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TheRock/compiler/amd-llvm/llvm/test/CodeGen/AArch64/GlobalISel/regbankselect-fp-loads.mir
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -O0 -mtriple=aarch64-apple-ios -run-pass=regbankselect -verify-machineinstrs %s -o - | FileCheck %s -check-prefix=CHECK
--- |
target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
@var_fp = global float 0.0
@var_int = global i32 0
define float @fp_load_phi() { ret float undef }
define i32 @int_load_phi_gpr() { ret i32 undef }
define i32 @int_load_phi_fpr() { ret i32 undef }
@array_double = dso_local global [32000 x double] zeroinitializer, align 8
@struct_array_double = dso_local global { [32000 x double] } zeroinitializer, align 8
@struct_struct_array_double = dso_local global {{ [32000 x double] }} zeroinitializer, align 8
define float @array_load_double() { ret float undef }
define float @struct_array_load_double() { ret float undef }
define float @struct_struct_array_load_double() { ret float undef }
@array_int = dso_local global [32000 x i32] zeroinitializer, align 8
@struct_array_int = dso_local global { [32000 x i32] } zeroinitializer, align 8
@struct_struct_array_int = dso_local global {{ [32000 x i32] }} zeroinitializer, align 8
define i32 @array_load_int_gpr() { ret i32 undef }
define i32 @array_load_int_fpr() { ret i32 undef }
define i32 @struct_array_load_int_gpr() { ret i32 undef }
define i32 @struct_array_load_int_fpr() { ret i32 undef }
define i32 @struct_struct_array_load_int_gpr() { ret i32 undef }
define i32 @struct_struct_array_load_int_fpr() { ret i32 undef }
...
---
name: fp_load_phi
legalized: true
regBankSelected: false
tracksRegLiveness: true
body: |
; CHECK-LABEL: name: fp_load_phi
; CHECK: bb.0:
; CHECK-NEXT: successors: %bb.1(0x80000000)
; CHECK-NEXT: liveins: $w0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr(s32) = COPY $w0
; CHECK-NEXT: [[GV:%[0-9]+]]:gpr(p0) = G_GLOBAL_VALUE @var_fp
; CHECK-NEXT: %fp_load:fpr(s32) = G_LOAD [[GV]](p0) :: (load (s32) from @var_fp)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[PHI:%[0-9]+]]:fpr(s32) = PHI %fp_load(s32), %bb.0, [[PHI]](s32), %bb.1
; CHECK-NEXT: G_BRCOND [[COPY]](s32), %bb.1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
; CHECK-NEXT: $s0 = COPY [[PHI]](s32)
; CHECK-NEXT: RET_ReallyLR implicit $s0
bb.0:
liveins: $w0
successors: %bb.1
%0:_(s32) = COPY $w0
%1:_(p0) = G_GLOBAL_VALUE @var_fp
%fp_load:_(s32) = G_LOAD %1 :: (load 4 from @var_fp)
bb.1:
successors: %bb.1, %bb.2
%2:_(s32) = PHI %fp_load, %bb.0, %2, %bb.1
G_BRCOND %0, %bb.1
bb.2:
$s0 = COPY %2
RET_ReallyLR implicit $s0
...
---
name: int_load_phi_gpr
legalized: true
regBankSelected: false
tracksRegLiveness: true
body: |
; CHECK-LABEL: name: int_load_phi_gpr
; CHECK: bb.0:
; CHECK-NEXT: successors: %bb.1(0x80000000)
; CHECK-NEXT: liveins: $w0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr(s32) = COPY $w0
; CHECK-NEXT: [[GV:%[0-9]+]]:gpr(p0) = G_GLOBAL_VALUE @var_fp
; CHECK-NEXT: %fp_load:gpr(s32) = G_LOAD [[GV]](p0) :: (load (s32) from @var_int)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[PHI:%[0-9]+]]:gpr(s32) = PHI %fp_load(s32), %bb.0, [[PHI]](s32), %bb.1
; CHECK-NEXT: G_BRCOND [[COPY]](s32), %bb.1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
; CHECK-NEXT: $w1 = COPY [[PHI]](s32)
; CHECK-NEXT: RET_ReallyLR implicit $w1
bb.0:
liveins: $w0
successors: %bb.1
%0:_(s32) = COPY $w0
%1:_(p0) = G_GLOBAL_VALUE @var_fp
%fp_load:_(s32) = G_LOAD %1 :: (load 4 from @var_int)
bb.1:
successors: %bb.1, %bb.2
%2:_(s32) = PHI %fp_load, %bb.0, %2, %bb.1
G_BRCOND %0, %bb.1
bb.2:
$w1 = COPY %2
RET_ReallyLR implicit $w1
...
---
name: int_load_phi_fpr
legalized: true
regBankSelected: false
tracksRegLiveness: true
body: |
; CHECK-LABEL: name: int_load_phi_fpr
; CHECK: bb.0:
; CHECK-NEXT: successors: %bb.1(0x80000000)
; CHECK-NEXT: liveins: $w0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr(s32) = COPY $w0
; CHECK-NEXT: [[GV:%[0-9]+]]:gpr(p0) = G_GLOBAL_VALUE @var_fp
; CHECK-NEXT: %fp_load:fpr(s32) = G_LOAD [[GV]](p0) :: (load (s32) from @var_int)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[PHI:%[0-9]+]]:fpr(s32) = PHI %fp_load(s32), %bb.0, [[PHI]](s32), %bb.1
; CHECK-NEXT: G_BRCOND [[COPY]](s32), %bb.1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
; CHECK-NEXT: $s0 = COPY [[PHI]](s32)
; CHECK-NEXT: RET_ReallyLR implicit $s0
bb.0:
liveins: $w0
successors: %bb.1
%0:_(s32) = COPY $w0
%1:_(p0) = G_GLOBAL_VALUE @var_fp
%fp_load:_(s32) = G_LOAD %1 :: (load 4 from @var_int)
bb.1:
successors: %bb.1, %bb.2
%2:_(s32) = PHI %fp_load, %bb.0, %2, %bb.1
G_BRCOND %0, %bb.1
bb.2:
$s0 = COPY %2
RET_ReallyLR implicit $s0
...
---
name: array_load_double
legalized: true
regBankSelected: false
tracksRegLiveness: true
body: |
; CHECK-LABEL: name: array_load_double
; CHECK: bb.0:
; CHECK-NEXT: successors: %bb.1(0x80000000)
; CHECK-NEXT: liveins: $w0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr(s32) = COPY $w0
; CHECK-NEXT: [[GV:%[0-9]+]]:gpr(p0) = G_GLOBAL_VALUE @array_double
; CHECK-NEXT: %fp_load:fpr(s64) = G_LOAD [[GV]](p0) :: (dereferenceable load (s64) from @array_double)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[PHI:%[0-9]+]]:fpr(s32) = PHI %fp_load(s64), %bb.0, [[PHI]](s32), %bb.1
; CHECK-NEXT: G_BRCOND [[COPY]](s32), %bb.1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
; CHECK-NEXT: $s0 = COPY [[PHI]](s32)
; CHECK-NEXT: RET_ReallyLR implicit $s0
bb.0:
liveins: $w0
successors: %bb.1
%0:_(s32) = COPY $w0
%1:_(p0) = G_GLOBAL_VALUE @array_double
%fp_load:_(s64) = G_LOAD %1(p0) :: (dereferenceable load (s64) from @array_double)
bb.1:
successors: %bb.1, %bb.2
%2:_(s32) = PHI %fp_load, %bb.0, %2, %bb.1
G_BRCOND %0, %bb.1
bb.2:
$s0 = COPY %2
RET_ReallyLR implicit $s0
...
---
name: struct_array_load_double
legalized: true
regBankSelected: false
tracksRegLiveness: true
body: |
; CHECK-LABEL: name: struct_array_load_double
; CHECK: bb.0:
; CHECK-NEXT: successors: %bb.1(0x80000000)
; CHECK-NEXT: liveins: $w0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr(s32) = COPY $w0
; CHECK-NEXT: [[GV:%[0-9]+]]:gpr(p0) = G_GLOBAL_VALUE @struct_array_double
; CHECK-NEXT: %fp_load:fpr(s64) = G_LOAD [[GV]](p0) :: (dereferenceable load (s64) from @struct_array_double)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[PHI:%[0-9]+]]:fpr(s32) = PHI %fp_load(s64), %bb.0, [[PHI]](s32), %bb.1
; CHECK-NEXT: G_BRCOND [[COPY]](s32), %bb.1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
; CHECK-NEXT: $s0 = COPY [[PHI]](s32)
; CHECK-NEXT: RET_ReallyLR implicit $s0
bb.0:
liveins: $w0
successors: %bb.1
%0:_(s32) = COPY $w0
%1:_(p0) = G_GLOBAL_VALUE @struct_array_double
%fp_load:_(s64) = G_LOAD %1(p0) :: (dereferenceable load (s64) from @struct_array_double)
bb.1:
successors: %bb.1, %bb.2
%2:_(s32) = PHI %fp_load, %bb.0, %2, %bb.1
G_BRCOND %0, %bb.1
bb.2:
$s0 = COPY %2
RET_ReallyLR implicit $s0
...
---
name: struct_struct_array_load_double
legalized: true
regBankSelected: false
tracksRegLiveness: true
body: |
; CHECK-LABEL: name: struct_struct_array_load_double
; CHECK: bb.0:
; CHECK-NEXT: successors: %bb.1(0x80000000)
; CHECK-NEXT: liveins: $w0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr(s32) = COPY $w0
; CHECK-NEXT: [[GV:%[0-9]+]]:gpr(p0) = G_GLOBAL_VALUE @struct_struct_array_double
; CHECK-NEXT: %fp_load:fpr(s64) = G_LOAD [[GV]](p0) :: (dereferenceable load (s64) from @struct_struct_array_double)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[PHI:%[0-9]+]]:fpr(s32) = PHI %fp_load(s64), %bb.0, [[PHI]](s32), %bb.1
; CHECK-NEXT: G_BRCOND [[COPY]](s32), %bb.1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
; CHECK-NEXT: $s0 = COPY [[PHI]](s32)
; CHECK-NEXT: RET_ReallyLR implicit $s0
bb.0:
liveins: $w0
successors: %bb.1
%0:_(s32) = COPY $w0
%1:_(p0) = G_GLOBAL_VALUE @struct_struct_array_double
%fp_load:_(s64) = G_LOAD %1(p0) :: (dereferenceable load (s64) from @struct_struct_array_double)
bb.1:
successors: %bb.1, %bb.2
%2:_(s32) = PHI %fp_load, %bb.0, %2, %bb.1
G_BRCOND %0, %bb.1
bb.2:
$s0 = COPY %2
RET_ReallyLR implicit $s0
...
---
name: array_load_int_gpr
legalized: true
regBankSelected: false
tracksRegLiveness: true
body: |
; CHECK-LABEL: name: array_load_int_gpr
; CHECK: bb.0:
; CHECK-NEXT: successors: %bb.1(0x80000000)
; CHECK-NEXT: liveins: $w0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr(s32) = COPY $w0
; CHECK-NEXT: [[GV:%[0-9]+]]:gpr(p0) = G_GLOBAL_VALUE @array_int
; CHECK-NEXT: %fp_load:gpr(s64) = G_LOAD [[GV]](p0) :: (dereferenceable load (s64) from @array_int)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[PHI:%[0-9]+]]:gpr(s32) = PHI %fp_load(s64), %bb.0, [[PHI]](s32), %bb.1
; CHECK-NEXT: G_BRCOND [[COPY]](s32), %bb.1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
; CHECK-NEXT: $w1 = COPY [[PHI]](s32)
; CHECK-NEXT: RET_ReallyLR implicit $w1
bb.0:
liveins: $w0
successors: %bb.1
%0:_(s32) = COPY $w0
%1:_(p0) = G_GLOBAL_VALUE @array_int
%fp_load:_(s64) = G_LOAD %1(p0) :: (dereferenceable load (s64) from @array_int)
bb.1:
successors: %bb.1, %bb.2
%2:_(s32) = PHI %fp_load, %bb.0, %2, %bb.1
G_BRCOND %0, %bb.1
bb.2:
$w1 = COPY %2
RET_ReallyLR implicit $w1
...
---
name: array_load_int_fpr
legalized: true
regBankSelected: false
tracksRegLiveness: true
body: |
; CHECK-LABEL: name: array_load_int_fpr
; CHECK: bb.0:
; CHECK-NEXT: successors: %bb.1(0x80000000)
; CHECK-NEXT: liveins: $w0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr(s32) = COPY $w0
; CHECK-NEXT: [[GV:%[0-9]+]]:gpr(p0) = G_GLOBAL_VALUE @array_int
; CHECK-NEXT: %fp_load:fpr(s64) = G_LOAD [[GV]](p0) :: (dereferenceable load (s64) from @array_int)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[PHI:%[0-9]+]]:fpr(s32) = PHI %fp_load(s64), %bb.0, [[PHI]](s32), %bb.1
; CHECK-NEXT: G_BRCOND [[COPY]](s32), %bb.1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
; CHECK-NEXT: $s0 = COPY [[PHI]](s32)
; CHECK-NEXT: RET_ReallyLR implicit $s0
bb.0:
liveins: $w0
successors: %bb.1
%0:_(s32) = COPY $w0
%1:_(p0) = G_GLOBAL_VALUE @array_int
%fp_load:_(s64) = G_LOAD %1(p0) :: (dereferenceable load (s64) from @array_int)
bb.1:
successors: %bb.1, %bb.2
%2:_(s32) = PHI %fp_load, %bb.0, %2, %bb.1
G_BRCOND %0, %bb.1
bb.2:
$s0 = COPY %2
RET_ReallyLR implicit $s0
...
---
name: struct_array_load_int_gpr
legalized: true
regBankSelected: false
tracksRegLiveness: true
body: |
; CHECK-LABEL: name: struct_array_load_int_gpr
; CHECK: bb.0:
; CHECK-NEXT: successors: %bb.1(0x80000000)
; CHECK-NEXT: liveins: $w0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr(s32) = COPY $w0
; CHECK-NEXT: [[GV:%[0-9]+]]:gpr(p0) = G_GLOBAL_VALUE @struct_array_int
; CHECK-NEXT: %fp_load:gpr(s64) = G_LOAD [[GV]](p0) :: (dereferenceable load (s64) from @struct_array_int)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[PHI:%[0-9]+]]:gpr(s32) = PHI %fp_load(s64), %bb.0, [[PHI]](s32), %bb.1
; CHECK-NEXT: G_BRCOND [[COPY]](s32), %bb.1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
; CHECK-NEXT: $w1 = COPY [[PHI]](s32)
; CHECK-NEXT: RET_ReallyLR implicit $w1
bb.0:
liveins: $w0
successors: %bb.1
%0:_(s32) = COPY $w0
%1:_(p0) = G_GLOBAL_VALUE @struct_array_int
%fp_load:_(s64) = G_LOAD %1(p0) :: (dereferenceable load (s64) from @struct_array_int)
bb.1:
successors: %bb.1, %bb.2
%2:_(s32) = PHI %fp_load, %bb.0, %2, %bb.1
G_BRCOND %0, %bb.1
bb.2:
$w1 = COPY %2
RET_ReallyLR implicit $w1
...
---
name: struct_array_load_int_fpr
legalized: true
regBankSelected: false
tracksRegLiveness: true
body: |
; CHECK-LABEL: name: struct_array_load_int_fpr
; CHECK: bb.0:
; CHECK-NEXT: successors: %bb.1(0x80000000)
; CHECK-NEXT: liveins: $w0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr(s32) = COPY $w0
; CHECK-NEXT: [[GV:%[0-9]+]]:gpr(p0) = G_GLOBAL_VALUE @struct_array_int
; CHECK-NEXT: %fp_load:fpr(s64) = G_LOAD [[GV]](p0) :: (dereferenceable load (s64) from @struct_array_int)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[PHI:%[0-9]+]]:fpr(s32) = PHI %fp_load(s64), %bb.0, [[PHI]](s32), %bb.1
; CHECK-NEXT: G_BRCOND [[COPY]](s32), %bb.1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
; CHECK-NEXT: $s0 = COPY [[PHI]](s32)
; CHECK-NEXT: RET_ReallyLR implicit $s0
bb.0:
liveins: $w0
successors: %bb.1
%0:_(s32) = COPY $w0
%1:_(p0) = G_GLOBAL_VALUE @struct_array_int
%fp_load:_(s64) = G_LOAD %1(p0) :: (dereferenceable load (s64) from @struct_array_int)
bb.1:
successors: %bb.1, %bb.2
%2:_(s32) = PHI %fp_load, %bb.0, %2, %bb.1
G_BRCOND %0, %bb.1
bb.2:
$s0 = COPY %2
RET_ReallyLR implicit $s0
...
---
name: struct_struct_array_load_int_gpr
legalized: true
regBankSelected: false
tracksRegLiveness: true
body: |
; CHECK-LABEL: name: struct_struct_array_load_int_gpr
; CHECK: bb.0:
; CHECK-NEXT: successors: %bb.1(0x80000000)
; CHECK-NEXT: liveins: $w0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr(s32) = COPY $w0
; CHECK-NEXT: [[GV:%[0-9]+]]:gpr(p0) = G_GLOBAL_VALUE @struct_struct_array_int
; CHECK-NEXT: %fp_load:gpr(s64) = G_LOAD [[GV]](p0) :: (dereferenceable load (s64) from @struct_struct_array_int)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[PHI:%[0-9]+]]:gpr(s32) = PHI %fp_load(s64), %bb.0, [[PHI]](s32), %bb.1
; CHECK-NEXT: G_BRCOND [[COPY]](s32), %bb.1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
; CHECK-NEXT: $w1 = COPY [[PHI]](s32)
; CHECK-NEXT: RET_ReallyLR implicit $w1
bb.0:
liveins: $w0
successors: %bb.1
%0:_(s32) = COPY $w0
%1:_(p0) = G_GLOBAL_VALUE @struct_struct_array_int
%fp_load:_(s64) = G_LOAD %1(p0) :: (dereferenceable load (s64) from @struct_struct_array_int)
bb.1:
successors: %bb.1, %bb.2
%2:_(s32) = PHI %fp_load, %bb.0, %2, %bb.1
G_BRCOND %0, %bb.1
bb.2:
$w1 = COPY %2
RET_ReallyLR implicit $w1
...
---
name: struct_struct_array_load_int_fpr
legalized: true
regBankSelected: false
tracksRegLiveness: true
body: |
; CHECK-LABEL: name: struct_struct_array_load_int_fpr
; CHECK: bb.0:
; CHECK-NEXT: successors: %bb.1(0x80000000)
; CHECK-NEXT: liveins: $w0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr(s32) = COPY $w0
; CHECK-NEXT: [[GV:%[0-9]+]]:gpr(p0) = G_GLOBAL_VALUE @struct_struct_array_int
; CHECK-NEXT: %fp_load:fpr(s64) = G_LOAD [[GV]](p0) :: (dereferenceable load (s64) from @struct_struct_array_int)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[PHI:%[0-9]+]]:fpr(s32) = PHI %fp_load(s64), %bb.0, [[PHI]](s32), %bb.1
; CHECK-NEXT: G_BRCOND [[COPY]](s32), %bb.1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
; CHECK-NEXT: $s0 = COPY [[PHI]](s32)
; CHECK-NEXT: RET_ReallyLR implicit $s0
bb.0:
liveins: $w0
successors: %bb.1
%0:_(s32) = COPY $w0
%1:_(p0) = G_GLOBAL_VALUE @struct_struct_array_int
%fp_load:_(s64) = G_LOAD %1(p0) :: (dereferenceable load (s64) from @struct_struct_array_int)
bb.1:
successors: %bb.1, %bb.2
%2:_(s32) = PHI %fp_load, %bb.0, %2, %bb.1
G_BRCOND %0, %bb.1
bb.2:
$s0 = COPY %2
RET_ReallyLR implicit $s0
...
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