1 ; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64-none-linux-gnu | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-AARCH64
2 ; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64_be-none-linux-gnu | FileCheck --check-prefix=CHECK --check-prefix=CHECK-BE %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 -mattr=-fp-armv8 | FileCheck --check-prefix=CHECK-BE --check-prefix=CHECK-NOFP %s
5 ; RUN: llc -verify-machineinstrs < %s -mtriple=arm64-none-linux-gnu | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-ARM64
6 ; RUN: llc -verify-machineinstrs < %s -mtriple=arm64-none-linux-gnu -mattr=-neon | FileCheck --check-prefix=CHECK --check-prefix=CHECK-ARM64-NONEON %s
7 ; RUN: llc -verify-machineinstrs < %s -mtriple=arm64-none-linux-gnu -mattr=-fp-armv8 | FileCheck --check-prefix=CHECK-NOFP %s
9 %myStruct = type { i64 , i8, i32 }
15 @var128 = global i128 0
16 @varfloat = global float 0.0
17 @varfloat_2 = global float 0.0
18 @vardouble = global double 0.0
19 @varstruct = global %myStruct zeroinitializer
20 @varsmallstruct = global [2 x i64] zeroinitializer
22 declare void @take_i8s(i8 %val1, i8 %val2)
23 declare void @take_floats(float %val1, float %val2)
25 define void @simple_args() {
26 ; CHECK-LABEL: simple_args:
27 %char1 = load i8* @var8
28 %char2 = load i8* @var8_2
29 call void @take_i8s(i8 %char1, i8 %char2)
30 ; CHECK-DAG: ldrb w0, [{{x[0-9]+}}, {{#?}}:lo12:var8]
31 ; CHECK-DAG: ldrb w1, [{{x[0-9]+}}, {{#?}}:lo12:var8_2]
34 %float1 = load float* @varfloat
35 %float2 = load float* @varfloat_2
36 call void @take_floats(float %float1, float %float2)
37 ; CHECK-DAG: ldr s1, [{{x[0-9]+}}, {{#?}}:lo12:varfloat_2]
38 ; CHECK-DAG: ldr s0, [{{x[0-9]+}}, {{#?}}:lo12:varfloat]
39 ; CHECK: bl take_floats
40 ; CHECK-NOFP-NOT: ldr s1,
41 ; CHECK-NOFP-NOT: ldr s0,
46 declare i32 @return_int()
47 declare double @return_double()
48 declare [2 x i64] @return_smallstruct()
49 declare void @return_large_struct(%myStruct* sret %retval)
51 define void @simple_rets() {
52 ; CHECK-LABEL: simple_rets:
54 %int = call i32 @return_int()
55 store i32 %int, i32* @var32
56 ; CHECK: bl return_int
57 ; CHECK: str w0, [{{x[0-9]+}}, {{#?}}:lo12:var32]
59 %dbl = call double @return_double()
60 store double %dbl, double* @vardouble
61 ; CHECK: bl return_double
62 ; CHECK: str d0, [{{x[0-9]+}}, {{#?}}:lo12:vardouble]
63 ; CHECK-NOFP-NOT: str d0,
65 %arr = call [2 x i64] @return_smallstruct()
66 store [2 x i64] %arr, [2 x i64]* @varsmallstruct
67 ; CHECK: bl return_smallstruct
68 ; CHECK: str x1, [{{x[0-9]+}}, #8]
69 ; CHECK: str x0, [{{x[0-9]+}}, {{#?}}:lo12:varsmallstruct]
71 call void @return_large_struct(%myStruct* sret @varstruct)
72 ; CHECK: add x8, {{x[0-9]+}}, {{#?}}:lo12:varstruct
73 ; CHECK: bl return_large_struct
79 declare i32 @struct_on_stack(i8 %var0, i16 %var1, i32 %var2, i64 %var3, i128 %var45,
80 i32* %var6, %myStruct* byval %struct, i32 %stacked,
82 declare void @stacked_fpu(float %var0, double %var1, float %var2, float %var3,
83 float %var4, float %var5, float %var6, float %var7,
86 define void @check_stack_args() {
87 ; CHECK-LABEL: check_stack_args:
88 call i32 @struct_on_stack(i8 0, i16 12, i32 42, i64 99, i128 1,
89 i32* @var32, %myStruct* byval @varstruct,
91 ; Want to check that the final double is passed in registers and
92 ; that varstruct is passed on the stack. Rather dependent on how a
93 ; memcpy gets created, but the following works for now.
94 ; CHECK-AARCH64: mov x[[SPREG:[0-9]+]], sp
95 ; CHECK-AARCH64-DAG: str {{w[0-9]+}}, [x[[SPREG]]]
96 ; CHECK-AARCH64-DAG: str {{w[0-9]+}}, [x[[SPREG]], #12]
97 ; CHECK-AARCH64-DAG: fmov d0,
99 ; CHECK-ARM64-DAG: str {{q[0-9]+}}, [sp]
100 ; CHECK-ARM64-DAG: fmov d[[FINAL_DOUBLE:[0-9]+]], #1.0
101 ; CHECK-ARM64: orr v0.16b, v[[FINAL_DOUBLE]].16b, v[[FINAL_DOUBLE]].16b
103 ; CHECK-ARM64-NONEON-DAG: str {{q[0-9]+}}, [sp]
104 ; CHECK-ARM64-NONEON-DAG: fmov d[[FINAL_DOUBLE:[0-9]+]], #1.0
105 ; CHECK-ARM64-NONEON: fmov d0, d[[FINAL_DOUBLE]]
107 ; CHECK: bl struct_on_stack
108 ; CHECK-NOFP-NOT: fmov
110 call void @stacked_fpu(float -1.0, double 1.0, float 4.0, float 2.0,
111 float -2.0, float -8.0, float 16.0, float 1.0,
113 ; CHECK-AARCH64: ldr s[[STACKEDREG:[0-9]+]], [{{x[0-9]+}}, {{#?}}:lo12:.LCPI
114 ; CHECK-AARCH64: mov x0, sp
115 ; CHECK-AARCH64: str d[[STACKEDREG]], [x0]
117 ; CHECK-ARM64: movz [[SIXTY_FOUR:w[0-9]+]], #0x4280, lsl #16
118 ; CHECK-ARM64: str [[SIXTY_FOUR]], [sp]
120 ; CHECK-ARM64-NONEON: movz [[SIXTY_FOUR:w[0-9]+]], #0x4280, lsl #16
121 ; CHECK-ARM64-NONEON: str [[SIXTY_FOUR]], [sp]
123 ; CHECK: bl stacked_fpu
128 declare void @check_i128_stackalign(i32 %val0, i32 %val1, i32 %val2, i32 %val3,
129 i32 %val4, i32 %val5, i32 %val6, i32 %val7,
130 i32 %stack1, i128 %stack2)
132 declare void @check_i128_regalign(i32 %val0, i128 %val1)
135 define void @check_i128_align() {
136 ; CHECK-LABEL: check_i128_align:
137 %val = load i128* @var128
138 call void @check_i128_stackalign(i32 0, i32 1, i32 2, i32 3,
139 i32 4, i32 5, i32 6, i32 7,
141 ; CHECK: ldr [[I128LO:x[0-9]+]], [{{x[0-9]+}}, {{#?}}:lo12:var128]
142 ; CHECK: ldr [[I128HI:x[0-9]+]], [{{x[0-9]+}}, #8]
143 ; CHECK-AARCH64: mov x[[SPREG:[0-9]+]], sp
144 ; CHECK-AARCH64: str [[I128HI]], [x[[SPREG]], #24]
145 ; CHECK-AARCH64: str [[I128LO]], [x[[SPREG]], #16]
146 ; CHECK-ARM64: stp [[I128LO]], [[I128HI]], [sp, #16]
147 ; CHECK-ARM64-NONEON: stp [[I128LO]], [[I128HI]], [sp, #16]
148 ; CHECK: bl check_i128_stackalign
150 call void @check_i128_regalign(i32 0, i128 42)
152 ; CHECK-LE: movz x2, #42
153 ; CHECK-LE: mov x3, xzr
154 ; CHECK-BE: movz x3, #42
155 ; CHECK-BE: mov x2, xzr
156 ; CHECK: bl check_i128_regalign
161 @fptr = global void()* null
163 define void @check_indirect_call() {
164 ; CHECK-LABEL: check_indirect_call:
165 %func = load void()** @fptr
167 ; CHECK: ldr [[FPTR:x[0-9]+]], [{{x[0-9]+}}, {{#?}}:lo12:fptr]
168 ; CHECK: blr [[FPTR]]