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Commit Graph

566 Commits

Author SHA1 Message Date
Wesley Peck
d589353ad0 Renaming ISD::BIT_CONVERT to ISD::BITCAST to better reflect the LLVM IR concept.
llvm-svn: 119990
2010-11-23 03:31:01 +00:00
Chris Lattner
e50d695490 convert the operand bits into bitfields since they are all combinable in
different ways.  Add $non_lazy_ptr support, and proper lowering for
global values.

Now all the ppc regression tests pass with the new instruction printer.

llvm-svn: 119106
2010-11-15 03:13:19 +00:00
Chris Lattner
9a0a840839 add targetoperand flags for jump tables, constant pool and block address
nodes to indicate when ha16/lo16 modifiers should be used.  This lets
us pass PowerPC/indirectbr.ll.

The one annoying thing about this patch is that the MCSymbolExpr isn't
expressive enough to represent ha16(label1-label2) which we need on
PowerPC.  I have a terrible hack in the meantime, but this will have
to be revisited at some point.

Last major conversion item left is global variable references.

llvm-svn: 119105
2010-11-15 02:46:57 +00:00
Chris Lattner
3512e07ecf implement support for the MO_DARWIN_STUB TargetOperand flag,
and have isel apply to to call operands as required.  This allows
us to get $stub suffixes on label references on ppc/tiger with the
new instprinter, fixing two tests.  Only 2 to go.

llvm-svn: 119093
2010-11-14 23:42:06 +00:00
Duncan Sands
3bf2a701a5 In the calling convention logic, ValVT is always a legal type,
and as such can be represented by an MVT - the more complicated
EVT is not needed.  Use MVT for ValVT everywhere.

llvm-svn: 118245
2010-11-04 10:49:57 +00:00
Duncan Sands
f6e5e02c9b Inside the calling convention logic LocVT is always a simple
value type, so there is no point in passing it around using
an EVT.  Use the simpler MVT everywhere.  Rather than trying
to propagate this information maximally in all the code that
using the calling convention stuff, I chose to do a mainly
low impact change instead.

llvm-svn: 118167
2010-11-03 11:35:31 +00:00
John Thompson
6115a7f1d4 Inline asm multiple alternative constraints development phase 2 - improved basic logic, added initial platform support.
llvm-svn: 117667
2010-10-29 17:29:13 +00:00
Duncan Sands
0c166168a0 Remove some variables that are never really used
(gcc-4.6 warns about these).

llvm-svn: 117021
2010-10-21 16:03:28 +00:00
Jakob Stoklund Olesen
a0a5015a35 PowerPC varargs functions store live-in registers on the stack. Make sure we use
virtual registers for those stores since RegAllocFast requires that each live
physreg only be used once.

This fixes PR8357.

llvm-svn: 116222
2010-10-11 20:43:09 +00:00
Chris Lattner
2b428a0ab8 fix the expansion of va_arg instruction on PPC to know the arg
alignment for PPC32/64, avoiding some masking operations.

llvm-gcc expands vaarg inline instead of using the instruction
so it has never hit this.

llvm-svn: 116168
2010-10-10 18:34:00 +00:00
Chris Lattner
8cdc5e75f7 update a bunch of code to use the MachinePointerInfo version of getStore.
llvm-svn: 114461
2010-09-21 18:41:36 +00:00
Chris Lattner
86b3f287ce eliminate an old SelectionDAG::getTruncStore method, propagating
MachinePointerInfo around more.

llvm-svn: 114452
2010-09-21 17:42:31 +00:00
Chris Lattner
cdfd993df0 propagate MachinePointerInfo through various uses of the old
SelectionDAG::getExtLoad overload, and eliminate it.

llvm-svn: 114446
2010-09-21 17:04:51 +00:00
Chris Lattner
4320dda4fb convert the targets off the non-MachinePointerInfo of getLoad.
llvm-svn: 114410
2010-09-21 06:44:06 +00:00
Chris Lattner
f94de5bf46 reimplement memcpy/memmove/memset lowering to use MachinePointerInfo
instead of srcvalue/offset pairs.  This corrects SV info for mem 
operations whose size is > 32-bits.

llvm-svn: 114401
2010-09-21 05:40:29 +00:00
Chris Lattner
2edbad8a3d convert targets to the new MF.getMachineMemOperand interface.
llvm-svn: 114391
2010-09-21 04:39:43 +00:00
Torok Edwin
319c3f56c8 Use indirect calls in PowerPC JIT.
See PR5201. There is no way to know if direct calls will be within the allowed
range for BL. Hence emit all calls as indirect when in JIT mode.
Without this long-running applications will fail to JIT on PowerPC with a
relocation failure.

llvm-svn: 110246
2010-08-04 20:47:44 +00:00
Eli Friedman
40cb7d9994 PR7781: Fix incorrect shifting in PPCTargetLowering::LowerBUILD_VECTOR.
llvm-svn: 109998
2010-08-02 00:18:19 +00:00
Evan Cheng
22b3e8f3b1 Move getExtLoad() and (some) getLoad() DebugLoc argument after EVT argument for consistency sake.
llvm-svn: 107820
2010-07-07 22:15:37 +00:00
Dan Gohman
c768525273 Split the SDValue out of OutputArg so that SelectionDAG-independent
code can do calling-convention queries. This obviates OutputArgReg.

llvm-svn: 107786
2010-07-07 15:54:55 +00:00
Devang Patel
7ab104353b Propagate debug loc.
llvm-svn: 107710
2010-07-06 22:08:15 +00:00
Dan Gohman
808f334f79 Reapply r107655 with fixes; insert the pseudo instruction into
the block before calling the expansion hook. And don't
put EFLAGS in a mbb's live-in list twice.

llvm-svn: 107691
2010-07-06 20:24:04 +00:00
Dan Gohman
4d264f7e51 Revert r107655.
llvm-svn: 107668
2010-07-06 15:49:48 +00:00
Dan Gohman
6a73079aba Fix a bunch of custom-inserter functions to handle the case where
the pseudo instruction is not at the end of the block.

llvm-svn: 107655
2010-07-06 15:18:19 +00:00
Evan Cheng
47f3a2db40 Remove isSS argument from CreateFixedObject. Fixed objects cannot be spill slots so it's always false.
llvm-svn: 107550
2010-07-03 00:40:23 +00:00
Duncan Sands
b955b3bf92 Remove initialized but otherwise unused variables.
llvm-svn: 107127
2010-06-29 11:22:26 +00:00
Dale Johannesen
b1fc776fca The hasMemory argument is irrelevant to how the argument
for an "i" constraint should get lowered; PR 6309.  While
this argument was passed around a lot, this is the only
place it was used, so it goes away from a lot of other
places.

llvm-svn: 106893
2010-06-25 21:55:36 +00:00
Dan Gohman
0b5b93b20d Eliminate unnecessary uses of getZExtValue().
llvm-svn: 106279
2010-06-18 14:22:04 +00:00
Evan Cheng
241d2c434e Implement @llvm.returnaddress. rdar://8015977.
llvm-svn: 104421
2010-05-22 01:47:14 +00:00
Dale Johannesen
b10ca6bf4c Implement builtin_return_address(x) and builtin_frame_address(x)
on PPC for x!=0.  7624113.

llvm-svn: 102972
2010-05-03 22:59:34 +00:00
Dan Gohman
68f04d06c8 Get rid of the EdgeMapping map. Instead, just check for BasicBlock
changes before doing phi lowering for switches.

llvm-svn: 102809
2010-05-01 00:01:06 +00:00
Evan Cheng
dbfb7dc438 Implement -disable-non-leaf-fp-elim which disable frame pointer elimination
optimization for non-leaf functions. This will be hooked up to gcc's
-momit-leaf-frame-pointer option. rdar://7886181

llvm-svn: 101984
2010-04-21 03:18:23 +00:00
Dan Gohman
4ff2d817a3 Add more const qualifiers on TargetMachine and friends.
llvm-svn: 101977
2010-04-21 01:34:56 +00:00
Dan Gohman
a0f855157e Use const qualifiers with TargetLowering. This eliminates several
const_casts, and it reinforces the design of the Target classes being
immutable.

SelectionDAGISel::IsLegalToFold is now a static member function, because
PIC16 uses it in an unconventional way. There is more room for API
cleanup here.

And PIC16's AsmPrinter no longer uses TargetLowering.

llvm-svn: 101635
2010-04-17 15:26:15 +00:00
Dan Gohman
5c8db5ab3f Move per-function state out of TargetLowering subclasses and into
MachineFunctionInfo subclasses.

llvm-svn: 101634
2010-04-17 14:41:14 +00:00
Dan Gohman
1119e6060b Eliminate an unnecessary SelectionDAG dependency in getOptimalMemOpType.
llvm-svn: 101531
2010-04-16 20:11:05 +00:00
Dan Gohman
0e0b8cf9fd Add const qualifiers to CodeGen's use of LLVM IR constructs.
llvm-svn: 101334
2010-04-15 01:51:59 +00:00
Evan Cheng
3fa0b6fb03 Avoid using f64 to lower memcpy from constant string. It's cheaper to use i32 store of immediates.
llvm-svn: 100751
2010-04-08 07:37:57 +00:00
Mon P Wang
484bbe6aa9 Reapply address space patch after fixing an issue in MemCopyOptimizer.
Added support for address spaces and added a isVolatile field to memcpy, memmove, and memset,
e.g., llvm.memcpy.i32(i8*, i8*, i32, i32) -> llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1)

llvm-svn: 100304
2010-04-04 03:10:48 +00:00
Chris Lattner
58b7cca257 use DebugLoc default ctor instead of DebugLoc::getUnknownLoc()
llvm-svn: 100214
2010-04-02 20:16:16 +00:00
Evan Cheng
5d825988d0 Correctly lower memset / memcpy of undef. It should be a nop. PR6767.
llvm-svn: 100208
2010-04-02 19:36:14 +00:00
Mon P Wang
0ccf050ca3 Revert r100191 since it breaks objc in clang
llvm-svn: 100199
2010-04-02 18:43:02 +00:00
Mon P Wang
a01350755e Reapply address space patch after fixing an issue in MemCopyOptimizer.
Added support for address spaces and added a isVolatile field to memcpy, memmove, and memset,
e.g., llvm.memcpy.i32(i8*, i8*, i32, i32) -> llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1)

llvm-svn: 100191
2010-04-02 18:04:15 +00:00
Evan Cheng
dc26010cc1 Add comments about DstAlign and SrcAlign.
llvm-svn: 100132
2010-04-01 20:10:42 +00:00
Evan Cheng
8728924812 - Avoid using floating point stores to implement memset unless the value is zero.
- Do not try to infer GV alignment unless its type is sized. It's not possible to infer alignment if it has opaque type.

llvm-svn: 100118
2010-04-01 18:19:11 +00:00
Evan Cheng
562bb43207 Fix sdisel memcpy, memset, memmove lowering:
1. Makes it possible to lower with floating point loads and stores.
2. Avoid unaligned loads / stores unless it's fast.
3. Fix some memcpy lowering logic bug related to when to optimize a
   load from constant string into a constant.
4. Adjust x86 memcpy lowering threshold to make it more sane.
5. Fix x86 target hook so it uses vector and floating point memory
   ops more effectively.
rdar://7774704

llvm-svn: 100090
2010-04-01 06:04:33 +00:00
Bob Wilson
aae933cc81 Revert Mon Ping's change 99928, since it broke all the llvm-gcc buildbots.
llvm-svn: 99948
2010-03-30 22:27:04 +00:00
Mon P Wang
9351ea594a Added support for address spaces and added a isVolatile field to memcpy, memmove, and memset,
e.g., llvm.memcpy.i32(i8*, i8*, i32, i32) -> llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1)
A update of langref will occur in a subsequent checkin.

llvm-svn: 99928
2010-03-30 20:55:56 +00:00
Bill Wendling
5493cf6715 Now that the default for Darwin platforms is to place the LSDA into the TEXT
section, remove the target-specific code that performs this.

llvm-svn: 98580
2010-03-15 21:09:38 +00:00
Chris Lattner
241e8fa570 tidy indentation
llvm-svn: 98523
2010-03-14 22:44:11 +00:00