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Author SHA1 Message Date
Chris Lattner
f70107fe1c add a note. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48583 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-20 04:46:13 +00:00
Evan Cheng
260e07ec8c Fix this xform: (sra (shl X, m), result_size) -> (sign_extend (trunc (shl X, result_size - n - m))) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48578 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-20 02:18:41 +00:00
Chris Lattner
71a2cb25eb detabify llvm, patch by Mike Stump! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48577 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-20 01:22:40 +00:00
Scott Michel
79698f60c4 Add more patterns to match in the integer comparison test harnesses. 
Fix bugs encountered, mostly due to range matching for immediates;
the CellSPU's 10-bit immediates are sign extended, covering a
larger range of unsigned values.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48575 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-20 00:51:36 +00:00
Evan Cheng
dff1dcac6c Add intrinsics to match mmx shift builtin's with immediate operand. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48569 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-19 23:38:52 +00:00
Devang Patel
c758209153 PassInfo keep tracks whether a pass is an analysis pass or not. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48554 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-19 21:56:59 +00:00
Dan Gohman
7925ed05d0 Add support for multiple return values for the PPC target by 
converting call result lowering to use the CallingConvLowering
infastructure.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48552 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-19 21:39:28 +00:00
Arnold Schwaighofer
4fe3073cfb Don't loose incoming argument registers. Fix documentation style. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48545 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-19 16:39:45 +00:00
Christopher Lamb
15cbde3cf6 Fix X86's isTruncateFree to not claim that truncate to i1 is free. This fixes Bill's testcase that failed for r48491. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48542 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-19 08:30:06 +00:00
Bill Wendling
bebc3642d3 On Darwin, GCC issues a ".globl" for something that has a "visibility protected" 
attribute instead of ".protected".


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48516 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-18 23:38:12 +00:00
Evan Cheng
586ccac4ec Fix a x86-64 isel lowering bug that's been around forever. A x86-64 varargs function implicitly reads X86::AL, don't clobber it! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48515 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-18 23:36:35 +00:00
Dale Johannesen
257f75d0b8 Make Complex long long/double/long double work 
in ppc64 mode.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48459 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-17 17:11:08 +00:00
Chris Lattner
315123fb6a Check in some #ifdef'd out code switching call argument 
lowering over to SparcCallingConv.td.  We can't make the switch
yet because we can't say to pass f64 registers in 2 x i32 registers
with the td file yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48449 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-17 06:58:37 +00:00
Chris Lattner
e0b1215a92 minor cleanups 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48448 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-17 06:57:02 +00:00
Evan Cheng
d183307639 Unbreak JIT. Ignore TargetInstrInfo::IMPLICIT_DEF. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48447 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-17 06:56:52 +00:00
Chris Lattner
b26bc75213 remove dead code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48445 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-17 06:04:10 +00:00
Chris Lattner
98949a6d2c Switch sparc from using LowerCallTo to using LowerOperation(CALL) like 
other targets.  Use autogenerated calling conv to lower result of
calls.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48444 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-17 06:01:07 +00:00
Chris Lattner
5a65b92830 Start moving sparc to use SparcCallingConv.td, switching over 
return lowering first.  This fixes a bug where the top and bottom
of i64 values were returned in the wrong registers before.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48443 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-17 05:41:48 +00:00
Chris Lattner
d23405e6f0 split sparc lowering out into SparcISelLowering.{cpp|h} to follow 
best practices.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48442 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-17 03:21:36 +00:00
Chris Lattner
601fe38b1e refactor the LowerOperation code out to individual functions for 
each lowering, which is 'best practice'.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48441 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-17 02:52:07 +00:00
Dale Johannesen
fdd3ade005 Next round of PPC32 ABI changes. Allow for gcc 
behavior where a callee thinks a param will be
present in memory, even though the ABI doc says
it doesn't have to be.  Handle complex long long
and complex double (4 and 8 return regs).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48439 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-17 02:13:43 +00:00
Chris Lattner
349155b671 various rotate fun. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48438 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-17 01:47:51 +00:00
Nate Begeman
bc4efb8ac7 Add a couple missing SSE4 instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48430 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-16 21:14:46 +00:00
Gordon Henriksen
3e0c835593 C and Objective Caml bindings for the TargetData class. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48422 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-16 20:08:03 +00:00
Christopher Lamb
c929823525 Make insert_subreg a two-address instruction, vastly simplifying LowerSubregs pass. Add a new TII, subreg_to_reg, which is like insert_subreg except that it takes an immediate implicit value to insert into rather than a register. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48412 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-16 03:12:01 +00:00
Evan Cheng
20ccded7de Remove isImplicitDef TargetInstrDesc flag. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48381 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-15 00:19:36 +00:00
Evan Cheng
da47e6e0d0 Replace all target specific implicit def instructions with a target independent one: TargetInstrInfo::IMPLICIT_DEF. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48380 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-15 00:03:38 +00:00
Dale Johannesen
8f5422c24b Implement the real calling convention for ppc32 Altivec: 
vectors go at the end of the memory area, after all
non-vector parameters.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48364 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-14 17:41:26 +00:00
Evan Cheng
029d9dafa0 Fix some 80 col violations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48361 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-14 07:46:48 +00:00
Evan Cheng
172b794cd5 Fix a number of encoding bugs. SSE 4.1 instructions MPSADBWrri, PINSRDrr, etc. have 8-bits immediate field (ImmT == Imm8). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48360 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-14 07:39:27 +00:00
Evan Cheng
17ed8fa63d Add debugging stuff. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48359 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-14 07:13:42 +00:00
Chris Lattner
69a74ab421 Add an issue that is preventing instcombine from doing a simplification. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48356 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-14 06:00:19 +00:00
Dan Gohman
704df9fcbd Use SDTNone instead of duplicating it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48346 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-13 23:07:40 +00:00
Christopher Lamb
6634e26aa1 Get rid of a pseudo instruction and replace it with subreg based operation on real instructions, ridding the asm printers of the hack used to do this previously. In the process, update LowerSubregs to be careful about eliminating copies that have side affects. 
Note: the coalescer will have to be careful about this too, when it starts coalescing insert_subreg nodes.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48329 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-13 05:47:01 +00:00
Dale Johannesen
d75686a471 Do not promote float params to double in varargs 
calls here.  This was done earlier for params in
the varargs part of the params; any float params
that survive to here are in the non-varargs part,
and must not be promoted.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48310 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-12 23:40:01 +00:00
Chris Lattner
58d74910c6 Reimplement the parameter attributes support, phase #1. hilights: 
1. There is now a "PAListPtr" class, which is a smart pointer around
   the underlying uniqued parameter attribute list object, and manages
   its refcount.  It is now impossible to mess up the refcount.
2. PAListPtr is now the main interface to the underlying object, and
   the underlying object is now completely opaque.
3. Implementation details like SmallVector and FoldingSet are now no
   longer part of the interface.
4. You can create a PAListPtr with an arbitrary sequence of
   ParamAttrsWithIndex's, no need to make a SmallVector of a specific 
   size (you can just use an array or scalar or vector if you wish).
5. All the client code that had to check for a null pointer before
   dereferencing the pointer is simplified to just access the 
   PAListPtr directly.
6. The interfaces for adding attrs to a list and removing them is a
   bit simpler.

Phase #2 will rename some stuff (e.g. PAListPtr) and do other less 
invasive changes.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48289 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-12 17:45:29 +00:00
Evan Cheng
c8e3b147ee Clean up my own mess. 
X86 lowering normalize vector 0 to v4i32. However DAGCombine can fold (sub x, x) -> 0 after legalization. It can create a zero vector of a type that's not expected (e.g. v8i16). We don't want to disable the optimization since leaving a (sub x, x) is really bad. Add isel patterns for other types of vector 0 to ensure correctness. It's highly unlikely to happen other than in bugpoint reduced test cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48279 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-12 07:02:50 +00:00
Dale Johannesen
404d99010d One more bit of Altivec parameter passing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48269 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-12 00:49:20 +00:00
Dale Johannesen
75092de483 Implement Altivec passing to varargs functions on ppc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48264 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-12 00:22:17 +00:00
Anton Korobeynikov
4d86e2a6b8 Correctly propagate thread-local flag from aliasee to alias. This fixes PR2137 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48257 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 22:38:53 +00:00
Dan Gohman
bfae83139d Use PassManagerBase instead of FunctionPassManager for functions 
that merely add passes. This allows them to be used with either
FunctionPassManager or PassManager, or even with a custom new
kind of pass manager.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48256 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 22:29:46 +00:00
Chris Lattner
e12ecf272d Implement basic support for the 'f' register class constraint. This basically 
works, but probably won't if you mix it with 't' or 'u' yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48243 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 19:50:13 +00:00
Chris Lattner
1d38677e34 coalesce away 80-bit floating point copies. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48241 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 19:30:09 +00:00
Chris Lattner
07f7cc3ddb convert a massive if statement to a switch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48240 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 19:28:17 +00:00
Chris Lattner
fce84acbbc start handling the 'f' x87 constraint. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48239 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 19:06:29 +00:00
Christopher Lamb
1bc1008b38 Missed part of recommit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48224 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 10:27:36 +00:00
Christopher Lamb
1fab4a6bbb Recommitting parts of r48130. These do not appear to cause the observed failures. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48223 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 10:09:17 +00:00
Evan Cheng
fa2f786f4e If there are multiple register classes that a register belongs to, return the super-class (e.g. on x86, returns GR32, not GR32_). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48220 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 07:54:14 +00:00
Evan Cheng
676dd7c80b When the register allocator runs out of registers, spill a physical register around the def's and use's of the interval being allocated to make it possible for the interval to target a register and spill it right away and restore a register for uses. This likely generates terrible code but is before than aborting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48218 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 07:19:34 +00:00
Evan Cheng
204496d58e In 32-bit mode, mark 64-bit GPR's as unallocatable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48217 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 07:16:00 +00:00