194 lines
6.3 KiB
LLVM
194 lines
6.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 3
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; RUN: llc < %s -mtriple=thumbv6m | FileCheck %s
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; RUN: llc < %s -mtriple=thumbv6m -mattr=+execute-only | FileCheck %s -check-prefix=V6M
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; RUN: llc < %s -mtriple=thumbv8m.base -mattr=+execute-only | FileCheck %s -check-prefix=V8MBASE
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define dso_local i32 @main() #0 {
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; CHECK-LABEL: main:
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; CHECK: @ %bb.0: @ %entry
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; CHECK-NEXT: push {r7, lr}
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; CHECK-NEXT: sub sp, #24
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; CHECK-NEXT: movs r0, #0
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; CHECK-NEXT: str r0, [sp, #4]
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; CHECK-NEXT: ldr r0, .LCPI0_0
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; CHECK-NEXT: ldr r0, [r0]
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; CHECK-NEXT: str r0, [sp, #20]
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; CHECK-NEXT: add r0, sp, #8
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; CHECK-NEXT: ldrb r0, [r0]
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; CHECK-NEXT: ldr r1, [sp, #20]
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; CHECK-NEXT: ldr r2, .LCPI0_0
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; CHECK-NEXT: ldr r2, [r2]
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; CHECK-NEXT: cmp r2, r1
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; CHECK-NEXT: bne .LBB0_2
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; CHECK-NEXT: @ %bb.1: @ %entry
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; CHECK-NEXT: add sp, #24
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; CHECK-NEXT: pop {r7, pc}
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; CHECK-NEXT: .LBB0_2: @ %entry
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; CHECK-NEXT: bl __stack_chk_fail
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; CHECK-NEXT: .p2align 2
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; CHECK-NEXT: @ %bb.3:
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; CHECK-NEXT: .LCPI0_0:
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; CHECK-NEXT: .long __stack_chk_guard
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;
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; V6M-LABEL: main:
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; V6M: @ %bb.0: @ %entry
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; V6M-NEXT: push {r7, lr}
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; V6M-NEXT: sub sp, #
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; V6M-NEXT: movs r0, #0
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; V6M-NEXT: str r0, [sp, #
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; V6M-NEXT: mrs r12, apsr
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; V6M-NEXT: movs r0, :upper8_15:__stack_chk_guard
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; V6M-NEXT: lsls r0, r0, #8
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; V6M-NEXT: adds r0, :upper0_7:__stack_chk_guard
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; V6M-NEXT: lsls r0, r0, #8
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; V6M-NEXT: adds r0, :lower8_15:__stack_chk_guard
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; V6M-NEXT: lsls r0, r0, #8
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; V6M-NEXT: adds r0, :lower0_7:__stack_chk_guard
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; V6M-NEXT: msr apsr, r12
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; V6M-NEXT: ldr r0, [r0]
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; V6M-NEXT: str r0, [sp, #
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; V6M-NEXT: add r0, sp, #
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; V6M-NEXT: ldrb r0, [r0]
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; V6M-NEXT: ldr r1, [sp, #
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; V6M-NEXT: mrs r12, apsr
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; V6M-NEXT: movs r2, :upper8_15:__stack_chk_guard
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; V6M-NEXT: lsls r2, r2, #8
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; V6M-NEXT: adds r2, :upper0_7:__stack_chk_guard
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; V6M-NEXT: lsls r2, r2, #8
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; V6M-NEXT: adds r2, :lower8_15:__stack_chk_guard
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; V6M-NEXT: lsls r2, r2, #8
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; V6M-NEXT: adds r2, :lower0_7:__stack_chk_guard
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; V6M-NEXT: msr apsr, r12
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; V6M-NEXT: ldr r2, [r2]
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; V6M-NEXT: cmp r2, r1
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; V6M-NEXT: bne .LBB0_2
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; V6M-NEXT: @ %bb.1: @ %entry
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; V6M-NEXT: add sp, #
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; V6M-NEXT: pop {r7, pc}
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; V6M-NEXT: .LBB0_2: @ %entry
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; V6M-NEXT: bl __stack_chk_fail
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;
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; V8MBASE-LABEL: main:
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; V8MBASE: @ %bb.0: @ %entry
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; V8MBASE-NEXT: push {r7, lr}
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; V8MBASE-NEXT: sub sp, #24
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; V8MBASE-NEXT: movs r0, #0
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; V8MBASE-NEXT: str r0, [sp, #4]
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; V8MBASE-NEXT: movw r0, :lower16:__stack_chk_guard
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; V8MBASE-NEXT: movt r0, :upper16:__stack_chk_guard
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; V8MBASE-NEXT: ldr r0, [r0]
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; V8MBASE-NEXT: str r0, [sp, #20]
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; V8MBASE-NEXT: add r0, sp, #8
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; V8MBASE-NEXT: ldrb r0, [r0]
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; V8MBASE-NEXT: ldr r1, [sp, #20]
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; V8MBASE-NEXT: movw r2, :lower16:__stack_chk_guard
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; V8MBASE-NEXT: movt r2, :upper16:__stack_chk_guard
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; V8MBASE-NEXT: ldr r2, [r2]
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; V8MBASE-NEXT: cmp r2, r1
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; V8MBASE-NEXT: bne .LBB0_2
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; V8MBASE-NEXT: @ %bb.1: @ %entry
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; V8MBASE-NEXT: add sp, #24
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; V8MBASE-NEXT: pop {r7, pc}
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; V8MBASE-NEXT: .LBB0_2: @ %entry
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; V8MBASE-NEXT: bl __stack_chk_fail
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entry:
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%retval = alloca i32, align 4
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%buffer = alloca [9 x i8], align 1
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store i32 0, ptr %retval, align 4
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%arrayidx = getelementptr inbounds [9 x i8], ptr %buffer, i32 0, i32 0
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%0 = load i8, ptr %arrayidx, align 1
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%conv = zext i8 %0 to i32
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ret i32 %conv
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}
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@aa = hidden local_unnamed_addr global i32 0, align 4
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@bb = hidden local_unnamed_addr global i64 0, align 8
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define dso_local i64 @cc() local_unnamed_addr #1 {
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; V6M-LABEL: cc:
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; V6M: @ %bb.0: @ %entry
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; V6M-NEXT: push {r4, r5, r7, lr}
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; V6M-NEXT: sub sp, #8
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; V6M-NEXT: movs r0, #1
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; V6M-NEXT: lsls r3, r0, #31
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; V6M-NEXT: movs r0, :upper8_15:aa
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; V6M-NEXT: lsls r0, r0, #8
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; V6M-NEXT: adds r0, :upper0_7:aa
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; V6M-NEXT: lsls r0, r0, #8
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; V6M-NEXT: adds r0, :lower8_15:aa
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; V6M-NEXT: lsls r0, r0, #8
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; V6M-NEXT: adds r0, :lower0_7:aa
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; V6M-NEXT: ldr r2, [r0]
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; V6M-NEXT: asrs r4, r2, #31
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; V6M-NEXT: eors r3, r4
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; V6M-NEXT: movs r0, :upper8_15:bb
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; V6M-NEXT: lsls r0, r0, #8
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; V6M-NEXT: adds r0, :upper0_7:bb
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; V6M-NEXT: lsls r0, r0, #8
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; V6M-NEXT: adds r0, :lower8_15:bb
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; V6M-NEXT: lsls r0, r0, #8
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; V6M-NEXT: adds r0, :lower0_7:bb
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; V6M-NEXT: ldm r0!, {r1, r5}
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; V6M-NEXT: subs r0, r2, r1
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; V6M-NEXT: sbcs r3, r5
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; V6M-NEXT: subs r0, r2, r1
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; V6M-NEXT: mrs r12, apsr
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; V6M-NEXT: movs r1, :upper8_15:__stack_chk_guard
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; V6M-NEXT: lsls r1, r1, #8
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; V6M-NEXT: adds r1, :upper0_7:__stack_chk_guard
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; V6M-NEXT: lsls r1, r1, #8
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; V6M-NEXT: adds r1, :lower8_15:__stack_chk_guard
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; V6M-NEXT: lsls r1, r1, #8
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; V6M-NEXT: adds r1, :lower0_7:__stack_chk_guard
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; V6M-NEXT: msr apsr, r12
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; V6M-NEXT: ldr r1, [r1]
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; V6M-NEXT: str r1, [sp, #4]
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; V6M-NEXT: mov r1, r4
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; V6M-NEXT: sbcs r1, r5
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; V6M-NEXT: ands r3, r4
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; V6M-NEXT: ands r2, r0
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; V6M-NEXT: mov r4, r2
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; V6M-NEXT: orrs r4, r3
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; V6M-NEXT: beq .LBB1_2
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; V6M-NEXT: @ %bb.1: @ %entry
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; V6M-NEXT: mov r1, r3
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; V6M-NEXT: .LBB1_2: @ %entry
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; V6M-NEXT: cmp r4, #0
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; V6M-NEXT: beq .LBB1_4
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; V6M-NEXT: @ %bb.3: @ %entry
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; V6M-NEXT: mov r0, r2
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; V6M-NEXT: .LBB1_4: @ %entry
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; V6M-NEXT: ldr r2, [sp, #4]
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; V6M-NEXT: mrs r12, apsr
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; V6M-NEXT: movs r3, :upper8_15:__stack_chk_guard
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; V6M-NEXT: lsls r3, r3, #8
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; V6M-NEXT: adds r3, :upper0_7:__stack_chk_guard
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; V6M-NEXT: lsls r3, r3, #8
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; V6M-NEXT: adds r3, :lower8_15:__stack_chk_guard
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; V6M-NEXT: lsls r3, r3, #8
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; V6M-NEXT: adds r3, :lower0_7:__stack_chk_guard
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; V6M-NEXT: msr apsr, r12
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; V6M-NEXT: ldr r3, [r3]
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; V6M-NEXT: cmp r3, r2
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; V6M-NEXT: bne .LBB1_6
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; V6M-NEXT: @ %bb.5: @ %entry
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; V6M-NEXT: add sp, #8
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; V6M-NEXT: pop {r4, r5, r7, pc}
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; V6M-NEXT: .LBB1_6: @ %entry
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; V6M-NEXT: bl __stack_chk_fail
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entry:
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%0 = load i32, ptr @aa, align 4
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%conv = sext i32 %0 to i64
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%xor = xor i64 %conv, -9223372036854775808
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%1 = load i64, ptr @bb, align 8
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%sub = sub nsw i64 %xor, %1
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%and = and i64 %sub, %conv
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%tobool.not = icmp eq i64 %and, 0
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%sub3 = sub nsw i64 %conv, %1
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%spec.select = select i1 %tobool.not, i64 %sub3, i64 %and
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ret i64 %spec.select
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}
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attributes #0 = { ssp "stack-protector-buffer-size"="8" }
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attributes #1 = { sspreq }
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