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Author SHA1 Message Date
Benjamin Kramer
74c10e7d8d This test doesn't work on arm either. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88794 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-14 15:15:39 +00:00
Benjamin Kramer
7b068610eb 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88791 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-14 14:14:58 +00:00
Daniel Dunbar
067d024b05 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!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88768 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-14 10:09:12 +00:00
Nick Lewycky
e79fddedca Remove LLVMContext from reassociate. It was threaded through every function but 
ultimately never used.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88763 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-14 07:25:54 +00:00
Sanjiv Gupta
9a501cf19d revert 88761 as it fails builds. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88762 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-14 07:22:25 +00:00
Sanjiv Gupta
6fb01a7750 Fix debug info crashes for PIC16. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88761 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-14 06:19:49 +00:00
Nick Lewycky
20162ac566 Teach BasicAA that a constant expression can't alias memory provably not 
allocated until runtime (such as an alloca). Patch by Hans Wennborg!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88760 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-14 06:15:14 +00:00
Evan Cheng
fae3e92345 Added getSubRegIndex(A,B) that returns subreg index of A to B. Use it to replace broken code in VirtRegRewriter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88753 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-14 03:42:17 +00:00
Evan Cheng
d57cdd5683 - 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88745 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-14 02:55:43 +00:00
Dan Gohman
4ec01b268e Add an option for running GVN with redundant load processing disabled. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88742 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-14 02:27:51 +00:00
Evan Cheng
e17ae4f82e Add radar number. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88739 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-14 02:11:32 +00:00
Evan Cheng
8fdd84cfa7 Fix PR5412: Fix an inverted check and another missing sub-register check. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88738 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-14 02:09:09 +00:00
Dan Gohman
ed9bab3b4d Enable the tail call optimization when the caller returns undef. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88737 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-14 02:06:30 +00:00
Evan Cheng
0cd22dd738 When expanding t2STRDi8 r, r to two stores, add kill markers correctly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88734 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-14 01:50:00 +00:00
Jakob Stoklund Olesen
3b6ced1510 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88728 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-14 00:38:13 +00:00
Jakob Stoklund Olesen
9aebb61daf Update MachineDominator information 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88727 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-14 00:38:06 +00:00
Lang Hames
b3661585c0 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88725 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-14 00:02:51 +00:00
Evan Cheng
1f6a3c820a Fix PR5411. Bug in UpdateKills. A reg def partially define its super-registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88719 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-13 23:16:41 +00:00
Eric Christopher
2b1ffeea28 Remove extraneous commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88716 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-13 23:08:47 +00:00
Eric Christopher
04458e404f Print out something, even if it's non-parseable later when we've 
got ghost linkage. It's better than aborting.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88715 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-13 23:00:14 +00:00
Dan Gohman
ce8447ccfe 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88711 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-13 22:24:13 +00:00
Bill Wendling
0c2749f3e2 Disable the JITTest.NoStubs test for Darwin PPC. It apparently doesn't implement 
emitFunctionStubAtAddr.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88708 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-13 21:58:54 +00:00
Jakob Stoklund Olesen
1222287543 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88707 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-13 21:56:15 +00:00
Jakob Stoklund Olesen
ce727d0da0 Add MachineFunction::verify() to call the machine code verifier directly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88706 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-13 21:56:09 +00:00
Jakob Stoklund Olesen
52cd548525 The instruction pointer %RIP is a reserved register on x86_64. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88705 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-13 21:56:01 +00:00
Jakob Stoklund Olesen
1dc0fcbaed Fix polarity of a CFG check in machine verifier. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88704 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-13 21:55:54 +00:00
Dan Gohman
24f8e29b4e Use .data() instead of .c_str() when nul-termination is not needed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88703 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-13 21:55:31 +00:00
Devang Patel
a2b3cdc21f Do not use value handle to wrap MDNode in DIDescriptor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88700 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-13 21:45:04 +00:00
David Greene
1924aabf99 Move DebugInfo checks into EmitComments and remove them from 
target-specific AsmPrinters.  Not all comments need DebugInfo.

Re-enable the line numbers comment test.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88697 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-13 21:34:57 +00:00
Dan Gohman
c4c550c758 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88692 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-13 21:02:15 +00:00
Evan Cheng
236490d870 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88690 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-13 20:36:40 +00:00
David Goodwin
87d21b92fc Allow target to specify regclass for which antideps will only be broken along the critical path. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88682 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-13 19:52:48 +00:00
Bruno Cardoso Lopes
a8173b934f Support fp64 immediate zero, this fixes only part of PR5445 
because the testcase is triggering one more bug.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88674 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-13 18:49:59 +00:00
Dan Gohman
01205a80f5 Don't let a noalias difference disrupt the tailcall optimization. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88672 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-13 18:49:38 +00:00
David Greene
0d1680a7d8 Remove duplicate APIs and state WRT spill objects. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@87106 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-13 14:42:06 +00:00
Rafael Espindola
20fd4ec8c5 Distinguish "a," from "a". The first one splits into "a" + "" and the second one into 
"a" + 0.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@87084 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-13 04:55:09 +00:00
Devang Patel
3ddf70442f Revert r87059 for now. It is failing clang tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@87070 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-13 02:27:33 +00:00
Devang Patel
3fb6bd690a Ignore nameless variables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@87069 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-13 02:25:26 +00:00
Rafael Espindola
c78c0c99a0 Switch to smallvector. Also fix issue with using unsigend for MaxSplit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@87068 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-13 02:18:25 +00:00
Dale Johannesen
1e608819aa Adjust isConstantSplat to allow for big-endian targets. 
PPC is such a target; make it work.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@87060 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-13 01:45:18 +00:00
Victor Hernandez
0418c102dd Remove unnecessary llvm.dbg.declare bitcast 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@87059 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-13 01:44:55 +00:00
Rafael Espindola
5ccac24726 Add a new split method to StringRef that puts the substrings in a vector. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@87058 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-13 01:24:40 +00:00
Jim Grosbach
c1a07be185 Block renumbering 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@87056 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-13 01:19:24 +00:00
Jim Grosbach
f4cbc0e421 use lower case for readability 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@87054 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-13 01:17:22 +00:00
Daniel Dunbar
6242495be2 Update test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@87049 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-13 01:01:58 +00:00
David Greene
dda3978d78 Fix a bootstrap failure. 
Provide special isLoadFromStackSlotPostFE and isStoreToStackSlotPostFE
interfaces to explicitly request checking for post-frame ptr elimination
operands.  This uses a heuristic so it isn't reliable for correctness.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@87047 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-13 00:29:53 +00:00
Owen Anderson
98538b4bea Re-enable this code, since redundant PHIs are now being better nuked. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@87042 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-12 23:22:41 +00:00
Bill Wendling
ecc260e403 Simplify code a bit 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@87040 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-12 23:13:08 +00:00
Bill Wendling
ed060dcb5c Refactor code that checks if it's a call to a "nounwind" function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@87036 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-12 21:59:20 +00:00
Chris Lattner
4ff4141a9e use isInstructionTriviallyDead, as pointed out by Duncan 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@87035 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-12 21:58:18 +00:00