Peter Collingbourne
999f90bedf
Add a pinned metadata name for fpaccuracy, and document it
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143135 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-27 19:19:14 +00:00
Peter Collingbourne
249d953ed7
Document tbaa metadata in LangRef (documentation largely based on
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comments at top of TypeBasedAliasAnalysis.cpp).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143134 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-27 19:19:07 +00:00
Duncan Sands
32a43cc0fc
Reapply commit 143028 with a fix: the problem was casting a ConstantExpr Mul
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using BinaryOperator (which only works for instructions) when it should have
been a cast to OverflowingBinaryOperator (which also works for constants).
While there, correct a few other dubious looking uses of BinaryOperator.
Thanks to Chad Rosier for the testcase. Original commit message:
My super-optimizer noticed that we weren't folding this expression to
true: (x *nsw x) sgt 0, where x = (y | 1). This occurs in 464.h264ref.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143125 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-27 19:16:21 +00:00
Stepan Dyatkovskiy
6eb1ed8c9c
Fixed llvm-objdump uint64_t formatted output.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143120 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-27 18:40:45 +00:00
Benjamin Kramer
588d84c4df
2>&1 doesn't work here, it just creates an empty file called "&1"
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143117 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-27 18:27:45 +00:00
Pete Cooper
cbe35f2147
Changed test to check for correct load size instead of shift as the shift might change if optimised
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143116 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-27 18:15:58 +00:00
Jim Grosbach
492be64772
Trailing whitespace.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143113 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-27 17:44:01 +00:00
Kevin Enderby
55c4127134
Change the sysexit mnemonic (and sysexitl) to never have the REX.W prefix and
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not depend on In32BitMode. Use the sysexitq mnemonic for the version with the
REX.W prefix and only allow it only In64BitMode. rdar://9738584
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143112 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-27 17:40:41 +00:00
Jim Grosbach
88484c0030
Thumb2 t2LDMDB[_UPD] assembly parsing to recognize .w suffix.
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rdar://10348844
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143110 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-27 17:33:59 +00:00
Owen Anderson
3529c53d2f
Expose relocation accessors through the libObject C API.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143109 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-27 17:32:36 +00:00
Jim Grosbach
036a67d670
Thumb2 t2MVNi assembly parsing to recognize ".w" suffix.
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rdar://10348584
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143108 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-27 17:16:55 +00:00
Owen Anderson
d8b0b915c5
Add relocation iterators to the libObject C API.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143107 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-27 17:15:47 +00:00
Benjamin Kramer
bc1430a0a0
BlockFrequency: Use a smarter overflow check.
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This trades one 64 bit div for one 64 bit mul and some arithmetic.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143106 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-27 16:38:50 +00:00
Bob Wilson
090697321b
Revert Duncan's r143028 expression folding which appears to be the culprit
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behind a compile failure on 483.xalancbmk.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143102 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-27 15:47:25 +00:00
Benjamin Kramer
c45fe4c1dc
LLLexer: Factor hex char parsing.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143101 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-27 14:08:01 +00:00
Nick Lewycky
390c40d96a
Teach our Dwarf emission to use the string pool.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143097 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-27 06:44:11 +00:00
Eli Friedman
fd58cd7563
Don't crash on 128-bit sdiv by constant. Found by inspection.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143095 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-27 02:06:39 +00:00
Eli Friedman
8ecde6cbf8
It is not safe to sink an alloca into a stacksave/stackrestore pair, so don't do that. <rdar://problem/10352360>
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143093 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-27 01:33:51 +00:00
Chad Rosier
6d64b3adab
A branch predicated on a constant can just FastEmit an unconditional branch.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143086 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-27 00:21:16 +00:00
Lang Hames
15701f8969
Rename NonScalarIntSafe to something more appropriate.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143080 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-26 23:50:43 +00:00
Chad Rosier
8ff2664f2f
Add a TODO comment. FastISel works by parsing each basic block from the bottom
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up. Thus, improving the support for compares is goodness because it increases
the number of terminator instructions we can handle. This creates many more
opportunities for target specific fast-isel.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143079 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-26 23:34:37 +00:00
Chad Rosier
ade620065d
Factor a little more code into EmitCmp, which should have been done in the first
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place. No functional change intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143078 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-26 23:25:44 +00:00
Chad Rosier
75698f346f
Use EmitCmp in SelectBranch. No functional change intended.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143076 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-26 23:17:28 +00:00
Nick Lewycky
746cb670c3
Reflow lines, fix comments for doxygen style, fix whitespace. No functionality
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change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143074 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-26 22:55:33 +00:00
Bill Wendling
50cacc825a
Add include-what-you-use to the External Projects list.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143073 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-26 22:55:18 +00:00
Chad Rosier
530f7cefd3
Factor out an EmitCmp function that can be used by both SelectCmp and
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SelectBranch. No functional change intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143072 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-26 22:47:55 +00:00
Jim Grosbach
684457d179
Trailing whitespace.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143071 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-26 22:44:41 +00:00
Jim Grosbach
a581328ceb
Thumb2 ldr pc-relative encoding fixes.
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We were parsing label references to the i12 encoding, which isn't right.
They need to go to the pci variant instead.
More of rdar://10348687
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143068 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-26 22:22:01 +00:00
Rafael Espindola
2a1286ed58
Run test with -verify-machineinstrs.
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Patch by Sanjoy Das.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143066 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-26 21:20:26 +00:00
Rafael Espindola
66bf7430f5
Fixes an issue reported by -verify-machineinstrs.
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Patch by Sanjoy Das.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143064 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-26 21:16:41 +00:00
Jim Grosbach
758a519a22
ARM parse parenthesized expressions for label references.
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Partial fix for rdar://10348687.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143063 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-26 21:14:08 +00:00
Rafael Espindola
e840e88239
This commit introduces two fake instructions MORESTACK_RET and
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MORESTACK_RET_RESTORE_R10; which are lowered to a RET and a RET
followed by a MOV respectively. Having a fake instruction prevents
the verifier from seeing a MachineBasicBlock end with a
non-terminator (MOV). It also prevents the rather eccentric case of a
MachineBasicBlock ending with RET but having successors nevertheless.
Patch by Sanjoy Das.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143062 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-26 21:12:27 +00:00
Lang Hames
75757f9fd1
Make sure short memsets on ARM lower to stores, even when optimizing for size.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143055 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-26 20:56:52 +00:00
Duncan Sands
dd3149d579
The maximum power of 2 dividing a power of 2 is itself. This occurs
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in 403.gcc and was spotted by my super-optimizer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143054 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-26 20:55:21 +00:00
Owen Anderson
1832f4d94e
Add support for scattered relocations to the MachO relocatation pretty printer.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143051 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-26 20:42:54 +00:00
Bill Wendling
7b7fa74527
Some formatting changes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143045 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-26 18:46:16 +00:00
Nick Lewycky
5a86c5b457
On an ELF system, ".debug_str" is mergeable and contains null terminated strings
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composed of one byte characters.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143044 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-26 18:44:32 +00:00
Bill Wendling
bc5f6ddfba
Add the blurb about the new exception handling.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143042 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-26 18:33:01 +00:00
Bill Wendling
65d1f415c7
Add clReflect to the External Projects list.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143041 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-26 18:23:06 +00:00
Bill Wendling
57fd876509
Add LanguageKit and Pragmatic Smalltalk to the External Projects list.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143040 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-26 18:20:54 +00:00
Owen Anderson
ef22f78c68
The order of the two symbol listings in a Macho x86_64 subtractor relocation is reversed from what seems intuitive to me.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143035 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-26 17:28:49 +00:00
Jim Grosbach
9c5edc00c4
Thumb2 remove redundant ".w" suffix from t2MVNCCi pattern.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143034 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-26 17:28:15 +00:00
Owen Anderson
f8261e7d07
Include the full 64 bits of relocation data in the type info for MachO relocations, so that we can recognize scattered relocations.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143033 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-26 17:10:22 +00:00
Owen Anderson
9472b8d220
Expand relocation type field to 64 bits. MachO scattered relocations require 33 bits of type info.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143032 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-26 17:08:49 +00:00
Owen Anderson
929e27cc3c
Improve pretty printing of GOT relocations in MachO on x86_64.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143031 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-26 17:05:20 +00:00
Duncan Sands
e8ec225e77
My super-optimizer noticed that we weren't folding this expression to
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true: (x *nsw x) sgt 0, where x = (y | 1). This occurs in 464.h264ref.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143028 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-26 15:31:51 +00:00
Duncan Sands
a921a46854
Simplify SplitVecRes_UnaryOp by removing all the code that is
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trying to legalize the operand types when only the result type
is required to be legalized - the type legalization machinery
will get round to the operands later if they need legalizing.
There can be a point to legalizing operands in parallel with
the result: when this saves compile time or results in better
code. There was only one case in which this was true: when
the operand is also split, so keep the logic for that bit.
As a result of this change, additional operand legalization
methods may need to be introduced to handle nodes where the
result and operand types can differ, like SIGN_EXTEND, but
the testsuite doesn't contain any tests where this is the case.
In any case, it seems better to require such methods (and die
with an assert if they doesn't exist) than to quietly produce
wrong code if we forgot to special case the node in
SplitVecRes_UnaryOp.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143026 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-26 14:11:18 +00:00
Bill Wendling
644ce53a30
Add ThreadSanitizer to the External Projects list.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143024 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-26 09:25:01 +00:00
James Molloy
015cca6c08
Revert r142530 at least temporarily while a discussion is had on llvm-commits regarding exactly how much optsize should optimize for size over performance.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143023 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-26 08:53:19 +00:00
Bill Wendling
8a924c6edf
Add ZooLib to the External Projects list.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143022 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-26 07:42:45 +00:00