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Author SHA1 Message Date
Anton Korobeynikov
c3dd871e95 Update the test 
llvm-svn: 122666
 2011-01-01 20:57:26 +00:00
Chris Lattner
e2ca13d366 turn on memset idiom recognition by default. Though there are still lots of 
limitations, this kicks in dozens of times in the 4 specfp2000 benchmarks, 
and hundreds of times in the int part.  It also kicks in hundreds of times 
in multisource.

This kicks in right before loop deletion, which has the pleasant effect of
deleting loops that *just* do a memset.

llvm-svn: 122664
 2011-01-01 20:39:18 +00:00
Anton Korobeynikov
d37cb4cd1c Model operand restrictions of mul-like instructions on ARMv5 via 
earlyclobber stuff. This should fix PRs 2313 and 8157.

Unfortunately, no testcase, since it'd be dependent on register
assignments.

llvm-svn: 122663
 2011-01-01 20:38:38 +00:00
Chris Lattner
b9c1684fce add a validity check that was missed, fixing a crash on the 
new testcase.

llvm-svn: 122662
 2011-01-01 20:12:04 +00:00
Duncan Sands
aaddf57af9 Revert commit 122654 at the request of Chris, who reckons that instsimplify 
is the wrong hammer for this nail, and is probably right.

llvm-svn: 122661
 2011-01-01 20:08:02 +00:00
Chris Lattner
9a9f43c4a2 improve validity check to handle constant-trip-count loops more 
aggressively.  In practice, this doesn't help anything though,
see the todo.

llvm-svn: 122660
 2011-01-01 19:54:22 +00:00
Chris Lattner
4651f8b037 implement the "no aliasing accesses in loop" safety check. This pass 
should be correct now.

llvm-svn: 122659
 2011-01-01 19:39:01 +00:00
Rafael Espindola
e223c0aa14 Fix PR8878. 
llvm-svn: 122658
 2011-01-01 19:05:35 +00:00
Duncan Sands
6569cc29d1 Correct a bunch of mistakes which meant that the example pass didn't 
even compile, let alone work.

llvm-svn: 122657
 2011-01-01 17:37:07 +00:00
Duncan Sands
621983efe9 I was unable to get the instructions to work if LLVM was built 
using a separate objects directory.

llvm-svn: 122656
 2011-01-01 17:28:49 +00:00
Duncan Sands
3ba8ee3552 Clarify that the loadable module turns up in the top-level directory, 
not locally.

llvm-svn: 122655
 2011-01-01 17:21:58 +00:00
Duncan Sands
ec8b2b4cc5 Fix a README item by having InstructionSimplify do a mild form of value 
numbering, in which it considers (for example) "%a = add i32 %x, %y" and
"%b = add i32 %x, %y" to be equal because the operands are equal and the
result of the instructions only depends on the values of the operands.
This has almost no effect (it removes 4 instructions from gcc-as-one-file),
and perhaps slows down compilation: I measured a 0.4% slowdown on the large
gcc-as-one-file testcase, but it wasn't statistically significant.

llvm-svn: 122654
 2011-01-01 16:12:09 +00:00
Che-Liang Chiou
a188cfb574 ptx: remove reg-reg addressing mode and st.const 
llvm-svn: 122653
 2011-01-01 11:58:58 +00:00
Che-Liang Chiou
995a853724 ptx: add store instruction 
llvm-svn: 122652
 2011-01-01 10:50:37 +00:00
Erick Tryzelaar
f6477b0a90 Add a reference to the OCamlLangImpl8. 
llvm-svn: 122651
 2011-01-01 03:29:25 +00:00
Erick Tryzelaar
5ac1b424f0 Add an OCaml tutorial page 8 
llvm-svn: 122650
 2011-01-01 03:27:43 +00:00
Oscar Fuentes
a63d0dbfbf Add to the list of cmake files the object file, not the asm file. This 
is necessary for executing the custom command that runs the
assember. Fixes PR8877.

llvm-svn: 122649
 2010-12-31 20:15:37 +00:00
Oscar Fuentes
2e6eb6e191 CMake (MSVC): cmake automatically adds the /EHsc and /GR compiler 
options. If we are building with exceptions/rtti disabled, we replace
/EHsc with /EHs-c- and /GR with /GR-, respectively. If we just add the
disabling options we get warnings like this:

cl : Command line warning D9025 : overriding '/EHs' with '/EHs-'

llvm-svn: 122648
 2010-12-31 19:10:49 +00:00
Duncan Sands
74270e8100 Simplify this pass by using a depth-first iterator to ensure that all 
operands are visited before the instructions themselves.

llvm-svn: 122647
 2010-12-31 17:49:05 +00:00
Duncan Sands
ca280dbcd5 Zap dead instructions harder. 
llvm-svn: 122645
 2010-12-31 16:17:54 +00:00
Benjamin Kramer
c84434924f Make a bunch of symbols internal. 
llvm-svn: 122642
 2010-12-30 22:34:44 +00:00
Nick Lewycky
5cb84ee2cf Add another non-commutable instruction that gas accepts commuted forms for. 
Fixes PR8861.

llvm-svn: 122641
 2010-12-30 22:10:49 +00:00
Che-Liang Chiou
f4aaa1b2e1 ptx: add state spaces 
llvm-svn: 122638
 2010-12-30 10:41:27 +00:00
Chris Lattner
f0e1e53e62 include the module identifier when emitting this warning, PR8865. 
llvm-svn: 122637
 2010-12-30 02:49:45 +00:00
Chris Lattner
f3912fd05b print the right string, thanks for Frits for noticing. 
llvm-svn: 122636
 2010-12-30 01:07:20 +00:00
Cameron Zwarich
ae468579bb Use getVRegDef() instead of def_iterator. This leads to fewer defs being added 
with 2-address instructions, for about a 3.5% speedup of StrongPHIElimination on
403.gcc.

llvm-svn: 122635
 2010-12-30 00:42:23 +00:00
Chris Lattner
8b738dffaa improve warning message to at least say what the triples are. 
llvm-svn: 122632
 2010-12-29 22:41:18 +00:00
Wesley Peck
5a551350c3 Fix stack layout error in MBlaze backend. 
llvm-svn: 122631
 2010-12-29 19:46:28 +00:00
Daniel Dunbar
9ee74282a6 MC/Mach-O/Thumb: Set the thumb bit in the symbol table. 
llvm-svn: 122630
 2010-12-29 14:14:06 +00:00
Cameron Zwarich
1e7124e6fa None of the other pass names in CodeGen have terminating periods. 
llvm-svn: 122628
 2010-12-29 11:49:10 +00:00
Cameron Zwarich
a7052a3c06 Instead of processing every instruction when splitting interferences, only 
process those instructions that define phi sources. This is a 47% speedup of
StrongPHIElimination compile time on 403.gcc.

llvm-svn: 122627
 2010-12-29 11:00:09 +00:00
Venkatraman Govindaraju
1f9ecea940 SPARC backend fix: correctly passing arguments through stack 
llvm-svn: 122626
 2010-12-29 05:37:15 +00:00
Cameron Zwarich
292870da06 Add a missing word to a comment. 
llvm-svn: 122625
 2010-12-29 04:42:39 +00:00
Rafael Espindola
7b1b3f5d82 Correctly encode pcrel|indirect. 
llvm-svn: 122624
 2010-12-29 04:31:26 +00:00
NAKAMURA Takumi
2160b3953b CMake: Add disabling optimization on MSVC8 and MSVC10 as workaround for some files in Target/ARM and Target/X86. 
llvm-svn: 122623
 2010-12-29 03:59:27 +00:00
NAKAMURA Takumi
4d8db8b43c autoconf: Add --disable-embed-stdcxx to suppress linking libstdc++.a into llvm.dll with --enable-shared on Cygming. 
Cygwin has stdc++.dll in it's distribution, and we can assume distro's stdc++.dll might be available.

llvm-svn: 122622
 2010-12-29 03:59:14 +00:00
NAKAMURA Takumi
ec5eb9ed74 autoconf: [PR7874] Add --disable-pthreads to suppress detecting pthreads on certain hosts. 
This would be needed to build pthread*.dll-free distribution on recent MinGW-MSYS distros.

llvm-svn: 122621
 2010-12-29 03:59:03 +00:00
NAKAMURA Takumi
68063487b1 test/Transforms/ConstProp/logicaltest.ll: FileCheck-ize. 
llvm-svn: 122620
 2010-12-29 03:58:56 +00:00
NAKAMURA Takumi
e16c40416e test/CodeGen/X86/negative-sin.ll: FileCheck-ize. 
llvm-svn: 122619
 2010-12-29 03:58:47 +00:00
NAKAMURA Takumi
d66bcf9ada test/CodeGen/X86/fp-in-intregs.ll: FileCheck-ize. 
llvm-svn: 122618
 2010-12-29 03:58:36 +00:00
Cameron Zwarich
6fc15ba38b Add text explaining an assertion. 
llvm-svn: 122617
 2010-12-29 03:52:51 +00:00
Rafael Espindola
ed7b5659d4 Remove second return. 
llvm-svn: 122616
 2010-12-29 02:42:33 +00:00
Rafael Espindola
0408a378e9 Fix bug when trying to output uint16_t or uint32_t. 
llvm-svn: 122615
 2010-12-29 02:30:49 +00:00
Rafael Espindola
d51ed1fc6a Implement cfi_def_cfa. Also don't convert to dwarf reg numbers twice. Looks 
like 6 is a fixed point of that and so the previous tests were OK :-)

llvm-svn: 122614
 2010-12-29 01:42:56 +00:00
Chris Lattner
2f774c1246 fix PR8867: a crash handling fp128. Thanks to Nick for the testcase. 
llvm-svn: 122613
 2010-12-29 01:33:36 +00:00
Rafael Espindola
257de5c4a2 Implement cfi_def_cfa_register. 
llvm-svn: 122612
 2010-12-29 00:26:06 +00:00
Rafael Espindola
061209eaf3 Initial .cfi_offset implementation. 
llvm-svn: 122611
 2010-12-29 00:09:59 +00:00
Cameron Zwarich
0fa638e27c Simplify some code in MachineVerifier that was doing the correct thing, but not 
in the most obvious way.

llvm-svn: 122610
 2010-12-28 23:45:38 +00:00
Rafael Espindola
d93ec3572d Don't produce a "DW_CFA_advance_loc 0". 
llvm-svn: 122609
 2010-12-28 23:38:03 +00:00
Cameron Zwarich
3eacb7fff8 Revert the optimization in r122596. It is correct for all current targets, but 
it relies on assumptions that may not be true in the future.

llvm-svn: 122608
 2010-12-28 23:02:56 +00:00