1; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64-none-linux-gnu | FileCheck %s 2; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64-none-linux-gnu -mattr=-neon | FileCheck --check-prefix=CHECK-NONEON %s 3; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64-none-linux-gnu -mattr=-fp-armv8 | FileCheck --check-prefix=CHECK-NOFP %s 4; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64_be-none-linux-gnu | FileCheck --check-prefix=CHECK-BE %s 5 6%myStruct = type { i64 , i8, i32 } 7 8@var8 = dso_local global i8 0 9@var8_2 = dso_local global i8 0 10@var32 = dso_local global i32 0 11@var64 = dso_local global i64 0 12@var128 = dso_local global i128 0 13@varfloat = dso_local global float 0.0 14@varfloat_2 = dso_local global float 0.0 15@vardouble = dso_local global double 0.0 16@varstruct = dso_local global %myStruct zeroinitializer 17@varsmallstruct = dso_local global [2 x i64] zeroinitializer 18 19declare void @take_i8s(i8 %val1, i8 %val2) 20declare void @take_floats(float %val1, float %val2) 21 22define dso_local void @simple_args() { 23; CHECK-LABEL: simple_args: 24 %char1 = load i8, ptr @var8 25 %char2 = load i8, ptr @var8_2 26 call void @take_i8s(i8 %char1, i8 %char2) 27; CHECK-DAG: ldrb w0, [{{x[0-9]+}}, {{#?}}:lo12:var8] 28; CHECK-DAG: ldrb w1, [{{x[0-9]+}}, {{#?}}:lo12:var8_2] 29; CHECK: bl take_i8s 30 31 %float1 = load float, ptr @varfloat 32 %float2 = load float, ptr @varfloat_2 33 call void @take_floats(float %float1, float %float2) 34; CHECK-DAG: ldr s1, [{{x[0-9]+}}, {{#?}}:lo12:varfloat_2] 35; CHECK-DAG: ldr s0, [{{x[0-9]+}}, {{#?}}:lo12:varfloat] 36; CHECK: bl take_floats 37; CHECK-NOFP-NOT: ldr s1, 38; CHECK-NOFP-NOT: ldr s0, 39 40 ret void 41} 42 43declare i32 @return_int() 44declare double @return_double() 45declare [2 x i64] @return_smallstruct() 46declare void @return_large_struct(ptr sret(%myStruct) %retval) 47 48define dso_local void @simple_rets() { 49; CHECK-LABEL: simple_rets: 50 51 %int = call i32 @return_int() 52 store i32 %int, ptr @var32 53; CHECK: bl return_int 54; CHECK: str w0, [{{x[0-9]+}}, {{#?}}:lo12:var32] 55 56 %dbl = call double @return_double() 57 store double %dbl, ptr @vardouble 58; CHECK: bl return_double 59; CHECK: str d0, [{{x[0-9]+}}, {{#?}}:lo12:vardouble] 60; CHECK-NOFP-NOT: str d0, 61 62 %arr = call [2 x i64] @return_smallstruct() 63 store [2 x i64] %arr, ptr @varsmallstruct 64; CHECK: bl return_smallstruct 65; CHECK: add x[[VARSMALLSTRUCT:[0-9]+]], {{x[0-9]+}}, :lo12:varsmallstruct 66; CHECK: stp x0, x1, [x[[VARSMALLSTRUCT]]] 67 68 call void @return_large_struct(ptr sret(%myStruct) @varstruct) 69; CHECK: add x8, {{x[0-9]+}}, {{#?}}:lo12:varstruct 70; CHECK: bl return_large_struct 71 72 ret void 73} 74 75 76declare i32 @struct_on_stack(i8 %var0, i16 %var1, i32 %var2, i64 %var3, i128 %var45, 77 ptr %var6, ptr byval(%myStruct) %struct, i32 %stacked, 78 double %notstacked) 79declare void @stacked_fpu(float %var0, double %var1, float %var2, float %var3, 80 float %var4, float %var5, float %var6, float %var7, 81 float %var8) 82 83define dso_local void @check_stack_args() { 84; CHECK-LABEL: check_stack_args: 85 call i32 @struct_on_stack(i8 0, i16 12, i32 42, i64 99, i128 1, 86 ptr @var32, ptr byval(%myStruct) @varstruct, 87 i32 999, double 1.0) 88 ; Want to check that the final double is passed in registers and 89 ; that varstruct is passed on the stack. Rather dependent on how a 90 ; memcpy gets created, but the following works for now. 91 92; CHECK-DAG: str {{q[0-9]+}}, [sp] 93; CHECK-DAG: fmov d0, #1.0 94 95; CHECK-NONEON-DAG: str {{q[0-9]+}}, [sp] 96; CHECK-NONEON-DAG: fmov d0, #1.0 97 98; CHECK: bl struct_on_stack 99; CHECK-NOFP-NOT: fmov 100 101 call void @stacked_fpu(float -1.0, double 1.0, float 4.0, float 2.0, 102 float -2.0, float -8.0, float 16.0, float 1.0, 103 float 64.0) 104 105; CHECK: mov [[SIXTY_FOUR:w[0-9]+]], #1115684864 106; CHECK: str [[SIXTY_FOUR]], [sp] 107 108; CHECK-NONEON: mov [[SIXTY_FOUR:w[0-9]+]], #1115684864 109; CHECK-NONEON: str [[SIXTY_FOUR]], [sp] 110 111; CHECK: bl stacked_fpu 112 ret void 113} 114 115 116declare void @check_i128_stackalign(i32 %val0, i32 %val1, i32 %val2, i32 %val3, 117 i32 %val4, i32 %val5, i32 %val6, i32 %val7, 118 i32 %stack1, i128 %stack2) 119 120declare void @check_i128_regalign(i32 %val0, i128 %val1) 121 122 123define dso_local void @check_i128_align() { 124; CHECK-LABEL: check_i128_align: 125 %val = load i128, ptr @var128 126 call void @check_i128_stackalign(i32 0, i32 1, i32 2, i32 3, 127 i32 4, i32 5, i32 6, i32 7, 128 i32 42, i128 %val) 129; CHECK: add x[[VAR128:[0-9]+]], {{x[0-9]+}}, :lo12:var128 130; CHECK: ldp [[I128LO:x[0-9]+]], [[I128HI:x[0-9]+]], [x[[VAR128]]] 131; CHECK: stp [[I128HI]], {{x[0-9]+}}, [sp, #24] 132 133; CHECK-NONEON: add x[[VAR128:[0-9]+]], {{x[0-9]+}}, :lo12:var128 134; CHECK-NONEON: ldp [[I128LO:x[0-9]+]], [[I128HI:x[0-9]+]], [x[[VAR128]]] 135; CHECK-NONEON: stp [[I128HI]], {{x[0-9]+}}, [sp, #24] 136; CHECK: bl check_i128_stackalign 137 138 call void @check_i128_regalign(i32 0, i128 42) 139; CHECK-NOT: mov x1 140; CHECK-LE: mov x2, #{{0x2a|42}} 141; CHECK-LE: mov x3, xzr 142; CHECK-BE: mov x2, xzr 143; CHECK-BE: mov {{x|w}}3, #{{0x2a|42}} 144; CHECK: bl check_i128_regalign 145 146 ret void 147} 148 149@fptr = dso_local global ptr null 150 151define dso_local void @check_indirect_call() { 152; CHECK-LABEL: check_indirect_call: 153 %func = load ptr, ptr @fptr 154 call void %func() 155; CHECK: ldr [[FPTR:x[0-9]+]], [{{x[0-9]+}}, {{#?}}:lo12:fptr] 156; CHECK: blr [[FPTR]] 157 158 ret void 159} 160