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Author SHA1 Message Date
Daniel Dunbar
3a96439b36 Revert r1296656, "Fix rdar://9289512 - not folding load into compare at -O0...", 
which broke a couple GCC test suite tests at -O0.

llvm-svn: 129914
 2011-04-21 16:14:46 +00:00
Justin Holewinski
9a7361254a PTX: Expand useable register space 
llvm-svn: 129913
 2011-04-21 16:08:02 +00:00
Che-Liang Chiou
b1b2ee909c ptx: fix parameter ordering 
This patch depends on the prior fix r129908 that changes to use std::find,
rather than std::binary_search, on unordered array.

Patch by Dan Bailey

llvm-svn: 129909
 2011-04-21 10:56:58 +00:00
Che-Liang Chiou
1288d5425e ptx: PTXMachineFunctionInfo no longer sort registers and so should not use std::binary_search 
llvm-svn: 129908
 2011-04-21 10:16:20 +00:00
Jakob Stoklund Olesen
5168088bcf Don't allow per-register spill size and alignment. 
These values were not used for anything. Spill size and alignment is a property
of the register class, not the register.

llvm-svn: 129906
 2011-04-21 03:43:21 +00:00
Nick Lewycky
ea02a6edaa In gcov profiling, give all functions an extra unified return block. This is 
necessary since gcov counts transitions between blocks. It can't see if you've
run every line in a straight-line function, so we add an edge for it to notice.

llvm-svn: 129905
 2011-04-21 03:18:00 +00:00
Nick Lewycky
edc88a6441 Fix think-o: emit all 8 bytes of the EOF marker. Also reflow a line in a 
comment for 80 columns.

llvm-svn: 129904
 2011-04-21 02:48:39 +00:00
Nick Lewycky
ffdfe9ff1b Add independent controls for whether GCOV profiling should emit .gcno files or 
instrument the program to emit .gcda.
TODO: we should emit slightly different .gcda files when .gcno emission is off.

llvm-svn: 129903
 2011-04-21 01:56:25 +00:00
Nick Lewycky
08fa5e5ed3 Fix typo in comment. 
llvm-svn: 129902
 2011-04-21 01:54:08 +00:00
NAKAMURA Takumi
e5837f1317 docs/llvm.css: Introduce cascading style <div> and <p> continued on <h[2-5]>. For now, it is applied in AliasAnalysis.html and ReleaseNotes.html. 
<h2>Section Example</h2>
<div> <!-- h2+div is applied -->
<p>Section preamble.</p>

<h3>Subsection Example</h3>
<p> <!-- h3+p is applied -->
Subsection body
</p>

<!-- End of section body -->
</div>

llvm-svn: 129901
 2011-04-21 01:52:00 +00:00
NAKAMURA Takumi
b4d0713c60 docs/Passes.html: Fix a garbage. 
llvm-svn: 129900
 2011-04-21 01:32:19 +00:00
Nick Lewycky
d4b44b93cf Structs have elements not parameters. I'm surprised this ever compiled... 
llvm-svn: 129888
 2011-04-20 22:52:37 +00:00
Evan Cheng
28877b11a2 Remove -use-divmod-libcall. Let targets opt in when they are available. 
llvm-svn: 129884
 2011-04-20 22:20:12 +00:00
Jakob Stoklund Olesen
22089a66fb Add debug output for rematerializable instructions. 
llvm-svn: 129883
 2011-04-20 22:14:20 +00:00
Jakob Stoklund Olesen
266de7e1e1 Permit remat when a virtual register has multiple defs. 
TII::isTriviallyReMaterializable() shouldn't depend on any properties of the
register being defined by the instruction. Rematerialization is going to create
a new virtual register anyway.

llvm-svn: 129882
 2011-04-20 22:14:17 +00:00
Cameron Zwarich
fee060175e Fix another case of <rdar://problem/9184212> that only occurs with code 
generated by llvm-gcc, since llvm-gcc uses 2 i64s for passing a 4 x float
vector on ARM rather than an i64 array like Clang.

llvm-svn: 129878
 2011-04-20 21:48:38 +00:00
Cameron Zwarich
139f811a9b The bitcast case here is actually handled uniformly earlier in the function, so 
delete it.

llvm-svn: 129877
 2011-04-20 21:48:34 +00:00
Cameron Zwarich
13cd49fd54 Cleanup some code to better use an early return style in preparation for adding 
more cases.

llvm-svn: 129876
 2011-04-20 21:48:16 +00:00
Stuart Hastings
e9430126f1 Un-XFAIL this test for ARM. <rdar://problem/7662569> 
llvm-svn: 129875
 2011-04-20 21:47:45 +00:00
Eli Friedman
e515691c63 Revert r129846; it's breaking a buildbot. See 
http://google1.osuosl.org:8011/builders/llvm-x86_64-linux-checks/builds/825/steps/test.llvm.stage2/logs/st.ll

llvm-svn: 129869
 2011-04-20 19:00:08 +00:00
Jakob Stoklund Olesen
6501ea2557 Prefer cheap registers for busy live ranges. 
On the x86-64 and thumb2 targets, some registers are more expensive to encode
than others in the same register class.

Add a CostPerUse field to the TableGen register description, and make it
available from TRI->getCostPerUse. This represents the cost of a REX prefix or a
32-bit instruction encoding required by choosing a high register.

Teach the greedy register allocator to prefer cheap registers for busy live
ranges (as indicated by spill weight).

llvm-svn: 129864
 2011-04-20 18:19:48 +00:00
Stuart Hastings
1905cf10e3 Excise unintended hunk in 129858. <rdar://problem/7662569> 
llvm-svn: 129862
 2011-04-20 18:09:26 +00:00
Stuart Hastings
a552942e02 ARM byval support. Will be enabled by another patch to the FE. <rdar://problem/7662569> 
llvm-svn: 129858
 2011-04-20 16:47:52 +00:00
Daniel Dunbar
d1ebdf5c43 sys/Host: Change getHostTriple() to return the full Darwin version on OS X. 
llvm-svn: 129852
 2011-04-20 15:44:33 +00:00
Justin Holewinski
dc1965a16c PTX: Add intrinsics to list of built-in intrinsics, which allows them to be 
used by Clang.  To help Clang integration, the PTX target has been split
     into two targets: ptx32 and ptx64, depending on the desired pointer size.

- Add GCCBuiltin class to all intrinsics
- Split PTX target into ptx32 and ptx64

llvm-svn: 129851
 2011-04-20 15:37:17 +00:00
Rafael Espindola
032ab8c114 Behave like gnu as when a relocation crosses sections. 
llvm-svn: 129850
 2011-04-20 14:01:45 +00:00
Che-Liang Chiou
a1aa7de4a9 ptx: add integer div and rem instruction 
Patched by Dan Bailey

llvm-svn: 129848
 2011-04-20 09:28:55 +00:00
Che-Liang Chiou
1792164516 ptx: add floating-point comparison to setp 
Patched by Dan Bailey

llvm-svn: 129847
 2011-04-20 09:28:20 +00:00
Che-Liang Chiou
25911afe57 ptx: fix parameter ordering 
Patched by Dan Bailey

llvm-svn: 129846
 2011-04-20 09:27:19 +00:00
Nick Lewycky
8304ea55f2 This should always be signed chars, so use int8_t. This fixes a miscompile when 
llvm is built with unsigned chars where an immediate such as 0xff would be zero
extended to 64-bits, turning "cmp $0xff,%eax" into
"cmp $0xffffffffffffffff,%eax".

llvm-svn: 129845
 2011-04-20 03:19:42 +00:00
Rafael Espindola
09e9797728 Remove unused arguments. 
llvm-svn: 129844
 2011-04-20 03:08:09 +00:00
Eric Christopher
4c3c7c8211 Rewrite the expander for umulo/smulo to remember to sign extend the input 
manually and pass all (now) 4 arguments to the mul libcall. Add a new
ExpandLibCall for just this (copied gratuitously from type legalization).

Fixes rdar://9292577

llvm-svn: 129842
 2011-04-20 01:19:45 +00:00
Daniel Dunbar
187b2237d2 llc: Fix a refacto, .loc support didn't work before 10.6. 
llvm-svn: 129841
 2011-04-20 00:47:19 +00:00
Sean Callanan
c550ce0d48 Made the MC disassembler check before accessing 
MCInst operands for ARM.  This allows it to be
more tolerant of malformed MCInsts or incorrect
instruction metadata.

llvm-svn: 129840
 2011-04-20 00:43:34 +00:00
Daniel Dunbar
82a4062a4e ADT/Triple: Renambe isOSX... methods to isMacOSX for consistency with the OS 
triple component.

llvm-svn: 129838
 2011-04-20 00:14:25 +00:00
Johnny Chen
7ceb5e40b6 Fix typo in the comment. 
llvm-svn: 129837
 2011-04-19 23:58:52 +00:00
Daniel Dunbar
3f19424547 ADT/Triple: Drop support for -osx style triples, we are going with -macosx 
instead.

llvm-svn: 129836
 2011-04-19 23:55:20 +00:00
Daniel Dunbar
6af8a09825 ADT/Triple: Add support for Triple::MacOSX per feedback from Chris, will remove 
Triple::OSX once Clang has moved.

llvm-svn: 129833
 2011-04-19 23:34:12 +00:00
Daniel Dunbar
1c0a0fde5c ADT/Triple: Move a variety of clients to using isOSDarwin() and isOSWindows() 
predicates.

llvm-svn: 129816
 2011-04-19 21:14:45 +00:00
Daniel Dunbar
9934e8436d ADT/Triple: Add isOSDarwin() and isOSWindows() helper functions. 
llvm-svn: 129815
 2011-04-19 21:12:05 +00:00
Daniel Dunbar
0fa8b6f591 ADT/Triple: Fix Triple::getArchNameForAssembler to support OSX and iOS 
enumeration values.

llvm-svn: 129814
 2011-04-19 21:07:03 +00:00
Daniel Dunbar
a90cba45c7 Target/X86: Eliminate uses of getDarwinVers(). 
llvm-svn: 129813
 2011-04-19 21:04:12 +00:00
Daniel Dunbar
deb1713b7f Target/X86: Add getTargetTriple() accessor. 
llvm-svn: 129812
 2011-04-19 21:01:47 +00:00
Daniel Dunbar
c325e8720a Target/PPC: Kill off DarwinVers, which is now dead. 
llvm-svn: 129811
 2011-04-19 20:59:24 +00:00
Daniel Dunbar
685eb363c9 Target/PPC: Eliminate a use of getDarwinVers(). 
llvm-svn: 129810
 2011-04-19 20:57:03 +00:00
Daniel Dunbar
df2c6f8ce7 Target/PPC: Add a TargetTriple field. 
llvm-svn: 129809
 2011-04-19 20:54:28 +00:00
Chris Lattner
649aa9aa1e add a helper method. 
llvm-svn: 129806
 2011-04-19 20:47:57 +00:00
Daniel Dunbar
d11dec1469 llc: Eliminate a use of getDarwinMajorNumber(). 
- As before, there is a minor semantic change here (evidenced by the test
   change) for Darwin triples that have no version component. I debated changing
   the default behavior of isOSVersionLT, but decided it made more sense for
   triples to be explicit.

llvm-svn: 129805
 2011-04-19 20:46:13 +00:00
Daniel Dunbar
6a52508cb9 Target: Eliminate a use of getDarwinMajorNumber(). 
llvm-svn: 129803
 2011-04-19 20:44:08 +00:00
Daniel Dunbar
140e365c49 CodeGen: Eliminate a use of getDarwinMajorNumber(). 
- There is a minor semantic change here (evidenced by the test change) for
   Darwin triples that have no version component. I debated changing the default
   behavior of isOSVersionLT, but decided it made more sense for triples to be
   explicit.

llvm-svn: 129802
 2011-04-19 20:32:39 +00:00