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comparison clang/test/CodeGenCXX/stack-reuse.cpp @ 207:2e18cbf3894f

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LLVM12
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Tue, 08 Jun 2021 06:07:14 +0900
parents 0572611fdcc8
children c4bab56944e8
comparison
equal deleted inserted replaced
173:0572611fdcc8 207:2e18cbf3894f
31 31
32 // Prevent mangling of function names. 32 // Prevent mangling of function names.
33 extern "C" { 33 extern "C" {
34 34
35 void small_rvoed_unnamed_temporary_object() { 35 void small_rvoed_unnamed_temporary_object() {
36 // CHECK-LABEL: define void @small_rvoed_unnamed_temporary_object 36 // CHECK-LABEL: define{{.*}} void @small_rvoed_unnamed_temporary_object
37 // CHECK: call void @llvm.lifetime.start 37 // CHECK: call void @llvm.lifetime.start
38 // CHECK: call void @_Z9foo_smallv 38 // CHECK: call void @_Z9foo_smallv
39 // CHECK: call void @llvm.lifetime.end 39 // CHECK: call void @llvm.lifetime.end
40 // CHECK: call void @llvm.lifetime.start 40 // CHECK: call void @llvm.lifetime.start
41 // CHECK: call void @_Z9foo_smallv 41 // CHECK: call void @_Z9foo_smallv
44 foo_small(); 44 foo_small();
45 foo_small(); 45 foo_small();
46 } 46 }
47 47
48 void large_rvoed_unnamed_temporary_object() { 48 void large_rvoed_unnamed_temporary_object() {
49 // CHECK-LABEL: define void @large_rvoed_unnamed_temporary_object 49 // CHECK-LABEL: define{{.*}} void @large_rvoed_unnamed_temporary_object
50 // CHECK: call void @llvm.lifetime.start 50 // CHECK: call void @llvm.lifetime.start
51 // CHECK: call void @_Z9foo_largev 51 // CHECK: call void @_Z9foo_largev
52 // CHECK: call void @llvm.lifetime.end 52 // CHECK: call void @llvm.lifetime.end
53 // CHECK: call void @llvm.lifetime.start 53 // CHECK: call void @llvm.lifetime.start
54 // CHECK: call void @_Z9foo_largev 54 // CHECK: call void @_Z9foo_largev
57 foo_large(); 57 foo_large();
58 foo_large(); 58 foo_large();
59 } 59 }
60 60
61 void small_rvoed_named_temporary_object() { 61 void small_rvoed_named_temporary_object() {
62 // CHECK-LABEL: define void @small_rvoed_named_temporary_object 62 // CHECK-LABEL: define{{.*}} void @small_rvoed_named_temporary_object
63 // CHECK: call void @llvm.lifetime.start 63 // CHECK: call void @llvm.lifetime.start
64 // CHECK: call void @_Z9foo_smallv 64 // CHECK: call void @_Z9foo_smallv
65 // CHECK: call void @llvm.lifetime.end 65 // CHECK: call void @llvm.lifetime.end
66 // CHECK: call void @llvm.lifetime.start 66 // CHECK: call void @llvm.lifetime.start
67 // CHECK: call void @_Z9foo_smallv 67 // CHECK: call void @_Z9foo_smallv
74 S_small s = foo_small(); 74 S_small s = foo_small();
75 } 75 }
76 } 76 }
77 77
78 void large_rvoed_named_temporary_object() { 78 void large_rvoed_named_temporary_object() {
79 // CHECK-LABEL: define void @large_rvoed_named_temporary_object 79 // CHECK-LABEL: define{{.*}} void @large_rvoed_named_temporary_object
80 // CHECK: call void @llvm.lifetime.start 80 // CHECK: call void @llvm.lifetime.start
81 // CHECK: call void @_Z9foo_largev 81 // CHECK: call void @_Z9foo_largev
82 // CHECK: call void @llvm.lifetime.end 82 // CHECK: call void @llvm.lifetime.end
83 // CHECK: call void @llvm.lifetime.start 83 // CHECK: call void @llvm.lifetime.start
84 // CHECK: call void @_Z9foo_largev 84 // CHECK: call void @_Z9foo_largev
91 S_large s = foo_large(); 91 S_large s = foo_large();
92 } 92 }
93 } 93 }
94 94
95 void small_auto_object() { 95 void small_auto_object() {
96 // CHECK-LABEL: define void @small_auto_object 96 // CHECK-LABEL: define{{.*}} void @small_auto_object
97 // CHECK: call void @llvm.lifetime.start 97 // CHECK: call void @llvm.lifetime.start
98 // CHECK: call void @_Z9bar_smallP7S_small 98 // CHECK: call void @_Z9bar_smallP7S_small
99 // CHECK: call void @llvm.lifetime.end 99 // CHECK: call void @llvm.lifetime.end
100 // CHECK: call void @llvm.lifetime.start 100 // CHECK: call void @llvm.lifetime.start
101 // CHECK: call void @_Z9bar_smallP7S_small 101 // CHECK: call void @_Z9bar_smallP7S_small
110 bar_small(&s); 110 bar_small(&s);
111 } 111 }
112 } 112 }
113 113
114 void large_auto_object() { 114 void large_auto_object() {
115 // CHECK-LABEL: define void @large_auto_object 115 // CHECK-LABEL: define{{.*}} void @large_auto_object
116 // CHECK: call void @llvm.lifetime.start 116 // CHECK: call void @llvm.lifetime.start
117 // CHECK: call void @_Z9bar_largeP7S_large 117 // CHECK: call void @_Z9bar_largeP7S_large
118 // CHECK: call void @llvm.lifetime.end 118 // CHECK: call void @llvm.lifetime.end
119 // CHECK: call void @llvm.lifetime.start 119 // CHECK: call void @llvm.lifetime.start
120 // CHECK: call void @_Z9bar_largeP7S_large 120 // CHECK: call void @_Z9bar_largeP7S_large
129 bar_large(&s); 129 bar_large(&s);
130 } 130 }
131 } 131 }
132 132
133 int large_combiner_test(S_large s) { 133 int large_combiner_test(S_large s) {
134 // CHECK-LABEL: define i32 @large_combiner_test 134 // CHECK-LABEL: define{{.*}} i32 @large_combiner_test
135 // CHECK: [[T2:%.*]] = alloca %struct.Combiner 135 // CHECK: [[T2:%.*]] = alloca %struct.Combiner
136 // CHECK: [[T1:%.*]] = alloca %struct.Combiner 136 // CHECK: [[T1:%.*]] = alloca %struct.Combiner
137 // CHECK: [[T3:%.*]] = call %struct.Combiner* @_ZN8CombinerC1E7S_large(%struct.Combiner* nonnull [[T1]], [9 x i32] %s.coerce) 137 // CHECK: [[T3:%.*]] = call %struct.Combiner* @_ZN8CombinerC1E7S_large(%struct.Combiner* {{[^,]*}} [[T1]], [9 x i32] %s.coerce)
138 // CHECK: call void @_ZN8Combiner1fEv(%struct.Combiner* nonnull sret align 4 [[T2]], %struct.Combiner* nonnull [[T1]]) 138 // CHECK: call void @_ZN8Combiner1fEv(%struct.Combiner* nonnull sret(%struct.Combiner) align 4 [[T2]], %struct.Combiner* {{[^,]*}} [[T1]])
139 // CHECK: [[T4:%.*]] = getelementptr inbounds %struct.Combiner, %struct.Combiner* [[T2]], i32 0, i32 0, i32 0, i32 0 139 // CHECK: [[T4:%.*]] = getelementptr inbounds %struct.Combiner, %struct.Combiner* [[T2]], i32 0, i32 0, i32 0, i32 0
140 // CHECK: [[T5:%.*]] = load i32, i32* [[T4]] 140 // CHECK: [[T5:%.*]] = load i32, i32* [[T4]]
141 // CHECK: ret i32 [[T5]] 141 // CHECK: ret i32 [[T5]]
142 142
143 return Combiner(s).f().a.a[0]; 143 return Combiner(s).f().a.a[0];