1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=armv7-apple-ios -verify-machineinstrs | FileCheck %s -check-prefix=ARM 2*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=armv7-apple-ios -O0 | FileCheck %s -check-prefix=ARM 3*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=thumbv7-apple-ios -verify-machineinstrs | FileCheck %s -check-prefix=THUMBTWO 4*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=thumbv6-apple-ios | FileCheck %s -check-prefix=THUMBONE 5*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=armv4-apple-ios | FileCheck %s -check-prefix=ARMV4 6*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=armv6-apple-ios | FileCheck %s -check-prefix=ARMV6 7*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=thumbv7m-apple-ios | FileCheck %s -check-prefix=THUMBM 8*9880d681SAndroid Build Coastguard Worker 9*9880d681SAndroid Build Coastguard Workerdefine void @test1(i32* %ptr, i32 %val1) { 10*9880d681SAndroid Build Coastguard Worker; ARM-LABEL: test1 11*9880d681SAndroid Build Coastguard Worker; ARM: dmb {{ish$}} 12*9880d681SAndroid Build Coastguard Worker; ARM-NEXT: str 13*9880d681SAndroid Build Coastguard Worker; ARM-NEXT: dmb {{ish$}} 14*9880d681SAndroid Build Coastguard Worker; THUMBONE-LABEL: test1 15*9880d681SAndroid Build Coastguard Worker; THUMBONE: __sync_lock_test_and_set_4 16*9880d681SAndroid Build Coastguard Worker; THUMBTWO-LABEL: test1 17*9880d681SAndroid Build Coastguard Worker; THUMBTWO: dmb {{ish$}} 18*9880d681SAndroid Build Coastguard Worker; THUMBTWO-NEXT: str 19*9880d681SAndroid Build Coastguard Worker; THUMBTWO-NEXT: dmb {{ish$}} 20*9880d681SAndroid Build Coastguard Worker; ARMV6-LABEL: test1 21*9880d681SAndroid Build Coastguard Worker; ARMV6: mcr p15, #0, {{r[0-9]*}}, c7, c10, #5 22*9880d681SAndroid Build Coastguard Worker; ARMV6: str 23*9880d681SAndroid Build Coastguard Worker; ARMV6: mcr p15, #0, {{r[0-9]*}}, c7, c10, #5 24*9880d681SAndroid Build Coastguard Worker; THUMBM-LABEL: test1 25*9880d681SAndroid Build Coastguard Worker; THUMBM: dmb sy 26*9880d681SAndroid Build Coastguard Worker; THUMBM: str 27*9880d681SAndroid Build Coastguard Worker; THUMBM: dmb sy 28*9880d681SAndroid Build Coastguard Worker store atomic i32 %val1, i32* %ptr seq_cst, align 4 29*9880d681SAndroid Build Coastguard Worker ret void 30*9880d681SAndroid Build Coastguard Worker} 31*9880d681SAndroid Build Coastguard Worker 32*9880d681SAndroid Build Coastguard Workerdefine i32 @test2(i32* %ptr) { 33*9880d681SAndroid Build Coastguard Worker; ARM-LABEL: test2 34*9880d681SAndroid Build Coastguard Worker; ARM: ldr 35*9880d681SAndroid Build Coastguard Worker; ARM-NEXT: dmb {{ish$}} 36*9880d681SAndroid Build Coastguard Worker; THUMBONE-LABEL: test2 37*9880d681SAndroid Build Coastguard Worker; THUMBONE: __sync_val_compare_and_swap_4 38*9880d681SAndroid Build Coastguard Worker; THUMBTWO-LABEL: test2 39*9880d681SAndroid Build Coastguard Worker; THUMBTWO: ldr 40*9880d681SAndroid Build Coastguard Worker; THUMBTWO-NEXT: dmb {{ish$}} 41*9880d681SAndroid Build Coastguard Worker; ARMV6-LABEL: test2 42*9880d681SAndroid Build Coastguard Worker; ARMV6: ldr 43*9880d681SAndroid Build Coastguard Worker; ARMV6: mcr p15, #0, {{r[0-9]*}}, c7, c10, #5 44*9880d681SAndroid Build Coastguard Worker; THUMBM-LABEL: test2 45*9880d681SAndroid Build Coastguard Worker; THUMBM: ldr 46*9880d681SAndroid Build Coastguard Worker; THUMBM: dmb sy 47*9880d681SAndroid Build Coastguard Worker %val = load atomic i32, i32* %ptr seq_cst, align 4 48*9880d681SAndroid Build Coastguard Worker ret i32 %val 49*9880d681SAndroid Build Coastguard Worker} 50*9880d681SAndroid Build Coastguard Worker 51*9880d681SAndroid Build Coastguard Workerdefine void @test3(i8* %ptr1, i8* %ptr2) { 52*9880d681SAndroid Build Coastguard Worker; ARM-LABEL: test3 53*9880d681SAndroid Build Coastguard Worker; ARM-NOT: dmb 54*9880d681SAndroid Build Coastguard Worker; ARM: ldrb 55*9880d681SAndroid Build Coastguard Worker; ARM-NOT: dmb 56*9880d681SAndroid Build Coastguard Worker; ARM: strb 57*9880d681SAndroid Build Coastguard Worker; ARM-NOT: dmb 58*9880d681SAndroid Build Coastguard Worker; ARM: bx lr 59*9880d681SAndroid Build Coastguard Worker 60*9880d681SAndroid Build Coastguard Worker; THUMBTWO-LABEL: test3 61*9880d681SAndroid Build Coastguard Worker; THUMBTWO-NOT: dmb 62*9880d681SAndroid Build Coastguard Worker; THUMBTWO: ldrb 63*9880d681SAndroid Build Coastguard Worker; THUMBTWO-NOT: dmb 64*9880d681SAndroid Build Coastguard Worker; THUMBTWO: strb 65*9880d681SAndroid Build Coastguard Worker; THUMBTWO-NOT: dmb 66*9880d681SAndroid Build Coastguard Worker; THUMBTWO: bx lr 67*9880d681SAndroid Build Coastguard Worker 68*9880d681SAndroid Build Coastguard Worker; THUMBONE-LABEL: test3 69*9880d681SAndroid Build Coastguard Worker; THUMBONE-NOT: dmb 70*9880d681SAndroid Build Coastguard Worker; THUMBONE: ldrb 71*9880d681SAndroid Build Coastguard Worker; THUMBONE-NOT: dmb 72*9880d681SAndroid Build Coastguard Worker; THUMBONE: strb 73*9880d681SAndroid Build Coastguard Worker; THUMBONE-NOT: dmb 74*9880d681SAndroid Build Coastguard Worker 75*9880d681SAndroid Build Coastguard Worker; ARMV6-LABEL: test3 76*9880d681SAndroid Build Coastguard Worker; ARMV6-NOT: mcr 77*9880d681SAndroid Build Coastguard Worker; THUMBM-LABEL: test3 78*9880d681SAndroid Build Coastguard Worker; THUMBM-NOT: dmb sy 79*9880d681SAndroid Build Coastguard Worker %val = load atomic i8, i8* %ptr1 unordered, align 1 80*9880d681SAndroid Build Coastguard Worker store atomic i8 %val, i8* %ptr2 unordered, align 1 81*9880d681SAndroid Build Coastguard Worker ret void 82*9880d681SAndroid Build Coastguard Worker} 83*9880d681SAndroid Build Coastguard Worker 84*9880d681SAndroid Build Coastguard Workerdefine void @test4(i8* %ptr1, i8* %ptr2) { 85*9880d681SAndroid Build Coastguard Worker; THUMBONE-LABEL: test4 86*9880d681SAndroid Build Coastguard Worker; THUMBONE: ___sync_val_compare_and_swap_1 87*9880d681SAndroid Build Coastguard Worker; THUMBONE: ___sync_lock_test_and_set_1 88*9880d681SAndroid Build Coastguard Worker; ARMV6-LABEL: test4 89*9880d681SAndroid Build Coastguard Worker; THUMBM-LABEL: test4 90*9880d681SAndroid Build Coastguard Worker %val = load atomic i8, i8* %ptr1 seq_cst, align 1 91*9880d681SAndroid Build Coastguard Worker store atomic i8 %val, i8* %ptr2 seq_cst, align 1 92*9880d681SAndroid Build Coastguard Worker ret void 93*9880d681SAndroid Build Coastguard Worker} 94*9880d681SAndroid Build Coastguard Worker 95*9880d681SAndroid Build Coastguard Workerdefine i64 @test_old_load_64bit(i64* %p) { 96*9880d681SAndroid Build Coastguard Worker; ARMV4-LABEL: test_old_load_64bit 97*9880d681SAndroid Build Coastguard Worker; ARMV4: ___sync_val_compare_and_swap_8 98*9880d681SAndroid Build Coastguard Worker %1 = load atomic i64, i64* %p seq_cst, align 8 99*9880d681SAndroid Build Coastguard Worker ret i64 %1 100*9880d681SAndroid Build Coastguard Worker} 101*9880d681SAndroid Build Coastguard Worker 102*9880d681SAndroid Build Coastguard Workerdefine void @test_old_store_64bit(i64* %p, i64 %v) { 103*9880d681SAndroid Build Coastguard Worker; ARMV4-LABEL: test_old_store_64bit 104*9880d681SAndroid Build Coastguard Worker; ARMV4: ___sync_lock_test_and_set_8 105*9880d681SAndroid Build Coastguard Worker store atomic i64 %v, i64* %p seq_cst, align 8 106*9880d681SAndroid Build Coastguard Worker ret void 107*9880d681SAndroid Build Coastguard Worker} 108