| Richard Smith | bb13c9a | 2013-09-28 04:02:39 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -std=c++1y -triple x86_64-linux-gnu -emit-llvm %s -o - | FileCheck %s |
| 2 | |
| 3 | struct S { |
| 4 | S(); |
| 5 | S(S &&); |
| 6 | ~S(); |
| 7 | }; |
| 8 | |
| 9 | void f() { |
| 10 | (void) [s(S{})] {}; |
| 11 | } |
| 12 | |
| 13 | // CHECK-LABEL: define void @_Z1fv( |
| 14 | // CHECK: call void @_ZN1SC1Ev( |
| 15 | // CHECK: call void @"_ZZ1fvEN3$_0D1Ev"( |
| 16 | |
| 17 | // CHECK-LABEL: define internal void @"_ZZ1fvEN3$_0D1Ev"( |
| 18 | // CHECK: @"_ZZ1fvEN3$_0D2Ev"( |
| 19 | |
| 20 | // D2 at end of file. |
| 21 | |
| 22 | void g() { |
| 23 | [a(1), b(2)] { return a + b; } (); |
| 24 | } |
| 25 | |
| 26 | // CHECK-LABEL: define void @_Z1gv( |
| 27 | // CHECK: getelementptr inbounds {{.*}}, i32 0, i32 0 |
| 28 | // CHECK: store i32 1, i32* |
| 29 | // CHECK: getelementptr inbounds {{.*}}, i32 0, i32 1 |
| 30 | // CHECK: store i32 2, i32* |
| 31 | // CHECK: call i32 @"_ZZ1gvENK3$_1clEv"( |
| 32 | |
| 33 | // CHECK-LABEL: define internal i32 @"_ZZ1gvENK3$_1clEv"( |
| 34 | // CHECK: getelementptr inbounds {{.*}}, i32 0, i32 0 |
| 35 | // CHECK: load i32* |
| 36 | // CHECK: getelementptr inbounds {{.*}}, i32 0, i32 1 |
| 37 | // CHECK: load i32* |
| Rafael Espindola | e5df59f | 2015-01-22 00:24:57 +0000 | [diff] [blame^] | 38 | |
| Richard Smith | bb13c9a | 2013-09-28 04:02:39 +0000 | [diff] [blame] | 39 | // CHECK: add nsw i32 |
| 40 | |
| 41 | int h(int a) { |
| 42 | // CHECK-LABEL: define i32 @_Z1hi( |
| 43 | // CHECK: %[[A_ADDR:.*]] = alloca i32, |
| 44 | // CHECK: %[[OUTER:.*]] = alloca |
| 45 | // CHECK: store i32 {{.*}}, i32* %[[A_ADDR]], |
| 46 | // |
| 47 | // Initialize init-capture 'b(a)' by reference. |
| 48 | // CHECK: getelementptr inbounds {{.*}}* %[[OUTER]], i32 0, i32 0 |
| 49 | // CHECK: store i32* %[[A_ADDR]], i32** {{.*}}, |
| 50 | // |
| 51 | // Initialize init-capture 'c(a)' by copy. |
| 52 | // CHECK: getelementptr inbounds {{.*}}* %[[OUTER]], i32 0, i32 1 |
| 53 | // CHECK: load i32* %[[A_ADDR]], |
| 54 | // CHECK: store i32 |
| 55 | // |
| 56 | // CHECK: call i32 @"_ZZ1hiENK3$_2clEv"({{.*}}* %[[OUTER]]) |
| 57 | return [&b(a), c(a)] { |
| 58 | // CHECK-LABEL: define internal i32 @"_ZZ1hiENK3$_2clEv"( |
| 59 | // CHECK: %[[OUTER_ADDR:.*]] = alloca |
| 60 | // CHECK: %[[INNER:.*]] = alloca |
| 61 | // CHECK: store {{.*}}, {{.*}}** %[[OUTER_ADDR]], |
| 62 | // |
| 63 | // Capture outer 'c' by reference. |
| 64 | // CHECK: %[[OUTER:.*]] = load {{.*}}** %[[OUTER_ADDR]] |
| 65 | // CHECK: getelementptr inbounds {{.*}}* %[[INNER]], i32 0, i32 0 |
| 66 | // CHECK-NEXT: getelementptr inbounds {{.*}}* %[[OUTER]], i32 0, i32 1 |
| 67 | // CHECK-NEXT: store i32* % |
| 68 | // |
| 69 | // Capture outer 'b' by copy. |
| 70 | // CHECK: getelementptr inbounds {{.*}}* %[[INNER]], i32 0, i32 1 |
| 71 | // CHECK-NEXT: getelementptr inbounds {{.*}}* %[[OUTER]], i32 0, i32 0 |
| 72 | // CHECK-NEXT: load i32** % |
| 73 | // CHECK-NEXT: load i32* % |
| 74 | // CHECK-NEXT: store i32 |
| 75 | // |
| 76 | // CHECK: call i32 @"_ZZZ1hiENK3$_2clEvENKUlvE_clEv"({{.*}}* %[[INNER]]) |
| 77 | return [=, &c] { |
| Rafael Espindola | e5df59f | 2015-01-22 00:24:57 +0000 | [diff] [blame^] | 78 | // CHECK-LABEL: define internal void @"_ZZ1fvEN3$_0D2Ev"( |
| 79 | // CHECK: call void @_ZN1SD1Ev( |
| 80 | |
| Richard Smith | bb13c9a | 2013-09-28 04:02:39 +0000 | [diff] [blame] | 81 | // CHECK-LABEL: define internal i32 @"_ZZZ1hiENK3$_2clEvENKUlvE_clEv"( |
| 82 | // CHECK: %[[INNER_ADDR:.*]] = alloca |
| 83 | // CHECK: store {{.*}}, {{.*}}** %[[INNER_ADDR]], |
| 84 | // CHECK: %[[INNER:.*]] = load {{.*}}** %[[INNER_ADDR]] |
| 85 | // |
| 86 | // Load capture of 'b' |
| 87 | // CHECK: getelementptr inbounds {{.*}}* %[[INNER]], i32 0, i32 1 |
| 88 | // CHECK: load i32* % |
| 89 | // |
| 90 | // Load capture of 'c' |
| 91 | // CHECK: getelementptr inbounds {{.*}}* %[[INNER]], i32 0, i32 0 |
| 92 | // CHECK: load i32** % |
| 93 | // CHECK: load i32* % |
| 94 | // |
| 95 | // CHECK: add nsw i32 |
| 96 | return b + c; |
| 97 | } (); |
| 98 | } (); |
| 99 | } |
| 100 | |
| Richard Smith | 75e3f69 | 2013-09-28 04:31:26 +0000 | [diff] [blame] | 101 | // Ensure we can emit code for init-captures in global lambdas too. |
| 102 | auto global_lambda = [a = 0] () mutable { return ++a; }; |
| 103 | int get_incremented() { return global_lambda(); } |