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Author SHA1 Message Date
Chris Lattner
ed0318eab8 add a missed bitfield instcombine. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130137 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-25 18:44:26 +00:00
Akira Hatanaka
f48eb533d5 Lower BlockAddress node when relocation-model is static. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130131 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-25 17:10:45 +00:00
Devang Patel
06104e3743 A dbg.declare may not be in entry block, even if it is referring to an incoming argument. However, It is appropriate to emit DBG_VALUE referring to this incoming argument in entry block in MachineFunction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130129 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-25 16:33:52 +00:00
Benjamin Kramer
a42a757176 Make tests more useful. 
lit needs a linter ...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130126 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-25 10:12:01 +00:00
Chandler Carruth
a4a2a03c31 Remove some hard coded CR-LFs. Some of these were the entire files, one of 
these was just one line of a file. Explicitly set the eol-style property on the
files to try and ensure this fix stays.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130125 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-25 07:11:23 +00:00
Duncan Sands
d03bcc1364 Fix comment typo. Noticed by Liu. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130120 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-25 06:21:43 +00:00
Rafael Espindola
e54e785be5 Simplify the logic. Noticed by aKor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130116 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-24 19:55:34 +00:00
Rafael Espindola
7ed6732447 Synchronize the conditions for producing a .cfi_startproc and a .cfi_endproc. 
Fixes PR9787.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130115 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-24 19:00:34 +00:00
Sebastian Redl
dac4b9267b Fix Target/ARM/Thumb1FrameLowering.h header guard. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130097 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-24 15:47:01 +00:00
Sebastian Redl
69ffd7ad14 Give MC/MCDisassembler/Disassembler.h a header guard. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130096 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-24 15:46:56 +00:00
Sebastian Redl
6796e4fc88 Give SplitKit.h a header guard. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130095 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-24 15:46:51 +00:00
Sebastian Redl
f462ab431f Give ImmutableIntervalMap.h an include guard. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130094 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-24 15:46:46 +00:00
Jay Foad
61717b3d94 Fix an assert to check exactly what it says. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130093 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-24 14:30:00 +00:00
Mikhail Glushenkov
4e699cf518 Add a TODO. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130092 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-24 14:17:41 +00:00
Mikhail Glushenkov
fb88665d97 Regenerate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130091 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-24 14:17:37 +00:00
Mikhail Glushenkov
834b93b51d Remove all references to plugins from the LLVMC docs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130090 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-24 14:17:32 +00:00
Jay Foad
685501836b PR9214: Convert the DIBuilder API to use ArrayRef. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130086 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-24 10:11:03 +00:00
Jay Foad
ddcdcc8863 Remove unused STL header includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130068 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-23 19:53:52 +00:00
Jay Foad
a0f5092703 Like the coding standards say, do not use "using namespace std". 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130054 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-23 09:06:00 +00:00
Benjamin Kramer
20115617d4 Silence an overzealous uninitialized variable warning from GCC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130053 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-23 08:21:06 +00:00
Andrew Trick
83eb906906 Accidental function name mangling. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130050 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-23 04:08:15 +00:00
Andrew Trick
1c3af779fc Thumb2 and ARM add/subtract with carry fixes. 
Fixes Thumb2 ADCS and SBCS lowering: <rdar://problem/9275821>.
t2ADCS/t2SBCS are now pseudo instructions, consistent with ARM, so the
assembly printer correctly prints the 's' suffix.

Fixes Thumb2 adde -> SBC matching to check for live/dead carry flags.

Fixes the internal ARM machine opcode mnemonic for ADCS/SBCS.
Fixes ARM SBC lowering to check for live carry (potential bug).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130048 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-23 03:55:32 +00:00
Andrew Trick
1611bcd6ac Comment edit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130047 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-23 03:27:19 +00:00
Andrew Trick
5adfba283d whitespace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130046 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-23 03:24:11 +00:00
NAKAMURA Takumi
f5af6ada3b docs: Introduce cascading style <div> and <p> continued on <h[2-5]>. 
<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>

FIXME: Care H5 better.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130040 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-23 00:30:22 +00:00
NAKAMURA Takumi
624dc1d4ab test/CodeGen/X86/shrink-compare.ll: Relax expressions for Win64. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130039 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-23 00:15:45 +00:00
Owen Anderson
d74ea775af Teach FastISel to deal with instructions that have two immediate operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130033 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-22 23:38:06 +00:00
Devang Patel
5e06bb83f4 Let front-end tie subprogram declaration with subprogram definition directly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130028 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-22 23:10:17 +00:00
Eric Christopher
3728b4ad8b Fix comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130027 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-22 23:08:45 +00:00
Jakob Stoklund Olesen
200729882a Always compare the cost of region splitting with the cost of per-block splitting. 
Sometimes it is better to split per block, and we missed those cases.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130025 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-22 22:47:40 +00:00
Mikhail Glushenkov
3335a99fe8 The .inc file is auto-generated and must not be edited by hand. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130021 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-22 22:05:29 +00:00
Chris Lattner
b686af053e Recommit the fix for rdar://9289512 with a couple tweaks to 
fix bugs exposed by the gcc dejagnu testsuite:
1. The load may actually be used by a dead instruction, which
   would cause an assert.
2. The load may not be used by the current chain of instructions,
   and we could move it past a side-effecting instruction. Change
   how we process uses to define the problem away.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130018 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-22 21:59:37 +00:00
Johnny Chen
597fa65373 Disassembly of A8.6.59 LDR (literal) Encoding T1 (16-bit thumb instruction) should 
print out ldr, not ldr.n.

rdar://problem/9267772


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130008 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-22 19:12:43 +00:00
Benjamin Kramer
e7cf062537 DAGCombine: fold "(zext x) == C" into "x == (trunc C)" if the trunc is lossless. 
On x86 this allows to fold a load into the cmp, greatly reducing register pressure.
  movzbl	(%rdi), %eax
  cmpl	$47, %eax
->
  cmpb	$47, (%rdi)

This shaves 8k off gcc.o on i386. I'll leave applying the patch in README.txt to Chris :)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130005 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-22 18:47:44 +00:00
Devang Patel
eac0c9dc77 Do not leak argument's DbgVariables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130004 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-22 18:09:57 +00:00
Devang Patel
0a6ea83f39 Add asserts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129995 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-22 16:44:29 +00:00
Benjamin Kramer
b20a8fc8a6 X86: Try to use a smaller encoding by transforming (X << C1) & C2 into (X & (C2 >> C1)) & C1. (Part of PR5039) 
This tends to happen a lot with bitfield code generated by clang. A simple example for x86_64 is
uint64_t foo(uint64_t x) { return (x&1) << 42; }
which used to compile into bloated code:
	shlq	$42, %rdi               ## encoding: [0x48,0xc1,0xe7,0x2a]
	movabsq	$4398046511104, %rax    ## encoding: [0x48,0xb8,0x00,0x00,0x00,0x00,0x00,0x04,0x00,0x00]
	andq	%rdi, %rax              ## encoding: [0x48,0x21,0xf8]
	ret                             ## encoding: [0xc3]

with this patch we can fold the immediate into the and:
	andq	$1, %rdi                ## encoding: [0x48,0x83,0xe7,0x01]
	movq	%rdi, %rax              ## encoding: [0x48,0x89,0xf8]
	shlq	$42, %rax               ## encoding: [0x48,0xc1,0xe0,0x2a]
	ret                             ## encoding: [0xc3]

It's possible to save another byte by using 'andl' instead of 'andq' but I currently see no way of doing
that without making this code even more complicated. See the TODOs in the code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129990 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-22 15:30:40 +00:00
Frits van Bommel
eab631362d Comment out some unused parameter names to silence out-of-tree -Wunused warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129988 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-22 11:36:45 +00:00
Eric Christopher
f4b2f933a9 Use enums for constant values. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129984 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-22 06:34:01 +00:00
Eric Christopher
9ab1d7f9b2 Make the file format strings a little prettier for mach-o. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129980 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-22 04:08:58 +00:00
Eric Christopher
860d7e182a Add MachOObjectFile.cpp to cmake. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129978 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-22 04:06:24 +00:00
Eric Christopher
ea7e13eded Hook in mach-o object files into Object interface. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129976 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-22 03:50:50 +00:00
Eric Christopher
f0c3af637a Add support for 64-bit object files to Path. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129975 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-22 03:50:19 +00:00
Eric Christopher
6256b03674 Add an ObjectFile implementation for mach-o. 
Patch by Patrick Walton!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129974 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-22 03:19:48 +00:00
Eric Christopher
bb498ca5c2 80-col fix. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129973 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-22 03:07:06 +00:00
NAKAMURA Takumi
d94d8468c9 include/llvm/Target/TargetAsmInfo.h: Fix a warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129972 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-22 01:56:59 +00:00
Evan Cheng
db6cbe1ff1 In Thumb2 mode, lower frame indix references to: 
add <rd>, sp, #<imm8>
ldr <rd>, [sp, #<imm8>]
When the offset from sp is multiple of 4 and in range of 0-1020.
This saves code size by utilizing 16-bit instructions.

rdar://9321541


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129971 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-22 01:42:52 +00:00
Evan Cheng
d8a1624122 Typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129970 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-22 01:40:20 +00:00
Chandler Carruth
add2944559 Delete the other unused variable in this function. Sorry I missed this 
the first time through.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129969 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-22 01:29:18 +00:00
Chandler Carruth
32bd250d30 Remove an unused variable from a function. This is a likely cut-paste-o. 
Silences GCC warning.

I wonder why Clang doesn't warn on this...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129968 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-22 01:21:06 +00:00