; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=arm-eabi -mcpu=cortex-a9 < %s | FileCheck %s
define i8 @atomicrmw_uinc_wrap_i8(ptr %ptr, i8 %val) {
; CHECK-LABEL: atomicrmw_uinc_wrap_i8:
; CHECK: @ %bb.0:
; CHECK-NEXT: uxtb r12, r1
; CHECK-NEXT: dmb ish
; CHECK-NEXT: .LBB0_1: @ %atomicrmw.start
; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: ldrexb r1, [r0]
; CHECK-NEXT: cmp r1, r12
; CHECK-NEXT: add r3, r1, #1
; CHECK-NEXT: movwhs r3, #0
; CHECK-NEXT: strexb r2, r3, [r0]
; CHECK-NEXT: cmp r2, #0
; CHECK-NEXT: bne .LBB0_1
; CHECK-NEXT: @ %bb.2: @ %atomicrmw.end
; CHECK-NEXT: mov r0, r1
; CHECK-NEXT: dmb ish
; CHECK-NEXT: bx lr
%result = atomicrmw uinc_wrap ptr %ptr, i8 %val seq_cst
ret i8 %result
}
define i16 @atomicrmw_uinc_wrap_i16(ptr %ptr, i16 %val) {
; CHECK-LABEL: atomicrmw_uinc_wrap_i16:
; CHECK: @ %bb.0:
; CHECK-NEXT: uxth r12, r1
; CHECK-NEXT: dmb ish
; CHECK-NEXT: .LBB1_1: @ %atomicrmw.start
; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: ldrexh r1, [r0]
; CHECK-NEXT: cmp r1, r12
; CHECK-NEXT: add r3, r1, #1
; CHECK-NEXT: movwhs r3, #0
; CHECK-NEXT: strexh r2, r3, [r0]
; CHECK-NEXT: cmp r2, #0
; CHECK-NEXT: bne .LBB1_1
; CHECK-NEXT: @ %bb.2: @ %atomicrmw.end
; CHECK-NEXT: mov r0, r1
; CHECK-NEXT: dmb ish
; CHECK-NEXT: bx lr
%result = atomicrmw uinc_wrap ptr %ptr, i16 %val seq_cst
ret i16 %result
}
define i32 @atomicrmw_uinc_wrap_i32(ptr %ptr, i32 %val) {
; CHECK-LABEL: atomicrmw_uinc_wrap_i32:
; CHECK: @ %bb.0:
; CHECK-NEXT: dmb ish
; CHECK-NEXT: .LBB2_1: @ %atomicrmw.start
; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: ldrex r2, [r0]
; CHECK-NEXT: cmp r2, r1
; CHECK-NEXT: add r12, r2, #1
; CHECK-NEXT: movwhs r12, #0
; CHECK-NEXT: strex r3, r12, [r0]
; CHECK-NEXT: cmp r3, #0
; CHECK-NEXT: bne .LBB2_1
; CHECK-NEXT: @ %bb.2: @ %atomicrmw.end
; CHECK-NEXT: mov r0, r2
; CHECK-NEXT: dmb ish
; CHECK-NEXT: bx lr
%result = atomicrmw uinc_wrap ptr %ptr, i32 %val seq_cst
ret i32 %result
}
define i64 @atomicrmw_uinc_wrap_i64(ptr %ptr, i64 %val) {
; CHECK-LABEL: atomicrmw_uinc_wrap_i64:
; CHECK: @ %bb.0:
; CHECK-NEXT: .save {r4, r5, r6, r7, r11, lr}
; CHECK-NEXT: push {r4, r5, r6, r7, r11, lr}
; CHECK-NEXT: dmb ish
; CHECK-NEXT: .LBB3_1: @ %atomicrmw.start
; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: ldrexd r4, r5, [r0]
; CHECK-NEXT: adds r6, r4, #1
; CHECK-NEXT: adc r7, r5, #0
; CHECK-NEXT: subs r1, r4, r2
; CHECK-NEXT: sbcs r1, r5, r3
; CHECK-NEXT: mov r1, #0
; CHECK-NEXT: movwhs r1, #1
; CHECK-NEXT: cmp r1, #0
; CHECK-NEXT: movwne r7, #0
; CHECK-NEXT: movwne r6, #0
; CHECK-NEXT: strexd r1, r6, r7, [r0]
; CHECK-NEXT: cmp r1, #0
; CHECK-NEXT: bne .LBB3_1
; CHECK-NEXT: @ %bb.2: @ %atomicrmw.end
; CHECK-NEXT: mov r0, r4
; CHECK-NEXT: mov r1, r5
; CHECK-NEXT: dmb ish
; CHECK-NEXT: pop {r4, r5, r6, r7, r11, pc}
%result = atomicrmw uinc_wrap ptr %ptr, i64 %val seq_cst
ret i64 %result
}
define i8 @atomicrmw_udec_wrap_i8(ptr %ptr, i8 %val) {
; CHECK-LABEL: atomicrmw_udec_wrap_i8:
; CHECK: @ %bb.0:
; CHECK-NEXT: dmb ish
; CHECK-NEXT: .LBB4_1: @ %atomicrmw.start
; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: uxtb r3, r1
; CHECK-NEXT: ldrexb r12, [r0]
; CHECK-NEXT: cmp r12, r3
; CHECK-NEXT: mov r3, r1
; CHECK-NEXT: subls r3, r12, #1
; CHECK-NEXT: cmp r12, #0
; CHECK-NEXT: moveq r3, r1
; CHECK-NEXT: strexb r2, r3, [r0]
; CHECK-NEXT: cmp r2, #0
; CHECK-NEXT: bne .LBB4_1
; CHECK-NEXT: @ %bb.2: @ %atomicrmw.end
; CHECK-NEXT: mov r0, r12
; CHECK-NEXT: dmb ish
; CHECK-NEXT: bx lr
%result = atomicrmw udec_wrap ptr %ptr, i8 %val seq_cst
ret i8 %result
}
define i16 @atomicrmw_udec_wrap_i16(ptr %ptr, i16 %val) {
; CHECK-LABEL: atomicrmw_udec_wrap_i16:
; CHECK: @ %bb.0:
; CHECK-NEXT: dmb ish
; CHECK-NEXT: .LBB5_1: @ %atomicrmw.start
; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: uxth r3, r1
; CHECK-NEXT: ldrexh r12, [r0]
; CHECK-NEXT: cmp r12, r3
; CHECK-NEXT: mov r3, r1
; CHECK-NEXT: subls r3, r12, #1
; CHECK-NEXT: cmp r12, #0
; CHECK-NEXT: moveq r3, r1
; CHECK-NEXT: strexh r2, r3, [r0]
; CHECK-NEXT: cmp r2, #0
; CHECK-NEXT: bne .LBB5_1
; CHECK-NEXT: @ %bb.2: @ %atomicrmw.end
; CHECK-NEXT: mov r0, r12
; CHECK-NEXT: dmb ish
; CHECK-NEXT: bx lr
%result = atomicrmw udec_wrap ptr %ptr, i16 %val seq_cst
ret i16 %result
}
define i32 @atomicrmw_udec_wrap_i32(ptr %ptr, i32 %val) {
; CHECK-LABEL: atomicrmw_udec_wrap_i32:
; CHECK: @ %bb.0:
; CHECK-NEXT: dmb ish
; CHECK-NEXT: .LBB6_1: @ %atomicrmw.start
; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: ldrex r12, [r0]
; CHECK-NEXT: mov r3, r1
; CHECK-NEXT: cmp r12, r1
; CHECK-NEXT: subls r3, r12, #1
; CHECK-NEXT: cmp r12, #0
; CHECK-NEXT: moveq r3, r1
; CHECK-NEXT: strex r2, r3, [r0]
; CHECK-NEXT: cmp r2, #0
; CHECK-NEXT: bne .LBB6_1
; CHECK-NEXT: @ %bb.2: @ %atomicrmw.end
; CHECK-NEXT: mov r0, r12
; CHECK-NEXT: dmb ish
; CHECK-NEXT: bx lr
%result = atomicrmw udec_wrap ptr %ptr, i32 %val seq_cst
ret i32 %result
}
define i64 @atomicrmw_udec_wrap_i64(ptr %ptr, i64 %val) {
; CHECK-LABEL: atomicrmw_udec_wrap_i64:
; CHECK: @ %bb.0:
; CHECK-NEXT: .save {r4, r5, r6, r7, r11, lr}
; CHECK-NEXT: push {r4, r5, r6, r7, r11, lr}
; CHECK-NEXT: dmb ish
; CHECK-NEXT: .LBB7_1: @ %atomicrmw.start
; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: ldrexd r4, r5, [r0]
; CHECK-NEXT: mov r12, #0
; CHECK-NEXT: subs r1, r2, r4
; CHECK-NEXT: sbcs r1, r3, r5
; CHECK-NEXT: orr r1, r4, r5
; CHECK-NEXT: clz r1, r1
; CHECK-NEXT: movwlo r12, #1
; CHECK-NEXT: lsr r1, r1, #5
; CHECK-NEXT: subs r6, r4, #1
; CHECK-NEXT: sbc r7, r5, #0
; CHECK-NEXT: orr r1, r1, r12
; CHECK-NEXT: cmp r1, #0
; CHECK-NEXT: movne r7, r3
; CHECK-NEXT: movne r6, r2
; CHECK-NEXT: strexd r1, r6, r7, [r0]
; CHECK-NEXT: cmp r1, #0
; CHECK-NEXT: bne .LBB7_1
; CHECK-NEXT: @ %bb.2: @ %atomicrmw.end
; CHECK-NEXT: mov r0, r4
; CHECK-NEXT: mov r1, r5
; CHECK-NEXT: dmb ish
; CHECK-NEXT: pop {r4, r5, r6, r7, r11, pc}
%result = atomicrmw udec_wrap ptr %ptr, i64 %val seq_cst
ret i64 %result
}
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