# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -verify-machineinstrs -mtriple arm64-apple-ios -global-isel -run-pass=aarch64-prelegalizer-combiner -o - %s | FileCheck %s
...
---
name: can_fold_i8
tracksRegLiveness: true
body: |
; CHECK-LABEL: name: can_fold_i8
; CHECK: bb.0.entry:
; CHECK-NEXT: successors: %bb.1(0x00000800), %bb.2(0x7ffff800)
; CHECK-NEXT: liveins: $w0, $w1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
; CHECK-NEXT: [[ASSERT_ZEXT:%[0-9]+]]:_(s32) = G_ASSERT_ZEXT [[COPY]], 8
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $w1
; CHECK-NEXT: [[ASSERT_ZEXT1:%[0-9]+]]:_(s32) = G_ASSERT_ZEXT [[COPY1]], 8
; CHECK-NEXT: [[ADD:%[0-9]+]]:_(s32) = G_ADD [[ASSERT_ZEXT]], [[ASSERT_ZEXT1]]
; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 256
; CHECK-NEXT: [[AND:%[0-9]+]]:_(s32) = G_AND [[ADD]], [[C]]
; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(eq), [[AND]](s32), [[C1]]
; CHECK-NEXT: G_BRCOND [[ICMP]](s1), %bb.2
; CHECK-NEXT: G_BR %bb.1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors:
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: G_TRAP
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
; CHECK-NEXT: $w0 = COPY [[ADD]](s32)
; CHECK-NEXT: RET_ReallyLR implicit $w0
bb.1.entry:
successors: %bb.2(0x00000800), %bb.3(0x7ffff800)
liveins: $w0, $w1
%2:_(s32) = COPY $w0
%3:_(s32) = G_ASSERT_ZEXT %2, 8
%0:_(s8) = G_TRUNC %3(s32)
%4:_(s32) = COPY $w1
%5:_(s32) = G_ASSERT_ZEXT %4, 8
%1:_(s8) = G_TRUNC %5(s32)
%6:_(s8), %7:_(s1) = G_UADDO %0, %1
G_BRCOND %7(s1), %bb.2
G_BR %bb.3
bb.2:
successors:
G_TRAP
bb.3:
%8:_(s32) = G_ZEXT %6(s8)
$w0 = COPY %8(s32)
RET_ReallyLR implicit $w0
...
---
name: can_fold_i16_1_result_used_by_zext
tracksRegLiveness: true
body: |
; CHECK-LABEL: name: can_fold_i16_1_result_used_by_zext
; CHECK: bb.0:
; CHECK-NEXT: successors: %bb.1(0x00000800), %bb.2(0x7ffff800)
; CHECK-NEXT: liveins: $w0, $w1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
; CHECK-NEXT: [[ASSERT_ZEXT:%[0-9]+]]:_(s32) = G_ASSERT_ZEXT [[COPY]], 16
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $w1
; CHECK-NEXT: [[ASSERT_ZEXT1:%[0-9]+]]:_(s32) = G_ASSERT_ZEXT [[COPY1]], 16
; CHECK-NEXT: [[ADD:%[0-9]+]]:_(s32) = G_ADD [[ASSERT_ZEXT]], [[ASSERT_ZEXT1]]
; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 65536
; CHECK-NEXT: [[AND:%[0-9]+]]:_(s32) = G_AND [[ADD]], [[C]]
; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(eq), [[AND]](s32), [[C1]]
; CHECK-NEXT: G_BRCOND [[ICMP]](s1), %bb.2
; CHECK-NEXT: G_BR %bb.1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors:
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: G_TRAP
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
; CHECK-NEXT: $w0 = COPY [[ADD]](s32)
; CHECK-NEXT: RET_ReallyLR implicit $w0
bb.1:
successors: %bb.2(0x00000800), %bb.3(0x7ffff800)
liveins: $w0, $w1
%2:_(s32) = COPY $w0
%3:_(s32) = G_ASSERT_ZEXT %2, 16
%0:_(s16) = G_TRUNC %3(s32)
%4:_(s32) = COPY $w1
%5:_(s32) = G_ASSERT_ZEXT %4, 16
%1:_(s16) = G_TRUNC %5(s32)
%6:_(s16), %7:_(s1) = G_UADDO %0, %1
G_BRCOND %7(s1), %bb.2
G_BR %bb.3
bb.2:
successors:
G_TRAP
bb.3:
%8:_(s32) = G_ZEXT %6(s16)
$w0 = COPY %8(s32)
RET_ReallyLR implicit $w0
...
---
name: can_fold_i16_2_result_used_by_multiple_calls
tracksRegLiveness: true
body: |
; CHECK-LABEL: name: can_fold_i16_2_result_used_by_multiple_calls
; CHECK: bb.0:
; CHECK-NEXT: successors: %bb.1(0x00000800), %bb.2(0x7ffff800)
; CHECK-NEXT: liveins: $w0, $w1, $x2
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
; CHECK-NEXT: [[ASSERT_ZEXT:%[0-9]+]]:_(s32) = G_ASSERT_ZEXT [[COPY]], 16
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $w1
; CHECK-NEXT: [[ASSERT_ZEXT1:%[0-9]+]]:_(s32) = G_ASSERT_ZEXT [[COPY1]], 16
; CHECK-NEXT: [[ADD:%[0-9]+]]:_(s32) = G_ADD [[ASSERT_ZEXT]], [[ASSERT_ZEXT1]]
; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 65536
; CHECK-NEXT: [[AND:%[0-9]+]]:_(s32) = G_AND [[ADD]], [[C]]
; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(eq), [[AND]](s32), [[C1]]
; CHECK-NEXT: G_BRCOND [[ICMP]](s1), %bb.2
; CHECK-NEXT: G_BR %bb.1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors:
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: G_TRAP
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
; CHECK-NEXT: liveins: $x2
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def $sp, implicit $sp
; CHECK-NEXT: $w0 = COPY [[ADD]](s32)
; CHECK-NEXT: BLR renamable $x2, implicit-def dead $lr, implicit $sp, implicit $w0
; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def $sp, implicit $sp
; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def $sp, implicit $sp
; CHECK-NEXT: $w0 = COPY [[ADD]](s32)
; CHECK-NEXT: BLR killed renamable $x2, implicit-def dead $lr, implicit $sp, implicit $w0
; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def $sp, implicit $sp
; CHECK-NEXT: RET_ReallyLR
bb.1:
successors: %bb.2(0x00000800), %bb.3(0x7ffff800)
liveins: $w0, $w1, $x2
%2:_(s32) = COPY $w0
%3:_(s32) = G_ASSERT_ZEXT %2, 16
%0:_(s16) = G_TRUNC %3(s32)
%4:_(s32) = COPY $w1
%5:_(s32) = G_ASSERT_ZEXT %4, 16
%1:_(s16) = G_TRUNC %5(s32)
%6:_(s16), %7:_(s1) = G_UADDO %0, %1
G_BRCOND %7(s1), %bb.2
G_BR %bb.3
bb.2:
successors:
G_TRAP
bb.3:
liveins: $x2
ADJCALLSTACKDOWN 0, 0, implicit-def $sp, implicit $sp
%8:_(s32) = G_ANYEXT %6(s16)
$w0 = COPY %8(s32)
BLR renamable $x2, implicit-def dead $lr, implicit $sp, implicit $w0
ADJCALLSTACKUP 0, 0, implicit-def $sp, implicit $sp
ADJCALLSTACKDOWN 0, 0, implicit-def $sp, implicit $sp
$w0 = COPY %8(s32)
BLR killed renamable $x2, implicit-def dead $lr, implicit $sp, implicit $w0
ADJCALLSTACKUP 0, 0, implicit-def $sp, implicit $sp
RET_ReallyLR
...
---
name: can_fold_i16_3_result_used_by_anyext
tracksRegLiveness: true
body: |
; CHECK-LABEL: name: can_fold_i16_3_result_used_by_anyext
; CHECK: bb.0:
; CHECK-NEXT: successors: %bb.1(0x00000800), %bb.2(0x7ffff800)
; CHECK-NEXT: liveins: $w0, $w1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
; CHECK-NEXT: [[ASSERT_ZEXT:%[0-9]+]]:_(s32) = G_ASSERT_ZEXT [[COPY]], 16
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $w1
; CHECK-NEXT: [[ASSERT_ZEXT1:%[0-9]+]]:_(s32) = G_ASSERT_ZEXT [[COPY1]], 16
; CHECK-NEXT: [[ADD:%[0-9]+]]:_(s32) = G_ADD [[ASSERT_ZEXT]], [[ASSERT_ZEXT1]]
; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 65536
; CHECK-NEXT: [[AND:%[0-9]+]]:_(s32) = G_AND [[ADD]], [[C]]
; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(eq), [[AND]](s32), [[C1]]
; CHECK-NEXT: G_BRCOND [[ICMP]](s1), %bb.2
; CHECK-NEXT: G_BR %bb.1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors:
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: G_TRAP
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
; CHECK-NEXT: $w0 = COPY [[ADD]](s32)
; CHECK-NEXT: RET_ReallyLR implicit $w0
bb.1:
successors: %bb.2(0x00000800), %bb.3(0x7ffff800)
liveins: $w0, $w1
%2:_(s32) = COPY $w0
%3:_(s32) = G_ASSERT_ZEXT %2, 16
%0:_(s16) = G_TRUNC %3(s32)
%4:_(s32) = COPY $w1
%5:_(s32) = G_ASSERT_ZEXT %4, 16
%1:_(s16) = G_TRUNC %5(s32)
%6:_(s16), %7:_(s1) = G_UADDO %0, %1
G_BRCOND %7(s1), %bb.2
G_BR %bb.3
bb.2:
successors:
G_TRAP
bb.3:
%8:_(s32) = G_ANYEXT %6(s16)
$w0 = COPY %8(s32)
RET_ReallyLR implicit $w0
...
---
name: can_fold_i16_4_cond_dbg_user
tracksRegLiveness: true
body: |
; CHECK-LABEL: name: can_fold_i16_4_cond_dbg_user
; CHECK: bb.0:
; CHECK-NEXT: successors: %bb.1(0x00000800), %bb.2(0x7ffff800)
; CHECK-NEXT: liveins: $w0, $w1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
; CHECK-NEXT: [[ASSERT_ZEXT:%[0-9]+]]:_(s32) = G_ASSERT_ZEXT [[COPY]], 16
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $w1
; CHECK-NEXT: [[ASSERT_ZEXT1:%[0-9]+]]:_(s32) = G_ASSERT_ZEXT [[COPY1]], 16
; CHECK-NEXT: [[ADD:%[0-9]+]]:_(s32) = G_ADD [[ASSERT_ZEXT]], [[ASSERT_ZEXT1]]
; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 65536
; CHECK-NEXT: [[AND:%[0-9]+]]:_(s32) = G_AND [[ADD]], [[C]]
; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(eq), [[AND]](s32), [[C1]]
; CHECK-NEXT: DBG_VALUE [[ICMP]](s1)
; CHECK-NEXT: G_BRCOND [[ICMP]](s1), %bb.2
; CHECK-NEXT: G_BR %bb.1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors:
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: G_TRAP
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
; CHECK-NEXT: $w0 = COPY [[ADD]](s32)
; CHECK-NEXT: RET_ReallyLR implicit $w0
bb.1:
successors: %bb.2(0x00000800), %bb.3(0x7ffff800)
liveins: $w0, $w1
%2:_(s32) = COPY $w0
%3:_(s32) = G_ASSERT_ZEXT %2, 16
%0:_(s16) = G_TRUNC %3(s32)
%4:_(s32) = COPY $w1
%5:_(s32) = G_ASSERT_ZEXT %4, 16
%1:_(s16) = G_TRUNC %5(s32)
%6:_(s16), %7:_(s1) = G_UADDO %0, %1
DBG_VALUE %7(s1)
G_BRCOND %7(s1), %bb.2
G_BR %bb.3
bb.2:
successors:
G_TRAP
bb.3:
%8:_(s32) = G_ZEXT %6(s16)
$w0 = COPY %8(s32)
RET_ReallyLR implicit $w0
...
---
name: can_fold_i16_5_result_dbg_user
tracksRegLiveness: true
body: |
; CHECK-LABEL: name: can_fold_i16_5_result_dbg_user
; CHECK: bb.0:
; CHECK-NEXT: successors: %bb.1(0x00000800), %bb.2(0x7ffff800)
; CHECK-NEXT: liveins: $w0, $w1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
; CHECK-NEXT: [[ASSERT_ZEXT:%[0-9]+]]:_(s32) = G_ASSERT_ZEXT [[COPY]], 16
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $w1
; CHECK-NEXT: [[ASSERT_ZEXT1:%[0-9]+]]:_(s32) = G_ASSERT_ZEXT [[COPY1]], 16
; CHECK-NEXT: [[ADD:%[0-9]+]]:_(s32) = G_ADD [[ASSERT_ZEXT]], [[ASSERT_ZEXT1]]
; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 65536
; CHECK-NEXT: [[AND:%[0-9]+]]:_(s32) = G_AND [[ADD]], [[C]]
; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(eq), [[AND]](s32), [[C1]]
; CHECK-NEXT: DBG_VALUE %6:_(s16)
; CHECK-NEXT: G_BRCOND [[ICMP]](s1), %bb.2
; CHECK-NEXT: G_BR %bb.1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors:
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: G_TRAP
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
; CHECK-NEXT: $w0 = COPY [[ADD]](s32)
; CHECK-NEXT: RET_ReallyLR implicit $w0
bb.1:
successors: %bb.2(0x00000800), %bb.3(0x7ffff800)
liveins: $w0, $w1
%2:_(s32) = COPY $w0
%3:_(s32) = G_ASSERT_ZEXT %2, 16
%0:_(s16) = G_TRUNC %3(s32)
%4:_(s32) = COPY $w1
%5:_(s32) = G_ASSERT_ZEXT %4, 16
%1:_(s16) = G_TRUNC %5(s32)
%6:_(s16), %7:_(s1) = G_UADDO %0, %1
DBG_VALUE %6(s16)
G_BRCOND %7(s1), %bb.2
G_BR %bb.3
bb.2:
successors:
G_TRAP
bb.3:
%8:_(s32) = G_ZEXT %6(s16)
$w0 = COPY %8(s32)
RET_ReallyLR implicit $w0
...
---
name: cannot_fold_1_result_used_before_branch
tracksRegLiveness: true
body: |
; CHECK-LABEL: name: cannot_fold_1_result_used_before_branch
; CHECK: bb.0:
; CHECK-NEXT: successors: %bb.1(0x00000800), %bb.2(0x7ffff800)
; CHECK-NEXT: liveins: $w0, $w1, $x2
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
; CHECK-NEXT: [[ASSERT_ZEXT:%[0-9]+]]:_(s32) = G_ASSERT_ZEXT [[COPY]], 16
; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[ASSERT_ZEXT]](s32)
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $w1
; CHECK-NEXT: [[ASSERT_ZEXT1:%[0-9]+]]:_(s32) = G_ASSERT_ZEXT [[COPY1]], 16
; CHECK-NEXT: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[ASSERT_ZEXT1]](s32)
; CHECK-NEXT: [[UADDO:%[0-9]+]]:_(s16), [[UADDO1:%[0-9]+]]:_(s1) = G_UADDO [[TRUNC]], [[TRUNC1]]
; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def $sp, implicit $sp
; CHECK-NEXT: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[UADDO]](s16)
; CHECK-NEXT: $w0 = COPY [[ANYEXT]](s32)
; CHECK-NEXT: BLR renamable $x2, implicit-def dead $lr, implicit $sp, implicit $w0
; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def $sp, implicit $sp
; CHECK-NEXT: [[C:%[0-9]+]]:_(s1) = G_CONSTANT i1 true
; CHECK-NEXT: [[XOR:%[0-9]+]]:_(s1) = G_XOR [[UADDO1]], [[C]]
; CHECK-NEXT: G_BRCOND [[XOR]](s1), %bb.2
; CHECK-NEXT: G_BR %bb.1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors:
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: G_TRAP
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
; CHECK-NEXT: liveins: $x2
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def $sp, implicit $sp
; CHECK-NEXT: [[ANYEXT1:%[0-9]+]]:_(s32) = G_ANYEXT [[UADDO]](s16)
; CHECK-NEXT: $w0 = COPY [[ANYEXT1]](s32)
; CHECK-NEXT: BLR renamable $x2, implicit-def dead $lr, implicit $sp, implicit $w0
; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def $sp, implicit $sp
; CHECK-NEXT: RET_ReallyLR
bb.1:
successors: %bb.2(0x00000800), %bb.3(0x7ffff800)
liveins: $w0, $w1, $x2
%2:_(s32) = COPY $w0
%3:_(s32) = G_ASSERT_ZEXT %2, 16
%0:_(s16) = G_TRUNC %3(s32)
%4:_(s32) = COPY $w1
%5:_(s32) = G_ASSERT_ZEXT %4, 16
%1:_(s16) = G_TRUNC %5(s32)
%6:_(s16), %7:_(s1) = G_UADDO %0, %1
ADJCALLSTACKDOWN 0, 0, implicit-def $sp, implicit $sp
%8:_(s32) = G_ANYEXT %6(s16)
$w0 = COPY %8(s32)
BLR renamable $x2, implicit-def dead $lr, implicit $sp, implicit $w0
ADJCALLSTACKUP 0, 0, implicit-def $sp, implicit $sp
G_BRCOND %7(s1), %bb.2
G_BR %bb.3
bb.2:
successors:
G_TRAP
bb.3:
liveins: $x2
ADJCALLSTACKDOWN 0, 0, implicit-def $sp, implicit $sp
%9:_(s32) = G_ANYEXT %6(s16)
$w0 = COPY %9(s32)
BLR renamable $x2, implicit-def dead $lr, implicit $sp, implicit $w0
ADJCALLSTACKUP 0, 0, implicit-def $sp, implicit $sp
RET_ReallyLR
...
---
name: cannot_fold_2_result_used_in_fail_block
tracksRegLiveness: true
body: |
; CHECK-LABEL: name: cannot_fold_2_result_used_in_fail_block
; CHECK: bb.0:
; CHECK-NEXT: successors: %bb.2(0x40000000), %bb.1(0x40000000)
; CHECK-NEXT: liveins: $w0, $w1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
; CHECK-NEXT: [[ASSERT_ZEXT:%[0-9]+]]:_(s32) = G_ASSERT_ZEXT [[COPY]], 16
; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[ASSERT_ZEXT]](s32)
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $w1
; CHECK-NEXT: [[ASSERT_ZEXT1:%[0-9]+]]:_(s32) = G_ASSERT_ZEXT [[COPY1]], 16
; CHECK-NEXT: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[ASSERT_ZEXT1]](s32)
; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 10
; CHECK-NEXT: [[UADDO:%[0-9]+]]:_(s16), [[UADDO1:%[0-9]+]]:_(s1) = G_UADDO [[TRUNC]], [[TRUNC1]]
; CHECK-NEXT: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[UADDO]](s16)
; CHECK-NEXT: G_BRCOND [[UADDO1]](s1), %bb.2
; CHECK-NEXT: G_BR %bb.1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: [[PHI:%[0-9]+]]:_(s32) = G_PHI [[C]](s32), %bb.2, [[ANYEXT]](s32), %bb.0
; CHECK-NEXT: $w0 = COPY [[PHI]](s32)
; CHECK-NEXT: RET_ReallyLR implicit $w0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
; CHECK-NEXT: successors: %bb.1(0x80000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[ANYEXT1:%[0-9]+]]:_(s32) = G_ANYEXT [[UADDO]](s16)
; CHECK-NEXT: $w0 = COPY [[ANYEXT1]](s32)
; CHECK-NEXT: G_BR %bb.1
bb.1:
liveins: $w0, $w1
%2:_(s32) = COPY $w0
%3:_(s32) = G_ASSERT_ZEXT %2, 16
%0:_(s16) = G_TRUNC %3(s32)
%4:_(s32) = COPY $w1
%5:_(s32) = G_ASSERT_ZEXT %4, 16
%1:_(s16) = G_TRUNC %5(s32)
%11:_(s16) = G_CONSTANT i16 10
%6:_(s16), %7:_(s1) = G_UADDO %0, %1
G_BRCOND %7(s1), %bb.3
G_BR %bb.2
bb.2:
%9:_(s16) = G_PHI %11(s16), %bb.3, %6(s16), %bb.1
%10:_(s32) = G_ANYEXT %9(s16)
$w0 = COPY %10(s32)
RET_ReallyLR implicit $w0
bb.3:
%8:_(s32) = G_ANYEXT %6(s16)
$w0 = COPY %8(s32)
G_BR %bb.2
...
---
name: cannot_fold_3_result_used_in_successor_before_fail_block
tracksRegLiveness: true
body: |
; CHECK-LABEL: name: cannot_fold_3_result_used_in_successor_before_fail_block
; CHECK: bb.0:
; CHECK-NEXT: successors: %bb.2(0x00000800), %bb.3(0x7ffff800)
; CHECK-NEXT: liveins: $w0, $w1, $x2
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
; CHECK-NEXT: [[ASSERT_ZEXT:%[0-9]+]]:_(s32) = G_ASSERT_ZEXT [[COPY]], 16
; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[ASSERT_ZEXT]](s32)
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $w1
; CHECK-NEXT: [[ASSERT_ZEXT1:%[0-9]+]]:_(s32) = G_ASSERT_ZEXT [[COPY1]], 16
; CHECK-NEXT: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[ASSERT_ZEXT1]](s32)
; CHECK-NEXT: [[UADDO:%[0-9]+]]:_(s16), [[UADDO1:%[0-9]+]]:_(s1) = G_UADDO [[TRUNC]], [[TRUNC1]]
; CHECK-NEXT: G_BR %bb.1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors: %bb.2(0x00000800), %bb.3(0x7ffff800)
; CHECK-NEXT: liveins: $x2
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[UADDO]](s16)
; CHECK-NEXT: $w0 = COPY [[ANYEXT]](s32)
; CHECK-NEXT: BLR renamable $x2, implicit-def dead $lr, implicit $sp, implicit $w0
; CHECK-NEXT: G_BRCOND [[UADDO1]](s1), %bb.2
; CHECK-NEXT: G_BR %bb.3
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
; CHECK-NEXT: successors:
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: G_TRAP
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.3:
; CHECK-NEXT: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[UADDO]](s16)
; CHECK-NEXT: $w0 = COPY [[ZEXT]](s32)
; CHECK-NEXT: RET_ReallyLR implicit $w0
bb.1:
successors: %bb.2(0x00000800), %bb.3(0x7ffff800)
liveins: $w0, $w1, $x2
%2:_(s32) = COPY $w0
%3:_(s32) = G_ASSERT_ZEXT %2, 16
%0:_(s16) = G_TRUNC %3(s32)
%4:_(s32) = COPY $w1
%5:_(s32) = G_ASSERT_ZEXT %4, 16
%1:_(s16) = G_TRUNC %5(s32)
%6:_(s16), %7:_(s1) = G_UADDO %0, %1
G_BR %bb.4
bb.4:
liveins: $x2
successors: %bb.2(0x00000800), %bb.3(0x7ffff800)
%8:_(s32) = G_ANYEXT %6(s16)
$w0 = COPY %8(s32)
BLR renamable $x2, implicit-def dead $lr, implicit $sp, implicit $w0
G_BRCOND %7(s1), %bb.2
G_BR %bb.3
bb.2:
successors:
G_TRAP
bb.3:
%9:_(s32) = G_ZEXT %6(s16)
$w0 = COPY %9(s32)
RET_ReallyLR implicit $w0
...
---
name: cannot_fold_i8_trunc_i
tracksRegLiveness: true
body: |
; CHECK-LABEL: name: cannot_fold_i8_trunc_i
; CHECK: bb.0:
; CHECK-NEXT: successors: %bb.1(0x00000800), %bb.2(0x7ffff800)
; CHECK-NEXT: liveins: $w0, $w1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
; CHECK-NEXT: [[ASSERT_ZEXT:%[0-9]+]]:_(s32) = G_ASSERT_ZEXT [[COPY]], 16
; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[ASSERT_ZEXT]](s32)
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $w1
; CHECK-NEXT: [[ASSERT_ZEXT1:%[0-9]+]]:_(s32) = G_ASSERT_ZEXT [[COPY1]], 8
; CHECK-NEXT: [[TRUNC1:%[0-9]+]]:_(s8) = G_TRUNC [[ASSERT_ZEXT1]](s32)
; CHECK-NEXT: [[TRUNC2:%[0-9]+]]:_(s8) = G_TRUNC [[TRUNC]](s16)
; CHECK-NEXT: [[UADDO:%[0-9]+]]:_(s8), [[UADDO1:%[0-9]+]]:_(s1) = G_UADDO [[TRUNC2]], [[TRUNC1]]
; CHECK-NEXT: [[C:%[0-9]+]]:_(s1) = G_CONSTANT i1 true
; CHECK-NEXT: [[XOR:%[0-9]+]]:_(s1) = G_XOR [[UADDO1]], [[C]]
; CHECK-NEXT: G_BRCOND [[XOR]](s1), %bb.2
; CHECK-NEXT: G_BR %bb.1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors:
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: G_TRAP
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
; CHECK-NEXT: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[UADDO]](s8)
; CHECK-NEXT: $w0 = COPY [[ZEXT]](s32)
; CHECK-NEXT: RET_ReallyLR implicit $w0
bb.1:
successors: %bb.2(0x00000800), %bb.3(0x7ffff800)
liveins: $w0, $w1
%2:_(s32) = COPY $w0
%3:_(s32) = G_ASSERT_ZEXT %2, 16
%0:_(s16) = G_TRUNC %3(s32)
%4:_(s32) = COPY $w1
%5:_(s32) = G_ASSERT_ZEXT %4, 8
%1:_(s8) = G_TRUNC %5(s32)
%6:_(s8) = G_TRUNC %0(s16)
%7:_(s8), %8:_(s1) = G_UADDO %6, %1
G_BRCOND %8(s1), %bb.2
G_BR %bb.3
bb.2:
successors:
G_TRAP
bb.3:
%9:_(s32) = G_ZEXT %7(s8)
$w0 = COPY %9(s32)
RET_ReallyLR implicit $w0
...
---
name: cannot_fold_i8_trunc_b
tracksRegLiveness: true
body: |
; CHECK-LABEL: name: cannot_fold_i8_trunc_b
; CHECK: bb.0:
; CHECK-NEXT: successors: %bb.1(0x00000800), %bb.2(0x7ffff800)
; CHECK-NEXT: liveins: $w0, $w1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
; CHECK-NEXT: [[ASSERT_ZEXT:%[0-9]+]]:_(s32) = G_ASSERT_ZEXT [[COPY]], 8
; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC [[ASSERT_ZEXT]](s32)
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $w1
; CHECK-NEXT: [[ASSERT_ZEXT1:%[0-9]+]]:_(s32) = G_ASSERT_ZEXT [[COPY1]], 16
; CHECK-NEXT: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[ASSERT_ZEXT1]](s32)
; CHECK-NEXT: [[TRUNC2:%[0-9]+]]:_(s8) = G_TRUNC [[TRUNC1]](s16)
; CHECK-NEXT: [[UADDO:%[0-9]+]]:_(s8), [[UADDO1:%[0-9]+]]:_(s1) = G_UADDO [[TRUNC]], [[TRUNC2]]
; CHECK-NEXT: [[C:%[0-9]+]]:_(s1) = G_CONSTANT i1 true
; CHECK-NEXT: [[XOR:%[0-9]+]]:_(s1) = G_XOR [[UADDO1]], [[C]]
; CHECK-NEXT: G_BRCOND [[XOR]](s1), %bb.2
; CHECK-NEXT: G_BR %bb.1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors:
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: G_TRAP
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
; CHECK-NEXT: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[UADDO]](s8)
; CHECK-NEXT: $w0 = COPY [[ZEXT]](s32)
; CHECK-NEXT: RET_ReallyLR implicit $w0
bb.1:
successors: %bb.2(0x00000800), %bb.3(0x7ffff800)
liveins: $w0, $w1
%2:_(s32) = COPY $w0
%3:_(s32) = G_ASSERT_ZEXT %2, 8
%0:_(s8) = G_TRUNC %3(s32)
%4:_(s32) = COPY $w1
%5:_(s32) = G_ASSERT_ZEXT %4, 16
%1:_(s16) = G_TRUNC %5(s32)
%6:_(s8) = G_TRUNC %1(s16)
%7:_(s8), %8:_(s1) = G_UADDO %0, %6
G_BRCOND %8(s1), %bb.2
G_BR %bb.3
bb.2:
successors:
G_TRAP
bb.3:
%9:_(s32) = G_ZEXT %7(s8)
$w0 = COPY %9(s32)
RET_ReallyLR implicit $w0
...
---
name: cannot_fold_i8_trunc_both
tracksRegLiveness: true
body: |
; CHECK-LABEL: name: cannot_fold_i8_trunc_both
; CHECK: bb.0:
; CHECK-NEXT: successors: %bb.1(0x00000800), %bb.2(0x7ffff800)
; CHECK-NEXT: liveins: $w0, $w1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
; CHECK-NEXT: [[ASSERT_ZEXT:%[0-9]+]]:_(s32) = G_ASSERT_ZEXT [[COPY]], 16
; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[ASSERT_ZEXT]](s32)
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $w1
; CHECK-NEXT: [[ASSERT_ZEXT1:%[0-9]+]]:_(s32) = G_ASSERT_ZEXT [[COPY1]], 16
; CHECK-NEXT: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[ASSERT_ZEXT1]](s32)
; CHECK-NEXT: [[TRUNC2:%[0-9]+]]:_(s8) = G_TRUNC [[TRUNC]](s16)
; CHECK-NEXT: [[TRUNC3:%[0-9]+]]:_(s8) = G_TRUNC [[TRUNC1]](s16)
; CHECK-NEXT: [[UADDO:%[0-9]+]]:_(s8), [[UADDO1:%[0-9]+]]:_(s1) = G_UADDO [[TRUNC2]], [[TRUNC3]]
; CHECK-NEXT: [[C:%[0-9]+]]:_(s1) = G_CONSTANT i1 true
; CHECK-NEXT: [[XOR:%[0-9]+]]:_(s1) = G_XOR [[UADDO1]], [[C]]
; CHECK-NEXT: G_BRCOND [[XOR]](s1), %bb.2
; CHECK-NEXT: G_BR %bb.1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors:
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: G_TRAP
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
; CHECK-NEXT: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[UADDO]](s8)
; CHECK-NEXT: $w0 = COPY [[ZEXT]](s32)
; CHECK-NEXT: RET_ReallyLR implicit $w0
bb.1:
successors: %bb.2(0x00000800), %bb.3(0x7ffff800)
liveins: $w0, $w1
%2:_(s32) = COPY $w0
%3:_(s32) = G_ASSERT_ZEXT %2, 16
%0:_(s16) = G_TRUNC %3(s32)
%4:_(s32) = COPY $w1
%5:_(s32) = G_ASSERT_ZEXT %4, 16
%1:_(s16) = G_TRUNC %5(s32)
%6:_(s8) = G_TRUNC %0(s16)
%7:_(s8) = G_TRUNC %1(s16)
%8:_(s8), %9:_(s1) = G_UADDO %6, %7
G_BRCOND %9(s1), %bb.2
G_BR %bb.3
bb.2:
successors:
G_TRAP
bb.3:
%10:_(s32) = G_ZEXT %8(s8)
$w0 = COPY %10(s32)
RET_ReallyLR implicit $w0
...
---
name: cannot_fold_overflow_status_used_in_select
tracksRegLiveness: true
body: |
bb.1:
liveins: $w0, $w1
; CHECK-LABEL: name: cannot_fold_overflow_status_used_in_select
; CHECK: liveins: $w0, $w1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
; CHECK-NEXT: [[ASSERT_ZEXT:%[0-9]+]]:_(s32) = G_ASSERT_ZEXT [[COPY]], 16
; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[ASSERT_ZEXT]](s32)
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $w1
; CHECK-NEXT: [[ASSERT_ZEXT1:%[0-9]+]]:_(s32) = G_ASSERT_ZEXT [[COPY1]], 16
; CHECK-NEXT: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[ASSERT_ZEXT1]](s32)
; CHECK-NEXT: [[C:%[0-9]+]]:_(s16) = G_CONSTANT i16 10
; CHECK-NEXT: [[UADDO:%[0-9]+]]:_(s16), [[UADDO1:%[0-9]+]]:_(s1) = G_UADDO [[TRUNC]], [[TRUNC1]]
; CHECK-NEXT: [[SELECT:%[0-9]+]]:_(s16) = G_SELECT [[UADDO1]](s1), [[C]], [[UADDO]]
; CHECK-NEXT: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[SELECT]](s16)
; CHECK-NEXT: $w0 = COPY [[ZEXT]](s32)
; CHECK-NEXT: RET_ReallyLR implicit $w0
%2:_(s32) = COPY $w0
%3:_(s32) = G_ASSERT_ZEXT %2, 16
%0:_(s16) = G_TRUNC %3(s32)
%4:_(s32) = COPY $w1
%5:_(s32) = G_ASSERT_ZEXT %4, 16
%1:_(s16) = G_TRUNC %5(s32)
%9:_(s16) = G_CONSTANT i16 10
%6:_(s16), %7:_(s1) = G_UADDO %0, %1
%8:_(s16) = G_SELECT %7(s1), %9, %6
%10:_(s32) = G_ZEXT %8(s16)
$w0 = COPY %10(s32)
RET_ReallyLR implicit $w0
...
---
name: cannot_fold_i16_inputs_not_assert_zext
tracksRegLiveness: true
body: |
; CHECK-LABEL: name: cannot_fold_i16_inputs_not_assert_zext
; CHECK: bb.0:
; CHECK-NEXT: successors: %bb.1(0x00000800), %bb.2(0x7ffff800)
; CHECK-NEXT: liveins: $w0, $w1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[COPY]](s32)
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $w1
; CHECK-NEXT: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[COPY1]](s32)
; CHECK-NEXT: [[UADDO:%[0-9]+]]:_(s16), [[UADDO1:%[0-9]+]]:_(s1) = G_UADDO [[TRUNC]], [[TRUNC1]]
; CHECK-NEXT: [[C:%[0-9]+]]:_(s1) = G_CONSTANT i1 true
; CHECK-NEXT: [[XOR:%[0-9]+]]:_(s1) = G_XOR [[UADDO1]], [[C]]
; CHECK-NEXT: G_BRCOND [[XOR]](s1), %bb.2
; CHECK-NEXT: G_BR %bb.1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors:
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: G_TRAP
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
; CHECK-NEXT: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[UADDO]](s16)
; CHECK-NEXT: $w0 = COPY [[ANYEXT]](s32)
; CHECK-NEXT: RET_ReallyLR implicit $w0
bb.1:
successors: %bb.2(0x00000800), %bb.3(0x7ffff800)
liveins: $w0, $w1
%2:_(s32) = COPY $w0
%0:_(s16) = G_TRUNC %2(s32)
%3:_(s32) = COPY $w1
%1:_(s16) = G_TRUNC %3(s32)
%4:_(s16), %5:_(s1) = G_UADDO %0, %1
G_BRCOND %5(s1), %bb.2
G_BR %bb.3
bb.2:
successors:
G_TRAP
bb.3:
%6:_(s32) = G_ANYEXT %4(s16)
$w0 = COPY %6(s32)
RET_ReallyLR implicit $w0
...
---
name: cannot_fold_branch_to_use_on_overflow
tracksRegLiveness: true
body: |
; CHECK-LABEL: name: cannot_fold_branch_to_use_on_overflow
; CHECK: bb.0:
; CHECK-NEXT: successors: %bb.1(0x7ffff800), %bb.2(0x00000800)
; CHECK-NEXT: liveins: $w0, $w1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
; CHECK-NEXT: [[ASSERT_ZEXT:%[0-9]+]]:_(s32) = G_ASSERT_ZEXT [[COPY]], 16
; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[ASSERT_ZEXT]](s32)
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $w1
; CHECK-NEXT: [[ASSERT_ZEXT1:%[0-9]+]]:_(s32) = G_ASSERT_ZEXT [[COPY1]], 16
; CHECK-NEXT: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[ASSERT_ZEXT1]](s32)
; CHECK-NEXT: [[UADDO:%[0-9]+]]:_(s16), [[UADDO1:%[0-9]+]]:_(s1) = G_UADDO [[TRUNC]], [[TRUNC1]]
; CHECK-NEXT: [[C:%[0-9]+]]:_(s1) = G_CONSTANT i1 true
; CHECK-NEXT: [[XOR:%[0-9]+]]:_(s1) = G_XOR [[UADDO1]], [[C]]
; CHECK-NEXT: G_BRCOND [[XOR]](s1), %bb.2
; CHECK-NEXT: G_BR %bb.1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[UADDO]](s16)
; CHECK-NEXT: $w0 = COPY [[ZEXT]](s32)
; CHECK-NEXT: RET_ReallyLR implicit $w0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
; CHECK-NEXT: G_TRAP
bb.1:
successors: %bb.2(0x7ffff800), %bb.3(0x00000800)
liveins: $w0, $w1
%2:_(s32) = COPY $w0
%3:_(s32) = G_ASSERT_ZEXT %2, 16
%0:_(s16) = G_TRUNC %3(s32)
%4:_(s32) = COPY $w1
%5:_(s32) = G_ASSERT_ZEXT %4, 16
%1:_(s16) = G_TRUNC %5(s32)
%6:_(s16), %7:_(s1) = G_UADDO %0, %1
G_BRCOND %7(s1), %bb.2
G_BR %bb.3
bb.2:
%8:_(s32) = G_ZEXT %6(s16)
$w0 = COPY %8(s32)
RET_ReallyLR implicit $w0
bb.3:
G_TRAP
...
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