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Author SHA1 Message Date
Owen Anderson
1c2763d3fe Fix a bug that was causing several miscompilations on SPEC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40746 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-02 17:56:05 +00:00
Christopher Lamb
a326b5da4b Implement review feedback. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40745 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-02 17:52:00 +00:00
Chris Lattner
576c8da518 I don't have time to restore this functionality right now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40743 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-02 17:43:39 +00:00
Chris Lattner
5543a856ff Replacing a cast with another one does not reduce the number of 
casts in the input.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40741 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-02 17:23:38 +00:00
Chris Lattner
ce4eaecb2e Reduced testcase for PR1594 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40740 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-02 17:11:24 +00:00
Chris Lattner
b014678eb3 Disable an xform that causes an infinite loop. This fixes PR1594 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40739 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-02 16:56:32 +00:00
Chris Lattner
684b22df79 wrap some long lines. Major offenders that are left include 
gvn, gvnpre, dse, and predsimplify.  To see these, use:

  make check-line-length



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40738 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-02 16:53:43 +00:00
Devang Patel
1ff61385c8 Update dominator info for the middle blocks created while spliting 
exit edge to preserve LCSSA.

Fix dominance frontier update during loop unswitch. This fixes PR 1589, again



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40737 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-02 15:25:57 +00:00
Dan Gohman
73a902b228 Mark the SSE and MMX load instructions that 
X86InstrInfo::isReallyTriviallyReMaterializable knows how to handle
with the isReMaterializable flag so that it is given a chance to handle
them. Without hoisting constant-pool loads from loops this isn't very
visible, though it does keep CodeGen/X86/constant-pool-remat-0.ll from
making a copy of the constant pool on the stack.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40736 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-02 14:27:55 +00:00
Chris Lattner
951626b437 Enhance instcombine to be more aggressive about folding casts of 
operations of casts.  This implements InstCombine/zext-fold.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40726 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-02 06:11:14 +00:00
Anders Carlsson
bfbfcdafbe Fix bug spotted by Chris. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40725 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-02 06:05:19 +00:00
Anders Carlsson
7ccd9ec4f4 Add extend and extOrTrunc methods that do sign or zero extension depending on whether the integer is signed or not 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40724 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-02 06:00:13 +00:00
Evan Cheng
7afa166c76 Switch some multiplication instructions over to the new scheme for testing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40723 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-02 05:48:35 +00:00
Evan Cheng
33d5595d66 Do not emit copies for physical register output if it's not used. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40722 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-02 05:29:38 +00:00
Evan Cheng
0a2a515c5b Fix test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40721 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-02 05:04:16 +00:00
Chris Lattner
9dd7a5178f Fix PR1575 and test/Transforms/CondProp/2007-08-01-InvalidRead.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40720 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-02 04:47:05 +00:00
Reid Spencer
22256f482d Adjust for new CallInst constructor interface. 
This fixes test/Feature/llvm2cpp.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40714 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-02 03:30:26 +00:00
Scott Michel
335f4f7788 Style police: Expand the tabs to spaces! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40712 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-02 02:22:46 +00:00
Christopher Lamb
406bfa3e21 Teach BasicAA about noalias parameter attributes, but do it correctly this time. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40711 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-02 01:18:14 +00:00
Evan Cheng
8409747efa Instead of adding copyfromreg's to handle physical definitions. Now isel can 
simply specify them as results and let scheduledag handle them. That
is, instead of
SDOperand Flag = DAG.getTargetNode(Opc, MVT::i32, MVT::Flag, ...)
SDOperand Result = DAG.getCopyFromReg(Chain, X86::EAX, MVT::i32, Flag)

Just write:
SDOperand Result = DAG.getTargetNode(Opc, MVT::i32, MVT::i32, ...)

And let scheduledag emit the move from X86::EAX to a virtual register.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40710 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-02 00:28:15 +00:00
Evan Cheng
b5910820ce Added TargetInstrDescriptor::numDefs - num of results. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40709 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-02 00:20:17 +00:00
Evan Cheng
5278784621 Can't handle offset and scale if rip-relative addressing is to be used. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40703 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 23:46:47 +00:00
Evan Cheng
0db079e2e6 Mac OS X X86-64 low 4G address not available. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40702 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 23:46:10 +00:00
Evan Cheng
f6844ca0e4 Mac OS X X86-64 low 4G address not available. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40701 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 23:45:51 +00:00
Devang Patel
2f2e519083 Undo previous check-in. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40698 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 23:24:50 +00:00
Evan Cheng
caf778ab3b Some out operands were incorrectly specified as input operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40697 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 23:07:38 +00:00
Reid Spencer
1451afe0e4 Make sure these tests pass for the right reasons (verifier error, rather than 
failure to assemble).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40696 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 23:07:36 +00:00
Devang Patel
28ae151c48 Update dominator info for the middle blocks created while spliting 
exit edge to preserve LCSSA.

Fix dominance frontier update during loop unswitch. This fixes PR 1589.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40695 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 22:23:50 +00:00
Owen Anderson
9066020993 Make non-local memdep not be recursive, and fix a bug on 403.gcc that this exposed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40692 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 22:01:54 +00:00
Evan Cheng
c5dd54154a Missing Requires. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40691 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 21:42:24 +00:00
Evan Cheng
911935a068 New test. Bogus implicit-def prevented a copy from being coalesced. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40690 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 20:26:40 +00:00
Evan Cheng
1c3017c51e Be more precise. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40689 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 20:22:37 +00:00
Evan Cheng
21b3bf0650 Bugs: missing partial uses and redundant partial defs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40688 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 20:18:21 +00:00
Lauro Ramos Venancio
dd487c159b Add a test for the load/store alignment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40687 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 20:07:59 +00:00
Lauro Ramos Venancio
f3c13c82e3 Expand unaligned loads/stores when the target doesn't support them. (PR1548) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40682 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 19:34:21 +00:00
Christopher Lamb
4eda058550 Clean up C++ restrict test cases and add a test for restrict qualified methods. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40681 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 18:48:29 +00:00
Chris Lattner
695e1c69a8 these tests aren't xfailed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40680 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 18:37:44 +00:00
Chris Lattner
b59e985cdb we're now handling this right :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40675 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 17:10:30 +00:00
Owen Anderson
268479f454 Forgot to update these files for the FastDSE changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40674 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 16:53:51 +00:00
Dan Gohman
c2bbfc18e9 More explicit keywords. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40673 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 15:32:29 +00:00
Dan Gohman
a9f643432d Change a .size directive to use a tab instead of a space, for consistency. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40672 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 14:42:30 +00:00
Dan Gohman
e819ff70f7 Make ImmutablePass::runOnModule non-virtual, since it is not 
intended to be overridden.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40671 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 14:28:20 +00:00
Owen Anderson
f6a05f949f Rename FastDSE to just DSE. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40668 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 06:36:51 +00:00
Owen Anderson
a56c34f90b Move FastDSE in to DeadStoreElimination. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40667 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 06:30:51 +00:00
Owen Anderson
e739bae8da Remove old DSE. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40666 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 06:30:10 +00:00
David Greene
718fda37a7 Update generated files. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40663 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 03:59:32 +00:00
David Greene
52eec54820 New CallInst interface to address GLIBCXX_DEBUG errors caused by 
indexing an empty std::vector.

Updates to all clients.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40660 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 03:43:44 +00:00
Evan Cheng
7fc77611ef Indexed loads each has 2 outputs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40658 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 00:12:08 +00:00
Evan Cheng
ad076727f8 Requires SSE2. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40657 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 00:10:12 +00:00
Owen Anderson
bf7d0bc4e5 Don't let the memory allocator outsmart GVN. ;-) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40655 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-31 23:27:13 +00:00