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98 Commits

Author SHA1 Message Date
Chris Lattner 229907cd11 land David Blaikie's patch to de-constify Type, with a few tweaks. 
llvm-svn: 135375
 2011-07-18 04:54:35 +00:00
Eric Christopher 0713a9d8fc Add a parameter to CCState so that it can access the MachineFunction. 
No functional change.

Part of PR6965

llvm-svn: 132763
 2011-06-08 23:55:35 +00:00
Eli Friedman 2518f8376d Make the logic for determining function alignment more explicit. No functionality change. 
llvm-svn: 131012
 2011-05-06 20:34:06 +00:00
Chris Lattner 0ab5e2cded Fix a ton of comment typos found by codespell. Patch by 
Luis Felipe Strano Moraes!

llvm-svn: 129558
 2011-04-15 05:18:47 +00:00
Owen Anderson b2c80da4ae Allow targets to specify a the type of the RHS of a shift parameterized on the type of the LHS. 
llvm-svn: 126518
 2011-02-25 21:41:48 +00:00
Chris Lattner 3e5fbd74ed rename MVT::Flag to MVT::Glue. "Flag" is a terrible name for 
something that just glues two nodes together, even if it is
sometimes used for flags.

llvm-svn: 122310
 2010-12-21 02:38:05 +00:00
Duncan Sands f5dda01f33 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
Chris Lattner 676c61db0e 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 7727d05dbb convert the targets off the non-MachinePointerInfo of getLoad. 
llvm-svn: 114410
 2010-09-21 06:44:06 +00:00
Dan Gohman fe7532a308 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 a3ca21b228 Propagate debug loc. 
llvm-svn: 107710
 2010-07-06 22:08:15 +00:00
Dan Gohman 3439629239 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 f4f04107ef Revert r107655. 
llvm-svn: 107668
 2010-07-06 15:49:48 +00:00
Dan Gohman 12205645a6 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 0664a67fe1 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
Evan Cheng 168ced94d8 Implement @llvm.returnaddress. rdar://8015977. 
llvm-svn: 104421
 2010-05-22 01:47:14 +00:00
Evan Cheng 738e920edf 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
Anton Korobeynikov ebbdfef2fc Implement indirect branches on MSP430 
llvm-svn: 102835
 2010-05-01 12:04:32 +00:00
Dan Gohman 25c1653700 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
Dan Gohman 21cea8ac2e 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
Chris Lattner 2104b8d36e rename llvm::llvm_report_error -> llvm::report_fatal_error 
llvm-svn: 100709
 2010-04-07 22:58:41 +00:00
Anton Korobeynikov e96503faa1 IT turns out that during jumpless setcc lowering eq and ne were swapped. 
This fixes PR6348

llvm-svn: 96734
 2010-02-21 12:28:58 +00:00
Anton Korobeynikov ab663a0bfe Move TLOF implementations to libCodegen to resolve layering violation. 
llvm-svn: 96288
 2010-02-15 22:37:53 +00:00
David Greene 27d044d65d Remove an assumption of default arguments. This is in anticipation of a 
change to SelectionDAG build APIs.

llvm-svn: 96234
 2010-02-15 16:56:22 +00:00
Duncan Sands 9dff9bec31 Uniformize the names of type predicates: rather than having isFloatTy and 
isInteger, we now have isFloatTy and isIntegerTy.  Requested by Chris!

llvm-svn: 96223
 2010-02-15 16:12:20 +00:00
Evan Cheng 6f36a083ef Revert 95130. 
llvm-svn: 95160
 2010-02-02 23:55:14 +00:00
Evan Cheng c1b0116ff1 Pass callsite return type to TargetLowering::LowerCall and use that to check sibcall eligibility. 
llvm-svn: 95130
 2010-02-02 21:29:10 +00:00
Evan Cheng 67a69dd2ed Eliminate target hook IsEligibleForTailCallOptimization. 
Target independent isel should always pass along the "tail call" property. Change
target hook LowerCall's parameter "isTailCall" into a refernce. If the target
decides it's impossible to honor the tail call request, it should set isTailCall
to false to make target independent isel happy.

llvm-svn: 94626
 2010-01-27 00:07:07 +00:00
Anton Korobeynikov a6450df92a zext / truncate is free on msp430. Inform codegen about this. 
llvm-svn: 93556
 2010-01-15 21:19:43 +00:00
Anton Korobeynikov 93a7d026a8 Enable bit tests and setcc stuff. 
llvm-svn: 93552
 2010-01-15 21:18:18 +00:00
Anton Korobeynikov 6826ce7e96 Add micro-optimization which allows us to fold imm into cmp. This allows us to save 1 word (sometimes) and reduce register pressure. 
llvm-svn: 93551
 2010-01-15 21:18:02 +00:00
Anton Korobeynikov cefa7addc8 Fix cmp emission on msp430: we definitely should turn stuff like 
"icmp lhs, rhs" into "cmp rhs, lhs". This should fix PR5979.

llvm-svn: 93496
 2010-01-15 01:29:49 +00:00
Anton Korobeynikov abf4ef0ee1 Remove pseudo-MI in custom inserter. 
llvm-svn: 93467
 2010-01-14 22:09:11 +00:00
Anton Korobeynikov d8f320947f Implement variable-width shifts. 
No testcase yet - it seems we're exposing generic codegen bugs.

llvm-svn: 91221
 2009-12-12 18:55:37 +00:00
Anton Korobeynikov e27e028cdd Lower setcc branchless, if this is profitable. 
Based on the patch by Brian Lucas!

llvm-svn: 91175
 2009-12-11 23:01:29 +00:00
Anton Korobeynikov 24a6316aaa Some pretty-printing 
llvm-svn: 90742
 2009-12-07 02:28:41 +00:00
Anton Korobeynikov ff4ab51400 Add lowering of returnaddr and frameaddr intrinsics. Shamelessly stolen from x86 :) 
llvm-svn: 90740
 2009-12-07 02:28:10 +00:00
Anton Korobeynikov b4be8ce537 Initial codegen support for MSP430 ISRs 
llvm-svn: 90739
 2009-12-07 02:27:53 +00:00
Anton Korobeynikov 28d3c733aa Add ability to select hw multiplier mode and select appropriate libcalls. 
llvm-svn: 90737
 2009-12-07 02:27:08 +00:00
Anton Korobeynikov abdf86d2be Minor optimization: when doing eq/ne comparions and RHS is a constant - swap operands, this will allow us to fold imm into comparison. 
llvm-svn: 89574
 2009-11-22 01:14:08 +00:00
Anton Korobeynikov a9c7bb724a Use 2-byte alignment for functions. 4 bytes are clear overkill here. 
llvm-svn: 89572
 2009-11-22 01:13:39 +00:00
David Greene 1fbe054450 Add a bool flag to StackObjects telling whether they reference spill 
slots.  The AsmPrinter will use this information to determine whether to
print a spill/reload comment.

Remove default argument values.  It's too easy to pass a wrong argument
value when multiple arguments have default values.  Make everything
explicit to trap bugs early.

Update all targets to adhere to the new interfaces..

llvm-svn: 87022
 2009-11-12 20:49:22 +00:00
Anton Korobeynikov cf84ab5043 First try of the post-inc operands handling... Not fully worked, though :( 
llvm-svn: 86386
 2009-11-07 17:15:25 +00:00
Anton Korobeynikov d3c8319f48 Add some dummy support for post-incremented loads 
llvm-svn: 86385
 2009-11-07 17:15:06 +00:00
Anton Korobeynikov f93bb39b03 Add 8 bit libcalls and make use of them for msp430 
llvm-svn: 86384
 2009-11-07 17:14:39 +00:00
Anton Korobeynikov 2983dcb1f2 Cosmetic changes, no functionality changes 
llvm-svn: 84773
 2009-10-21 19:16:49 +00:00
Evan Cheng 8759585aba Revert 84315 for now. Re-thinking the patch. 
llvm-svn: 84321
 2009-10-17 07:53:04 +00:00
Evan Cheng 0818d87ed1 Rename getFixedStack to getStackObject. The stack objects represented are not 
necessarily fixed. Only those will negative frame indices are "fixed."

llvm-svn: 84315
 2009-10-17 06:22:26 +00:00
Evan Cheng 9827ad39a7 Fix PR4926. When target hook EmitInstrWithCustomInserter() insert new basic blocks and update CFG, it should also inform sdisel of the changes so the phi source operands will come from the right basic blocks. 
llvm-svn: 82311
 2009-09-19 09:51:03 +00:00
Evan Cheng 270d0f986f Enhance EmitInstrWithCustomInserter() so target can specify CFG changes that sdisel will use to properly complete phi nodes. 
Not functionality change yet.

llvm-svn: 82273
 2009-09-18 21:02:19 +00:00