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8 Commits

Author SHA1 Message Date
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