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Author SHA1 Message Date
Bob Wilson
cc8d63fdef Fix CodePlacementOpt::OptimizeIntraLoopEdges so that its return value 
correctly indicates whether it changed the code.

llvm-svn: 72038
 2009-05-18 21:02:18 +00:00
Bob Wilson
51e9d81e72 Fix pr4202: Disable CodePlacementOpt for ARM. The ARMConstantIslandPass has 
to run last because it needs to know the exact size and position of every
basic block.  Currently CodePlacementOpt is set up to run last.  It might be
worthwhile to investigate reordering these passes, but for now, let's just
make it work.

llvm-svn: 72037
 2009-05-18 20:55:32 +00:00
Lang Hames
079c2769b8 New Spiller interface and trivial implementation. 
llvm-svn: 72030
 2009-05-18 19:03:16 +00:00
Dan Gohman
a21c85512e Revert r72025. It is possible for clients to convert between signed types 
and pointer types safely if they only do so when the sizes are the same.
llvm-gcc is such a client.

llvm-svn: 72029
 2009-05-18 18:55:39 +00:00
Eric Christopher
1b5625d027 Remove getType() overrides for ExtractValueInst and InsertValueInst. 
Patch by John McCall.

llvm-svn: 72028
 2009-05-18 18:46:57 +00:00
Bill Wendling
af2e508015 Revert last commit. It was wrong. 
llvm-svn: 72026
 2009-05-18 18:21:03 +00:00
Dan Gohman
20650de700 Add assertions to CastInst::getCastOpcode to catch attempted conversions 
between integers and pointers when the source type is marked signed,
since inttoptr and ptrtoint always use zero-extension when the destination
is larger than the source.

llvm-svn: 72025
 2009-05-18 18:18:57 +00:00
Bill Wendling
3f41e5ca13 Don't call RegionInlinedFnEnd if our optimization level isn't -O0. 
llvm-svn: 72024
 2009-05-18 18:17:22 +00:00
Bill Wendling
ae8a483328 Commands beginning with '--' are converted to '-f' by gcc. Blech! 
llvm-svn: 72023
 2009-05-18 18:09:36 +00:00
Dale Johannesen
6efc155312 Fill in the missing patterns for ADC and SBB. 
Some comment cleanup.

llvm-svn: 72022
 2009-05-18 17:44:15 +00:00
Douglas Gregor
1ad25cdc99 termios.h contains the winsize structure we need to determine the 
width of a terminal. Don't try to get the width of a terminal if we
don't have this header.

llvm-svn: 72018
 2009-05-18 17:21:34 +00:00
Dan Gohman
0a71520ce1 Rename UseTy to AccessTy, for consistency with getAccessType, and to 
avoid ambiguity with the word "use" in IVStrideUse.

llvm-svn: 72012
 2009-05-18 16:45:28 +00:00
Daniel Dunbar
7c5aee4f79 Silence Release-Asserts warnings. 
llvm-svn: 72011
 2009-05-18 16:43:04 +00:00
Dan Gohman
592d65ba06 Teach ScalarEvolution to recognize x^-1 in the case where non-demanded 
bits have been stripped out by instcombine.

llvm-svn: 72010
 2009-05-18 16:29:04 +00:00
Dan Gohman
09726e69b9 Delete a redundant 'else'. 
llvm-svn: 72009
 2009-05-18 16:17:44 +00:00
Dan Gohman
e50a960c5a Fix ScalarEvolution::isLoopGuardedByCond to accept a null Loop*, for 
consistency with other routines that use a null Loop* to mean code
not contained by any loop.

llvm-svn: 72008
 2009-05-18 16:03:58 +00:00
Dan Gohman
153b5acb45 Minor code cleanups. Do more of the work before the if statements 
instead of within their controlling expressions.

llvm-svn: 72007
 2009-05-18 15:58:39 +00:00
Dan Gohman
b24fd61296 Add assertion checks to the SCEV operator creation methods to catch 
type mismatches.

llvm-svn: 72006
 2009-05-18 15:44:58 +00:00
Dan Gohman
2c9bd7e0cb Make ScalarEvolution::isLoopGuardedByCond work even when the edge 
entering a loop is a non-split critical edge.

llvm-svn: 72004
 2009-05-18 15:36:09 +00:00
Dan Gohman
560da2a066 Add an isOne() utility function to ScalarEvolution, similar to isZero() 
and similar to ConstantInt's isOne().

llvm-svn: 72003
 2009-05-18 15:22:39 +00:00
Dan Gohman
904f081ce7 Add nounwind to a few tests. 
llvm-svn: 72002
 2009-05-18 15:16:49 +00:00
Eli Friedman
573333530f Tweak MemoryBuffer::getSTDIN so that it returns after the first EOF. 
It doesn't matter for piped input, but it's annoying when typing at the 
console.

llvm-svn: 71998
 2009-05-18 08:44:04 +00:00
Daniel Dunbar
711313f3ac Fix a compile warning. 
llvm-svn: 71993
 2009-05-18 03:44:24 +00:00
Lang Hames
84123bf6e8 Prevented reg0 from being added to MBB live-in set, which was causing issues 
for PostRAScheduler. 

llvm-svn: 71991
 2009-05-17 23:50:36 +00:00
Jakob Stoklund Olesen
18e4e1eb2b Rename MachineVerifier pass to avoid command line collision. 
llvm-svn: 71987
 2009-05-17 19:37:14 +00:00
Duncan Sands
ead6c97920 Check that the gcc front-end is not doing inlining 
when not doing unit-at-a-time.

llvm-svn: 71986
 2009-05-17 19:37:02 +00:00
Anton Korobeynikov
85accafcba Mark rotl/rotr as expand. This generates pretty ugly code, but this is better than nothing. 
llvm-svn: 71976
 2009-05-17 10:16:28 +00:00
Anton Korobeynikov
8753e89b79 Typo 
llvm-svn: 71975
 2009-05-17 10:15:22 +00:00
Bill Wendling
97af952d7a Formatting. Some updating of data structures. More work needs to be done to update the examples. 
llvm-svn: 71974
 2009-05-17 05:52:39 +00:00
Owen Anderson
a15fc9a761 Significantly improve Atomic.h by pulling in code from libatomic_ops by HP. This is a little outdated, but reasonably complete. 
llvm-svn: 71973
 2009-05-17 04:57:54 +00:00
Owen Anderson
61d036c993 Remove the volatile marker from the cas_flag typedef, fixing some warnings. 
It's now the client's resposibility to add it in when needed

llvm-svn: 71959
 2009-05-16 21:08:25 +00:00
Jakob Stoklund Olesen
2a2fc7561b Fix a missing def-flag on a Mips epilogue load. 
llvm-svn: 71935
 2009-05-16 07:26:06 +00:00
Jakob Stoklund Olesen
f416b4b5ce Remember to set def-flag on register loaded from stack slot in CellSPU. 
llvm-svn: 71934
 2009-05-16 07:25:44 +00:00
Jakob Stoklund Olesen
fe508fac97 Verify that explicit definitions in the TargetInstrDesc are matched by 
explicit register define operands.

llvm-svn: 71933
 2009-05-16 07:25:20 +00:00
Jakob Stoklund Olesen
b188c38212 Allow redefinition of reserved registers. 
llvm-svn: 71932
 2009-05-16 07:24:54 +00:00
Owen Anderson
a5fc80c2c6 Back out the thread-safe ManagedStatic for now. Too many people have too many problems with it for the moment. 
llvm-svn: 71931
 2009-05-16 07:20:52 +00:00
Duncan Sands
6ccd63bea9 Put back a bit of expensive checking logic that 
was overenthusiastically deleted in r70234.

llvm-svn: 71926
 2009-05-16 04:14:29 +00:00
Duncan Sands
28cf31b990 Make sure the CXXFLAGS setting is picked up by 
the common Makefile.  Not sure why this suddenly
started causing problems.

llvm-svn: 71925
 2009-05-16 04:00:00 +00:00
Duncan Sands
a13774ee79 Pacify gcc-4.3, which suggests explicit braces here 
to avoid an ambiguous else.

llvm-svn: 71924
 2009-05-16 03:28:54 +00:00
Jakob Stoklund Olesen
fa57451cf5 Help DejaGnu avoid pipe-jam by producing less output from certain test cases. 
When a test fails with more than a pipeful of output on stdout AND stderr, one
of the DejaGnu programs blocks. The problem can be avoided by redirecting
stdout to a file.

llvm-svn: 71919
 2009-05-16 00:34:42 +00:00
Jakob Stoklund Olesen
94c30c8409 Pass to verify generated machine code. 
The following is checked:

* Operand counts: All explicit operands must be present.

* Register classes: All physical and virtual register operands must be
  compatible with the register class required by the instruction descriptor.

* Register live intervals: Registers must be defined only once, and must be
  defined before use.

The machine code verifier is enabled with the command-line option
'-verify-machineinstrs', or by defining the environment variable
LLVM_VERIFY_MACHINEINSTRS to the name of a file that will receive all the
verifier errors.

llvm-svn: 71918
 2009-05-16 00:33:53 +00:00
Jay Foad
b807bd761c Work around the fact that GNU libstdc++'s debug mode uses RTTI. 
llvm-svn: 71871
 2009-05-15 18:13:31 +00:00
Anton Korobeynikov
0df5f515ff Unbreak mingw build 
llvm-svn: 71856
 2009-05-15 11:04:52 +00:00
Owen Anderson
1f8d845588 Improve compatibility with older versions of Windows. 
llvm-svn: 71855
 2009-05-15 10:40:23 +00:00
Bill Wendling
ac4cfe34e6 Split out the DwarfDebug module from the DwarfWriter module. 
Again, no intendtional functionality change.

llvm-svn: 71854
 2009-05-15 09:23:25 +00:00
Owen Anderson
f77567f7ac Factor out some common code, fix more typoes, and add a memory fence that might be needed. 
llvm-svn: 71853
 2009-05-15 08:22:07 +00:00
Owen Anderson
c69f0d9a11 Fix an unfortunate typo. 
llvm-svn: 71852
 2009-05-15 08:07:23 +00:00
Bill Wendling
6bbe2a1daa Mark class as hidden. 
llvm-svn: 71850
 2009-05-15 06:55:26 +00:00
Owen Anderson
86ba469f0a (Hopefully) unbreak Apple-style builds. 
llvm-svn: 71849
 2009-05-15 06:49:31 +00:00
Evan Cheng
80c613f4a0 Fix PR4210. Rewritter should track and update kills of sub-registers as well. 
llvm-svn: 71848
 2009-05-15 06:48:19 +00:00