legalize-rem.mir 4.21 KB
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -O0 -march=aarch64 -run-pass=legalizer %s -o - | FileCheck %s
---
name:            test_urem_64
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: test_urem_64
    ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
    ; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
    ; CHECK: [[UDIV:%[0-9]+]]:_(s64) = G_UDIV [[COPY]], [[COPY1]]
    ; CHECK: [[MUL:%[0-9]+]]:_(s64) = G_MUL [[UDIV]], [[COPY1]]
    ; CHECK: [[SUB:%[0-9]+]]:_(s64) = G_SUB [[COPY]], [[MUL]]
    ; CHECK: $x0 = COPY [[SUB]](s64)
    %0:_(s64) = COPY $x0
    %1:_(s64) = COPY $x1
    %2:_(s64) = G_UREM %0, %1
    $x0 = COPY %2(s64)

...
---
name:            test_srem_32
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: test_srem_32
    ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
    ; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
    ; CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY]](s64)
    ; CHECK: [[TRUNC1:%[0-9]+]]:_(s32) = G_TRUNC [[COPY1]](s64)
    ; CHECK: [[SDIV:%[0-9]+]]:_(s32) = G_SDIV [[TRUNC]], [[TRUNC1]]
    ; CHECK: [[MUL:%[0-9]+]]:_(s32) = G_MUL [[SDIV]], [[TRUNC1]]
    ; CHECK: [[SUB:%[0-9]+]]:_(s32) = G_SUB [[TRUNC]], [[MUL]]
    ; CHECK: $w0 = COPY [[SUB]](s32)
    %0:_(s64) = COPY $x0
    %1:_(s64) = COPY $x1
    %2:_(s32) = G_TRUNC %0(s64)
    %3:_(s32) = G_TRUNC %1(s64)
    %4:_(s32) = G_SREM %2, %3
    $w0 = COPY %4(s32)

...
---
name:            test_srem_8
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: test_srem_8
    ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
    ; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
    ; CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY]](s64)
    ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
    ; CHECK: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[TRUNC]], [[C]](s32)
    ; CHECK: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 24
    ; CHECK: [[COPY2:%[0-9]+]]:_(s64) = COPY [[C1]](s64)
    ; CHECK: [[ASHR:%[0-9]+]]:_(s32) = G_ASHR [[SHL]], [[COPY2]](s64)
    ; CHECK: [[TRUNC1:%[0-9]+]]:_(s32) = G_TRUNC [[COPY1]](s64)
    ; CHECK: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[TRUNC1]], [[C]](s32)
    ; CHECK: [[ASHR1:%[0-9]+]]:_(s32) = G_ASHR [[SHL1]], [[C1]](s64)
    ; CHECK: [[SDIV:%[0-9]+]]:_(s32) = G_SDIV [[ASHR]], [[ASHR1]]
    ; CHECK: [[COPY3:%[0-9]+]]:_(s32) = COPY [[SDIV]](s32)
    ; CHECK: [[TRUNC2:%[0-9]+]]:_(s32) = G_TRUNC [[COPY1]](s64)
    ; CHECK: [[MUL:%[0-9]+]]:_(s32) = G_MUL [[COPY3]], [[TRUNC2]]
    ; CHECK: [[TRUNC3:%[0-9]+]]:_(s32) = G_TRUNC [[COPY]](s64)
    ; CHECK: [[COPY4:%[0-9]+]]:_(s32) = COPY [[MUL]](s32)
    ; CHECK: [[SUB:%[0-9]+]]:_(s32) = G_SUB [[TRUNC3]], [[COPY4]]
    ; CHECK: [[COPY5:%[0-9]+]]:_(s32) = COPY [[SUB]](s32)
    ; CHECK: $w0 = COPY [[COPY5]](s32)
    %0:_(s64) = COPY $x0
    %1:_(s64) = COPY $x1
    %2:_(s8) = G_TRUNC %0(s64)
    %3:_(s8) = G_TRUNC %1(s64)
    %4:_(s8) = G_SREM %2, %3
    %5:_(s32) = G_ANYEXT %4(s8)
    $w0 = COPY %5(s32)

...
---
name:            test_frem
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: test_frem
    ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
    ; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
    ; CHECK: ADJCALLSTACKDOWN 0, 0, implicit-def $sp, implicit $sp
    ; CHECK: $d0 = COPY [[COPY]](s64)
    ; CHECK: $d1 = COPY [[COPY1]](s64)
    ; CHECK: BL &fmod, csr_aarch64_aapcs, implicit-def $lr, implicit $sp, implicit $d0, implicit $d1, implicit-def $d0
    ; CHECK: [[COPY2:%[0-9]+]]:_(s64) = COPY $d0
    ; CHECK: ADJCALLSTACKUP 0, 0, implicit-def $sp, implicit $sp
    ; CHECK: $x0 = COPY [[COPY2]](s64)
    ; CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY]](s64)
    ; CHECK: [[TRUNC1:%[0-9]+]]:_(s32) = G_TRUNC [[COPY1]](s64)
    ; CHECK: ADJCALLSTACKDOWN 0, 0, implicit-def $sp, implicit $sp
    ; CHECK: $s0 = COPY [[TRUNC]](s32)
    ; CHECK: $s1 = COPY [[TRUNC1]](s32)
    ; CHECK: BL &fmodf, csr_aarch64_aapcs, implicit-def $lr, implicit $sp, implicit $s0, implicit $s1, implicit-def $s0
    ; CHECK: [[COPY3:%[0-9]+]]:_(s32) = COPY $s0
    ; CHECK: ADJCALLSTACKUP 0, 0, implicit-def $sp, implicit $sp
    ; CHECK: $w0 = COPY [[COPY3]](s32)
    %0:_(s64) = COPY $x0
    %1:_(s64) = COPY $x1
    %2:_(s64) = G_FREM %0, %1
    $x0 = COPY %2(s64)
    %3:_(s32) = G_TRUNC %0(s64)
    %4:_(s32) = G_TRUNC %1(s64)
    %5:_(s32) = G_FREM %3, %4
    $w0 = COPY %5(s32)

...