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Author SHA1 Message Date
Mikhail Glushenkov
d5cadeed5d A better error message. 
llvm-svn: 71068
 2009-05-06 04:54:23 +00:00
Lang Hames
fcc5ebb1d4 Renamed Spiller classes (plus uses and related files) to VirtRegRewriter. 
llvm-svn: 71057
 2009-05-06 02:36:21 +00:00
Mikhail Glushenkov
2a24374c7f Regenerate documentation. 
llvm-svn: 71055
 2009-05-06 01:41:47 +00:00
Mikhail Glushenkov
d9ef672a0d The 'forward_as' property did not use its second argument. 
See PR4159 for details. Patch by Martin Nowack!

llvm-svn: 71054
 2009-05-06 01:41:19 +00:00
Dan Gohman
39d3c78f6a Fix a copy+pasto in a comment. 
llvm-svn: 71035
 2009-05-05 23:02:38 +00:00
Dan Gohman
c1169472a2 Delete a FIXME which is no longer relevant, and add a FIXME that is. 
llvm-svn: 71033
 2009-05-05 22:59:55 +00:00
Evan Cheng
0d781df8dc Quotes should be printed before private prefix; some code clean up. 
llvm-svn: 71032
 2009-05-05 22:50:29 +00:00
Bill Wendling
265f9ffc43 Add dump method to DIDescriptor. 
llvm-svn: 71028
 2009-05-05 22:19:25 +00:00
Dan Gohman
6d1ffab07b Add an explicit keyword. 
llvm-svn: 71022
 2009-05-05 21:23:20 +00:00
Dan Gohman
5e839321f2 If a MachineBasicBlock has multiple ways of reaching another block, 
allow it to have multiple CFG edges to that block. This is needed
to allow MachineBasicBlock::isOnlyReachableByFallthrough to work
correctly. This fixes PR4126.

llvm-svn: 71018
 2009-05-05 21:10:19 +00:00
Evan Cheng
5c1e41c21d Forgot this in the last commit. 
llvm-svn: 71014
 2009-05-05 20:54:11 +00:00
Bill Wendling
5f4fcbeb10 Temporarily reverting r71008. It was causing this failure: 
Running /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/test/
CodeGen/X86/dg.exp ...
FAIL: /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/test/
CodeGen/X86/change-compare-stride-1.ll
Failed with exit(1) at line 2
while running: grep {cmpq       $-478,} change-compare-stride-1.ll.tmp
child process exited abnormally

llvm-svn: 71013
 2009-05-05 20:49:46 +00:00
Dan Gohman
ad61ec36ad Add some more documentation for x86 special address spaces. 
llvm-svn: 71012
 2009-05-05 20:48:47 +00:00
Evan Cheng
984da04cd0 Enable stack coloring with regs at -O3. 
llvm-svn: 71010
 2009-05-05 20:30:36 +00:00
David Greene
2bb2b3840e Handle overflow of 64-bit loop conditions. 
llvm-svn: 71008
 2009-05-05 20:22:36 +00:00
Chris Lattner
5cc9a36d1c Add basic support for code generation of 
addrspace(257) -> FS relative on x86.  Patch by Zoltan Varga!

llvm-svn: 70992
 2009-05-05 18:52:19 +00:00
Evan Cheng
2deb91f54b bugpoint for jit should just ignore GCC arguments. 
llvm-svn: 70988
 2009-05-05 18:35:36 +00:00
Evan Cheng
138eed76c7 Revert part of 70929 that has to do with determining whether a SIB byte is needed. It causes a lot of x86_64 JIT failures. 
llvm-svn: 70986
 2009-05-05 18:18:57 +00:00
David Greene
9aad2bbcf9 Allow multiclass def names to contain "#NAME"" where TableGen replaces 
#NAME# with the name of the defm instantiating the multiclass.  This is
useful for AVX instruction naming where a "V" prefix is standard
throughout the ISA.  For example:

multiclass SSE_AVX_Inst<...> {
   def SS : Instr<...>;
   def SD : Instr<...>;
   def PS : Instr<...>;
   def PD : Instr<...>;

   def V#NAME#SS : Instr<...>;
   def V#NAME#SD : Instr<...>;
   def V#NAME#PS : Instr<...>;
   def V#NAME#PD : Instr<...>;
}

defm ADD : SSE_AVX_Inst<...>;

Results in 

ADDSS
ADDSD
ADDPS
ADDPD

VADDSS
VADDSD
VADDPS
VADDPD

llvm-svn: 70979
 2009-05-05 16:28:25 +00:00
Mikhail Glushenkov
2b4696b585 Fix incorrect code generation with ENV. 
See PR4157 for details. Patch by Martin Nowack!

llvm-svn: 70973
 2009-05-05 12:34:34 +00:00
Chris Lattner
a96ef42a06 Do not require variable debug info nodes to have a compile unit. 
For implicit decls like "self" and "_cmd" in ObjC, these decls
should not have a location.

llvm-svn: 70964
 2009-05-05 04:55:56 +00:00
Evan Cheng
77e14276e0 Do not substitute if the new register isn't in the register class of the operand being updated. 
llvm-svn: 70953
 2009-05-05 00:46:16 +00:00
Evan Cheng
95ce4ffb36 Move getInstrOperandRegClass from the scheduler to TargetInstrInfo. 
llvm-svn: 70950
 2009-05-05 00:30:09 +00:00
Evan Cheng
ecfc8e8464 Do forward and backward substitution to eliminate loads and stores when possible. 
llvm-svn: 70937
 2009-05-04 23:13:13 +00:00
Evan Cheng
0eb8616e89 Default llc / lli optimization to "Default", which corresponds to -O1 / -O2. 
llvm-svn: 70934
 2009-05-04 23:05:19 +00:00
Evan Cheng
6843d3293b - Avoid the longer SIB encoding on x86_64 when it's not needed. 
- Synchronize instruction length computation code in X86InstrInfo with code in X86CodeEmitter.cpp
Patch by Zoltan Varga.

llvm-svn: 70929
 2009-05-04 22:49:16 +00:00
Dan Gohman
00c4ac3add Re-apply 70645, converting ScalarEvolution to use 
CallbackVH, with fixes. allUsesReplacedWith need to
walk the def-use chains and invalidate all users of a
value that is replaced. SCEVs of users need to be
recalcualted even if the new value is equivalent. Also,
make forgetLoopPHIs walk def-use chains, since any
SCEV that depends on a PHI should be recalculated when
more information about that PHI becomes available.

llvm-svn: 70927
 2009-05-04 22:30:44 +00:00
Dan Gohman
eecaa636fb Fix an 80-column violation. 
llvm-svn: 70925
 2009-05-04 22:23:18 +00:00
Dan Gohman
6bfe85b985 Fix doxygen comment syntax. 
llvm-svn: 70924
 2009-05-04 22:20:30 +00:00
Chris Lattner
7e3c94b55e Make DBG_STOPPOINT nodes, and therefore DBG_LABEL labels, get a DebugLoc, so that it 
shows up in -print-machineinstrs.  This doesn't appear to affect anything, but it was
weird for some DBG_LABELs to have DebugLocs but not all of them.

llvm-svn: 70921
 2009-05-04 22:10:05 +00:00
Dan Gohman
6c425d29e7 Constify a bunch of SCEV-using code. 
llvm-svn: 70919
 2009-05-04 22:02:23 +00:00
Dan Gohman
2973567a95 X86FastISel doesn't support the -tailcallopt ABI. 
llvm-svn: 70902
 2009-05-04 19:50:33 +00:00
Argyrios Kyrtzidis
f82d02a6ca Restore a comment. 
llvm-svn: 70900
 2009-05-04 19:23:45 +00:00
Anton Korobeynikov
262a397978 Fix code emission for conditional branches. 
Patch by Collin Winter!

llvm-svn: 70898
 2009-05-04 19:10:38 +00:00
Bill Wendling
417e759a87 Use %llvmgcc instead of llvm-gcc. 
llvm-svn: 70886
 2009-05-04 18:00:27 +00:00
Dan Gohman
f8f167320d Use true instead of 1 for a boolean value. And fix a copy+pasto 
in a comment.

llvm-svn: 70882
 2009-05-04 17:25:21 +00:00
Dan Gohman
83dfa97326 Trim unnecessary #includes. 
llvm-svn: 70880
 2009-05-04 17:11:06 +00:00
Dan Gohman
5ae422d16f Quotes are used for including llvm headers, rather than angles. 
llvm-svn: 70879
 2009-05-04 17:09:51 +00:00
Duncan Sands
4c7021febf Teach capture tracking that readonly functions can 
only capture their arguments by returning them or
throwing an exception or not based on the argument
value.  Patch essentially by Frits van Bommel.

llvm-svn: 70876
 2009-05-04 16:50:29 +00:00
Duncan Sands
b77e5b9e2e Check that pure/const functions are marked nounwind. 
llvm-svn: 70875
 2009-05-04 16:47:11 +00:00
Chris Lattner
84cf4d62a8 fix some problems spotted by Duncan and Nicolas Geoffray 
llvm-svn: 70872
 2009-05-04 16:29:24 +00:00
Argyrios Kyrtzidis
fb958c2b09 -Remove the DwarfWriter::RecordSourceLine calls from the instruction selectors. 
-Depend on DebugLocs for source line info.

(Comes with Regression-Be-Gone(tm))

llvm-svn: 70871
 2009-05-04 16:23:49 +00:00
Duncan Sands
1b56ebfb59 Testcase for PR3967. 
llvm-svn: 70856
 2009-05-04 12:54:02 +00:00
Anton Korobeynikov
68dee47353 Workaround libstdc++ bug when crosscompiling to mingw. 
Patch by Jay Foad!

llvm-svn: 70849
 2009-05-04 10:25:30 +00:00
Anton Korobeynikov
fca7d58578 It turns out that this version of gcc is broken (cygwin is well-known in shipping 
of broken/buggy/snapshot-based compilers)

llvm-svn: 70848
 2009-05-04 10:24:46 +00:00
Evan Cheng
9df9768ee5 Make sure to color with only allocatable registers for the specific register class. 
llvm-svn: 70821
 2009-05-04 03:30:11 +00:00
Chris Lattner
6807ddd3d9 * Sink 4 duplicates of edge threading validity checks and DOUT prints into 
ThreadEdge directly.  This shares the code, but is just a refactoring.
* Make JumpThreading compute the set of loop headers and avoid threading
  across them.  This prevents jump threading from forming irreducible 
  loops (goodness) but also prevents it from threading in other cases that
  are beneficial (see the comment above FindFunctionBackedges).

llvm-svn: 70820
 2009-05-04 02:28:08 +00:00
Chris Lattner
b07d558841 Factor loop backedge finding out of CodeGenPrepare into a new 
FindFunctionBackedges function.

llvm-svn: 70819
 2009-05-04 02:25:58 +00:00
Chris Lattner
5c8113fab4 add a range insertion method to SmallSet. 
llvm-svn: 70817
 2009-05-04 02:19:15 +00:00
Evan Cheng
bb12bac53b The stack slots which share the same stack slot after coloring can, but do not have to, use the same register. In fact, they each may have different register class requirements. 
llvm-svn: 70815
 2009-05-04 00:24:50 +00:00