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37996 Commits

Author SHA1 Message Date
Dan Gohman
744e2b34b0 Revert 101825, which is causing trouble. 
llvm-svn: 101832
 2010-04-19 23:34:15 +00:00
Dan Gohman
60e18d1d07 Make BreakAntiDependencies' SUnits argument const, and make the Begin 
and End arguments by-value rather than by-reference.

llvm-svn: 101830
 2010-04-19 23:11:58 +00:00
Johnny Chen
2d0dca9099 Better error handling of invalid IT mask '0000', instead of just asserting. 
llvm-svn: 101827
 2010-04-19 23:02:58 +00:00
Dan Gohman
94383f9d34 Eliminate SelectionDAGISel's "current block" member. Just pass it as 
an argument to things that need it.

llvm-svn: 101825
 2010-04-19 22:51:14 +00:00
Dan Gohman
45789ce594 Delete an unnecessary reference to SelectionDAGISel::BB. 
llvm-svn: 101824
 2010-04-19 22:48:45 +00:00
Dan Gohman
b02e2f6c92 Eliminate the CurMBB member from SelectionDAGBuilder. For places that 
need it, just pass around the parent block of the current instruction
explicitly.

llvm-svn: 101822
 2010-04-19 22:41:47 +00:00
Dan Gohman
e52396cb52 Remove the Expr member from IVUsers. Instead of remembering the expression, 
just ask ScalarEvolution for it on demand. This helps IVUsers be more robust
in the case of expressions changing underneath it. This fixes PR6862.

llvm-svn: 101819
 2010-04-19 21:48:58 +00:00
Johnny Chen
fe24cdbba8 According to A8.6.16 B (Encoding T3) and A8.3 Conditional execution -- A8.3.1 
Pseudocode details of conditional, Condition bits '111x' indicate the
instruction is always executed.  That is, '1111' is a leagl condition field
value, which is now mapped to ARMCC::AL.

Also add a test case for condition field '1111'.

llvm-svn: 101817
 2010-04-19 21:19:52 +00:00
Devang Patel
2a21d92744 Fix typo. add a test case. 
llvm-svn: 101812
 2010-04-19 20:31:39 +00:00
Evan Cheng
8efe9e0351 More progress on promoting i16 operations to i32 for x86. Work in progress. 
llvm-svn: 101808
 2010-04-19 19:29:22 +00:00
Dan Gohman
6bcd9dabb7 Give SelectionDAG a TargetMachine too, rather than having it 
fetch one from the MachineFunction.

llvm-svn: 101807
 2010-04-19 19:22:07 +00:00
Evan Cheng
d65a23c1e6 More 80 col violation. 
llvm-svn: 101806
 2010-04-19 19:17:44 +00:00
Devang Patel
06123c1012 Add DW_AT_APPLE_omit_frame_ptr to encode -fomit-frame-pointer flag. 
llvm-svn: 101805
 2010-04-19 19:14:02 +00:00
Dan Gohman
f1f21fb3c6 Code that needs a TargetMachine should have access to one directly, rather 
than just getting one through a TargetLowering.

llvm-svn: 101802
 2010-04-19 19:05:59 +00:00
Dan Gohman
3c58144bfd Move isInTailCallPosition out of SelectionDAGBuilder, as it isn't 
SelectionDAG-specific.

llvm-svn: 101801
 2010-04-19 18:41:46 +00:00
Dan Gohman
caa827af2c This doesn't need SmallVector.h anymore. 
llvm-svn: 101790
 2010-04-19 17:51:31 +00:00
Johnny Chen
b386de1758 Better error-handling for DisassembleThumb2DPSoReg() where the 3-reg operand 
instructions should have Rd (Inst{11-8}) != 0b1111.

Ref: A6.3 32-bit Thumb instruction encoding
     A6.3.11 Data-processing (shifted register)
llvm-svn: 101788
 2010-04-19 17:16:40 +00:00
Dan Gohman
ede59ecfbb Fix this for std::vectors which don't have .data(). 
llvm-svn: 101785
 2010-04-19 16:33:28 +00:00
Johnny Chen
091c01cb2f ARM disassembler did not react to recent changes to the NEON instruction table. 
VLD1q*_UPD and VST1q*_UPD have the ${dst:dregpair} operand now.

llvm-svn: 101784
 2010-04-19 16:20:34 +00:00
Benjamin Kramer
96b4f6c003 Don't write into MemoryBuffers. 
llvm-svn: 101783
 2010-04-19 16:15:31 +00:00
Dan Gohman
e2e1b9063a Fix -Wcast-qual warnings. 
llvm-svn: 101782
 2010-04-19 15:55:10 +00:00
Dan Gohman
735c177251 Revert 91528 and use a std::vector instead, fixing an abuse of std::string. 
llvm-svn: 101781
 2010-04-19 15:54:44 +00:00
Dan Gohman
f2998652a8 Fix -Wcast-qual warnings. 
llvm-svn: 101779
 2010-04-19 15:42:05 +00:00
Anton Korobeynikov
dc153b7539 Add missed part of prev. commit 
llvm-svn: 101755
 2010-04-18 20:41:42 +00:00
Anton Korobeynikov
e325c693a5 Make processor FUs unique for given itinerary. This extends the limit of 32 
FU per CPU arch to 32 per intinerary allowing precise modelling of quite
complex pipelines in the future.

llvm-svn: 101754
 2010-04-18 20:31:01 +00:00
Chris Lattner
746abd86e7 avoid temporary std::string in non posix_spawn path. 
llvm-svn: 101723
 2010-04-18 17:34:10 +00:00
Benjamin Kramer
2cade0b3ff Eliminate temporary string. 
llvm-svn: 101711
 2010-04-18 09:19:41 +00:00
Benjamin Kramer
6f6354213f Properly inherit the environment on darwin where environ is not available for shared libraries. 
llvm-svn: 101710
 2010-04-18 09:16:04 +00:00
Nick Lewycky
152b2bc046 This is horrible. Split the difference, and declare 'environ' on all non-Darwin 
platforms to unbreak the darwin and linux builds. The BSD folks should feel
free to change the #if, if this breaks them.

llvm-svn: 101703
 2010-04-18 07:07:48 +00:00
Nick Lewycky
459afe3cce Revert r101701, Darwin doesn't have 'environ'. Go figure. 
llvm-svn: 101702
 2010-04-18 06:44:21 +00:00
Nick Lewycky
2b694c49bb Fix linux build. posix_spawn doesn't inherit the environment by default. 
llvm-svn: 101701
 2010-04-18 06:22:26 +00:00
Chris Lattner
22b58ac393 make Program::Execute use posix_spawn on systems that support it, 
as it is more efficient than fork/exec.

Thanks to Eric for adding the autoconf check.  It would be nice if
a cmake guru could add a cmake check for posix_spawn as well.

llvm-svn: 101693
 2010-04-18 04:14:37 +00:00
Chris Lattner
f543d5e029 reduce indentation 
llvm-svn: 101692
 2010-04-18 03:35:23 +00:00
Chris Lattner
49c39866b3 unnest from namespace. 
llvm-svn: 101691
 2010-04-18 03:33:55 +00:00
Bill Wendling
3592f4fac4 Don't rely upon the MCSymbol "isDefined" method to indicate if a label has been 
emitted or not. The JIT doesn't set that. Look it up in the label location table
instead.

llvm-svn: 101686
 2010-04-18 00:56:05 +00:00
Bill Wendling
19aefaac85 Formatting changes. No functionality change. 
llvm-svn: 101685
 2010-04-18 00:52:08 +00:00
Daniel Dunbar
0cfafd5b8f Revert "reject forward references to functions whose type don't match", because DJG told me to! 
llvm-svn: 101675
 2010-04-17 21:24:55 +00:00
Chris Lattner
8028c98fe2 reject forward references to functions whose type don't match 
up with the definition (and fix a broken testcase).  PR6491.

llvm-svn: 101670
 2010-04-17 20:45:56 +00:00
Chris Lattner
99d17acb35 fix PR6332, allowing an index of zero into a zero sized array 
even if the element of the array has no size.

llvm-svn: 101662
 2010-04-17 19:02:33 +00:00
Chris Lattner
65d1e40895 teach the x86 asm parser how to handle segment prefixes 
in memory operands.  rdar://7874844

llvm-svn: 101661
 2010-04-17 18:56:34 +00:00
Chris Lattner
a5798151a3 refactor .if handling code a bit. 
llvm-svn: 101659
 2010-04-17 18:14:27 +00:00
Chris Lattner
a5eb6419eb fix PR6858: a dangling pointer use bug which was caused 
by switching CachedFunctionInfo from a std::map to a 
ValueMap (which is implemented in terms of a DenseMap).

DenseMap has different iterator invalidation semantics
than std::map.

This should hopefully fix the dragonegg builder.

llvm-svn: 101658
 2010-04-17 17:57:56 +00:00
Chris Lattner
d506ae2617 a bunch of cleanups and tweaks, no functionality changes. 
llvm-svn: 101657
 2010-04-17 17:55:00 +00:00
Dan Gohman
fba34ef042 Fix -Wcast-qual warnings. 
llvm-svn: 101655
 2010-04-17 17:42:52 +00:00
Chris Lattner
99878c7ca4 remove a dead variable, PR6856 
llvm-svn: 101648
 2010-04-17 17:28:00 +00:00
Dan Gohman
3dde4fe35f Add const qualifiers to TargetLoweringObjectFile usage. 
llvm-svn: 101640
 2010-04-17 16:44:48 +00:00
Dan Gohman
b5109cda0e Use const_cast instead of a C-style cast to cast away const. 
llvm-svn: 101639
 2010-04-17 16:43:55 +00:00
Dan Gohman
5736cd1e47 Start function numbering at 0. 
llvm-svn: 101638
 2010-04-17 16:29:15 +00:00
Dan Gohman
6065ff317b Delete now-unnecessary const_casts. 
llvm-svn: 101637
 2010-04-17 15:32:28 +00:00
Dan Gohman
87af9f6bf4 Use cast instead of dyn_cast when assuming success. 
llvm-svn: 101636
 2010-04-17 15:31:16 +00:00