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120
|
1 ; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt | FileCheck %s
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2
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
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3 target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
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121
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4 target triple = "wasm32-unknown-unknown-wasm"
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5
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120
|
6 declare void @ext_func(i64* %ptr)
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7 declare void @ext_func_i32(i32* %ptr)
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8
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9 ; CHECK-LABEL: alloca32:
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
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10 ; Check that there is an extra local for the stack pointer.
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120
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11 ; CHECK: .local i32{{$}}
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12 define void @alloca32() noredzone {
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121
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13 ; CHECK-NEXT: get_global $push[[L2:.+]]=, __stack_pointer{{$}}
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120
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14 ; CHECK-NEXT: i32.const $push[[L3:.+]]=, 16
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15 ; CHECK-NEXT: i32.sub $push[[L9:.+]]=, $pop[[L2]], $pop[[L3]]
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121
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16 ; CHECK-NEXT: tee_local $push[[L8:.+]]=, [[SP:.+]], $pop[[L9]]{{$}}
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17 ; CHECK-NEXT: set_global __stack_pointer, $pop[[L8]]{{$}}
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18 %retval = alloca i32
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121
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19 ; CHECK: get_local $push[[L4:.+]]=, [[SP]]{{$}}
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120
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20 ; CHECK: i32.const $push[[L0:.+]]=, 0
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121
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21 ; CHECK: i32.store 12($pop[[L4]]), $pop[[L0]]
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22 store i32 0, i32* %retval
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121
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23 ; CHECK: get_local $push[[L6:.+]]=, [[SP]]{{$}}
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120
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24 ; CHECK-NEXT: i32.const $push[[L5:.+]]=, 16
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121
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25 ; CHECK-NEXT: i32.add $push[[L7:.+]]=, $pop[[L6]], $pop[[L5]]
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26 ; CHECK-NEXT: set_global __stack_pointer, $pop[[L7]]
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27 ret void
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
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28 }
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
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29
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
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30 ; CHECK-LABEL: alloca3264:
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120
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31 ; CHECK: .local i32{{$}}
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
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32 define void @alloca3264() {
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121
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33 ; CHECK: get_global $push[[L3:.+]]=, __stack_pointer{{$}}
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120
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34 ; CHECK-NEXT: i32.const $push[[L4:.+]]=, 16
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35 ; CHECK-NEXT: i32.sub $push[[L6:.+]]=, $pop[[L3]], $pop[[L4]]
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121
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36 ; CHECK-NEXT: tee_local $push[[L5:.+]]=, [[SP:.+]], $pop[[L6]]
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
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37 %r1 = alloca i32
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
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38 %r2 = alloca double
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121
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39 store i32 0, i32* %r1
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40 store double 0.0, double* %r2
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41 ; CHECK-NEXT: i64.const $push[[L1:.+]]=, 0
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42 ; CHECK-NEXT: i64.store 0($pop[[L5]]), $pop[[L1]]
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43 ; CHECK-NEXT: get_local $push[[L2:.+]]=, [[SP]]{{$}}
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120
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44 ; CHECK-NEXT: i32.const $push[[L0:.+]]=, 0
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121
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45 ; CHECK-NEXT: i32.store 12($pop[[L2]]), $pop[[L0]]
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120
|
46 ; CHECK-NEXT: return
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100
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
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47 ret void
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
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48 }
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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49
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
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50 ; CHECK-LABEL: allocarray:
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120
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51 ; CHECK: .local i32{{$}}
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100
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
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52 define void @allocarray() {
|
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121
|
53 ; CHECK-NEXT: get_global $push[[L4:.+]]=, __stack_pointer{{$}}
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120
|
54 ; CHECK-NEXT: i32.const $push[[L5:.+]]=, 144{{$}}
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55 ; CHECK-NEXT: i32.sub $push[[L12:.+]]=, $pop[[L4]], $pop[[L5]]
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121
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56 ; CHECK-NEXT: tee_local $push[[L11:.+]]=, 0, $pop[[L12]]
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57 ; CHECK-NEXT: set_global __stack_pointer, $pop[[L11]]
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120
|
58 %r = alloca [33 x i32]
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100
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
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59
|
|
120
|
60 ; CHECK: i32.const $push{{.+}}=, 24
|
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121
|
61 ; CHECK-NEXT: i32.add $push[[L3:.+]]=, $pop{{.+}}, $pop{{.+}}
|
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120
|
62 ; CHECK-NEXT: i32.const $push[[L1:.+]]=, 1{{$}}
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63 ; CHECK-NEXT: i32.store 0($pop[[L3]]), $pop[[L1]]{{$}}
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121
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64 ; CHECK-NEXT: get_local $push[[L4:.+]]=, 0{{$}}
|
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120
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65 ; CHECK-NEXT: i32.const $push[[L10:.+]]=, 1{{$}}
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121
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66 ; CHECK-NEXT: i32.store 12($pop[[L4]]), $pop[[L10]]{{$}}
|
|
120
|
67 %p = getelementptr [33 x i32], [33 x i32]* %r, i32 0, i32 0
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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68 store i32 1, i32* %p
|
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120
|
69 %p2 = getelementptr [33 x i32], [33 x i32]* %r, i32 0, i32 3
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
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70 store i32 1, i32* %p2
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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71
|
|
121
|
72 ; CHECK-NEXT: get_local $push[[L2:.+]]=, [[SP]]{{$}}
|
|
120
|
73 ; CHECK-NEXT: i32.const $push[[L7:.+]]=, 144
|
|
121
|
74 ; CHECK-NEXT: i32.add $push[[L8:.+]]=, $pop[[L2]], $pop[[L7]]
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|
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75 ; CHECK-NEXT: set_global __stack_pointer, $pop[[L8]]
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|
120
|
76 ret void
|
|
|
77 }
|
|
|
78
|
|
|
79 ; CHECK-LABEL: non_mem_use
|
|
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80 define void @non_mem_use(i8** %addr) {
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|
81 ; CHECK: i32.const $push[[L2:.+]]=, 48
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82 ; CHECK-NEXT: i32.sub $push[[L12:.+]]=, {{.+}}, $pop[[L2]]
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|
121
|
83 ; CHECK-NEXT: tee_local $push[[L11:.+]]=, [[SP:.+]], $pop[[L12]]
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|
|
84 ; CHECK-NEXT: set_global __stack_pointer, $pop[[L11]]
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|
120
|
85 %buf = alloca [27 x i8], align 16
|
|
|
86 %r = alloca i64
|
|
|
87 %r2 = alloca i64
|
|
|
88 ; %r is at SP+8
|
|
121
|
89 ; CHECK: get_local $push[[L3:.+]]=, [[SP]]
|
|
120
|
90 ; CHECK: i32.const $push[[OFF:.+]]=, 8
|
|
121
|
91 ; CHECK-NEXT: i32.add $push[[ARG1:.+]]=, $pop[[L3]], $pop[[OFF]]
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|
120
|
92 ; CHECK-NEXT: call ext_func@FUNCTION, $pop[[ARG1]]
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|
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93 call void @ext_func(i64* %r)
|
|
|
94 ; %r2 is at SP+0, no add needed
|
|
121
|
95 ; CHECK: get_local $push[[L4:.+]]=, [[SP]]
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|
|
96 ; CHECK-NEXT: call ext_func@FUNCTION, $pop[[L4]]
|
|
120
|
97 call void @ext_func(i64* %r2)
|
|
|
98 ; Use as a value, but in a store
|
|
|
99 ; %buf is at SP+16
|
|
121
|
100 ; CHECK: get_local $push[[L5:.+]]=, [[SP]]
|
|
120
|
101 ; CHECK: i32.const $push[[OFF:.+]]=, 16
|
|
121
|
102 ; CHECK-NEXT: i32.add $push[[VAL:.+]]=, $pop[[L5]], $pop[[OFF]]
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|
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103 ; CHECK-NEXT: i32.store 0($pop{{.+}}), $pop[[VAL]]
|
|
120
|
104 %gep = getelementptr inbounds [27 x i8], [27 x i8]* %buf, i32 0, i32 0
|
|
|
105 store i8* %gep, i8** %addr
|
100
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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106 ret void
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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|
107 }
|
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
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|
108
|
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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109 ; CHECK-LABEL: allocarray_inbounds:
|
|
120
|
110 ; CHECK: .local i32{{$}}
|
100
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
111 define void @allocarray_inbounds() {
|
|
121
|
112 ; CHECK: get_global $push[[L3:.+]]=, __stack_pointer{{$}}
|
|
120
|
113 ; CHECK-NEXT: i32.const $push[[L4:.+]]=, 32{{$}}
|
|
|
114 ; CHECK-NEXT: i32.sub $push[[L11:.+]]=, $pop[[L3]], $pop[[L4]]
|
|
121
|
115 ; CHECK-NEXT: tee_local $push[[L10:.+]]=, [[SP:.+]], $pop[[L11]]
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|
|
116 ; CHECK-NEXT: set_global __stack_pointer, $pop[[L10]]{{$}}
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100
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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|
117 %r = alloca [5 x i32]
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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118 ; CHECK: i32.const $push[[L3:.+]]=, 1
|
|
120
|
119 ; CHECK-DAG: i32.store 24(${{.+}}), $pop[[L3]]
|
100
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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120 %p = getelementptr inbounds [5 x i32], [5 x i32]* %r, i32 0, i32 0
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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121 store i32 1, i32* %p
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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122 ; This store should have both the GEP and the FI folded into it.
|
|
120
|
123 ; CHECK-DAG: i32.store 12(${{.+}}), $pop
|
100
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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|
124 %p2 = getelementptr inbounds [5 x i32], [5 x i32]* %r, i32 0, i32 3
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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|
125 store i32 1, i32* %p2
|
|
120
|
126 call void @ext_func(i64* null);
|
|
|
127 ; CHECK: call ext_func
|
|
121
|
128 ; CHECK: i32.const $push[[L5:.+]]=, 32{{$}}
|
|
120
|
129 ; CHECK-NEXT: i32.add $push[[L7:.+]]=, ${{.+}}, $pop[[L5]]
|
|
121
|
130 ; CHECK-NEXT: set_global __stack_pointer, $pop[[L7]]
|
100
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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131 ret void
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
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|
132 }
|
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
133
|
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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|
134 ; CHECK-LABEL: dynamic_alloca:
|
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
135 define void @dynamic_alloca(i32 %alloc) {
|
|
121
|
136 ; CHECK: get_global $push[[L13:.+]]=, __stack_pointer{{$}}
|
|
120
|
137 ; CHECK-NEXT: tee_local $push[[L12:.+]]=, [[SP:.+]], $pop[[L13]]{{$}}
|
|
|
138 ; Target independent codegen bumps the stack pointer.
|
|
|
139 ; CHECK: i32.sub
|
|
|
140 ; Check that SP is written back to memory after decrement
|
|
121
|
141 ; CHECK: set_global __stack_pointer,
|
|
120
|
142 %r = alloca i32, i32 %alloc
|
|
|
143 ; Target-independent codegen also calculates the store addr
|
|
|
144 ; CHECK: call ext_func_i32@FUNCTION
|
|
|
145 call void @ext_func_i32(i32* %r)
|
|
121
|
146 ; CHECK: set_global __stack_pointer, $pop{{.+}}
|
|
120
|
147 ret void
|
|
|
148 }
|
|
|
149
|
|
|
150 ; CHECK-LABEL: dynamic_alloca_redzone:
|
|
|
151 define void @dynamic_alloca_redzone(i32 %alloc) {
|
|
121
|
152 ; CHECK: get_global $push[[L13:.+]]=, __stack_pointer{{$}}
|
|
120
|
153 ; CHECK-NEXT: tee_local $push[[L12:.+]]=, [[SP:.+]], $pop[[L13]]{{$}}
|
|
|
154 ; Target independent codegen bumps the stack pointer
|
|
|
155 ; CHECK: i32.sub
|
|
|
156 %r = alloca i32, i32 %alloc
|
|
121
|
157 ; CHECK-NEXT: tee_local $push[[L8:.+]]=, {{.+}}, $pop
|
|
|
158 ; CHECK: get_local $push[[L7:.+]]=, 0{{$}}
|
|
120
|
159 ; CHECK-NEXT: i32.const $push[[L6:.+]]=, 0{{$}}
|
|
121
|
160 ; CHECK-NEXT: i32.store 0($pop[[L7]]), $pop[[L6]]{{$}}
|
|
120
|
161 store i32 0, i32* %r
|
|
|
162 ; CHECK-NEXT: return
|
|
|
163 ret void
|
|
|
164 }
|
|
|
165
|
|
|
166 ; CHECK-LABEL: dynamic_static_alloca:
|
|
|
167 define void @dynamic_static_alloca(i32 %alloc) noredzone {
|
|
|
168 ; Decrement SP in the prolog by the static amount and writeback to memory.
|
|
121
|
169 ; CHECK: get_global $push[[L11:.+]]=, __stack_pointer{{$}}
|
|
120
|
170 ; CHECK-NEXT: i32.const $push[[L12:.+]]=, 16
|
|
|
171 ; CHECK-NEXT: i32.sub $push[[L23:.+]]=, $pop[[L11]], $pop[[L12]]
|
|
121
|
172 ; CHECK-NEXT: tee_local $push[[L22:.+]]=, [[SP:.+]], $pop[[L23]]
|
|
|
173 ; CHECK-NEXT: set_global __stack_pointer, $pop[[L22]]
|
|
120
|
174
|
|
|
175 ; Alloc and write to a static alloca
|
|
121
|
176 ; CHECK: get_local $push[[L21:.+]]=, [[SP:.+]]
|
|
|
177 ; CHECK-NEXT: tee_local $push[[pushedFP:.+]]=, [[FP:.+]], $pop[[L21]]
|
|
120
|
178 ; CHECK-NEXT: i32.const $push[[L0:.+]]=, 101
|
|
|
179 ; CHECK-NEXT: i32.store [[static_offset:.+]]($pop[[pushedFP]]), $pop[[L0]]
|
|
|
180 %static = alloca i32
|
|
|
181 store volatile i32 101, i32* %static
|
|
|
182
|
|
|
183 ; Decrement SP in the body by the dynamic amount.
|
|
|
184 ; CHECK: i32.sub
|
|
121
|
185 ; CHECK: tee_local $push[[L16:.+]]=, [[dynamic_local:.+]], $pop{{.+}}
|
|
|
186 ; CHECK: tee_local $push[[L15:.+]]=, [[other:.+]], $pop[[L16]]{{$}}
|
|
|
187 ; CHECK: set_global __stack_pointer, $pop[[L15]]{{$}}
|
|
120
|
188 %dynamic = alloca i32, i32 %alloc
|
|
|
189
|
|
|
190 ; Ensure we don't modify the frame pointer after assigning it.
|
|
|
191 ; CHECK-NOT: $[[FP]]=
|
|
|
192
|
|
|
193 ; Ensure the static address doesn't change after modifying the stack pointer.
|
|
121
|
194 ; CHECK: get_local $push[[L17:.+]]=, [[FP]]
|
|
120
|
195 ; CHECK: i32.const $push[[L7:.+]]=, 102
|
|
121
|
196 ; CHECK-NEXT: i32.store [[static_offset]]($pop[[L17]]), $pop[[L7]]
|
|
|
197 ; CHECK-NEXT: get_local $push[[L9:.+]]=, [[dynamic_local]]{{$}}
|
|
120
|
198 ; CHECK-NEXT: i32.const $push[[L8:.+]]=, 103
|
|
121
|
199 ; CHECK-NEXT: i32.store 0($pop[[L9]]), $pop[[L8]]
|
|
120
|
200 store volatile i32 102, i32* %static
|
|
|
201 store volatile i32 103, i32* %dynamic
|
|
|
202
|
|
|
203 ; Decrement SP in the body by the dynamic amount.
|
|
|
204 ; CHECK: i32.sub
|
|
121
|
205 ; CHECK: tee_local $push{{.+}}=, [[dynamic2_local:.+]], $pop{{.+}}
|
|
120
|
206 %dynamic.2 = alloca i32, i32 %alloc
|
|
|
207
|
|
|
208 ; CHECK-NOT: $[[FP]]=
|
|
|
209
|
|
|
210 ; Ensure neither the static nor dynamic address changes after the second
|
|
|
211 ; modification of the stack pointer.
|
|
121
|
212 ; CHECK: get_local $push[[L22:.+]]=, [[FP]]
|
|
120
|
213 ; CHECK: i32.const $push[[L9:.+]]=, 104
|
|
121
|
214 ; CHECK-NEXT: i32.store [[static_offset]]($pop[[L22]]), $pop[[L9]]
|
|
|
215 ; CHECK-NEXT: get_local $push[[L23:.+]]=, [[dynamic_local]]
|
|
120
|
216 ; CHECK-NEXT: i32.const $push[[L10:.+]]=, 105
|
|
121
|
217 ; CHECK-NEXT: i32.store 0($pop[[L23]]), $pop[[L10]]
|
|
|
218 ; CHECK-NEXT: get_local $push[[L23:.+]]=, [[dynamic2_local]]
|
|
120
|
219 ; CHECK-NEXT: i32.const $push[[L11:.+]]=, 106
|
|
121
|
220 ; CHECK-NEXT: i32.store 0($pop[[L23]]), $pop[[L11]]
|
|
120
|
221 store volatile i32 104, i32* %static
|
|
|
222 store volatile i32 105, i32* %dynamic
|
|
|
223 store volatile i32 106, i32* %dynamic.2
|
|
|
224
|
|
|
225 ; Writeback to memory.
|
|
121
|
226 ; CHECK: get_local $push[[L24:.+]]=, [[FP]]{{$}}
|
|
|
227 ; CHECK: i32.const $push[[L18:.+]]=, 16
|
|
|
228 ; CHECK-NEXT: i32.add $push[[L19:.+]]=, $pop[[L24]], $pop[[L18]]
|
|
|
229 ; CHECK-NEXT: set_global __stack_pointer, $pop[[L19]]
|
100
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
230 ret void
|
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
231 }
|
|
120
|
232
|
|
|
233 declare i8* @llvm.stacksave()
|
|
|
234 declare void @llvm.stackrestore(i8*)
|
|
|
235
|
|
|
236 ; CHECK-LABEL: llvm_stack_builtins:
|
|
|
237 define void @llvm_stack_builtins(i32 %alloc) noredzone {
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121
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238 ; CHECK: get_global $push[[L11:.+]]=, __stack_pointer{{$}}
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239 ; CHECK-NEXT: tee_local $push[[L10:.+]]=, {{.+}}, $pop[[L11]]
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240 ; CHECK-NEXT: set_local [[STACK:.+]], $pop[[L10]]
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120
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241 %stack = call i8* @llvm.stacksave()
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242
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243 ; Ensure we don't reassign the stacksave local
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121
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244 ; CHECK-NOT: set_local [[STACK]],
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120
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245 %dynamic = alloca i32, i32 %alloc
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246
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121
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247 ; CHECK: get_local $push[[L12:.+]]=, [[STACK]]
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248 ; CHECK-NEXT: set_global __stack_pointer, $pop[[L12]]
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120
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249 call void @llvm.stackrestore(i8* %stack)
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250
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251 ret void
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252 }
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253
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254 ; Not actually using the alloca'd variables exposed an issue with register
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255 ; stackification, where copying the stack pointer into the frame pointer was
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256 ; moved after the stack pointer was updated for the dynamic alloca.
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257 ; CHECK-LABEL: dynamic_alloca_nouse:
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258 define void @dynamic_alloca_nouse(i32 %alloc) noredzone {
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121
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259 ; CHECK: get_global $push[[L11:.+]]=, __stack_pointer{{$}}
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260 ; CHECK-NEXT: tee_local $push[[L10:.+]]=, {{.+}}, $pop[[L11]]
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261 ; CHECK-NEXT: set_local [[FP:.+]], $pop[[L10]]
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120
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262 %dynamic = alloca i32, i32 %alloc
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263
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121
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264 ; CHECK-NOT: set_local [[FP]],
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120
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265
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121
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266 ; CHECK: get_local $push[[L12:.+]]=, [[FP]]
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267 ; CHECK-NEXT: set_global __stack_pointer, $pop[[L12]]
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120
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268 ret void
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269 }
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270
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271 ; The use of the alloca in a phi causes a CopyToReg DAG node to be generated,
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272 ; which has to have special handling because CopyToReg can't have a FI operand
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273 ; CHECK-LABEL: copytoreg_fi:
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274 define void @copytoreg_fi(i1 %cond, i32* %b) {
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275 entry:
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276 ; CHECK: i32.const $push[[L1:.+]]=, 16
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277 ; CHECK-NEXT: i32.sub $push[[L3:.+]]=, {{.+}}, $pop[[L1]]
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278 %addr = alloca i32
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279 ; CHECK: i32.const $push[[OFF:.+]]=, 12
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280 ; CHECK-NEXT: i32.add $push[[ADDR:.+]]=, $pop[[L3]], $pop[[OFF]]
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121
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281 ; CHECK-NEXT: set_local [[COPY:.+]], $pop[[ADDR]]
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120
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282 br label %body
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283 body:
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284 %a = phi i32* [%addr, %entry], [%b, %body]
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285 store i32 1, i32* %a
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121
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286 ; CHECK: get_local $push[[L12:.+]]=, [[COPY]]
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287 ; CHECK: i32.store 0($pop[[L12]]),
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120
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288 br i1 %cond, label %body, label %exit
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289 exit:
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290 ret void
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291 }
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292
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293 declare void @use_i8_star(i8*)
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294 declare i8* @llvm.frameaddress(i32)
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295
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296 ; Test __builtin_frame_address(0).
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297 ; CHECK-LABEL: frameaddress_0:
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121
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298 ; CHECK: get_global $push[[L3:.+]]=, __stack_pointer{{$}}
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299 ; CHECK-NEXT: tee_local $push[[L2:.+]]=, [[FP:.+]], $pop[[L3]]{{$}}
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120
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300 ; CHECK-NEXT: call use_i8_star@FUNCTION, $pop[[L2]]
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121
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301 ; CHECK-NEXT: get_local $push[[L5:.+]]=, [[FP]]
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302 ; CHECK-NEXT: set_global __stack_pointer, $pop[[L5]]
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120
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303 define void @frameaddress_0() {
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304 %t = call i8* @llvm.frameaddress(i32 0)
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305 call void @use_i8_star(i8* %t)
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306 ret void
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307 }
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308
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309 ; Test __builtin_frame_address(1).
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310
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311 ; CHECK-LABEL: frameaddress_1:
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312 ; CHECK-NEXT: i32.const $push0=, 0{{$}}
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313 ; CHECK-NEXT: call use_i8_star@FUNCTION, $pop0{{$}}
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314 ; CHECK-NEXT: return{{$}}
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315 define void @frameaddress_1() {
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316 %t = call i8* @llvm.frameaddress(i32 1)
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317 call void @use_i8_star(i8* %t)
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318 ret void
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319 }
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320
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321 ; Test a stack address passed to an inline asm.
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322 ; CHECK-LABEL: inline_asm:
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121
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323 ; CHECK: get_global {{.+}}, __stack_pointer{{$}}
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120
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324 ; CHECK: #APP
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325 ; CHECK-NEXT: # %{{[0-9]+}}{{$}}
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326 ; CHECK-NEXT: #NO_APP
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327 define void @inline_asm() {
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328 %tmp = alloca i8
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329 call void asm sideeffect "# %0", "r"(i8* %tmp)
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330 ret void
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331 }
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332
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333 ; TODO: test over-aligned alloca
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