspection.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132906
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Jakob Stoklund Olesen [Mon, 13 Jun 2011 03:26:46 +0000 (03:26 +0000)]
Be less aggressive about hinting in RAFast.
In particular, don't spill dirty registers only to satisfy a hint. It is
not worth it.
The attached test case provides an example where the fast allocator
would spill a register when other registers are available.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132900
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Jakob Stoklund Olesen [Mon, 13 Jun 2011 03:26:42 +0000 (03:26 +0000)]
Include callee-saved registers in debug output.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132899
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Rafael Espindola [Mon, 13 Jun 2011 03:09:13 +0000 (03:09 +0000)]
Fix invalid uses of Twine. Hopefully this fixes the problem that Takumi is
having.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132898
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Benjamin Kramer [Sun, 12 Jun 2011 22:48:00 +0000 (22:48 +0000)]
InstCombine: Shrink ((zext X) & C1) == C2 to fold away the cast if the "zext" and the "and" have one use.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132897
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Benjamin Kramer [Sun, 12 Jun 2011 22:47:53 +0000 (22:47 +0000)]
Simplify code. No functionality changes, name changes aside.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132896
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Benjamin Kramer [Sun, 12 Jun 2011 15:26:54 +0000 (15:26 +0000)]
Happy new year.
Only 163 days late!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132895
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Nadav Rotem [Sun, 12 Jun 2011 14:56:55 +0000 (14:56 +0000)]
Fix a bug in the calculation of the vectorTypeBreakdown into registers. Odd
types such as i33 were rounded to i32. Originated from Duncan's testcase.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132893
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Nadav Rotem [Sun, 12 Jun 2011 14:49:38 +0000 (14:49 +0000)]
Improve the generated code by getCopyFromPartsVector for promoted integer types.
Instead of scalarizing, and doing an element-by-element truncat, use vector
truncate.
Add support for scalarization of vectors: i8 -> <1 x i1> (from Duncan's
testcase).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132892
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Nadav Rotem [Sun, 12 Jun 2011 14:40:30 +0000 (14:40 +0000)]
Bugfix: When looking for a legal vector type, stop looking when a non-simple
element type is found.
This fix addresses some of the tests in Duncan's testcase (forthcoming).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132891
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Jakob Stoklund Olesen [Sun, 12 Jun 2011 07:04:32 +0000 (07:04 +0000)]
Tweak hash function and compress hash tables.
Make the hash tables as small as possible while ensuring that all
lookups can be done in less than 8 probes.
Cut the aliases hash table in half by only storing a < b pairs - it
is a symmetric relation.
Use larger multipliers on the initial hash function to ensure that it
properly covers the whole table, and to resolve some clustering in the
very regular ARM register bank.
This reduces the size of most of these tables by 4x - 8x. For instance,
the ARM tables shrink from 48 KB to 8 KB.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132888
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