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|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 3
; RUN: llc < %s -mtriple=thumbv6m | FileCheck %s
; RUN: llc < %s -mtriple=thumbv6m -mattr=+execute-only | FileCheck %s -check-prefix=V6M
; RUN: llc < %s -mtriple=thumbv8m.base -mattr=+execute-only | FileCheck %s -check-prefix=V8MBASE
define dso_local i32 @main() #0 {
; CHECK-LABEL: main:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: push {r7, lr}
; CHECK-NEXT: sub sp, #24
; CHECK-NEXT: movs r0, #0
; CHECK-NEXT: str r0, [sp, #4]
; CHECK-NEXT: ldr r0, .LCPI0_0
; CHECK-NEXT: ldr r0, [r0]
; CHECK-NEXT: str r0, [sp, #20]
; CHECK-NEXT: add r0, sp, #8
; CHECK-NEXT: ldrb r0, [r0]
; CHECK-NEXT: ldr r1, [sp, #20]
; CHECK-NEXT: ldr r2, .LCPI0_0
; CHECK-NEXT: ldr r2, [r2]
; CHECK-NEXT: cmp r2, r1
; CHECK-NEXT: bne .LBB0_2
; CHECK-NEXT: @ %bb.1: @ %entry
; CHECK-NEXT: add sp, #24
; CHECK-NEXT: pop {r7, pc}
; CHECK-NEXT: .LBB0_2: @ %entry
; CHECK-NEXT: bl __stack_chk_fail
; CHECK-NEXT: .p2align 2
; CHECK-NEXT: @ %bb.3:
; CHECK-NEXT: .LCPI0_0:
; CHECK-NEXT: .long __stack_chk_guard
;
; V6M-LABEL: main:
; V6M: @ %bb.0: @ %entry
; V6M-NEXT: push {r7, lr}
; V6M-NEXT: sub sp, #24
; V6M-NEXT: movs r0, #0
; V6M-NEXT: str r0, [sp, #4]
; V6M-NEXT: mrs r12, apsr
; V6M-NEXT: movs r0, :upper8_15:__stack_chk_guard
; V6M-NEXT: lsls r0, r0, #8
; V6M-NEXT: adds r0, :upper0_7:__stack_chk_guard
; V6M-NEXT: lsls r0, r0, #8
; V6M-NEXT: adds r0, :lower8_15:__stack_chk_guard
; V6M-NEXT: lsls r0, r0, #8
; V6M-NEXT: adds r0, :lower0_7:__stack_chk_guard
; V6M-NEXT: msr apsr, r12
; V6M-NEXT: ldr r0, [r0]
; V6M-NEXT: str r0, [sp, #20]
; V6M-NEXT: add r0, sp, #8
; V6M-NEXT: ldrb r0, [r0]
; V6M-NEXT: ldr r1, [sp, #20]
; V6M-NEXT: mrs r12, apsr
; V6M-NEXT: movs r2, :upper8_15:__stack_chk_guard
; V6M-NEXT: lsls r2, r2, #8
; V6M-NEXT: adds r2, :upper0_7:__stack_chk_guard
; V6M-NEXT: lsls r2, r2, #8
; V6M-NEXT: adds r2, :lower8_15:__stack_chk_guard
; V6M-NEXT: lsls r2, r2, #8
; V6M-NEXT: adds r2, :lower0_7:__stack_chk_guard
; V6M-NEXT: msr apsr, r12
; V6M-NEXT: ldr r2, [r2]
; V6M-NEXT: cmp r2, r1
; V6M-NEXT: bne .LBB0_2
; V6M-NEXT: @ %bb.1: @ %entry
; V6M-NEXT: add sp, #24
; V6M-NEXT: pop {r7, pc}
; V6M-NEXT: .LBB0_2: @ %entry
; V6M-NEXT: bl __stack_chk_fail
;
; V8MBASE-LABEL: main:
; V8MBASE: @ %bb.0: @ %entry
; V8MBASE-NEXT: push {r7, lr}
; V8MBASE-NEXT: sub sp, #24
; V8MBASE-NEXT: movs r0, #0
; V8MBASE-NEXT: str r0, [sp, #4]
; V8MBASE-NEXT: movw r0, :lower16:__stack_chk_guard
; V8MBASE-NEXT: movt r0, :upper16:__stack_chk_guard
; V8MBASE-NEXT: ldr r0, [r0]
; V8MBASE-NEXT: str r0, [sp, #20]
; V8MBASE-NEXT: add r0, sp, #8
; V8MBASE-NEXT: ldrb r0, [r0]
; V8MBASE-NEXT: ldr r1, [sp, #20]
; V8MBASE-NEXT: movw r2, :lower16:__stack_chk_guard
; V8MBASE-NEXT: movt r2, :upper16:__stack_chk_guard
; V8MBASE-NEXT: ldr r2, [r2]
; V8MBASE-NEXT: cmp r2, r1
; V8MBASE-NEXT: bne .LBB0_2
; V8MBASE-NEXT: @ %bb.1: @ %entry
; V8MBASE-NEXT: add sp, #24
; V8MBASE-NEXT: pop {r7, pc}
; V8MBASE-NEXT: .LBB0_2: @ %entry
; V8MBASE-NEXT: bl __stack_chk_fail
entry:
%retval = alloca i32, align 4
%buffer = alloca [9 x i8], align 1
store i32 0, ptr %retval, align 4
%arrayidx = getelementptr inbounds [9 x i8], ptr %buffer, i32 0, i32 0
%0 = load i8, ptr %arrayidx, align 1
%conv = zext i8 %0 to i32
ret i32 %conv
}
@aa = hidden local_unnamed_addr global i32 0, align 4
@bb = hidden local_unnamed_addr global i64 0, align 8
define dso_local i64 @cc() local_unnamed_addr #1 {
; CHECK-LABEL: cc:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: push {r4, r5, r7, lr}
; CHECK-NEXT: sub sp, #8
; CHECK-NEXT: movs r0, #1
; CHECK-NEXT: lsls r3, r0, #31
; CHECK-NEXT: ldr r0, .LCPI1_0
; CHECK-NEXT: ldr r2, [r0]
; CHECK-NEXT: asrs r4, r2, #31
; CHECK-NEXT: eors r3, r4
; CHECK-NEXT: ldr r0, .LCPI1_1
; CHECK-NEXT: ldm r0!, {r1, r5}
; CHECK-NEXT: subs r0, r2, r1
; CHECK-NEXT: sbcs r3, r5
; CHECK-NEXT: subs r0, r2, r1
; CHECK-NEXT: ldr r1, .LCPI1_2
; CHECK-NEXT: ldr r1, [r1]
; CHECK-NEXT: str r1, [sp, #4]
; CHECK-NEXT: mov r1, r4
; CHECK-NEXT: sbcs r1, r5
; CHECK-NEXT: ands r3, r4
; CHECK-NEXT: ands r2, r0
; CHECK-NEXT: mov r4, r2
; CHECK-NEXT: orrs r4, r3
; CHECK-NEXT: cmp r4, #0
; CHECK-NEXT: beq .LBB1_2
; CHECK-NEXT: @ %bb.1: @ %entry
; CHECK-NEXT: mov r1, r3
; CHECK-NEXT: .LBB1_2: @ %entry
; CHECK-NEXT: beq .LBB1_4
; CHECK-NEXT: @ %bb.3: @ %entry
; CHECK-NEXT: mov r0, r2
; CHECK-NEXT: .LBB1_4: @ %entry
; CHECK-NEXT: ldr r2, [sp, #4]
; CHECK-NEXT: ldr r3, .LCPI1_2
; CHECK-NEXT: ldr r3, [r3]
; CHECK-NEXT: cmp r3, r2
; CHECK-NEXT: bne .LBB1_6
; CHECK-NEXT: @ %bb.5: @ %entry
; CHECK-NEXT: add sp, #8
; CHECK-NEXT: pop {r4, r5, r7, pc}
; CHECK-NEXT: .LBB1_6: @ %entry
; CHECK-NEXT: bl __stack_chk_fail
; CHECK-NEXT: .p2align 2
; CHECK-NEXT: @ %bb.7:
; CHECK-NEXT: .LCPI1_0:
; CHECK-NEXT: .long aa
; CHECK-NEXT: .LCPI1_1:
; CHECK-NEXT: .long bb
; CHECK-NEXT: .LCPI1_2:
; CHECK-NEXT: .long __stack_chk_guard
;
; V6M-LABEL: cc:
; V6M: @ %bb.0: @ %entry
; V6M-NEXT: push {r4, r5, r7, lr}
; V6M-NEXT: sub sp, #8
; V6M-NEXT: movs r0, #1
; V6M-NEXT: lsls r3, r0, #31
; V6M-NEXT: movs r0, :upper8_15:aa
; V6M-NEXT: lsls r0, r0, #8
; V6M-NEXT: adds r0, :upper0_7:aa
; V6M-NEXT: lsls r0, r0, #8
; V6M-NEXT: adds r0, :lower8_15:aa
; V6M-NEXT: lsls r0, r0, #8
; V6M-NEXT: adds r0, :lower0_7:aa
; V6M-NEXT: ldr r2, [r0]
; V6M-NEXT: asrs r4, r2, #31
; V6M-NEXT: eors r3, r4
; V6M-NEXT: movs r0, :upper8_15:bb
; V6M-NEXT: lsls r0, r0, #8
; V6M-NEXT: adds r0, :upper0_7:bb
; V6M-NEXT: lsls r0, r0, #8
; V6M-NEXT: adds r0, :lower8_15:bb
; V6M-NEXT: lsls r0, r0, #8
; V6M-NEXT: adds r0, :lower0_7:bb
; V6M-NEXT: ldm r0!, {r1, r5}
; V6M-NEXT: subs r0, r2, r1
; V6M-NEXT: sbcs r3, r5
; V6M-NEXT: subs r0, r2, r1
; V6M-NEXT: mrs r12, apsr
; V6M-NEXT: movs r1, :upper8_15:__stack_chk_guard
; V6M-NEXT: lsls r1, r1, #8
; V6M-NEXT: adds r1, :upper0_7:__stack_chk_guard
; V6M-NEXT: lsls r1, r1, #8
; V6M-NEXT: adds r1, :lower8_15:__stack_chk_guard
; V6M-NEXT: lsls r1, r1, #8
; V6M-NEXT: adds r1, :lower0_7:__stack_chk_guard
; V6M-NEXT: msr apsr, r12
; V6M-NEXT: ldr r1, [r1]
; V6M-NEXT: str r1, [sp, #4]
; V6M-NEXT: mov r1, r4
; V6M-NEXT: sbcs r1, r5
; V6M-NEXT: ands r3, r4
; V6M-NEXT: ands r2, r0
; V6M-NEXT: mov r4, r2
; V6M-NEXT: orrs r4, r3
; V6M-NEXT: cmp r4, #0
; V6M-NEXT: beq .LBB1_2
; V6M-NEXT: @ %bb.1: @ %entry
; V6M-NEXT: mov r1, r3
; V6M-NEXT: .LBB1_2: @ %entry
; V6M-NEXT: beq .LBB1_4
; V6M-NEXT: @ %bb.3: @ %entry
; V6M-NEXT: mov r0, r2
; V6M-NEXT: .LBB1_4: @ %entry
; V6M-NEXT: ldr r2, [sp, #4]
; V6M-NEXT: mrs r12, apsr
; V6M-NEXT: movs r3, :upper8_15:__stack_chk_guard
; V6M-NEXT: lsls r3, r3, #8
; V6M-NEXT: adds r3, :upper0_7:__stack_chk_guard
; V6M-NEXT: lsls r3, r3, #8
; V6M-NEXT: adds r3, :lower8_15:__stack_chk_guard
; V6M-NEXT: lsls r3, r3, #8
; V6M-NEXT: adds r3, :lower0_7:__stack_chk_guard
; V6M-NEXT: msr apsr, r12
; V6M-NEXT: ldr r3, [r3]
; V6M-NEXT: cmp r3, r2
; V6M-NEXT: bne .LBB1_6
; V6M-NEXT: @ %bb.5: @ %entry
; V6M-NEXT: add sp, #8
; V6M-NEXT: pop {r4, r5, r7, pc}
; V6M-NEXT: .LBB1_6: @ %entry
; V6M-NEXT: bl __stack_chk_fail
;
; V8MBASE-LABEL: cc:
; V8MBASE: @ %bb.0: @ %entry
; V8MBASE-NEXT: push {r4, r5, r7, lr}
; V8MBASE-NEXT: sub sp, #8
; V8MBASE-NEXT: movs r0, #1
; V8MBASE-NEXT: lsls r3, r0, #31
; V8MBASE-NEXT: movw r0, :lower16:aa
; V8MBASE-NEXT: movt r0, :upper16:aa
; V8MBASE-NEXT: ldr r2, [r0]
; V8MBASE-NEXT: asrs r4, r2, #31
; V8MBASE-NEXT: eors r3, r4
; V8MBASE-NEXT: movw r0, :lower16:bb
; V8MBASE-NEXT: movt r0, :upper16:bb
; V8MBASE-NEXT: ldm r0!, {r1, r5}
; V8MBASE-NEXT: subs r0, r2, r1
; V8MBASE-NEXT: sbcs r3, r5
; V8MBASE-NEXT: subs r0, r2, r1
; V8MBASE-NEXT: movw r1, :lower16:__stack_chk_guard
; V8MBASE-NEXT: movt r1, :upper16:__stack_chk_guard
; V8MBASE-NEXT: ldr r1, [r1]
; V8MBASE-NEXT: str r1, [sp, #4]
; V8MBASE-NEXT: mov r1, r4
; V8MBASE-NEXT: sbcs r1, r5
; V8MBASE-NEXT: ands r3, r4
; V8MBASE-NEXT: ands r2, r0
; V8MBASE-NEXT: mov r4, r2
; V8MBASE-NEXT: orrs r4, r3
; V8MBASE-NEXT: cmp r4, #0
; V8MBASE-NEXT: beq .LBB1_2
; V8MBASE-NEXT: @ %bb.1: @ %entry
; V8MBASE-NEXT: mov r1, r3
; V8MBASE-NEXT: .LBB1_2: @ %entry
; V8MBASE-NEXT: beq .LBB1_4
; V8MBASE-NEXT: @ %bb.3: @ %entry
; V8MBASE-NEXT: mov r0, r2
; V8MBASE-NEXT: .LBB1_4: @ %entry
; V8MBASE-NEXT: ldr r2, [sp, #4]
; V8MBASE-NEXT: movw r3, :lower16:__stack_chk_guard
; V8MBASE-NEXT: movt r3, :upper16:__stack_chk_guard
; V8MBASE-NEXT: ldr r3, [r3]
; V8MBASE-NEXT: cmp r3, r2
; V8MBASE-NEXT: bne .LBB1_6
; V8MBASE-NEXT: @ %bb.5: @ %entry
; V8MBASE-NEXT: add sp, #8
; V8MBASE-NEXT: pop {r4, r5, r7, pc}
; V8MBASE-NEXT: .LBB1_6: @ %entry
; V8MBASE-NEXT: bl __stack_chk_fail
entry:
%0 = load i32, ptr @aa, align 4
%conv = sext i32 %0 to i64
%xor = xor i64 %conv, -9223372036854775808
%1 = load i64, ptr @bb, align 8
%sub = sub nsw i64 %xor, %1
%and = and i64 %sub, %conv
%tobool.not = icmp eq i64 %and, 0
%sub3 = sub nsw i64 %conv, %1
%spec.select = select i1 %tobool.not, i64 %sub3, i64 %and
ret i64 %spec.select
}
attributes #0 = { ssp "stack-protector-buffer-size"="8" }
attributes #1 = { sspreq }
|
