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Author SHA1 Message Date
Chris Lattner
74681fab91 some random cleanups, no functionality change. 
llvm-svn: 130237
 2011-04-26 20:02:45 +00:00
Chris Lattner
b8cedffb8d add an m_ConstantInt matching predicate that binds to a uint64_t, and add an m_OneUse() 
predicate that matches if the subexpr has a single use.

llvm-svn: 130235
 2011-04-26 19:50:39 +00:00
Jim Grosbach
77d45564c3 ARM and Thumb2 support for atomic MIN/MAX/UMIN/UMAX loads. 
rdar://9326019

llvm-svn: 130234
 2011-04-26 19:44:18 +00:00
Rafael Espindola
e238ffe4ba Print the label if we will use it in debug_frame. 
llvm-svn: 130232
 2011-04-26 19:26:53 +00:00
Devang Patel
09b1585aac Refactor code. Keep dwarf register operation selection logic at one place. 
llvm-svn: 130231
 2011-04-26 19:06:18 +00:00
Jakob Stoklund Olesen
c9cf507d93 Use the new TRI->getLargestLegalSuperClass hook to constrain register class inflation. 
This has two effects: 1. We never inflate to a larger register class than what
the sub-target can handle. 2. Completely unconstrained virtual registers get the
largest possible register class.

llvm-svn: 130229
 2011-04-26 18:52:36 +00:00
Jakob Stoklund Olesen
7a2dca07a8 Add a TRI::getLargestLegalSuperClass hook to provide an upper limit on register class inflation. 
The hook will be used by the register allocator when recomputing register
classes after removing constraints.

Thumb1 code doesn't allow anything larger than tGPR, and x86 needs to ensure
that the spill size doesn't change.

llvm-svn: 130228
 2011-04-26 18:52:33 +00:00
Benjamin Kramer
249006aad2 Force a triple on this test to unbreak windows buildbots. 
llvm-svn: 130226
 2011-04-26 18:47:43 +00:00
Devang Patel
b906474102 Fix an off by one error while accessing complex address element of a DIVariable. 
This worked untill now because stars are aligned (i.e. num of complex address elments are always 0 or 2+ and when it is 2+ at least two elements are access together)

llvm-svn: 130225
 2011-04-26 18:24:39 +00:00
Chris Lattner
a43e6b57a4 Improve the bail-out predicate to really only kick in when phi 
translation fails.  We were bailing out in some cases that would
cause us to miss GVN'ing some non-local cases away.

llvm-svn: 130206
 2011-04-26 17:41:02 +00:00
Dan Gohman
fbb7ade7ae Fast-isel support for simple inline asms. 
llvm-svn: 130205
 2011-04-26 17:18:34 +00:00
Oscar Fuentes
246a11f21c Honor LLVM_BUILD_RUNTIME. 
llvm-svn: 130199
 2011-04-26 14:55:27 +00:00
Rafael Espindola
7503d15062 Add test for PR9743. 
llvm-svn: 130198
 2011-04-26 14:17:42 +00:00
Duncan Sands
45fa6cfbf4 Another example of a static table that wasn't marked static. 
llvm-svn: 130193
 2011-04-26 07:30:10 +00:00
Chris Lattner
37fec9f729 don't emit the symbol name twice for local bss and common 
symbols.  For example, don't emit:
        .comm   _i,4,2                  ## @i
                                        ## @i

instead emit:
        .comm   _i,4,2                  ## @i

llvm-svn: 130192
 2011-04-26 06:14:13 +00:00
Nick Lewycky
6a72236e5f Add cmakefiles to build profile_rt.so! 
llvm-svn: 130191
 2011-04-26 05:48:41 +00:00
Evan Cheng
73a9ae3388 Fix typo 
llvm-svn: 130190
 2011-04-26 04:57:37 +00:00
Rafael Espindola
59c3a084c6 Print all the moves at a given label instead of just the first one. 
Remove previous DwarfCFI hack.

llvm-svn: 130187
 2011-04-26 03:58:56 +00:00
Nick Lewycky
d4d9c257e0 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.

llvm-svn: 130186
 2011-04-26 03:54:16 +00:00
Rafael Espindola
c115df57cc No relocation produces a SLEB or ULEB, make sure they are handled in MC. 
llvm-svn: 130181
 2011-04-26 02:17:58 +00:00
Chris Lattner
bad294615e 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.

llvm-svn: 130180
 2011-04-26 01:21:15 +00:00
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