Alex Bradbury 63ca249912 [RISCV] Custom-legalise i32 SDIV/UDIV/UREM on RV64M ...

Follow the same custom legalisation strategy as used in D57085 for
variable-length shifts (see that patch summary for more discussion). Although
we may lose out on some late-stage DAG combines, I think this custom
legalisation strategy is ultimately easier to reason about.

There are some codegen changes in rv64m-exhaustive-w-insts.ll but they are all
neutral in terms of the number of instructions.

Differential Revision: https://reviews.llvm.org/D57096


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@352171 91177308-0d34-0410-b5e6-96231b3b80d8

2019-01-25 05:11:34 +00:00

..

addc-adde-sube-subc.ll

[RISCV] Implement frame pointer elimination

2018-01-18 11:34:02 +00:00

align.ll

[RISCV] Change function alignment to 4 bytes, and 2 bytes for RVC

2018-04-12 11:30:59 +00:00

alloca.ll

[RISCV] Expand function call to "call" pseudoinstruction

2018-04-25 14:19:12 +00:00

alu8.ll

[RISCV] Introduce codegen patterns for instructions introduced in RV64I

2018-11-30 09:38:44 +00:00

alu16.ll

[RISCV] Introduce codegen patterns for instructions introduced in RV64I

2018-11-30 09:38:44 +00:00

alu32.ll

[RISCV] Add patterns for RV64I SLLW/SRLW/SRAW instructions

2019-01-12 07:32:31 +00:00

alu64.ll

[RISCV] Add patterns for RV64I SLLW/SRLW/SRAW instructions

2019-01-12 07:32:31 +00:00

analyze-branch.ll

[RISCV] Expand function call to "call" pseudoinstruction

2018-04-25 14:19:12 +00:00

arith-with-overflow.ll

[RISCV] Add tests for overflow intrinsics

2018-06-19 06:45:47 +00:00

atomic-cmpxchg.ll

[RISCV] Custom-legalise 32-bit variable shifts on RV64

2019-01-25 05:04:00 +00:00

atomic-fence.ll

[RISCV][NFC] Add CHECK lines for atomic operations on RV64I

2019-01-11 19:46:48 +00:00

atomic-load-store.ll

[RISCV] Add codegen support for RV64A

2019-01-17 10:04:39 +00:00

atomic-rmw.ll

[RISCV] Custom-legalise 32-bit variable shifts on RV64

2019-01-25 05:04:00 +00:00

bare-select.ll

[RISCV] Codegen support for RV32F floating point comparison operations

2018-03-21 15:11:02 +00:00

blockaddress.ll

[RISCV] Peephole optimisation for load/store of global values or constant addresses

2018-03-19 11:54:28 +00:00

branch-relaxation.ll

[RISCV] Implement frame pointer elimination

2018-01-18 11:34:02 +00:00

branch.ll

[RISCV] Expand codegen -> compression sanity checks and move to a single file

2018-04-18 20:17:29 +00:00

bswap-ctlz-cttz-ctpop.ll

[RISCV] Set CostPerUse for registers

2018-05-23 21:34:30 +00:00

byval.ll

[RISCV] Separate base from offset in lowerGlobalAddress

2018-05-17 18:14:53 +00:00

calling-conv-rv32f-ilp32.ll

[RISCV] Bugfix for floats passed on the stack with the ILP32 ABI on RV32F

2018-10-04 07:28:49 +00:00

calling-conv-sext-zext.ll

[RISCV] Expand function call to "call" pseudoinstruction

2018-04-25 14:19:12 +00:00

calling-conv.ll

Replace "no-frame-pointer-*" function attributes with "frame-pointer"

2019-01-14 10:55:55 +00:00

calls.ll

[RISCV] Expand function call to "call" pseudoinstruction

2018-04-25 14:19:12 +00:00

compress-inline-asm.ll

[RISCV] Tablegen-driven Instruction Compression.

2018-04-06 21:07:05 +00:00

compress.ll

[RISCV] Add test changes missed from rL330293

2018-04-18 20:36:12 +00:00

disable-tail-calls.ll

[RISCV] Lower the tail pseudoinstruction

2018-05-23 22:44:08 +00:00

div.ll

[RISCV] Introduce codegen patterns for RV64M-only instructions

2019-01-12 07:43:06 +00:00

double-arith.ll

[RISCV] Add support for the various RISC-V FMA instruction variants

2018-12-13 10:49:05 +00:00

double-br-fcmp.ll

[RISCV] Expand function call to "call" pseudoinstruction

2018-04-25 14:19:12 +00:00

double-calling-conv.ll

[RISCV] Expand function call to "call" pseudoinstruction

2018-04-25 14:19:12 +00:00

double-convert.ll

[RISCV] Codegen support for RV32D floating point conversion operations

2018-04-12 05:47:15 +00:00

double-fcmp.ll

[RISCV] Codegen support for RV32D floating point comparison operations

2018-04-12 05:50:06 +00:00

double-frem.ll

[RISCV] Mark FREM as Expand

2018-11-15 14:46:11 +00:00

double-imm.ll

[RISCV] Add tests missed in r329871

2018-04-12 05:36:44 +00:00

double-intrinsics.ll

[RISCV] Add support for the various RISC-V FMA instruction variants

2018-12-13 10:49:05 +00:00

double-mem.ll

[RISCV] Set CostPerUse for registers

2018-05-23 21:34:30 +00:00

double-previous-failure.ll

[RISCV] Expand function call to "call" pseudoinstruction

2018-04-25 14:19:12 +00:00

double-select-fcmp.ll

[RISCV] Regenerate several tests now enableMultipleCopyHints is enabled by default

2018-10-05 18:25:55 +00:00

double-stack-spill-restore.ll

[RISCV] Expand function call to "call" pseudoinstruction

2018-04-25 14:19:12 +00:00

fixups-diff.ll

[RISCV][MC] Don't fold symbol differences if requiresDiffExpressionRelocations is true

2018-08-16 11:26:37 +00:00

fixups-relax-diff.ll

[RISCV] Support .option relax and .option norelax

2018-11-12 14:25:07 +00:00

float-arith.ll

[RISCV] Add support for the various RISC-V FMA instruction variants

2018-12-13 10:49:05 +00:00

float-br-fcmp.ll

[RISCV] Expand function call to "call" pseudoinstruction

2018-04-25 14:19:12 +00:00

float-convert.ll

[RISCV] Add codegen for RV32F arithmetic and conversion operations

2018-03-20 12:45:35 +00:00

float-fcmp.ll

[RISCV] Codegen support for RV32F floating point comparison operations

2018-03-21 15:11:02 +00:00

float-frem.ll

[RISCV] Mark FREM as Expand

2018-11-15 14:46:11 +00:00

float-imm.ll

[RISCV] Add codegen for RV32F floating point load/store

2018-03-20 13:26:12 +00:00

float-intrinsics.ll

[RISCV] Add support for the various RISC-V FMA instruction variants

2018-12-13 10:49:05 +00:00

float-mem.ll

[RISCV] Separate base from offset in lowerGlobalAddress

2018-05-17 18:14:53 +00:00

float-select-fcmp.ll

[RISCV] Codegen support for RV32F floating point comparison operations

2018-03-21 15:11:02 +00:00

flt-rounds.ll

[SelectionDAG] Support result type promotion for FLT_ROUNDS_

2018-11-30 13:18:33 +00:00

fp128.ll

[RISCV] Avoid unnecessary XOR for seteq/setne 0

2018-11-09 14:47:36 +00:00

frame.ll

Replace "no-frame-pointer-*" function attributes with "frame-pointer"

2019-01-14 10:55:55 +00:00

frameaddr-returnaddr.ll

[SelectionDAG] Support promotion of FRAMEADDR/RETURNADDR operands

2018-11-30 10:02:06 +00:00

get-setcc-result-type.ll

[RISCV] Avoid unnecessary XOR for seteq/setne 0

2018-11-09 14:47:36 +00:00

hoist-global-addr-base.ll

[RISCV] Add machine function pass to merge base + offset

2018-06-27 20:51:42 +00:00

i32-icmp.ll

[RISCV] Avoid unnecessary XOR for seteq/setne 0

2018-11-09 14:47:36 +00:00

imm-cse.ll

[RISCV] Add imm-cse.ll test case

2018-04-18 20:25:07 +00:00

imm.ll

[RISCV] Constant materialisation for RV64I

2018-11-16 10:14:16 +00:00

indirectbr.ll

[RISC-V] Fix a test case to not include label names as those aren't

2018-06-21 05:42:05 +00:00

init-array.ll

[RISCV] Use init_array instead of ctors for RISCV target, by default

2018-03-24 18:37:19 +00:00

inline-asm.ll

[RISCV] Peephole optimisation for load/store of global values or constant addresses

2018-03-19 11:54:28 +00:00

interrupt-attr-args-error.ll

[RISCV] Add support for _interrupt attribute

2018-07-26 17:49:43 +00:00

interrupt-attr-invalid.ll

[RISCV] Add support for _interrupt attribute

2018-07-26 17:49:43 +00:00

interrupt-attr-nocall.ll

[RISCV] Add support for _interrupt attribute

2018-07-26 17:49:43 +00:00

interrupt-attr-ret-error.ll

[RISCV] Add support for _interrupt attribute

2018-07-26 17:49:43 +00:00

interrupt-attr.ll

[RISCV] Add support for _interrupt attribute

2018-07-26 17:49:43 +00:00

jumptable.ll

[RISCV] Implement frame pointer elimination

2018-01-18 11:34:02 +00:00

large-stack.ll

Replace "no-frame-pointer-*" function attributes with "frame-pointer"

2019-01-14 10:55:55 +00:00

lit.local.cfg

…

lsr-legaladdimm.ll

[RISCV] Implement isLegalAddImmediate

2018-04-26 13:00:37 +00:00

mem64.ll

[RISCV] Introduce codegen patterns for instructions introduced in RV64I

2018-11-30 09:38:44 +00:00

mem.ll

[RISCV] Separate base from offset in lowerGlobalAddress

2018-05-17 18:14:53 +00:00

mul.ll

[RISCV] Introduce codegen patterns for RV64M-only instructions

2019-01-12 07:43:06 +00:00

musttail-call.ll

[RISCV] Lower the tail pseudoinstruction

2018-05-23 22:44:08 +00:00

option-norelax.ll

[RISCV] Support .option relax and .option norelax

2018-11-12 14:25:07 +00:00

option-norvc.ll

[RISCV] Support .option rvc and norvc assembler directives

2018-05-11 17:30:28 +00:00

option-relax.ll

[RISCV] Support .option relax and .option norelax

2018-11-12 14:25:07 +00:00

option-rvc.ll

[RISCV] Support .option rvc and norvc assembler directives

2018-05-11 17:30:28 +00:00

pr40333.ll

[RISCV] Custom-legalise 32-bit variable shifts on RV64

2019-01-25 05:04:00 +00:00

prefetch.ll

[SelectionDAG] Support promotion of PREFETCH operands

2018-11-30 10:06:31 +00:00

rem.ll

[RISCV] Introduce codegen patterns for RV64M-only instructions

2019-01-12 07:43:06 +00:00

remat.ll

[RISCV] Set CostPerUse for registers

2018-05-23 21:34:30 +00:00

rotl-rotr.ll

[RISCV] Implement frame pointer elimination

2018-01-18 11:34:02 +00:00

rv64i-exhaustive-w-insts.ll

[RISCV] Add patterns for RV64I SLLW/SRLW/SRAW instructions

2019-01-12 07:32:31 +00:00

rv64i-tricky-shifts.ll

[RISCV] Remove RV64I SLLW/SRLW/SRAW patterns and add new test cases

2018-12-01 05:00:00 +00:00

rv64m-exhaustive-w-insts.ll

[RISCV] Custom-legalise i32 SDIV/UDIV/UREM on RV64M

2019-01-25 05:11:34 +00:00

select-cc.ll

[RISCV] Implement frame pointer elimination

2018-01-18 11:34:02 +00:00

sext-zext-trunc.ll

[RISCV] Introduce codegen patterns for instructions introduced in RV64I

2018-11-30 09:38:44 +00:00

shift-masked-shamt.ll

[RISCV] Eliminate unnecessary masking of promoted shift amounts

2018-10-12 23:18:52 +00:00

shifts.ll

[RISCV] Expand function call to "call" pseudoinstruction

2018-04-25 14:19:12 +00:00

tail-calls.ll

[RISCV] Fixed test case failure due to r338047

2018-07-31 00:36:28 +00:00

umulo-128-legalisation-lowering.ll

[RISCV] Avoid unnecessary XOR for seteq/setne 0

2018-11-09 14:47:36 +00:00

vararg.ll

Replace "no-frame-pointer-*" function attributes with "frame-pointer"

2019-01-14 10:55:55 +00:00

wide-mem.ll

[RISCV] Separate base from offset in lowerGlobalAddress

2018-05-17 18:14:53 +00:00

zext-with-load-is-free.ll

[RISCV] Separate base from offset in lowerGlobalAddress

2018-05-17 18:14:53 +00:00