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Commit Graph

335 Commits

Author SHA1 Message Date
Chris Lattner
55043ef46a fix a long standing wart: all the ComplexPattern's were being
passed the root of the match, even though only a few patterns
actually needed this (one in X86, several in ARM [which should
be refactored anyway], and some in CellSPU that I don't feel 
like detangling).   Instead of requiring all ComplexPatterns to
take the dead root, have targets opt into getting the root by
putting SDNPWantRoot on the ComplexPattern.

llvm-svn: 114471
2010-09-21 20:31:19 +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
Michael J. Spencer
29dfbc4fbb CMake: Fix MSVS build. Although I don't know why this didn't break other build systems...
This problem is unrelated to the recent dependency tracking change. It
seems like noone noticed the problem because I don't think anyone compiles
any target other than X86 on windows.

llvm-svn: 113727
2010-09-12 18:32:57 +00:00
Jakob Stoklund Olesen
216f6cc9ae Remove Predicate_* calls from MBlaze and XCore
llvm-svn: 112920
2010-09-03 00:35:16 +00:00
Jim Grosbach
2b81a07dc7 Simplify eliminateFrameIndex() interface back down now that PEI doesn't need
to try to re-use scavenged frame index reference registers. rdar://8277890

llvm-svn: 112241
2010-08-26 23:32:16 +00:00
Oscar Fuentes
7186be986b CMake: Change somme target library names:
XCore->XCoreGen
PIC16->PIC16CodeGen

After updating your working copy, the first build will fail because it
is using the old library dependencies. Start the build again and it
will work fine.

llvm-svn: 110127
2010-08-03 17:40:31 +00:00
Jakob Stoklund Olesen
44949b2e1b Remove the isMoveInstr() hook.
llvm-svn: 108567
2010-07-16 22:35:46 +00:00
Jakob Stoklund Olesen
24994a5d4c Avoid isMoveInstr when printing XCore pseudo-moves.
llvm-svn: 108566
2010-07-16 22:35:37 +00:00
Bill Wendling
e2833a21c2 Rename DBG_LABEL PROLOG_LABEL, because it's only used during prolog emission and
thus is a much more meaningful name.

llvm-svn: 108563
2010-07-16 22:20:36 +00:00
Benjamin Kramer
da3e6cdb26 Don't pass StringRef by reference.
llvm-svn: 108366
2010-07-14 22:38:02 +00:00
Jakob Stoklund Olesen
8b636d6456 Replace copyRegToReg with copyPhysReg for XCore.
llvm-svn: 108087
2010-07-11 07:56:13 +00:00
Dan Gohman
fef30fcd5e Reapply bottom-up fast-isel, with several fixes for x86-32:
- Check getBytesToPopOnReturn().
 - Eschew ST0 and ST1 for return values.
 - Fix the PIC base register initialization so that it doesn't ever
   fail to end up the top of the entry block.

llvm-svn: 108039
2010-07-10 09:00:22 +00:00
Bob Wilson
9e8c9204ef --- Reverse-merging r107947 into '.':
U    utils/TableGen/FastISelEmitter.cpp
--- Reverse-merging r107943 into '.':
U    test/CodeGen/X86/fast-isel.ll
U    test/CodeGen/X86/fast-isel-loads.ll
U    include/llvm/Target/TargetLowering.h
U    include/llvm/Support/PassNameParser.h
U    include/llvm/CodeGen/FunctionLoweringInfo.h
U    include/llvm/CodeGen/CallingConvLower.h
U    include/llvm/CodeGen/FastISel.h
U    include/llvm/CodeGen/SelectionDAGISel.h
U    lib/CodeGen/LLVMTargetMachine.cpp
U    lib/CodeGen/CallingConvLower.cpp
U    lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
U    lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
U    lib/CodeGen/SelectionDAG/FastISel.cpp
U    lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
U    lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp
U    lib/CodeGen/SelectionDAG/InstrEmitter.cpp
U    lib/CodeGen/SelectionDAG/TargetLowering.cpp
U    lib/Target/XCore/XCoreISelLowering.cpp
U    lib/Target/XCore/XCoreISelLowering.h
U    lib/Target/X86/X86ISelLowering.cpp
U    lib/Target/X86/X86FastISel.cpp
U    lib/Target/X86/X86ISelLowering.h

llvm-svn: 107987
2010-07-09 16:37:18 +00:00
Dan Gohman
7e6e4dd058 Re-apply bottom-up fast-isel, with fixes. Be very careful to avoid emitting
a DBG_VALUE after a terminator, or emitting any instructions before an EH_LABEL.

llvm-svn: 107943
2010-07-09 00:39:23 +00:00
Dan Gohman
4dcc56a102 Revert 107840 107839 107813 107804 107800 107797 107791.
Debug info intrinsics win for now.

llvm-svn: 107850
2010-07-08 01:00:56 +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
424cc6b616 Add X86FastISel support for return statements. This entails refactoring
a bunch of stuff, to allow the target-independent calling convention
logic to be employed.

llvm-svn: 107800
2010-07-07 18:32:53 +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
Dan Gohman
d409104054 CanLowerReturn doesn't need a SelectionDAG; it just needs an LLVMContext.
SelectBasicBlock doesn't needs its BasicBlock argument.

llvm-svn: 107712
2010-07-06 22:19:37 +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
Bill Wendling
90b6422f2f Implement the "linker_private_weak" linkage type. This will be used for
Objective-C metadata types which should be marked as "weak", but which the
linker will remove upon final linkage. However, this linkage isn't specific to
Objective-C.

For example, the "objc_msgSend_fixup_alloc" symbol is defined like this:

      .globl l_objc_msgSend_fixup_alloc
      .weak_definition l_objc_msgSend_fixup_alloc
      .section __DATA, __objc_msgrefs, coalesced
      .align 3
l_objc_msgSend_fixup_alloc:
       .quad   _objc_msgSend_fixup
       .quad   L_OBJC_METH_VAR_NAME_1

This is different from the "linker_private" linkage type, because it can't have
the metadata defined with ".weak_definition".

Currently only supported on Darwin platforms.

llvm-svn: 107433
2010-07-01 21:55:59 +00:00
Bill Wendling
59ef9bcc6d Revert r107205 and r107207.
llvm-svn: 107215
2010-06-29 22:34:52 +00:00
Bill Wendling
05a4c0b1f2 Introducing the "linker_weak" linkage type. This will be used for Objective-C
metadata types which should be marked as "weak", but which the linker will
remove upon final linkage. For example, the "objc_msgSend_fixup_alloc" symbol is
defined like this:

       .globl l_objc_msgSend_fixup_alloc
       .weak_definition l_objc_msgSend_fixup_alloc
       .section __DATA, __objc_msgrefs, coalesced
       .align 3
l_objc_msgSend_fixup_alloc:
        .quad   _objc_msgSend_fixup
        .quad   L_OBJC_METH_VAR_NAME_1

This is different from the "linker_private" linkage type, because it can't have
the metadata defined with ".weak_definition".

llvm-svn: 107205
2010-06-29 21:24:00 +00:00
Duncan Sands
b955b3bf92 Remove initialized but otherwise unused variables.
llvm-svn: 107127
2010-06-29 11:22:26 +00:00
Eric Christopher
2dae43dbe4 Remove isTwoAddress from XCore.
llvm-svn: 106446
2010-06-21 18:51:38 +00:00
Stuart Hastings
bd7194d21c Add a DebugLoc parameter to TargetInstrInfo::InsertBranch(). This
addresses a longstanding deficiency noted in many FIXMEs scattered
across all the targets.

This effectively moves the problem up one level, replacing eleven
FIXMEs in the targets with eight FIXMEs in CodeGen, plus one path
through FastISel where we actually supply a DebugLoc, fixing Radar
7421831.

llvm-svn: 106243
2010-06-17 22:43:56 +00:00
Rafael Espindola
f7170870cf Remove the TargetRegisterClass member from CalleeSavedInfo
llvm-svn: 105344
2010-06-02 20:02:30 +00:00
Rafael Espindola
9113809536 cleanup
llvm-svn: 105322
2010-06-02 13:53:17 +00:00
Evan Cheng
241d2c434e Implement @llvm.returnaddress. rdar://8015977.
llvm-svn: 104421
2010-05-22 01:47:14 +00:00
Evan Cheng
46e08acfa5 Code refactoring: pull SchedPreference enum from TargetLowering.h to TargetMachine.h and put it in its own namespace.
llvm-svn: 104147
2010-05-19 20:19:50 +00:00
Dan Gohman
fb6f4da0e0 Implement a bunch more TargetSelectionDAGInfo infrastructure.
Move EmitTargetCodeForMemcpy, EmitTargetCodeForMemset, and
EmitTargetCodeForMemmove out of TargetLowering and into
SelectionDAGInfo to exercise this.

llvm-svn: 103481
2010-05-11 17:31:57 +00:00
Dan Gohman
497e752655 Add a DebugLoc argument to TargetInstrInfo::copyRegToReg, so that it
doesn't have to guess.

llvm-svn: 103194
2010-05-06 20:33:48 +00:00
Evan Cheng
80f3051bb7 Add argument TargetRegisterInfo to loadRegFromStackSlot and storeRegToStackSlot.
llvm-svn: 103193
2010-05-06 19:06:44 +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
Chris Lattner
19715b76b7 further simplify EmitAlignment by eliminating the
ForcedAlignBits argument, tweaking the single client of it.

llvm-svn: 102484
2010-04-28 01:08:40 +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
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
982923742d Add skeleton target-specific SelectionDAGInfo files.
llvm-svn: 101564
2010-04-16 23:04:22 +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
Chris Lattner
1cf4bded13 move elf section uniquing to MCContext. Along the way
merge XCore's section into MCSectionELF

llvm-svn: 100812
2010-04-08 21:26:26 +00:00
Benjamin Kramer
0fb23008bb Use twines to simplify calls to report_fatal_error. For code size and readability.
llvm-svn: 100756
2010-04-08 10:44:28 +00:00
Chris Lattner
80b41881bc rename llvm::llvm_report_error -> llvm::report_fatal_error
llvm-svn: 100709
2010-04-07 22:58:41 +00:00