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Author SHA1 Message Date
Devang Patel
2fc394ddfd Assign argument type to appropriate DIE. 
llvm-svn: 62412
 2009-01-17 06:57:25 +00:00
Devang Patel
24e250ee74 Remove dead code. 
llvm-svn: 62410
 2009-01-17 06:51:37 +00:00
Devang Patel
732220a09f Disable composite type debug info for now. 
llvm-svn: 62406
 2009-01-17 05:05:12 +00:00
Bill Wendling
ddd55bdfec Temporarily revert my last change. It is causing a bootstrap failure. 
llvm-svn: 62405
 2009-01-17 04:23:51 +00:00
Bill Wendling
d18c38c0f2 Implement a special algorithm for converting uint_to_fp for i32 values on 
X86. This code:

void f() {
  uint32_t x;
  float y = (float)x;
}

used to be:

     movl     %eax, -8(%ebp)
     movl     [2^52 double], -4(%ebp)
     movsd    -8(%ebp), %xmm0
     subsd    [2^52 double], %xmm0
     cvtsd2ss %xmm0, %xmm0

Is now:

   movsd        [2^52 double], %xmm0
   movsd        %xmm0, %xmm1
   movd         %ecx, %xmm2
   orps         %xmm2, %xmm1
   subsd        %xmm0, %xmm1
   cvtsd2ss     %xmm1, %xmm0

This is faster on X86. Note that there's an extra load of %xmm0 into %xmm1. That
will be fixed in a later coalescer fix.

llvm-svn: 62404
 2009-01-17 03:56:04 +00:00
Oscar Fuentes
ee36d9ce83 CMake: Add lib/Target/IA64/IA64Subtarget.cpp 
llvm-svn: 62394
 2009-01-17 01:50:32 +00:00
Gabor Greif
c379e7909b speed up iterative loop by using iterators. changes direction, but functionally equivalent 
if this works out, I'll change the others next.

llvm-svn: 62385
 2009-01-17 00:14:25 +00:00
Gabor Greif
20f36c51bd introduce typedef for complicated vector, and use it too 
llvm-svn: 62384
 2009-01-17 00:09:08 +00:00
Mon P Wang
563134282c Simplify extract element of a scalar to vector. 
llvm-svn: 62383
 2009-01-17 00:07:25 +00:00
Gabor Greif
0d0908d06a typo 
llvm-svn: 62377
 2009-01-16 23:08:50 +00:00
Evan Cheng
d7cc550900 Fix PPC ISD::Declare isel and eliminate the need for PPCTargetLowering::LowerGlobalAddress to check if isVerifiedDebugInfoDesc() is true. Given the recent changes, it would falsely return true for a lot of GlobalAddressSDNode's. 
llvm-svn: 62373
 2009-01-16 22:57:32 +00:00
Mikhail Glushenkov
b0aa02acee Support for multi-valued options in CommandLine 
Makes possible to specify options that take multiple arguments (a-la
-sectalign on Darwin). See documentation for details.

llvm-svn: 62372
 2009-01-16 22:54:19 +00:00
Dan Gohman
cb207179b1 Give IA64 a TargetSubtarget subclass, so that it can 
implement getSubtargetImpl.

llvm-svn: 62369
 2009-01-16 22:49:36 +00:00
Dan Gohman
3d0633627d Instead of adding dependence edges between terminator instructions 
and every other instruction in their blocks to keep the terminator
instructions at the end, teach the post-RA scheduler how to operate
on ranges of instructions, and exclude terminators from the range
of instructions that get scheduled.

Also, exclude mid-block labels, such as EH_LABEL instructions, and
schedule code before them separately from code after them. This
fixes problems with the post-RA scheduler moving code past
EH_LABELs.

llvm-svn: 62366
 2009-01-16 22:10:20 +00:00
Dan Gohman
9636e74701 If an anti-dependence uses a non-allocatable register, set AntiDepReg 
to 0, to ensure that the subsequent code doesn't try to break the
dependence.

llvm-svn: 62365
 2009-01-16 21:57:43 +00:00
Dan Gohman
4dc9f47c97 Use the getNode() accessor instead of accessing the Node 
member directly, which is private as of r55504.

llvm-svn: 62364
 2009-01-16 21:47:21 +00:00
Dan Gohman
cd46de9bdc Disable the post-RA scheduler on this test, since it uses a 
simple %prcontext which doesn't find what it's looking for
if the scheduler has rearranged the instructions.

llvm-svn: 62363
 2009-01-16 21:40:12 +00:00
Dan Gohman
733d817b4d Fix the check for an empty basic block to check for an empty SUnits 
array instead, since this is what the scheduler actually cares about.
And remove a check that is unnecessary, since it can assume that
SUnits isn't empty.

llvm-svn: 62362
 2009-01-16 21:37:14 +00:00
Dan Gohman
89103ff4d5 Avoid triggering an assertion failure when an instruction pattern 
is a leaf node. Patch by Brandner!

llvm-svn: 62361
 2009-01-16 21:30:55 +00:00
Chris Lattner
cfaf556999 new nodes should be added to the worklist, not old nodes. 
llvm-svn: 62359
 2009-01-16 21:15:56 +00:00
Devang Patel
9ecd23c14d Fix comments. 
llvm-svn: 62358
 2009-01-16 21:07:53 +00:00
Evan Cheng
c4d19d6e8c CreateVirtualRegisters does trivial copy coalescing. If a node def is used by a single CopyToReg, it reuses the virtual register assigned to the CopyToReg. This won't work for SDNode that is a clone or is itself cloned. Disable this optimization for those nodes or it can end up with non-SSA machine instructions. 
llvm-svn: 62356
 2009-01-16 20:57:18 +00:00
Chris Lattner
4ebfbc8e6c remove a dead method. 
llvm-svn: 62354
 2009-01-16 20:26:53 +00:00
Chris Lattner
0354d30311 don't assert and die on out of range (undefined) shifts. This fixes 
PR3334.

llvm-svn: 62352
 2009-01-16 20:17:02 +00:00
Chris Lattner
5d1ed9ed1f Fix PR3335 by not turning a store to one address space into a store to another. 
llvm-svn: 62351
 2009-01-16 20:12:52 +00:00
Chris Lattner
59dfd7d4af reduce indentation by using early exits, no functionality change. 
llvm-svn: 62350
 2009-01-16 20:08:59 +00:00
Devang Patel
6f83d4b68f Use lightweight DebugInfo objects directly. 
llvm-svn: 62341
 2009-01-16 19:28:14 +00:00
Bill Wendling
c9e856fbfd Add support for non-zero __builtin_return_address values on X86. 
llvm-svn: 62338
 2009-01-16 19:25:27 +00:00
Evan Cheng
2932869ed4 Change isGVCompilationDisabled() semantics again. It should abort on any GV that's not constant whether it's "internal" or not. In a server / client environment, GV is returned in the same block of memory as code. However, the memory might not be writable. 
llvm-svn: 62336
 2009-01-16 19:14:49 +00:00
Gabor Greif
34a28dbecf use specialized accessor instead of plain getOperand(0) 
llvm-svn: 62330
 2009-01-16 18:40:27 +00:00
Devang Patel
627bb2afb9 Align source code. 
llvm-svn: 62328
 2009-01-16 18:01:58 +00:00
Dan Gohman
e4265cdbb9 Fix a "comparison between signed and unsigned integer expressions" 
warning.

llvm-svn: 62327
 2009-01-16 17:55:08 +00:00
Nick Lewycky
3f81059a01 Reinstate r60509 from Dale: 
Make the debugging dump be a full line.

llvm-svn: 62325
 2009-01-16 17:07:22 +00:00
Duncan Sands
ecfbe4521c Get this building with gcc-4.4. 
llvm-svn: 62322
 2009-01-16 15:54:57 +00:00
Duncan Sands
2bb8d618ad Grammar fix. 
llvm-svn: 62319
 2009-01-16 09:29:46 +00:00
Mikhail Glushenkov
49be18cfc6 Registry.h should not depend on CommandLine.h. 
Split Support/Registry.h into two files so that we have less to
recompile every time CommandLine.h is changed.

llvm-svn: 62312
 2009-01-16 07:02:28 +00:00
Evan Cheng
4315a09f1a This is now passing. 
llvm-svn: 62308
 2009-01-16 06:59:14 +00:00
Mikhail Glushenkov
5000223556 Delete trailing whitespace. 
llvm-svn: 62307
 2009-01-16 06:53:46 +00:00
Sanjiv Gupta
abf4207734 Reverting back 62301. 
llvm-svn: 62304
 2009-01-16 05:06:35 +00:00
Sanjiv Gupta
d54cf794a5 Few targets do not have a single directive to emit global constants. 
For example, PIC16 needs to break a long or int constant into mulitple parts and emit multiple directives. So Allow targets to overried EmitConstantValueOnly().

llvm-svn: 62301
 2009-01-16 02:45:46 +00:00
Evan Cheng
c58653bd6e ARMCompilationCallback should not save / restore vfp registers if vfp is not available. 
llvm-svn: 62299
 2009-01-16 02:16:37 +00:00
Devang Patel
434239cc4f Validate debug info values only if DwarfDebug is initialized. 
llvm-svn: 62298
 2009-01-16 02:15:14 +00:00
Evan Cheng
e7c9310d1b Clean up previous cast optimization a bit. Also make zext elimination a bit more aggressive: if it's not necessary to emit an AND (i.e. high bits are already zero), it's profitable to evaluate the operand at a different type. 
llvm-svn: 62297
 2009-01-16 02:11:43 +00:00
Dan Gohman
1810c6366d Add support for instructions with multiple ComplexPatterns, by 
adding more information to the temporary variables names so that
they don't conflict.

llvm-svn: 62296
 2009-01-16 02:05:52 +00:00
Devang Patel
befef54e67 Any debug info symbol is only valid if atleast one compile unit is seen. 
llvm-svn: 62294
 2009-01-16 01:49:46 +00:00
Dan Gohman
c5b1dbdb4e Initial hazard recognizer support in post-pass scheduling. This includes 
a new toy hazard recognizier heuristic which attempts to direct the
scheduler to avoid clumping large groups of loads or stores too densely.

llvm-svn: 62291
 2009-01-16 01:33:36 +00:00
Devang Patel
f0e1e4cc51 Do not stumble over forward declared struct member. 
llvm-svn: 62288
 2009-01-16 00:50:53 +00:00
Devang Patel
1ee58c7d8c Validate dbg_* intrinsics before lowering them. 
llvm-svn: 62286
 2009-01-15 23:41:32 +00:00
Mon P Wang
e235ba591f Added missing support to widen an operand from a bit convert. 
llvm-svn: 62285
 2009-01-15 22:43:38 +00:00
Dan Gohman
3e0dcbbd15 Generalize the HazardRecognizer interface so that it can be used 
to support MachineInstr-based scheduling in addition to
SDNode-based scheduling.

llvm-svn: 62284
 2009-01-15 22:18:12 +00:00