Commit Graph

9 Commits

Author SHA1 Message Date
Petar Jovanovic 65d463bdd7 [MIPS GlobalISel] Lower i8 and i16 arguments
Lower integer arguments smaller than i32.
Support both register and stack arguments.
Define setLocInfo function for setting LocInfo field in ArgLocs vector.

Patch by Petar Avramovic.

Differential Revision: https://reviews.llvm.org/D51031

llvm-svn: 340572
2018-08-23 20:41:09 +00:00
Alexander Ivchenko 49168f6778 [GlobalISel] Rewrite CallLowering::lowerReturn to accept multiple VRegs per Value
This is logical continuation of https://reviews.llvm.org/D46018 (r332449)

Differential Revision: https://reviews.llvm.org/D49660

llvm-svn: 338685
2018-08-02 08:33:31 +00:00
Matt Arsenault 81920b0a25 DAG: Add calling convention argument to calling convention funcs
This seems like a pretty glaring omission, and AMDGPU
wants to treat kernels differently from other calling
conventions.

llvm-svn: 338194
2018-07-28 13:25:19 +00:00
Petar Jovanovic 58c0210023 [MIPS GlobalISel] Lower pointer arguments
Add support for lowering pointer arguments.
Changing type from pointer to integer is already done in
MipsTargetLowering::getRegisterTypeForCallingConv.

Patch by Petar Avramovic.

Differential Revision: https://reviews.llvm.org/D49419

llvm-svn: 337912
2018-07-25 12:35:01 +00:00
Petar Jovanovic 226e6117ae [MIPS GlobalISel] Lower arguments using stack
Lower more than 4 arguments using stack. This patch targets MIPS32.
It supports only functions with arguments of type i32.

Patch by Petar Avramovic.

Differential Revision: https://reviews.llvm.org/D47934

llvm-svn: 336185
2018-07-03 09:31:48 +00:00
Petar Jovanovic 326ec32403 [MIPS GlobalISel] Add lowerCall
Add minimal support to lower function calls.
Support only functions with arguments/return that go through registers
and have type i32.

Patch by Petar Avramovic.

Differential Revision: https://reviews.llvm.org/D45627

llvm-svn: 334071
2018-06-06 07:24:52 +00:00
Petar Jovanovic 667e213018 [MIPS GlobalISel] remove superfluous #includes (NFC)
Remove superfluous #includes.
Minor code style change in MipsCallLowering::lowerFormalArguments().

llvm-svn: 329926
2018-04-12 17:01:46 +00:00
Petar Jovanovic 366857a23a [MIPS GlobalISel] Select add i32, i32
Add the minimal support necessary to lower a function that returns the
sum of two i32 values.
Support argument/return lowering of i32 values through registers only.
Add tablegen for regbankselect and instructionselect.

Patch by Petar Avramovic.

Differential Revision: https://reviews.llvm.org/D44304

llvm-svn: 329819
2018-04-11 15:12:32 +00:00
Petar Jovanovic fac93e28f0 [MIPS GlobalISel] Adding GlobalISel
Add GlobalISel infrastructure up to the point where we can select a ret
void.

Patch by Petar Avramovic.

Differential Revision: https://reviews.llvm.org/D43583

llvm-svn: 325888
2018-02-23 11:06:40 +00:00