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Author SHA1 Message Date
Daniel Dunbar
57f21a7c25 Report the detected host CPU in --version. 
llvm-svn: 88813
 2009-11-14 21:36:07 +00:00
Jim Grosbach
4882bbfe05 cleanup. 
llvm-svn: 88812
 2009-11-14 21:33:37 +00:00
Jim Grosbach
b81732e2f7 Do not merge jump tables this early. Branch folding will do any necessary 
merges, and until then, it's useful to keep the tables separate for ease
of manipulation.

llvm-svn: 88806
 2009-11-14 20:15:03 +00:00
Jim Grosbach
4175b4fbf2 Cleanup flow, and only update the jump table we're analyzing when replacing a destination MBB. 
llvm-svn: 88805
 2009-11-14 20:10:18 +00:00
Jim Grosbach
e4dfaf99cd Add function to replace a destination MBB in a single jump table 
llvm-svn: 88804
 2009-11-14 20:09:13 +00:00
Benjamin Kramer
879350e223 Remove dead variable found by clang++. 
llvm-svn: 88803
 2009-11-14 19:51:20 +00:00
Richard Osborne
8748f55236 Add XCore support for arbitrary-sized aggregate returns. 
llvm-svn: 88802
 2009-11-14 19:33:35 +00:00
Anton Korobeynikov
b290c6b8f7 Temporary disable the error - it seems to be too conservative. 
llvm-svn: 88800
 2009-11-14 18:01:41 +00:00
Benjamin Kramer
e9ba686ab8 Implement DISABLE_INLINE for MSVC. This required changing the position in all 
forward declaration and patching tblgen to emit it right. Patch by Amine Khaldi!

llvm-svn: 88798
 2009-11-14 16:37:18 +00:00
Benjamin Kramer
df7c41116b This test doesn't work on arm either. 
llvm-svn: 88794
 2009-11-14 15:15:39 +00:00
Benjamin Kramer
521985553a Make NORETURN working with MSVC. MSVC only accepts NORETURN in front of the 
decl so move it there. GCC accepts it both in front and after decls.

llvm-svn: 88791
 2009-11-14 14:14:58 +00:00
Daniel Dunbar
59040c2825 Add llvm::sys::getHostCPUName, for detecting the LLVM name for the host CPU. 
- This is an initial step towards -march=native support in Clang, and towards
   eliminating host dependencies in the targets. See PR5389.

 - Patch by Roman Divacky!

llvm-svn: 88768
 2009-11-14 10:09:12 +00:00
Nick Lewycky
316e082216 Remove LLVMContext from reassociate. It was threaded through every function but 
ultimately never used.

llvm-svn: 88763
 2009-11-14 07:25:54 +00:00
Sanjiv Gupta
b38d6287b8 revert 88761 as it fails builds. 
llvm-svn: 88762
 2009-11-14 07:22:25 +00:00
Sanjiv Gupta
3db18af363 Fix debug info crashes for PIC16. 
llvm-svn: 88761
 2009-11-14 06:19:49 +00:00
Nick Lewycky
fba1efd298 Teach BasicAA that a constant expression can't alias memory provably not 
allocated until runtime (such as an alloca). Patch by Hans Wennborg!

llvm-svn: 88760
 2009-11-14 06:15:14 +00:00
Evan Cheng
b8c04e1226 Added getSubRegIndex(A,B) that returns subreg index of A to B. Use it to replace broken code in VirtRegRewriter. 
llvm-svn: 88753
 2009-11-14 03:42:17 +00:00
Evan Cheng
9b46e74f42 - Change TargetInstrInfo::reMaterialize to pass in TargetRegisterInfo. 
- If destination is a physical register and it has a subreg index, use the
  sub-register instead.
This fixes PR5423.

llvm-svn: 88745
 2009-11-14 02:55:43 +00:00
Dan Gohman
406baaac43 Add an option for running GVN with redundant load processing disabled. 
llvm-svn: 88742
 2009-11-14 02:27:51 +00:00
Evan Cheng
3781b2e7b3 Add radar number. 
llvm-svn: 88739
 2009-11-14 02:11:32 +00:00
Evan Cheng
c56b0a0f14 Fix PR5412: Fix an inverted check and another missing sub-register check. 
llvm-svn: 88738
 2009-11-14 02:09:09 +00:00
Dan Gohman
b36274632d Enable the tail call optimization when the caller returns undef. 
llvm-svn: 88737
 2009-11-14 02:06:30 +00:00
Evan Cheng
e43198c166 When expanding t2STRDi8 r, r to two stores, add kill markers correctly. 
llvm-svn: 88734
 2009-11-14 01:50:00 +00:00
Jakob Stoklund Olesen
2ece9d4854 Fix bug in -split-phi-edges. 
When splitting an edge after a machine basic block with fall-through, we
forgot to insert a jump instruction. Fix this by calling updateTerminator() on
the fall-through block when relevant.

Also be more precise in PHIElimination::isLiveIn.

llvm-svn: 88728
 2009-11-14 00:38:13 +00:00
Jakob Stoklund Olesen
28f746c6fa Update MachineDominator information 
llvm-svn: 88727
 2009-11-14 00:38:06 +00:00
Lang Hames
8b2d2c7537 Added an API to the SlotIndexes pass to allow new instructions to be inserted into the numbering. 
PreAllocSplitting is now using this API to insert code.

llvm-svn: 88725
 2009-11-14 00:02:51 +00:00
Evan Cheng
e2907b91de Fix PR5411. Bug in UpdateKills. A reg def partially define its super-registers. 
llvm-svn: 88719
 2009-11-13 23:16:41 +00:00
Eric Christopher
9b6ef0d374 Remove extraneous commit. 
llvm-svn: 88716
 2009-11-13 23:08:47 +00:00
Eric Christopher
14bf8d4de6 Print out something, even if it's non-parseable later when we've 
got ghost linkage. It's better than aborting.

llvm-svn: 88715
 2009-11-13 23:00:14 +00:00
Dan Gohman
ae5b3a399e Move the FixedStackPseudoSourceValueVal enum value before InstructionVal 
so that isa<Instructon> doesn't return true for FixedStackPseudoSourceValue
values. This fixes a variety of problems, including crashes with -debug
and -print-machineinstrs. Also, add a comment to warn about this.

llvm-svn: 88711
 2009-11-13 22:24:13 +00:00
Bill Wendling
2b0d1f6495 Disable the JITTest.NoStubs test for Darwin PPC. It apparently doesn't implement 
emitFunctionStubAtAddr.

llvm-svn: 88708
 2009-11-13 21:58:54 +00:00
Jakob Stoklund Olesen
a8d26951eb Fix PHIElimination optimization that uses MBB->getBasicBlock. 
The BasicBlock associated with a MachineBasicBlock does not necessarily
correspond to the code in the MBB.

Don't insert a new IR BasicBlock when splitting critical edges. We are not
supposed to modify the IR during codegen, and we should be able to do just
fine with a NULL BB.

llvm-svn: 88707
 2009-11-13 21:56:15 +00:00
Jakob Stoklund Olesen
ec4eff6c6a Add MachineFunction::verify() to call the machine code verifier directly. 
llvm-svn: 88706
 2009-11-13 21:56:09 +00:00
Jakob Stoklund Olesen
a077364caa The instruction pointer %RIP is a reserved register on x86_64. 
llvm-svn: 88705
 2009-11-13 21:56:01 +00:00
Jakob Stoklund Olesen
28a81d4c5a Fix polarity of a CFG check in machine verifier. 
llvm-svn: 88704
 2009-11-13 21:55:54 +00:00
Dan Gohman
30f404fb4a Use .data() instead of .c_str() when nul-termination is not needed. 
llvm-svn: 88703
 2009-11-13 21:55:31 +00:00
Devang Patel
20069bcd4d Do not use value handle to wrap MDNode in DIDescriptor. 
llvm-svn: 88700
 2009-11-13 21:45:04 +00:00
David Greene
97a1f550d1 Move DebugInfo checks into EmitComments and remove them from 
target-specific AsmPrinters.  Not all comments need DebugInfo.

Re-enable the line numbers comment test.

llvm-svn: 88697
 2009-11-13 21:34:57 +00:00
Dan Gohman
972293611d When optimizing for size, don't tail-merge unless it's likely to be a 
code-size win, and not when it's only likely to be code-size neutral,
such as when only a single instruction would be eliminated and a new
branch would be required.

This fixes rdar://7392894.

llvm-svn: 88692
 2009-11-13 21:02:15 +00:00
Evan Cheng
f629fdcab2 Fix PR5410: LiveVariables lost subreg def: 
D0<def,dead> = ...
...
             = S0<use, kill>
S0<def>      = ...
...
D0<def>      = 

The first D0 def is correctly marked dead, however, livevariables should have
added an implicit def of S0 or we end up with a use without a def.

llvm-svn: 88690
 2009-11-13 20:36:40 +00:00
David Goodwin
e1d06f2239 Allow target to specify regclass for which antideps will only be broken along the critical path. 
llvm-svn: 88682
 2009-11-13 19:52:48 +00:00
Bruno Cardoso Lopes
e3686712f7 Support fp64 immediate zero, this fixes only part of PR5445 
because the testcase is triggering one more bug.

llvm-svn: 88674
 2009-11-13 18:49:59 +00:00
Dan Gohman
01b65e1e48 Don't let a noalias difference disrupt the tailcall optimization. 
llvm-svn: 88672
 2009-11-13 18:49:38 +00:00
David Greene
7eb9716603 Remove duplicate APIs and state WRT spill objects. 
llvm-svn: 87106
 2009-11-13 14:42:06 +00:00
Rafael Espindola
bece8d9ae7 Distinguish "a," from "a". The first one splits into "a" + "" and the second one into 
"a" + 0.

llvm-svn: 87084
 2009-11-13 04:55:09 +00:00
Devang Patel
3e2aba2402 Revert r87059 for now. It is failing clang tests. 
llvm-svn: 87070
 2009-11-13 02:27:33 +00:00
Devang Patel
7f5ae01388 Ignore nameless variables. 
llvm-svn: 87069
 2009-11-13 02:25:26 +00:00
Rafael Espindola
11ceba8119 Switch to smallvector. Also fix issue with using unsigend for MaxSplit. 
llvm-svn: 87068
 2009-11-13 02:18:25 +00:00
Dale Johannesen
f57a58c4fe Adjust isConstantSplat to allow for big-endian targets. 
PPC is such a target; make it work.

llvm-svn: 87060
 2009-11-13 01:45:18 +00:00
Victor Hernandez
0be9d07279 Remove unnecessary llvm.dbg.declare bitcast 
llvm-svn: 87059
 2009-11-13 01:44:55 +00:00