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Author SHA1 Message Date
Evan Cheng
b16d06f88a Fix typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130190 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-26 04:57:37 +00:00
Rafael Espindola
b28d4f152e Print all the moves at a given label instead of just the first one. 
Remove previous DwarfCFI hack.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130187 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-26 03:58:56 +00:00
Nick Lewycky
1790c9cbb6 Rename everything to follow LLVM style ... I think. 
Add support for switch and indirectbr edges. This works by densely numbering
all blocks which have such terminators, and then separately numbering the
possible successors. The predecessors write down a number, the successor knows
its own number (as a ConstantInt) and sends that and the pointer to the number
the predecessor wrote down to the runtime, who looks up the counter in a
per-function table.

Coverage data should now be functional, but I haven't tested it on anything
other than my 2-file synthetic test program for coverage.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130186 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-26 03:54:16 +00:00
Rafael Espindola
d88cac0a6e No relocation produces a SLEB or ULEB, make sure they are handled in MC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130181 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-26 02:17:58 +00:00
Chris Lattner
1f821512fc Enhance MemDep: When alias analysis returns a partial alias result, 
return it as a clobber.  This allows GVN to do smart things.

Enhance GVN to be smart about the case when a small load is clobbered
by a larger overlapping load.  In this case, forward the value.  This
allows us to compile stuff like this:

int test(void *P) {
  int tmp = *(unsigned int*)P;
  return tmp+*((unsigned char*)P+1);
}

into:

_test:                                  ## @test
	movl	(%rdi), %ecx
	movzbl	%ch, %eax
	addl	%ecx, %eax
	ret

which has one load.  We already handled the case where the smaller
load was from a must-aliased base pointer.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130180 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-26 01:21:15 +00:00
Devang Patel
0c99861836 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. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130178 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-26 00:12:46 +00:00
Devang Patel
9341d10f94 Rename a local variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130171 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-25 23:05:21 +00:00
Devang Patel
b865d46d95 Rename a method to match what it really does. 
s/addVariableAddress/addFrameVariableAddress/g


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130170 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-25 23:02:17 +00:00
Devang Patel
80925f5dca 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130167 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-25 22:52:55 +00:00
Dan Gohman
308bec390f Fix an iterator invalidation bug. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130166 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-25 22:48:29 +00:00
Eric Christopher
546c1ffe5f Make this test disable fast isel as it's not needed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130165 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-25 22:39:46 +00:00
Chris Lattner
607b8ebfb8 mark a large static table static. Pointed out by Michael Ilseman! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130160 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-25 22:14:33 +00:00
Chris Lattner
6311a55b9d Improve adherence to general style, use "foo_t &x" instead of "foo_t& x" 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130153 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-25 21:02:12 +00:00
Chris Lattner
e27c3ea2bc allow adding a FoldingSetNodeID to a FastFoldingSetNode, resolving PR9499, 
patch by Johannes Schaub!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130151 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-25 20:58:50 +00:00
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