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release_31
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332 Commits

Author SHA1 Message Date
Bill Wendling
ad41289035 Merging r155287: 
------------------------------------------------------------------------
r155287 | chapuni | 2012-04-21 08:31:45 -0700 (Sat, 21 Apr 2012) | 3 lines

llvm/lib/Target: [PR12611] Add "llvm/Support/raw_ostream.h" for Debug build on MSVC.

Thanks to Andy Gibbs, to report the issue.
------------------------------------------------------------------------


git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_31@155378 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-23 18:34:50 +00:00
Akira Hatanaka
1cc6333161 Emit neg.s or neg.d only if -enable-no-nans-fp-math is supplied by user, 
otherwise expand FNEG during legalization.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154546 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-11 22:59:08 +00:00
Akira Hatanaka
c12a6e6b53 Emit abs.s or abs.d only if -enable-no-nans-fp-math is supplied by user. 
Invalid operation is signaled if the operand of these instructions is NaN.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154545 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-11 22:49:04 +00:00
Akira Hatanaka
056c51e598 Fix bugs in lowering of FCOPYSIGN nodes. 
- FCOPYSIGN nodes that have operands of different types were not handled.
- Different code was generated depending on the endianness of the target.

Additionally, code is added that emits INS and EXT instructions, if they are
supported by target (they are R2 instructions).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154540 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-11 22:13:04 +00:00
Akira Hatanaka
56ce6b3520 Reapply 154038 without the failing test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154062 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-04 22:16:36 +00:00
Owen Anderson
657a4e774c Revert r154038. It was causing make check failures. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154054 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-04 21:18:58 +00:00
Akira Hatanaka
e825fb3888 Fix LowerGlobalAddress to produce instructions with the correct relocation 
types for N32 ABI. Add new test case and update existing ones.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154038 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-04 19:02:38 +00:00
Akira Hatanaka
c75ceb7809 Fix LowerJumpTable to produce instructions with the correct relocation 
types for N32 ABI. Test case will be updated after the patch that fixes
TargetLowering::getPICJumpTableRelocBase is checked in.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154036 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-04 18:31:32 +00:00
Akira Hatanaka
86a2733055 Fix LowerConstantPool to produce instructions with the correct relocation 
types for N32 ABI and update test case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154034 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-04 18:26:12 +00:00
Akira Hatanaka
03d830e4f9 Fix LowerBlockAddress to produce instructions with the correct relocation 
types for N32 ABI and update test case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154031 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-04 18:22:53 +00:00
Akira Hatanaka
21ecc2f4ed Expand FREM. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153671 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-29 18:43:11 +00:00
Akira Hatanaka
b4549e1c0e Pass the llvm IR pointer value and offset to the constructor of 
MachinePointerInfo when getStore is called to create a node that stores an
argument passed in register to the stack. Without this change, the post RA 
scheduler will fail to discover the dependencies between the stores
instructions and the instructions that load from a structure passed by value. 

The link to the related discussion is here:
http://lists.cs.uiuc.edu/pipermail/llvmdev/2012-March/048055.html


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153499 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-27 03:13:56 +00:00
Akira Hatanaka
13daee3082 Fix bug in LowerConstantPool. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153498 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-27 02:55:31 +00:00
Craig Topper
79aa3417eb Reorder includes in Target backends to following coding standards. Remove some superfluous forward declarations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152997 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-17 18:46:09 +00:00
Craig Topper
c5eaae4e9b Convert more static tables of registers used by calling convention to uint16_t to reduce space. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152538 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-11 07:57:25 +00:00
Akira Hatanaka
d229b7b8f4 Do not custom lower i64 nodes if i64 is not a legal type. Move lines that set 
operation action of nodes.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152452 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-10 00:03:50 +00:00
Akira Hatanaka
0a40c2353c Lower SETCC nodes during legalization. Previously, it was lowered in DAG combine pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152450 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-09 23:46:03 +00:00
Akira Hatanaka
ee8c3b03fb Invoke setTargetDAGCombine for SELECT. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152290 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-08 03:26:37 +00:00
Akira Hatanaka
e2bdf7fc93 Swap the operands of a select node if the false (the second) operand is 0. 
For example, this pattern 
(select (setcc lhs, rhs, cc), true, 0)
is transformed to this one:
(select (setcc lhs, rhs, inverse(cc)), 0, true)

This enables MipsDAGToDAGISel::ReplaceUsesWithZeroReg (added in r152280) to
replace 0 with $zero.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152285 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-08 02:14:24 +00:00
Akira Hatanaka
5fdf50065d Set minimum function alignment to 3 if target is Mips64. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152282 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-08 01:59:33 +00:00
Akira Hatanaka
b2930b92d3 Changes for migrating to using register mask operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151847 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-01 22:27:29 +00:00
Akira Hatanaka
dfa27aea12 Fix bugs which were introduced when support for base+index floating point loads 
and stores was added.

- SelectAddr should return false if Parent is an unaligned f32 load or store.
- Only aligned load and store nodes should be matched to select reg+imm
  floating point instructions.
- MIPS does not have support for f64 unaligned load or store instructions.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151843 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-01 22:12:30 +00:00
Evan Cheng
4bfcd4acbc Re-commit r151623 with fix. Only issue special no-return calls if it's a direct call. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151645 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-28 18:51:51 +00:00
Daniel Dunbar
20bd5296ce Revert r151623 "Some ARM implementaions, e.g. A-series, does return stack prediction. ...", it is breaking the Clang build during the Compiler-RT part. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151630 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-28 15:36:07 +00:00
Jia Liu
bb481f8820 remove blanks, and some code format 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151625 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-28 07:46:26 +00:00
Evan Cheng
ec52aaa12f Some ARM implementaions, e.g. A-series, does return stack prediction. That is, 
the processor keeps a return addresses stack (RAS) which stores the address
and the instruction execution state of the instruction after a function-call
type branch instruction.

Calling a "noreturn" function with normal call instructions (e.g. bl) can
corrupt RAS and causes 100% return misprediction so LLVM should use a
unconditional branch instead. i.e.
mov lr, pc
b _foo
The "mov lr, pc" is issued in order to get proper backtrace.

rdar://8979299


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151623 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-28 06:42:03 +00:00
Akira Hatanaka
44b6c715ac Add support for floating point base register + offset register addressing mode 
load and store instructions.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151611 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-28 02:55:02 +00:00
Akira Hatanaka
648f00c2f0 Add an option to use a virtual register as the global base register instead of 
reserving a physical register ($gp or $28) for that purpose.

This will completely eliminate loads that restore the value of $gp after every
function call, if the register allocator assigns a callee-saved register, or
eliminate unnecessary loads if it assigns a temporary register. 

example:

.cpload $25       // set $gp.
...
.cprestore 16     // store $gp to stack slot 16($sp).
...
jalr $25          // function call. clobbers $gp.
lw $gp, 16($sp)   // not emitted if callee-saved reg is chosen.
...
lw $2, 4($gp)
...
jalr $25          // function call.
lw $gp, 16($sp)   // not emitted if $gp is not live after this instruction.
...



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151402 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-24 22:34:47 +00:00
Craig Topper
44d23825d6 Make all pointers to TargetRegisterClass const since they are all pointers to static data that should not be modified. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151134 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-22 05:59:10 +00:00
Jia Liu
c5707112e7 remove Emacs-tag form .cpp files in Mips Backend, and fix some typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150805 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-17 08:55:11 +00:00
Akira Hatanaka
38bdc5762f Do not promote i32 arguments to i64. This was causing unnecessary sign extension 
instructions to be emitted.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150782 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-17 02:20:26 +00:00
Jia Liu
8f5e8c1cd6 add Emacs tag and fix some comment error in file headers 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150775 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-17 01:23:50 +00:00
Craig Topper
bc2198133a Convert assert(0) to llvm_unreachable 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149961 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-07 02:50:20 +00:00
Akira Hatanaka
6c2cf8b1fb Add a new MachineJumpTableInfo entry type, EK_GPRel64BlockAddress, which is 
needed to emit a 64-bit gp-relative relocation entry. Make changes necessary
for emitting jump tables which have entries with directive .gpdword. This patch
does not implement the parts needed for direct object emission or JIT.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149668 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-03 04:33:00 +00:00
Akira Hatanaka
3f5b107a4b Set the correct stack pointer register. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149585 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-02 03:17:04 +00:00
Akira Hatanaka
590baca06c Expand EHSELECTION and EHSELECTION nodes. Set the correct exception pointer and 
selector registers.
 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149584 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-02 03:13:40 +00:00
Akira Hatanaka
25dae8f4a3 Sign-extend 32-bit integer arguments when they are passed in 64-bit registers, 
which is what N32/64 does.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148875 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-24 23:18:43 +00:00
Akira Hatanaka
08067b26f7 Pass CCState by reference. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148871 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-24 22:07:36 +00:00
David Blaikie
4d6ccb5f68 More dead code removal (using -Wunreachable-code) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148578 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-20 21:51:11 +00:00
Akira Hatanaka
b0e7af7797 Enable -soft-float for MIPS. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147541 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-04 19:29:11 +00:00
Akira Hatanaka
cb9dd72fdc Have getRegForInlineAsmConstraint return the correct register class when target 
is Mips64.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147516 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-04 02:45:01 +00:00
Akira Hatanaka
c79507a4dd Expand 64-bit CTLZ nodes if target architecture does not support it. Add test 
case for DCLO and DCLZ.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147022 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-21 00:20:27 +00:00
Akira Hatanaka
7f162743fc Expand 64-bit CTPOP and CTTZ. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147021 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-21 00:14:05 +00:00
Akira Hatanaka
9aed504c82 Expand 64-bit atomic load and store. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147019 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-21 00:02:58 +00:00
Akira Hatanaka
c0ea04389c Add definition of DSBH (Double Swap Bytes within Halfwords) and 
DSHD (Double Swap Halfwords within Doublewords). Add a pattern which replaces
64-bit bswap with a DSBH and DSHD pair.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147017 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-20 23:56:43 +00:00
Akira Hatanaka
e1bcd6b5c6 64-bit uint-fp conversion nodes are expanded. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147014 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-20 23:40:56 +00:00
Akira Hatanaka
9388383b34 Enable custom lowering DYNAMIC_STACKALLOC nodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147013 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-20 23:35:46 +00:00
Akira Hatanaka
056a1bc40f Set the correct stack pointer register that should be saved or restored. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147012 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-20 23:28:36 +00:00
Akira Hatanaka
8209968306 Tidy up. Simplify logic. No functional change intended. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146896 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-19 19:52:25 +00:00
Akira Hatanaka
3faac0a78c Add support for local dynamic TLS model in LowerGlobalTLSAddress. Direct object 
emission is not supported yet, but a patch that adds the support should follow
soon.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146572 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-14 18:26:41 +00:00