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Author SHA1 Message Date
Dan Gohman
d3b13d1a68 Don't call clear() on DbgInfo when it's going to be deleted anyway. 
Don't replace the old DbgInfo with a new one when clear() on the
old one is sufficient.

llvm-svn: 106283
 2010-06-18 15:36:18 +00:00
Dan Gohman
e9dfb84007 Change UpdateNodeOperands' operand and return value from SDValue to 
SDNode *, since it doesn't care about the ResNo value.

llvm-svn: 106282
 2010-06-18 15:30:29 +00:00
Dan Gohman
e20e668c7e Remove getIntegerSCEV; it's redundant with getConstant, and getConstant 
is more consistent with the ConstantInt API.

llvm-svn: 106281
 2010-06-18 14:33:50 +00:00
Dan Gohman
9443053ec4 Delete unused variables. 
llvm-svn: 106280
 2010-06-18 14:32:32 +00:00
Dan Gohman
0b5b93b20d Eliminate unnecessary uses of getZExtValue(). 
llvm-svn: 106279
 2010-06-18 14:22:04 +00:00
Dan Gohman
22ff84372b isValueValidForType can be a static member function. 
llvm-svn: 106278
 2010-06-18 14:01:07 +00:00
Eric Christopher
e60cfc56b0 Some assorted isTwoAddress -> Constraints cleanup. 
llvm-svn: 106273
 2010-06-18 02:41:19 +00:00
Dan Gohman
7bd41176cc Handle execution entrypoints with non-integer return types. 
Fix from Russel Power in PR7284.

llvm-svn: 106271
 2010-06-18 02:01:10 +00:00
Dan Gohman
6c3d683d19 Don't write a file named "&1". 
llvm-svn: 106269
 2010-06-18 01:49:17 +00:00
Dan Gohman
e375e96f0d Disable indvars on loops when LoopSimplify form is not available. 
This fixes PR7333.

llvm-svn: 106267
 2010-06-18 01:35:11 +00:00
Dan Gohman
9d7cf23808 Don't maintain a set of deleted nodes; instead, use a HandleSDNode 
to track a node over CSE events. This fixes PR7368.

llvm-svn: 106266
 2010-06-18 01:24:29 +00:00
Bruno Cardoso Lopes
ea44492375 Add {mix,max}{ss,sd}{rr,rm} AVX forms. 
llvm-svn: 106264
 2010-06-18 01:12:56 +00:00
Dan Gohman
8185674354 Fold the ShrinkDemandedOps pass into the regular DAGCombiner pass, 
which is faster, simpler, and less surprising.

llvm-svn: 106263
 2010-06-18 01:05:21 +00:00
Dan Gohman
eab6b51039 Fix a typo in a comment. 
llvm-svn: 106260
 2010-06-18 00:53:08 +00:00
Chris Lattner
13d8fea770 improve portability to solaris 10, PR7380, patch by Simon Billingsley! 
llvm-svn: 106259
 2010-06-18 00:35:32 +00:00
Dan Gohman
57046ca982 Handle ext(ext(x)) -> ext(x) immediately, since it's simple. 
llvm-svn: 106256
 2010-06-18 00:08:30 +00:00
Dan Gohman
08da31dc83 Make this test less fragile. 
llvm-svn: 106255
 2010-06-18 00:06:03 +00:00
Dan Gohman
1d9d93381a Simplify this code. 
llvm-svn: 106254
 2010-06-17 23:34:09 +00:00
Bruno Cardoso Lopes
4cbdbd5501 Use new tablegen resources in SSE tablegen code. This will 
be done incrementally and intermixed with the adding of more
AVX instructions. This is a first step in that direction

llvm-svn: 106251
 2010-06-17 23:05:30 +00:00
Bruno Cardoso Lopes
417b376bd2 In case Rec is a definition and not a class, do the proper comparison! 
llvm-svn: 106246
 2010-06-17 23:00:16 +00:00
Stuart Hastings
bd7194d21c Add a DebugLoc parameter to TargetInstrInfo::InsertBranch(). This 
addresses a longstanding deficiency noted in many FIXMEs scattered
across all the targets.

This effectively moves the problem up one level, replacing eleven
FIXMEs in the targets with eight FIXMEs in CodeGen, plus one path
through FastISel where we actually supply a DebugLoc, fixing Radar
7421831.

llvm-svn: 106243
 2010-06-17 22:43:56 +00:00
Dan Gohman
40c17ca0db Minor clarification. 
llvm-svn: 106234
 2010-06-17 19:23:50 +00:00
Jim Grosbach
ac23214fd8 add missing break. inconsequential as the code shouldn't be reached, but 
for correctness' sake, it should be there.

llvm-svn: 106229
 2010-06-17 17:58:54 +00:00
Jim Grosbach
99b7091d9d Add entries for Expanding atomic intrinsics to libcalls. Just a placeholder 
for the moment. The implementation of the libcall will follow.

Currently, the llvm-gcc knows when the intrinsics can be correctly handled by
the back end and only generates them in those cases, issuing libcalls directly
otherwise. That's too much coupling. The intrinsics should always be
generated and the back end decide how to handle them, be it with a libcall,
inline code, or whatever. This patch is a step in that direction.

rdar://8097623

llvm-svn: 106227
 2010-06-17 17:50:54 +00:00
Dale Johannesen
6b62a54841 Testcase for llvm-gcc 106225. 
llvm-svn: 106226
 2010-06-17 17:43:14 +00:00
Rafael Espindola
d7a63bead9 Remove arm_apcscc from the test files. It is the default and doing this 
matches what llvm-gcc and clang now produce.

llvm-svn: 106221
 2010-06-17 15:18:27 +00:00
Douglas Gregor
5d2a26361d Allow absolute paths in LLVM_TARGET_DEFINITIONS for CMake's TableGen rule 
llvm-svn: 106219
 2010-06-17 15:17:07 +00:00
Nate Begeman
b94f5f1d97 Modify tablegen to support generating all NEON code used by clang at once. 
llvm-svn: 106207
 2010-06-17 04:15:13 +00:00
Jim Grosbach
f3f401f911 Thumb1 and any pre-v6 ARM target should use the libcall expansion of 
ISD::MEMBARRIER. v7 and v7 ARM mode continue to use the custom lowering.

llvm-svn: 106204
 2010-06-17 02:02:03 +00:00
Jim Grosbach
0cdb6c563a ISD::MEMBARRIER should lower to a libcall (__sync_synchronize) if the target 
sets the legalize action to Expand.

llvm-svn: 106203
 2010-06-17 02:00:53 +00:00
Bruno Cardoso Lopes
bb6aa785be Fix the handling of !if result, avoiding null results for non 'int'. 
llvm-svn: 106201
 2010-06-17 01:50:39 +00:00
Jim Grosbach
8d77e0298c simplify code a bit and add a more explanatory assert for cases that 
previously would result in 'cannot yet select' errors.

llvm-svn: 106199
 2010-06-17 01:37:00 +00:00
Jason Molenda
830bbc15f4 Add the entire range of DW_OP_lit[0..31], DW_OP_reg[0..31], and 
DW_OP_breg[0..31] to Dwarf.h.

Add "DW_" prefix to the llvm::dwarf::*String methods which did not
already have them in Dwarf.cpp.

llvm-svn: 106197
 2010-06-17 01:23:24 +00:00
Eric Christopher
bb75081f00 Hack to let the move lowering handle dynamic-no-pic absolute moves of 
TLVP:

movl _a@TLVP, %eax

Daniel: Please review if you get a chance.
llvm-svn: 106194
 2010-06-17 00:51:48 +00:00
Eric Christopher
b92292eb08 Update comment. 
llvm-svn: 106191
 2010-06-17 00:49:46 +00:00
Bruno Cardoso Lopes
e05b953fcd For a tablegen expression such as !if(a,b,c), let 'a' 
be evaluated for 'bit' operators

llvm-svn: 106185
 2010-06-17 00:31:36 +00:00
Alexis Hunt
3d6b8fba2f Fix the typo in my previous one-line commit. 
llvm-svn: 106179
 2010-06-17 00:10:16 +00:00
Alexis Hunt
a2dbaedfe6 Make sure CMake can build the files added by my previous commit. 
llvm-svn: 106178
 2010-06-16 23:52:37 +00:00
Alexis Hunt
146bbb1662 Add preliminary clang attribute generation support. 
The attribute class generation support is still somewhat limited.
See the accompanying clang commit for more details.

llvm-svn: 106174
 2010-06-16 23:45:50 +00:00
Jim Grosbach
b5bea8fdba format and 80-column cleanup 
llvm-svn: 106173
 2010-06-16 23:45:49 +00:00
Bruno Cardoso Lopes
de4632839c let the '!eq' expression support 'int' and 'bit' types 
llvm-svn: 106171
 2010-06-16 23:24:12 +00:00
Jim Grosbach
f5107a8ada remove trailing whitespace 
llvm-svn: 106164
 2010-06-16 22:41:09 +00:00
Douglas Gregor
48c6838611 Revert r106117, which was the result of me misreading the C++98/03 
specification.

llvm-svn: 106162
 2010-06-16 22:32:18 +00:00
Jakob Stoklund Olesen
a97220ab96 Don't attempt preserving conservative kill flags. We were doing it wrong. 
This is before LiveVariables anyway, where these kill flags are recalculated.

llvm-svn: 106157
 2010-06-16 22:11:08 +00:00
Bob Wilson
d81a716d59 Remove the hidden "neon-reg-sequence" option. The reg sequences are working 
now, so there's no need to disable them.

llvm-svn: 106155
 2010-06-16 21:34:01 +00:00
Eric Christopher
9c56c0a851 In progress on 32-bit addends. 
llvm-svn: 106154
 2010-06-16 21:32:38 +00:00
Jakob Stoklund Olesen
4f5d1d7004 Allow a register to be redefined multiple times in a basic block. 
LiveVariableAnalysis was a bit picky about a register only being redefined once,
but that really isn't necessary.

Here is an example of chained INSERT_SUBREGs that we can handle now:

68      %reg1040<def> = INSERT_SUBREG %reg1040, %reg1028<kill>, 14
                register: %reg1040 +[70,134:0)
76      %reg1040<def> = INSERT_SUBREG %reg1040, %reg1029<kill>, 13
                register: %reg1040 replace range with [70,78:1) RESULT: %reg1040,0.000000e+00 = [70,78:1)[78,134:0)  0@78-(134) 1@70-(78)
84      %reg1040<def> = INSERT_SUBREG %reg1040, %reg1030<kill>, 12
                register: %reg1040 replace range with [78,86:2) RESULT: %reg1040,0.000000e+00 = [70,78:1)[78,86:2)[86,134:0)  0@86-(134) 1@70-(78) 2@78-(86)
92      %reg1040<def> = INSERT_SUBREG %reg1040, %reg1031<kill>, 11
                register: %reg1040 replace range with [86,94:3) RESULT: %reg1040,0.000000e+00 = [70,78:1)[78,86:2)[86,94:3)[94,134:0)  0@94-(134) 1@70-(78) 2@78-(86) 3@86-(94)

rdar://problem/8096390

llvm-svn: 106152
 2010-06-16 21:29:40 +00:00
Jim Grosbach
67b46d6303 A few more places where SCEVExpander bits need to skip over debug intrinsics 
when iterating through instructions. Yet more work for rdar://7797940

llvm-svn: 106149
 2010-06-16 21:13:38 +00:00
Jim Grosbach
02a6b7e02e modify so the test doesn't drop an output file in the test source directory. 
The test should also likely have some FileCheck bits to validate the
output(?).

llvm-svn: 106146
 2010-06-16 21:07:06 +00:00
Daniel Dunbar
15c2792d21 MC/Mach-O: Rewrite atom association to be a final pass we do in Finish(), instead of tracking as part of emission. 
- This allows sharing more code with the MCObjectStreamer.

llvm-svn: 106143
 2010-06-16 20:04:32 +00:00