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Commit Graph

74639 Commits

Author SHA1 Message Date
Jim Grosbach
03f50df742 Move imm0_255 to ARMInstrInfo.td with the other immediate predicates.
llvm-svn: 136656
2011-08-01 22:02:20 +00:00
Jim Grosbach
a6bafab131 Fix comments.
llvm-svn: 136655
2011-08-01 21:55:12 +00:00
Bruno Cardoso Lopes
771876cade Add v4f64 -> v2f32 fp_round support. Also add a testcase to exercise
the legalizer. This commit together with the two previous ones fixes
PR10495.

llvm-svn: 136654
2011-08-01 21:54:09 +00:00
Bruno Cardoso Lopes
0db437e0d6 Teach PreprocessISelDAG to be aware of vector types and to not process them.
llvm-svn: 136653
2011-08-01 21:54:05 +00:00
Bruno Cardoso Lopes
b7ea699afa Lower CONCAT_VECTORS to use two VINSERTF128 instructions instead of
using a stack store.

llvm-svn: 136652
2011-08-01 21:54:02 +00:00
Roman Divacky
cda7c35eaf Fix a typo.
llvm-svn: 136646
2011-08-01 20:38:27 +00:00
Owen Anderson
167040246a The FixedLenDecoder needs to gracefully handle failing per-instruction decoder hooks in addition to per-operand decoder hooks.
llvm-svn: 136645
2011-08-01 20:06:49 +00:00
Chandler Carruth
38c8c22382 Actually finish switching to the new system for Target sublibrary
TableGen deps introduced in r136023. This completes the fixing that
dgregor started in r136621. Sorry for missing these the first time
around.

This should fix some of the random race-condition failures people are
still seeing with CMake.

llvm-svn: 136643
2011-08-01 19:55:11 +00:00
Bruno Cardoso Lopes
d3a5171087 Since vectors with all ones can't be created with a 256-bit instruction,
avoid returning early for v8i32 types, which would only be valid for
vector with all zeros. Also split the handling of zeros and ones into separate
checking logic since they are handled differently. This fixes PR10547

llvm-svn: 136642
2011-08-01 19:51:53 +00:00
Evan Cheng
2ff9ac5c22 Set endianess and pointer size for PPC Linux. Bug noticed by Roman Divacky.
llvm-svn: 136639
2011-08-01 19:43:05 +00:00
Jakub Staszak
5a47c78397 Change SmallVector to SmallPtrSet in BranchProbabilityInfo. Handle cases where
one than one successor goes to the same block.

llvm-svn: 136638
2011-08-01 19:16:26 +00:00
Owen Anderson
703d9b30bf Enhance the fixed length disassembler to better handle operand decoding failures.
llvm-svn: 136635
2011-08-01 18:44:37 +00:00
Owen Anderson
4ee266955a Add a clear() operation to MCInst, to drop all of its operands. Useful for the disassembler, where we may realize fairly late into decoding that something is wrong and need to reset.
llvm-svn: 136634
2011-08-01 18:43:18 +00:00
Richard Osborne
2cd07cf351 Fix crash with varargs function with no named parameters.
llvm-svn: 136623
2011-08-01 16:45:59 +00:00
Douglas Gregor
1c34b16e1a Update CMake target names for tablegen-generated data in the X86 and ARM targets. This should fix the CMake build with MSVC.
llvm-svn: 136621
2011-08-01 16:29:27 +00:00
Jakub Staszak
db23d8b195 Add BlockFrequency::getEntryFrequency()
llvm-svn: 136618
2011-08-01 15:22:10 +00:00
Jay Foad
8a07eadb04 Add braces.
llvm-svn: 136612
2011-08-01 12:48:54 +00:00
Jay Foad
cf38f986e3 Simplify printAlias.
llvm-svn: 136611
2011-08-01 12:29:14 +00:00
Jay Foad
5001a9966f Micro-optimisation in getAliasedGlobal.
llvm-svn: 136610
2011-08-01 12:28:01 +00:00
Jay Foad
d0e1227c96 Remove an unnecessary cast.
llvm-svn: 136609
2011-08-01 12:27:15 +00:00
Jay Foad
f5b5b93126 The operands of a GlobalAlias are always Constants. Simplify things
accordingly.

llvm-svn: 136608
2011-08-01 12:20:36 +00:00
Chandler Carruth
ad763ae648 I mis-interpreted the MCDisassembler's intended dependencies. Now to fix
them properly. Specifically, the disassembler clearly attempts to
initialiaze all TargetInfo, MCTargeDesc, AsmParser, and Disassembler
sublibraries of registered targets. This makes the CMakeLists accurately
reflect this intent in the code.

This should fix the last of the link errors that I have gotten reports
of on OS X, but if anyone continues to see link errors, continue to
pester me and I'll look into it.

llvm-svn: 136603
2011-07-31 22:00:40 +00:00
Bill Wendling
108ce4478d Fix some validation errors.
llvm-svn: 136591
2011-07-31 06:47:33 +00:00
Bill Wendling
3f24afed54 Fix some validation errors.
llvm-svn: 136590
2011-07-31 06:45:03 +00:00
Bill Wendling
8a625cebd2 Add the 'resume' instruction for the new EH rewrite.
This adds the 'resume' instruction class, IR parsing, and bitcode reading and
writing. The 'resume' instruction resumes propagation of an existing (in-flight)
exception whose unwinding was interrupted with a 'landingpad' instruction (to be
added later).

llvm-svn: 136589
2011-07-31 06:30:59 +00:00
Jakub Staszak
8f686498df Do not handle cases with >= and <= predicates.
llvm-svn: 136588
2011-07-31 05:54:04 +00:00
Jakub Staszak
0fe2246aab Remove untrue comment.
llvm-svn: 136587
2011-07-31 04:51:14 +00:00
Jakub Staszak
6795c54cb7 Do not handle case where LHS is equal to zero, because InstCombiner always moves
it to RHS anyway.

llvm-svn: 136586
2011-07-31 04:47:20 +00:00
Rafael Espindola
92b7e5d6e5 Add a small gep optimization I noticed was missing while reading some IL.
llvm-svn: 136585
2011-07-31 04:43:41 +00:00
Jakob Stoklund Olesen
81247d41e4 Time the emission of debug values.
llvm-svn: 136584
2011-07-31 03:53:42 +00:00
Jakub Staszak
384a405be9 Add Zero Heurestics to BranchProbabilityInfo. If we compare value to zero we
decide whether condition is likely to be true this way:

x == 0  ->  false
x <  0  ->  false
x <= 0  ->  false
x != 0  ->  true
x >  0  ->  true
x >= 0  ->  true

llvm-svn: 136583
2011-07-31 03:27:24 +00:00
Benjamin Kramer
801c887f01 Remove InvalidateStructLayoutInfo from the ocaml bindings.
llvm-svn: 136582
2011-07-31 01:12:39 +00:00
Jakob Stoklund Olesen
0caedc8db8 Revert r136528 "Enable compact region splitting by default."
While this generally helped x86-64, there was some large regressions
for i386.

llvm-svn: 136571
2011-07-30 17:19:14 +00:00
Chandler Carruth
58ad594855 Switch another of the old dependencies on implicitly produced synthetic
rules to the new explicitly listed TableGen rules. Somehow I missed this
in my original sweep.

llvm-svn: 136567
2011-07-30 10:10:23 +00:00
Chandler Carruth
e3c4dc6c66 Remove yet another buried and hidden implicit dependency: every single
sub-library for the targets depended on the core target CodeGen library.
This completely undermined the careful work to separate the those
libraries, especially the MC-layer ones. This surfaced as circular
dependencies when the libraries were built as shared libraries where
CMake doesn't allow cycles.

This should fix PR10537. I'll watch the bots to see if there is fallout
on other platforms.

llvm-svn: 136565
2011-07-30 08:47:05 +00:00
Bill Wendling
57ddbb84ac Revert r136253, r136263, r136269, r136313, r136325, r136326, r136329, r136338,
r136339, r136341, r136369, r136387, r136392, r136396, r136429, r136430, r136444,
r136445, r136446, r136253 pending review.

llvm-svn: 136556
2011-07-30 05:42:50 +00:00
Sean Callanan
bb5e9313c2 Added several architecture names.
llvm-svn: 136552
2011-07-30 01:29:54 +00:00
Jakob Stoklund Olesen
0f099a3c58 Revert "Don't check liveness of unallocatable registers."
The ARM target depends on CPSR liveness being tracked after register
allocation.

llvm-svn: 136548
2011-07-30 00:57:25 +00:00
Chandler Carruth
c1b18f5265 Make my attempt to build up global deps variables actually utilize
globally scoped constructs. Also, round-trip these dependencies through
the LLVMConfig.cmake.in file thata is used by CMake-based clients of
"installed" (or built) LLVM trees.

llvm-svn: 136543
2011-07-29 23:52:01 +00:00
Jakob Stoklund Olesen
a05b70241c Don't check liveness of unallocatable registers.
This includes registers like EFLAGS and ST0-ST7. We don't check for
liveness issues in the verifier and scavenger because registers will
never be allocated from these classes.

While in SSA form, we do care about the liveness of unallocatable
unreserved registers. Liveness of EFLAGS and ST0 neds to be correct for
MachineDCE and MachineSinking.

llvm-svn: 136541
2011-07-29 23:36:21 +00:00
Jakob Stoklund Olesen
c9fe6bed06 Check for multiple defs in the machine code verifier.
llvm-svn: 136535
2011-07-29 23:02:48 +00:00
Owen Anderson
f946892d3e Correctly handle scattered operands where the bits of the operand are contiguous, but out of order.
llvm-svn: 136534
2011-07-29 23:01:18 +00:00
Jakob Stoklund Olesen
7b77f35a1b Add an isSSA() flag to MachineRegisterInfo.
This flag is true from isel to register allocation when the machine
function is required to be in SSA form.  The TwoAddressInstructionPass
and PHIElimination passes clear the flag.

The SSA flag wil be used by the machine code verifier to check for SSA
form, and eventually an assertion can enforce it in +Asserts builds.
This will catch the common target error of creating machine code with
multiple defs of a virtual register.

llvm-svn: 136532
2011-07-29 22:51:22 +00:00
David Greene
43a26c71e8 Unconstify Inits
Remove const qualifiers from Init references, per Chris' request.

llvm-svn: 136531
2011-07-29 22:43:06 +00:00
Jakub Staszak
28ca752c49 Do not lose branch weights when lowering SwitchInst.
llvm-svn: 136529
2011-07-29 22:25:21 +00:00
Jakob Stoklund Olesen
a77df82448 Enable compact region splitting by default.
This helps generate better code in functions with high register
pressure.

llvm-svn: 136528
2011-07-29 22:10:27 +00:00
Eric Christopher
96b31d5681 Add support for the 'Q' constraint.
Fixes rdar://9866494

llvm-svn: 136523
2011-07-29 21:18:58 +00:00
David Greene
6544f815c3 Remove a blank line from the top.
llvm-svn: 136511
2011-07-29 20:50:18 +00:00
Chris Lattner
4e2659058e have the verifier catch gep's into opaque struct types. PR10473
llvm-svn: 136510
2011-07-29 20:32:28 +00:00
Jim Grosbach
9f0533c5d2 ARM SRS instruction parsing, diassembly and encoding support.
Fix the instruction encoding for operands. Refactor mode to use explicit
instruction definitions per FIXME to be more consistent with loads/stores.
Fix disassembler accordingly. Add tests.

llvm-svn: 136509
2011-07-29 20:26:09 +00:00