1
; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64-none-linux-gnu | FileCheck %s --check-prefix=CHECK
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
6
%myStruct = type { i64 , i8, i32 }
12
@var128 = global i128 0
13
@varfloat = global float 0.0
14
@varfloat_2 = global float 0.0
15
@vardouble = global double 0.0
16
@varstruct = global %myStruct zeroinitializer
17
@varsmallstruct = global [2 x i64] zeroinitializer
19
declare void @take_i8s(i8 %val1, i8 %val2)
20
declare void @take_floats(float %val1, float %val2)
22
define void @simple_args() {
23
; CHECK-LABEL: simple_args:
24
%char1 = load i8, i8* @var8
25
%char2 = load i8, i8* @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]
31
%float1 = load float, float* @varfloat
32
%float2 = load float, float* @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,
43
declare i32 @return_int()
44
declare double @return_double()
45
declare [2 x i64] @return_smallstruct()
46
declare void @return_large_struct(%myStruct* sret %retval)
48
define void @simple_rets() {
49
; CHECK-LABEL: simple_rets:
51
%int = call i32 @return_int()
52
store i32 %int, i32* @var32
53
; CHECK: bl return_int
54
; CHECK: str w0, [{{x[0-9]+}}, {{#?}}:lo12:var32]
56
%dbl = call double @return_double()
57
store double %dbl, double* @vardouble
58
; CHECK: bl return_double
59
; CHECK: str d0, [{{x[0-9]+}}, {{#?}}:lo12:vardouble]
60
; CHECK-NOFP-NOT: str d0,
62
%arr = call [2 x i64] @return_smallstruct()
63
store [2 x i64] %arr, [2 x i64]* @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]]]
68
call void @return_large_struct(%myStruct* sret @varstruct)
69
; CHECK: add x8, {{x[0-9]+}}, {{#?}}:lo12:varstruct
70
; CHECK: bl return_large_struct
76
declare i32 @struct_on_stack(i8 %var0, i16 %var1, i32 %var2, i64 %var3, i128 %var45,
77
i32* %var6, %myStruct* byval %struct, i32 %stacked,
79
declare void @stacked_fpu(float %var0, double %var1, float %var2, float %var3,
80
float %var4, float %var5, float %var6, float %var7,
83
define 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
i32* @var32, %myStruct* byval @varstruct,
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.
92
; CHECK-DAG: str {{q[0-9]+}}, [sp]
93
; CHECK-DAG: fmov d[[FINAL_DOUBLE:[0-9]+]], #1.0
94
; CHECK: mov v0.16b, v[[FINAL_DOUBLE]].16b
96
; CHECK-NONEON-DAG: str {{q[0-9]+}}, [sp]
97
; CHECK-NONEON-DAG: fmov d[[FINAL_DOUBLE:[0-9]+]], #1.0
98
; CHECK-NONEON: fmov d0, d[[FINAL_DOUBLE]]
100
; CHECK: bl struct_on_stack
101
; CHECK-NOFP-NOT: fmov
103
call void @stacked_fpu(float -1.0, double 1.0, float 4.0, float 2.0,
104
float -2.0, float -8.0, float 16.0, float 1.0,
107
; CHECK: movz [[SIXTY_FOUR:w[0-9]+]], #0x4280, lsl #16
108
; CHECK: str [[SIXTY_FOUR]], [sp]
110
; CHECK-NONEON: movz [[SIXTY_FOUR:w[0-9]+]], #0x4280, lsl #16
111
; CHECK-NONEON: str [[SIXTY_FOUR]], [sp]
113
; CHECK: bl stacked_fpu
118
declare void @check_i128_stackalign(i32 %val0, i32 %val1, i32 %val2, i32 %val3,
119
i32 %val4, i32 %val5, i32 %val6, i32 %val7,
120
i32 %stack1, i128 %stack2)
122
declare void @check_i128_regalign(i32 %val0, i128 %val1)
125
define void @check_i128_align() {
126
; CHECK-LABEL: check_i128_align:
127
%val = load i128, i128* @var128
128
call void @check_i128_stackalign(i32 0, i32 1, i32 2, i32 3,
129
i32 4, i32 5, i32 6, i32 7,
131
; CHECK: add x[[VAR128:[0-9]+]], {{x[0-9]+}}, :lo12:var128
132
; CHECK: ldp [[I128LO:x[0-9]+]], [[I128HI:x[0-9]+]], [x[[VAR128]]]
133
; CHECK: stp [[I128LO]], [[I128HI]], [sp, #16]
135
; CHECK-NONEON: add x[[VAR128:[0-9]+]], {{x[0-9]+}}, :lo12:var128
136
; CHECK-NONEON: ldp [[I128LO:x[0-9]+]], [[I128HI:x[0-9]+]], [x[[VAR128]]]
137
; CHECK-NONEON: stp [[I128LO]], [[I128HI]], [sp, #16]
138
; CHECK: bl check_i128_stackalign
140
call void @check_i128_regalign(i32 0, i128 42)
142
; CHECK-LE: movz x2, #{{0x2a|42}}
143
; CHECK-LE: mov x3, xzr
144
; CHECK-BE: movz {{x|w}}3, #{{0x2a|42}}
145
; CHECK-BE: mov x2, xzr
146
; CHECK: bl check_i128_regalign
151
@fptr = global void()* null
153
define void @check_indirect_call() {
154
; CHECK-LABEL: check_indirect_call:
155
%func = load void()*, void()** @fptr
157
; CHECK: ldr [[FPTR:x[0-9]+]], [{{x[0-9]+}}, {{#?}}:lo12:fptr]
158
; CHECK: blr [[FPTR]]