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69 Commits

Author SHA1 Message Date
Evan Cheng
022d9e1cef Revert 95130. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95160 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-02 23:55:14 +00:00
Evan Cheng
942619695f Pass callsite return type to TargetLowering::LowerCall and use that to check sibcall eligibility. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95130 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-02 21:29:10 +00:00
Evan Cheng
0c439eb2c8 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94626 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-27 00:07:07 +00:00
David Greene
3f2bf85d14 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..


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@87022 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-12 20:49:22 +00:00
Chris Lattner
8f9b0f6e88 add some missing #includes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86367 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-07 09:20:54 +00:00
Evan Cheng
a1eaa3c52b Add a second ValueType argument to isFPImmLegal. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85361 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-28 01:43:28 +00:00
Dan Gohman
aa123224c4 Update SystemZ to use PSW following the way x86 uses EFLAGS. Besides 
eliminating a use of MVT::Flag, this is needed for an upcoming CodeGen
change.

This unfortunately requires SystemZ to switch to the list-burr
scheduler, in order to handle the physreg defs properly, however
that's what LLVM has available at this time.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85357 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-28 00:55:57 +00:00
Evan Cheng
eb2f969a4d Do away with addLegalFPImmediate. Add a target hook isFPImmLegal which returns true if the fp immediate can be natively codegened by target. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85281 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-27 19:56:55 +00:00
Evan Cheng
6553155172 Revert 84315 for now. Re-thinking the patch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84321 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-17 07:53:04 +00:00
Evan Cheng
bf125583f8 Rename getFixedStack to getStackObject. The stack objects represented are not 
necessarily fixed. Only those will negative frame indices are "fixed."


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84315 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-17 06:22:26 +00:00
Evan Cheng
ce31910eae 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. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82311 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-19 09:51:03 +00:00
Evan Cheng
fb2e752e41 Enhance EmitInstrWithCustomInserter() so target can specify CFG changes that sdisel will use to properly complete phi nodes. 
Not functionality change yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82273 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-18 21:02:19 +00:00
Sandeep Patel
65c3c8f323 Retype from unsigned to CallingConv::ID accordingly. Approved by Bob Wilson. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80773 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-02 08:44:58 +00:00
Chris Lattner
4437ae213d eliminate uses of cerr() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79834 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-23 07:05:07 +00:00
Anton Korobeynikov
fc9489a4c6 Expand few nodes until someone will be crazy enough to implement them natively :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79659 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-21 18:52:42 +00:00
Anton Korobeynikov
3c2734c82b Handle 'r' inline asm constraint 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79648 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-21 18:15:41 +00:00
Owen Anderson
825b72b057 Split EVT into MVT and EVT, the former representing _just_ a primitive type, while 
the latter is capable of representing either a primitive or an extended type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78713 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-11 20:47:22 +00:00
Owen Anderson
e50ed30282 Rename MVT to EVT, in preparation for splitting SimpleValueType out into its own struct type. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78610 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-10 22:56:29 +00:00
Dan Gohman
98ca4f2a32 Major calling convention code refactoring. 
Instead of awkwardly encoding calling-convention information with ISD::CALL,
ISD::FORMAL_ARGUMENTS, ISD::RET, and ISD::ARG_FLAGS nodes, TargetLowering
provides three virtual functions for targets to override:
LowerFormalArguments, LowerCall, and LowerRet, which replace the custom
lowering done on the special nodes. They provide the same information, but
in a more immediately usable format.

This also reworks much of the target-independent tail call logic. The
decision of whether or not to perform a tail call is now cleanly split
between target-independent portions, and the target dependent portion
in IsEligibleForTailCallOptimization.

This also synchronizes all in-tree targets, to help enable future
refactoring and feature work.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78142 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 01:29:28 +00:00
Chris Lattner
f0144127b9 Rip all of the global variable lowering logic out of TargetAsmInfo. Since 
it is highly specific to the object file that will be generated in the end,
this introduces a new TargetLoweringObjectFile interface that is implemented
for each of ELF/MachO/COFF/Alpha/PIC16 and XCore.

Though still is still a brutal and ugly refactoring, this is a major step
towards goodness.

This patch also:
1. fixes a bunch of dangling pointer problems in the PIC16 backend.
2. disables the TargetLowering copy ctor which PIC16 was accidentally using.
3. gets us closer to xcore having its own crazy target section flags and
   pic16 not having to shadow sections with its own objects.
4. fixes wierdness where ELF targets would set CStringSection but not
   CStringSection_.  Factor the code better.
5. fixes some bugs in string lowering on ELF targets.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77294 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-28 03:13:23 +00:00
Owen Anderson
e922c02019 Get rid of the Pass+Context magic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76702 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-22 00:24:57 +00:00
Eli Friedman
e748285e1b Missed a piece of the commit to remove the shift flavor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76635 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-21 20:15:24 +00:00
Anton Korobeynikov
6323a83e2c Expand frem 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76315 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-18 13:44:25 +00:00
Anton Korobeynikov
6d94eff354 Turn abort() into unreachable 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76314 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-18 13:34:59 +00:00
Anton Korobeynikov
31e874490a Turn few asserts into errors / unreachable's 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76313 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-18 13:33:17 +00:00
Anton Korobeynikov
0cca06905b Provide expansion for ct* intrinsics 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76311 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-18 12:26:13 +00:00
Anton Korobeynikov
e37a37de77 Expand sext_inreg for i1 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76310 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-18 12:20:36 +00:00
Anton Korobeynikov
7df8462038 Unbreak 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76064 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:36:52 +00:00
Anton Korobeynikov
bb8a04806d Expand 32-bit bitconverts via memory 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76050 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:30:29 +00:00
Anton Korobeynikov
c1a1e4adb7 i32 values are passed extended also on stack. Handle this in generic way 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76047 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:29:05 +00:00
Anton Korobeynikov
159ac63ba1 We definitely have 1-0 bools 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76046 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:28:46 +00:00
Anton Korobeynikov
361a78756b Out GR128 regclass is not a 'real' i128 one. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76044 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:27:53 +00:00
Anton Korobeynikov
05a0b8bc66 Handle bitconverts 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76042 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:27:01 +00:00
Anton Korobeynikov
98db78a28b Expand fp_to_uint too 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76040 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:26:06 +00:00
Anton Korobeynikov
20d062fcc1 We don't have FP truncstores 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76039 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:25:46 +00:00
Anton Korobeynikov
a89430e468 Expand uint_to_fp 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76038 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:25:30 +00:00
Anton Korobeynikov
1ada84daaf Make FP zero to be legal FP immediate via LOAD ZERO 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76034 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:24:16 +00:00
Anton Korobeynikov
85c5c3f138 Proper FP extloads 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76028 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:22:46 +00:00
Anton Korobeynikov
299dc78d67 Add proper PWS impdef's 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76027 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:22:30 +00:00
Anton Korobeynikov
da723d7d91 Propagate FP select_cc to dag inserters 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76026 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:22:15 +00:00
Anton Korobeynikov
9b4ae577ce We don't have native sine / cosine instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76021 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:20:56 +00:00
Anton Korobeynikov
23eff5c75a We don't have any FP extloads 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76018 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:20:08 +00:00
Anton Korobeynikov
10c086cd77 Implement all comparisons 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76017 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:19:54 +00:00
Anton Korobeynikov
ae53567de1 Add constpool lowering / printing 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76016 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:19:35 +00:00
Anton Korobeynikov
0e31d5cf80 Allow FP arguments pass / return 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76015 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:19:16 +00:00
Anton Korobeynikov
2c97ae8826 Register FP regclasses 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76014 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:19:02 +00:00
Anton Korobeynikov
6fe326c713 Implement 'large' PIC model 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76006 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:16:05 +00:00
Anton Korobeynikov
48e8b3cc58 Implement shifts properly (hopefilly - finally!) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76005 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:15:24 +00:00
Anton Korobeynikov
0a42d2b437 Properly handle divides. As a bonus - implement memory versions of them. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76003 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:14:33 +00:00
Anton Korobeynikov
980d5503c3 Emit proper lowering of load from arg stack slot 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75986 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 14:08:42 +00:00