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Author SHA1 Message Date
Devang Patel
4969322bc4 Let dwarf writer allocate extra space in the debug location expression. This space, if requested, will be used for complex addresses of the Blocks' variables. 
llvm-svn: 130178
 2011-04-26 00:12:46 +00:00
Devang Patel
3da97b7d34 Rename a local variable. 
llvm-svn: 130171
 2011-04-25 23:05:21 +00:00
Devang Patel
e28211b031 Rename a method to match what it really does. 
s/addVariableAddress/addFrameVariableAddress/g

llvm-svn: 130170
 2011-04-25 23:02:17 +00:00
Devang Patel
b1b33d6569 Do not drop a variable's complex address if it is not based on frame base. 
Observed this while reading code, so I do not have a test case handy here.

llvm-svn: 130167
 2011-04-25 22:52:55 +00:00
Dan Gohman
6ff1c50bb5 Fix an iterator invalidation bug. 
llvm-svn: 130166
 2011-04-25 22:48:29 +00:00
Eric Christopher
2fbd7a6280 Make this test disable fast isel as it's not needed. 
llvm-svn: 130165
 2011-04-25 22:39:46 +00:00
Chris Lattner
efcac8f9f0 mark a large static table static. Pointed out by Michael Ilseman! 
llvm-svn: 130160
 2011-04-25 22:14:33 +00:00
Chris Lattner
e2e476dbdd Improve adherence to general style, use "foo_t &x" instead of "foo_t& x" 
llvm-svn: 130153
 2011-04-25 21:02:12 +00:00
Chris Lattner
75652009a0 allow adding a FoldingSetNodeID to a FastFoldingSetNode, resolving PR9499, 
patch by Johannes Schaub!

llvm-svn: 130151
 2011-04-25 20:58:50 +00:00
Chris Lattner
35166f3b22 add a missed bitfield instcombine. 
llvm-svn: 130137
 2011-04-25 18:44:26 +00:00
Akira Hatanaka
59b356bcc3 Lower BlockAddress node when relocation-model is static. 
llvm-svn: 130131
 2011-04-25 17:10:45 +00:00
Devang Patel
83eac5e134 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. 
llvm-svn: 130129
 2011-04-25 16:33:52 +00:00
Benjamin Kramer
b2992c34b5 Make tests more useful. 
lit needs a linter ...

llvm-svn: 130126
 2011-04-25 10:12:01 +00:00
Chandler Carruth
74094b8d4a 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.

llvm-svn: 130125
 2011-04-25 07:11:23 +00:00
Duncan Sands
e4e802432c Fix comment typo. Noticed by Liu. 
llvm-svn: 130120
 2011-04-25 06:21:43 +00:00
Rafael Espindola
a14f5303dd Simplify the logic. Noticed by aKor. 
llvm-svn: 130116
 2011-04-24 19:55:34 +00:00
Rafael Espindola
8c824c73b6 Synchronize the conditions for producing a .cfi_startproc and a .cfi_endproc. 
Fixes PR9787.

llvm-svn: 130115
 2011-04-24 19:00:34 +00:00
Sebastian Redl
ef01c3c33f Fix Target/ARM/Thumb1FrameLowering.h header guard. 
llvm-svn: 130097
 2011-04-24 15:47:01 +00:00
Sebastian Redl
0d36a0b806 Give MC/MCDisassembler/Disassembler.h a header guard. 
llvm-svn: 130096
 2011-04-24 15:46:56 +00:00
Sebastian Redl
5fea40be23 Give SplitKit.h a header guard. 
llvm-svn: 130095
 2011-04-24 15:46:51 +00:00
Sebastian Redl
69f3b52528 Give ImmutableIntervalMap.h an include guard. 
llvm-svn: 130094
 2011-04-24 15:46:46 +00:00
Jay Foad
cd76fe8e21 Fix an assert to check exactly what it says. 
llvm-svn: 130093
 2011-04-24 14:30:00 +00:00
Mikhail Glushenkov
e2c4cc8224 Add a TODO. 
llvm-svn: 130092
 2011-04-24 14:17:41 +00:00
Mikhail Glushenkov
0d5d2e214c Regenerate. 
llvm-svn: 130091
 2011-04-24 14:17:37 +00:00
Mikhail Glushenkov
37d5b582ea Remove all references to plugins from the LLVMC docs. 
llvm-svn: 130090
 2011-04-24 14:17:32 +00:00
Jay Foad
bda0742eef PR9214: Convert the DIBuilder API to use ArrayRef. 
llvm-svn: 130086
 2011-04-24 10:11:03 +00:00
Jay Foad
c146569beb Remove unused STL header includes. 
llvm-svn: 130068
 2011-04-23 19:53:52 +00:00
Jay Foad
9547cc903c Like the coding standards say, do not use "using namespace std". 
llvm-svn: 130054
 2011-04-23 09:06:00 +00:00
Benjamin Kramer
fee48a936f Silence an overzealous uninitialized variable warning from GCC. 
llvm-svn: 130053
 2011-04-23 08:21:06 +00:00
Andrew Trick
f85b5360a8 Accidental function name mangling. 
llvm-svn: 130050
 2011-04-23 04:08:15 +00:00
Andrew Trick
a130d110d1 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).

llvm-svn: 130048
 2011-04-23 03:55:32 +00:00
Andrew Trick
db92825944 Comment edit. 
llvm-svn: 130047
 2011-04-23 03:27:19 +00:00
Andrew Trick
31c7962ce5 whitespace 
llvm-svn: 130046
 2011-04-23 03:24:11 +00:00
NAKAMURA Takumi
ada5cc7c01 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.
llvm-svn: 130040
 2011-04-23 00:30:22 +00:00
NAKAMURA Takumi
6efe7518bf test/CodeGen/X86/shrink-compare.ll: Relax expressions for Win64. 
llvm-svn: 130039
 2011-04-23 00:15:45 +00:00
Owen Anderson
e1b33b92a3 Teach FastISel to deal with instructions that have two immediate operands. 
llvm-svn: 130033
 2011-04-22 23:38:06 +00:00
Devang Patel
929bbb6bf9 Let front-end tie subprogram declaration with subprogram definition directly. 
llvm-svn: 130028
 2011-04-22 23:10:17 +00:00
Eric Christopher
4de9ef5cf7 Fix comment. 
llvm-svn: 130027
 2011-04-22 23:08:45 +00:00
Jakob Stoklund Olesen
0dcf650f0a 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.

llvm-svn: 130025
 2011-04-22 22:47:40 +00:00
Mikhail Glushenkov
d744ade563 The .inc file is auto-generated and must not be edited by hand. 
llvm-svn: 130021
 2011-04-22 22:05:29 +00:00
Chris Lattner
d9c0db9bd7 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.

llvm-svn: 130018
 2011-04-22 21:59:37 +00:00
Johnny Chen
dfac31bc1b Disassembly of A8.6.59 LDR (literal) Encoding T1 (16-bit thumb instruction) should 
print out ldr, not ldr.n.

rdar://problem/9267772

llvm-svn: 130008
 2011-04-22 19:12:43 +00:00
Benjamin Kramer
f6eab5f86e 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 :)

llvm-svn: 130005
 2011-04-22 18:47:44 +00:00
Devang Patel
6aac901f77 Do not leak argument's DbgVariables. 
llvm-svn: 130004
 2011-04-22 18:09:57 +00:00
Devang Patel
ee6cdc52e0 Add asserts. 
llvm-svn: 129995
 2011-04-22 16:44:29 +00:00
Benjamin Kramer
7feae20986 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.

llvm-svn: 129990
 2011-04-22 15:30:40 +00:00
Frits van Bommel
20f0d49a4a Comment out some unused parameter names to silence out-of-tree -Wunused warnings. 
llvm-svn: 129988
 2011-04-22 11:36:45 +00:00
Eric Christopher
dbe03d6412 Use enums for constant values. 
llvm-svn: 129984
 2011-04-22 06:34:01 +00:00
Eric Christopher
f48677a625 Make the file format strings a little prettier for mach-o. 
llvm-svn: 129980
 2011-04-22 04:08:58 +00:00
Eric Christopher
c134a52f40 Add MachOObjectFile.cpp to cmake. 
llvm-svn: 129978
 2011-04-22 04:06:24 +00:00