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5872 Commits

Author SHA1 Message Date
Evan Cheng
efa533957d FIX PR2794. Make sure SIGN_EXTEND_INREG nodes introduced by LegalizeSetCCOperands are leglized. Patch by Richard Pennington. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57460 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-13 18:46:18 +00:00
Evan Cheng
195cd3a58d Also update sub-register intervals after a trivial computation is rematt'ed for a copy instruction. PR2775. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57458 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-13 18:35:52 +00:00
Matthijs Kooijman
d9d07780ff * Make TargetLowering not crash when TargetMachine::getTargetAsmInfo() returns 
null. This assumes that any target that does not have AsmInfo, does not
   support "LocAndDot".


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57438 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-13 12:41:46 +00:00
Matthijs Kooijman
e2b997b7b5 Make MachineFunction not crash when TargetMachine::getRegisterInfo() returns 
NULL, but just hide some debug output then.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57437 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-13 12:37:16 +00:00
Chris Lattner
44d2a983b7 calls can be supported. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57428 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-13 01:59:13 +00:00
Owen Anderson
d55fccde4c Fix a bug in live-in detection that caused lost-copy problems to show up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57424 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-12 20:39:30 +00:00
Chris Lattner
99cbdff66c fix typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57388 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-11 23:59:03 +00:00
Chris Lattner
e563bbc312 Change CALLSEQ_BEGIN and CALLSEQ_END to take TargetConstant's as 
parameters instead of raw Constants.  This prevents the constants from
being selected by the isel pass, fixing PR2735.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57385 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-11 22:08:30 +00:00
Chris Lattner
3c26101669 simplify comparison 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57371 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-11 00:08:02 +00:00
Dale Johannesen
8b1e054938 Remove some overzealous checks that were rejecting 
valid comments in inline assembly.
gcc.target/i386/20011009-1.c



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57365 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-10 21:04:42 +00:00
Mon P Wang
5ca6bd14a0 Added missing print functions that take a raw_ostream 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57339 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-10 01:43:55 +00:00
Dale Johannesen
23a98551ab Add a "loses information" return value to APFloat::convert 
and APFloat::convertToInteger.  Restore return value to
IEEE754.  Adjust all users accordingly.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57329 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-09 23:00:39 +00:00
Dale Johannesen
7111b02c73 Rename APFloat::convertToAPInt to bitcastToAPInt to 
make it clearer what the function does.  No functional
change.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57325 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-09 18:53:47 +00:00
Dale Johannesen
d65b26495d Align EH tables before label is emitted, not after, 
thus aligning the label.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57310 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-08 21:50:21 +00:00
Owen Anderson
04764deac8 Fix the case where an instruction is not properly marked as using all registers that alias its inputs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57286 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-08 04:30:51 +00:00
Dan Gohman
eb0d6abee3 Remove -disable-fast-isel. Use cl::boolOrDefault with -fast-isel 
instead.

So now: -fast-isel or -fast-isel=true enable fast-isel, and
-fast-isel=false disables it. Fast-isel is also on by default
with -fast, and off by default otherwise.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57270 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-07 23:00:56 +00:00
Dan Gohman
1e9e8c3bd5 Avoid emitting redundant materializations of integer constants 
for things like null pointers, which at this level aren't
different from regular integer constants.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57265 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-07 22:03:27 +00:00
Owen Anderson
95dad830bb Add an option to enable StrongPHIElimination, for ease of testing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57259 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-07 20:22:28 +00:00
Andrew Lenharth
2163ca11d5 Use Dan's supperior check 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57255 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-07 18:27:23 +00:00
Andrew Lenharth
ff75d9edbb No need for |= 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57249 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-07 17:11:29 +00:00
Andrew Lenharth
1ad0c8201b Use ADDC if it is valid at any smaller size. Do it right this time 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57248 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-07 17:09:16 +00:00
Andrew Lenharth
5c9cc1392c Use ADDC if it is valid at any smaller size. fixes test/Codegen/Generic/i128-addsub.ll on x86 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57247 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-07 17:03:15 +00:00
Andrew Lenharth
40d513960a Expand arith on machines without carry flags 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57243 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-07 14:15:42 +00:00
Dan Gohman
b5cc34d098 Correctly handle calls with no return values. This fixes 
2006-01-23-UnionInit on x86-64 when inlining is not enabled.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57223 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-07 00:12:37 +00:00
Dan Gohman
4daa9071ed Don't dereference the end() iterator. Thanks to 
ENABLE_EXPENSIVE_CHECKS for finding this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57181 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-06 18:00:07 +00:00
Devang Patel
e4d4b8c533 Remove unncessary isDeclaration() checks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57179 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-06 17:30:07 +00:00
Chris Lattner
d20a00d011 reorder #include order, patch by Kenneth Boyd! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57148 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-06 03:54:25 +00:00
Chris Lattner
78129446ca Add #include to get alloca, patch by Kenneth Boyd! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57147 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-06 03:53:16 +00:00
Chris Lattner
31d7161206 wrap some long lines and expand i32 mul's to libcalls, inspired by a 
patch by Mikael Lepisto!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57077 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-04 21:27:46 +00:00
Oscar Fuentes
80533040bc CMake: Reflected changes on source file structure. New plugin support 
for llvmc2 incomplete.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57076 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-04 21:18:50 +00:00
Argyrios Kyrtzidis
0304b87cce Fix compilation error on MSVC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57046 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-04 08:11:49 +00:00
Dan Gohman
241f464d24 Fix fast-isel's handling of atomic instructions. They may 
expand to multiple basic blocks, in which case fast-isel
needs to informed of which block to use as it resumes
inserting instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57040 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-04 00:56:36 +00:00
Dan Gohman
022b21ff7c Fix a bug in the local allocator's liveness computation where it 
was setting kill flags on tied uses in two-address instructions.
The kill flags were causing the allocator to think it could
allocate the use and its tied def in different registers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57039 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-04 00:31:14 +00:00
Dale Johannesen
1b54c7fe9b Pass MemOperand through for 64-bit atomics on 32-bit, 
incidentally making the case where the memop is a
pointer deref work.  Fix cmp-and-swap regression.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57027 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-03 19:41:08 +00:00
Dan Gohman
ca0a5d9356 Use -1ULL instead of uint64_t(-1), at Anton's suggestion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57021 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-03 17:56:45 +00:00
Evan Cheng
17a82eaeb6 Fix typos pointed out by Duncan. Also untabify these files. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57018 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-03 17:11:58 +00:00
Dan Gohman
d735b8019b Switch the MachineOperand accessors back to the short names like 
isReg, etc., from isRegister, etc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57006 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-03 15:45:36 +00:00
Duncan Sands
e47561ccff The result of getSetCCResultType (eg: i32) may be larger 
than the type an i1 is promoted to (eg: i8).  Account
for this.  Noticed by Tilmann Scheller on CellSPU; he
will hopefully take care of fixing this in LegalizeDAG
and adding a testcase!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56997 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-03 07:41:46 +00:00
Dan Gohman
91b6f97ce4 Implement fast-isel support for zero-extending from i1. 
It turns out that this is a fairly common operation,
and it's easy enough to handle.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56990 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-03 01:28:47 +00:00
Dan Gohman
d98d6203e4 Optimize conditional branches in X86FastISel. This replaces 
sequences like this:
       sete    %al
       testb   %al, %al
       jne     LBB11_1
with this:
       je      LBB11_1


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56969 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-02 22:15:21 +00:00
Dan Gohman
6ade6f55a8 Add a new MachineBasicBlock utility function, isLayoutSuccessor, that 
can be used when deciding if a block can transfer control to another
via a fall-through instead of a branch.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56968 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-02 22:09:09 +00:00
Andrew Lenharth
88ab90b475 fix build gcc 4.3 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56965 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-02 20:15:08 +00:00
Owen Anderson
8481ee7f52 Use a multimap rather than a map for holding the list of copies to insert, so we don't lose copies when two of them have 
the same source.  I don't know what I was thinking when I wrote this originally.
Note: There's probably a more efficient way to do this, but I need to think about it some more, and about what determinism
guarantees need to be present.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56964 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-02 19:40:33 +00:00
Dale Johannesen
48c1bc2ace Handle some 64-bit atomics on x86-32, some of the time. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56963 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-02 18:53:47 +00:00
Evan Cheng
b1290a6cc4 A Partitioned Boolean Quadratic Programming (PBQP) based register allocator. 
Contributed by Lang Hames.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56959 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-02 18:29:27 +00:00
Dan Gohman
d790a5ceee Fix a think-o in isSafeToMove. This fixes it from thinking that 
volatile memory references are safe to move.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56948 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-02 15:04:30 +00:00
Devang Patel
4ae641f4d1 Remove OptimizeForSize global. Use function attribute optsize. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56937 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-01 23:18:38 +00:00
Dan Gohman
dc756858f9 Enable FastISel by default (on x86 and x86-64) with the -fast option. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56930 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-01 20:39:19 +00:00
Dan Gohman
aeaf245db3 Make some implicit conversions explicit, to avoid compiler warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56927 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-01 19:58:59 +00:00
Dan Gohman
38ac062c2f Fold trivial two-operand tokenfactors where the operands are equal 
immediately.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56921 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-01 15:11:19 +00:00