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clang-p2996/llvm/test/CodeGen/Mips/GlobalISel/instruction-select/zextLoad_and_sextLoad.mir
Matt Arsenault fae05692a3 CodeGen: Print/parse LLTs in MachineMemOperands
This will currently accept the old number of bytes syntax, and convert
it to a scalar. This should be removed in the near future (I think I
converted all of the tests already, but likely missed a few).

Not sure what the exact syntax and policy should be. We can continue
printing the number of bytes for non-generic instructions to avoid
test churn and only allow non-scalar types for generic instructions.

This will currently print the LLT in parentheses, but accept parsing
the existing integers and implicitly converting to scalar. The
parentheses are a bit ugly, but the parser logic seems unable to deal
without either parentheses or some keyword to indicate the start of a
type.
2021-06-30 16:54:13 -04:00

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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -O0 -mtriple=mipsel-linux-gnu -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=MIPS32
--- |
define void @load1_s8_to_zextLoad1_s32(i8* %px) {entry: ret void}
define void @load2_s16_to_zextLoad2_s32(i16* %px) {entry: ret void}
define void @load1_s8_to_sextLoad1_s32(i8* %px) {entry: ret void}
define void @load2_s16_to_sextLoad2_s32(i16* %px) {entry: ret void}
...
---
name: load1_s8_to_zextLoad1_s32
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
body: |
bb.1.entry:
liveins: $a0
; MIPS32-LABEL: name: load1_s8_to_zextLoad1_s32
; MIPS32: liveins: $a0
; MIPS32: [[COPY:%[0-9]+]]:gpr32 = COPY $a0
; MIPS32: [[LBu:%[0-9]+]]:gpr32 = LBu [[COPY]], 0 :: (load (s8) from %ir.px)
; MIPS32: $v0 = COPY [[LBu]]
; MIPS32: RetRA implicit $v0
%0:gprb(p0) = COPY $a0
%2:gprb(s32) = G_ZEXTLOAD %0(p0) :: (load (s8) from %ir.px)
$v0 = COPY %2(s32)
RetRA implicit $v0
...
---
name: load2_s16_to_zextLoad2_s32
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
body: |
bb.1.entry:
liveins: $a0
; MIPS32-LABEL: name: load2_s16_to_zextLoad2_s32
; MIPS32: liveins: $a0
; MIPS32: [[COPY:%[0-9]+]]:gpr32 = COPY $a0
; MIPS32: [[LHu:%[0-9]+]]:gpr32 = LHu [[COPY]], 0 :: (load (s16) from %ir.px)
; MIPS32: $v0 = COPY [[LHu]]
; MIPS32: RetRA implicit $v0
%0:gprb(p0) = COPY $a0
%2:gprb(s32) = G_ZEXTLOAD %0(p0) :: (load (s16) from %ir.px)
$v0 = COPY %2(s32)
RetRA implicit $v0
...
---
name: load1_s8_to_sextLoad1_s32
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
body: |
bb.1.entry:
liveins: $a0
; MIPS32-LABEL: name: load1_s8_to_sextLoad1_s32
; MIPS32: liveins: $a0
; MIPS32: [[COPY:%[0-9]+]]:gpr32 = COPY $a0
; MIPS32: [[LB:%[0-9]+]]:gpr32 = LB [[COPY]], 0 :: (load (s8) from %ir.px)
; MIPS32: $v0 = COPY [[LB]]
; MIPS32: RetRA implicit $v0
%0:gprb(p0) = COPY $a0
%2:gprb(s32) = G_SEXTLOAD %0(p0) :: (load (s8) from %ir.px)
$v0 = COPY %2(s32)
RetRA implicit $v0
...
---
name: load2_s16_to_sextLoad2_s32
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
body: |
bb.1.entry:
liveins: $a0
; MIPS32-LABEL: name: load2_s16_to_sextLoad2_s32
; MIPS32: liveins: $a0
; MIPS32: [[COPY:%[0-9]+]]:gpr32 = COPY $a0
; MIPS32: [[LH:%[0-9]+]]:gpr32 = LH [[COPY]], 0 :: (load (s16) from %ir.px)
; MIPS32: $v0 = COPY [[LH]]
; MIPS32: RetRA implicit $v0
%0:gprb(p0) = COPY $a0
%2:gprb(s32) = G_SEXTLOAD %0(p0) :: (load (s16) from %ir.px)
$v0 = COPY %2(s32)
RetRA implicit $v0
...