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TheRock/compiler/amd-llvm/clang/test/CIR/CodeGen/lambda-decomp-decl-captures.cpp
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

192 lines
12 KiB
C++

// RUN: %clang_cc1 -std=c++20 -triple x86_64-unknown-linux-gnu -fclangir -emit-cir %s -o %t.cir
// RUN: FileCheck --check-prefix=CIR --input-file=%t.cir %s
// RUN: %clang_cc1 -std=c++20 -triple x86_64-unknown-linux-gnu -fclangir -emit-llvm %s -o %t-cir.ll
// RUN: FileCheck --check-prefix=LLVM --input-file=%t-cir.ll %s
// RUN: %clang_cc1 -std=c++20 -triple x86_64-unknown-linux-gnu -emit-llvm %s -o %t.ll
// RUN: FileCheck --check-prefix=LLVM --input-file=%t.ll %s
void array() {
float arr[4];
auto &[first, second, third, fourth] = arr;
[=]() { return first;}();
// CIR-LABEL: cir.func {{.*}}@_ZZ5arrayvENK3$_0clEv
// CIR: %[[THIS:.*]] = cir.alloca !cir.ptr<![[LAMBDA_TY:.*]]>, !cir.ptr<!cir.ptr<![[LAMBDA_TY]]>>, ["this", init]
// CIR: %[[LOAD_THIS:.*]] = cir.load %[[THIS]] : !cir.ptr<!cir.ptr<![[LAMBDA_TY]]>>, !cir.ptr<![[LAMBDA_TY]]>
// CIR: %[[FIRST_MEM:.*]] = cir.get_member %[[LOAD_THIS]][0] {name = "first"} : !cir.ptr<![[LAMBDA_TY]]> -> !cir.ptr<!cir.float>
// CIR: %[[GET_FIRST:.*]] = cir.load {{.*}}%[[FIRST_MEM]] : !cir.ptr<!cir.float>, !cir.float
//
// LLVM-LABEL: define {{.*}}@"_ZZ5arrayvENK3$_0clEv"
// LLVM: %[[THIS:.*]] = alloca ptr
// LLVM: %[[LOAD_THIS:.*]] = load ptr, ptr %[[THIS]]
// LLVM: %[[FIRST_MEM:.*]] = getelementptr inbounds nuw %{{.*}}, ptr %[[LOAD_THIS]], i32 0, i32 0
// LLVM: %[[GET_FIRST:.*]] = load float, ptr %[[FIRST_MEM]]
[&]() { return second;}();
// CIR-LABEL: cir.func {{.*}}@_ZZ5arrayvENK3$_1clEv
// CIR: %[[THIS:.*]] = cir.alloca !cir.ptr<![[LAMBDA_TY:.*]]>, !cir.ptr<!cir.ptr<![[LAMBDA_TY]]>>, ["this", init]
// CIR: %[[LOAD_THIS:.*]] = cir.load %[[THIS]] : !cir.ptr<!cir.ptr<![[LAMBDA_TY]]>>, !cir.ptr<![[LAMBDA_TY]]>
// CIR: %[[SECOND_MEM:.*]] = cir.get_member %[[LOAD_THIS]][0] {name = "second"} : !cir.ptr<![[LAMBDA_TY]]> -> !cir.ptr<!cir.ptr<!cir.float>>
// CIR: %[[GET_SECOND:.*]] = cir.load {{.*}}%[[SECOND_MEM]] : !cir.ptr<!cir.ptr<!cir.float>>, !cir.ptr<!cir.float>
// CIR: %[[DEREF:.*]] = cir.load{{.*}} %[[GET_SECOND]] : !cir.ptr<!cir.float>, !cir.float
//
// LLVM-LABEL: define {{.*}}@"_ZZ5arrayvENK3$_1clEv"
// LLVM: %[[THIS:.*]] = alloca ptr
// LLVM: %[[LOAD_THIS:.*]] = load ptr, ptr %[[THIS]]
// LLVM: %[[SECOND_MEM:.*]] = getelementptr inbounds nuw %{{.*}}, ptr %[[LOAD_THIS]], i32 0, i32 0
// LLVM: %[[GET_SECOND:.*]] = load ptr, ptr %[[SECOND_MEM]]
// LLVM: %[[DEREF:.*]] = load float, ptr %[[GET_SECOND]]
[third]() { return third;}();
// CIR-LABEL: cir.func {{.*}}@_ZZ5arrayvENK3$_2clEv
// CIR: %[[THIS:.*]] = cir.alloca !cir.ptr<![[LAMBDA_TY:.*]]>, !cir.ptr<!cir.ptr<![[LAMBDA_TY]]>>, ["this", init]
// CIR: %[[LOAD_THIS:.*]] = cir.load %[[THIS]] : !cir.ptr<!cir.ptr<![[LAMBDA_TY]]>>, !cir.ptr<![[LAMBDA_TY]]>
// CIR: %[[THIRD_MEM:.*]] = cir.get_member %[[LOAD_THIS]][0] {name = "third"} : !cir.ptr<![[LAMBDA_TY]]> -> !cir.ptr<!cir.float>
// CIR: %[[GET_THIRD:.*]] = cir.load {{.*}}%[[THIRD_MEM]] : !cir.ptr<!cir.float>, !cir.float
//
// LLVM-LABEL: define {{.*}}@"_ZZ5arrayvENK3$_2clEv"
// LLVM: %[[THIS:.*]] = alloca ptr
// LLVM: %[[LOAD_THIS:.*]] = load ptr, ptr %[[THIS]]
// LLVM: %[[THIRD_MEM:.*]] = getelementptr inbounds nuw %{{.*}}, ptr %[[LOAD_THIS]], i32 0, i32 0
// LLVM: %[[GET_THIRD:.*]] = load float, ptr %[[THIRD_MEM]]
[&fourth]() { return fourth;}();
// CIR-LABEL: cir.func {{.*}}@_ZZ5arrayvENK3$_3clEv
// CIR: %[[THIS:.*]] = cir.alloca !cir.ptr<![[LAMBDA_TY:.*]]>, !cir.ptr<!cir.ptr<![[LAMBDA_TY]]>>, ["this", init]
// CIR: %[[LOAD_THIS:.*]] = cir.load %[[THIS]] : !cir.ptr<!cir.ptr<![[LAMBDA_TY]]>>, !cir.ptr<![[LAMBDA_TY]]>
// CIR: %[[FOURTH_MEM:.*]] = cir.get_member %[[LOAD_THIS]][0] {name = "fourth"} : !cir.ptr<![[LAMBDA_TY]]> -> !cir.ptr<!cir.ptr<!cir.float>>
// CIR: %[[GET_FOURTH:.*]] = cir.load {{.*}}%[[FOURTH_MEM]] : !cir.ptr<!cir.ptr<!cir.float>>, !cir.ptr<!cir.float>
// CIR: %[[DEREF:.*]] = cir.load{{.*}} %[[GET_FOURTH]] : !cir.ptr<!cir.float>, !cir.float
//
// LLVM-LABEL: define {{.*}}@"_ZZ5arrayvENK3$_3clEv"
// LLVM: %[[THIS:.*]] = alloca ptr
// LLVM: %[[LOAD_THIS:.*]] = load ptr, ptr %[[THIS]]
// LLVM: %[[FOURTH_MEM:.*]] = getelementptr inbounds nuw %{{.*}}, ptr %[[LOAD_THIS]], i32 0, i32 0
// LLVM: %[[GET_FOURTH:.*]] = load ptr, ptr %[[FOURTH_MEM]]
// LLVM: %[[DEREF:.*]] = load float, ptr %[[GET_FOURTH]]
}
struct S { int a, b, c, d; };
void Struct() {
S s;
auto [first, second, third, fourth] = s;
[=]() { return first;}();
// CIR-LABEL: cir.func {{.*}}@_ZZ6StructvENK3$_0clEv
// CIR: %[[THIS:.*]] = cir.alloca !cir.ptr<![[LAMBDA_TY:.*]]>, !cir.ptr<!cir.ptr<![[LAMBDA_TY]]>>, ["this", init]
// CIR: %[[LOAD_THIS:.*]] = cir.load %[[THIS]] : !cir.ptr<!cir.ptr<![[LAMBDA_TY]]>>, !cir.ptr<![[LAMBDA_TY]]>
// CIR: %[[FIRST_MEM:.*]] = cir.get_member %[[LOAD_THIS]][0] {name = "first"} : !cir.ptr<![[LAMBDA_TY]]> -> !cir.ptr<!s32i>
// CIR: %[[LOAD_FIRST:.*]] = cir.load {{.*}}%[[FIRST_MEM]] : !cir.ptr<!s32i>, !s32i
//
// LLVM-LABEL: define {{.*}}@"_ZZ6StructvENK3$_0clEv"
// LLVM: %[[THIS:.*]] = alloca ptr
// LLVM: %[[LOAD_THIS:.*]] = load ptr, ptr %[[THIS]]
// LLVM: %[[FIRST_MEM:.*]] = getelementptr inbounds nuw %{{.*}}, ptr %[[LOAD_THIS]], i32 0, i32 0
// LLVM: %[[GET_FIRST:.*]] = load i32, ptr %[[FIRST_MEM]]
[&]() { return second;}();
// CIR-LABEL: cir.func {{.*}}@_ZZ6StructvENK3$_1clEv
// CIR: %[[THIS:.*]] = cir.alloca !cir.ptr<![[LAMBDA_TY:.*]]>, !cir.ptr<!cir.ptr<![[LAMBDA_TY]]>>, ["this", init]
// CIR: %[[LOAD_THIS:.*]] = cir.load %[[THIS]] : !cir.ptr<!cir.ptr<![[LAMBDA_TY]]>>, !cir.ptr<![[LAMBDA_TY]]>
// CIR: %[[SECOND_MEM:.*]] = cir.get_member %[[LOAD_THIS]][0] {name = "second"} : !cir.ptr<![[LAMBDA_TY]]> -> !cir.ptr<!cir.ptr<!s32i>>
// CIR: %[[GET_SECOND:.*]] = cir.load {{.*}}%[[SECOND_MEM]] : !cir.ptr<!cir.ptr<!s32i>>, !cir.ptr<!s32i>
// CIR: %[[DEREF:.*]] = cir.load{{.*}} %[[GET_SECOND]] : !cir.ptr<!s32i>, !s32i
//
// LLVM-LABEL: define {{.*}}@"_ZZ6StructvENK3$_1clEv"
// LLVM: %[[THIS:.*]] = alloca ptr
// LLVM: %[[LOAD_THIS:.*]] = load ptr, ptr %[[THIS]]
// LLVM: %[[SECOND_MEM:.*]] = getelementptr inbounds nuw %{{.*}}, ptr %[[LOAD_THIS]], i32 0, i32 0
// LLVM: %[[GET_SECOND:.*]] = load ptr, ptr %[[SECOND_MEM]]
// LLVM: %[[DEREF:.*]] = load i32, ptr %[[GET_SECOND]]
[third]() { return third;}();
// CIR-LABEL: cir.func {{.*}}@_ZZ6StructvENK3$_2clEv
// CIR: %[[THIS:.*]] = cir.alloca !cir.ptr<![[LAMBDA_TY:.*]]>, !cir.ptr<!cir.ptr<![[LAMBDA_TY]]>>, ["this", init]
// CIR: %[[LOAD_THIS:.*]] = cir.load %[[THIS]] : !cir.ptr<!cir.ptr<![[LAMBDA_TY]]>>, !cir.ptr<![[LAMBDA_TY]]>
// CIR: %[[THIRD_MEM:.*]] = cir.get_member %[[LOAD_THIS]][0] {name = "third"} : !cir.ptr<![[LAMBDA_TY]]> -> !cir.ptr<!s32i>
// CIR: %[[LOAD_THIRD:.*]] = cir.load {{.*}}%[[THIRD_MEM]] : !cir.ptr<!s32i>, !s32i
//
// LLVM-LABEL: define {{.*}}@"_ZZ6StructvENK3$_2clEv"
// LLVM: %[[THIS:.*]] = alloca ptr
// LLVM: %[[LOAD_THIS:.*]] = load ptr, ptr %[[THIS]]
// LLVM: %[[THIRD_MEM:.*]] = getelementptr inbounds nuw %{{.*}}, ptr %[[LOAD_THIS]], i32 0, i32 0
// LLVM: %[[GET_THIRD:.*]] = load i32, ptr %[[THIRD_MEM]]
[&fourth]() { return fourth;}();
// CIR-LABEL: cir.func {{.*}}@_ZZ6StructvENK3$_3clEv
// CIR: %[[THIS:.*]] = cir.alloca !cir.ptr<![[LAMBDA_TY:.*]]>, !cir.ptr<!cir.ptr<![[LAMBDA_TY]]>>, ["this", init]
// CIR: %[[LOAD_THIS:.*]] = cir.load %[[THIS]] : !cir.ptr<!cir.ptr<![[LAMBDA_TY]]>>, !cir.ptr<![[LAMBDA_TY]]>
// CIR: %[[FOURTH_MEM:.*]] = cir.get_member %[[LOAD_THIS]][0] {name = "fourth"} : !cir.ptr<![[LAMBDA_TY]]> -> !cir.ptr<!cir.ptr<!s32i>>
// CIR: %[[GET_FOURTH:.*]] = cir.load {{.*}}%[[FOURTH_MEM]] : !cir.ptr<!cir.ptr<!s32i>>, !cir.ptr<!s32i>
// CIR: %[[DEREF:.*]] = cir.load{{.*}} %[[GET_FOURTH]] : !cir.ptr<!s32i>, !s32i
//
// LLVM-LABEL: define {{.*}}@"_ZZ6StructvENK3$_3clEv"
// LLVM: %[[THIS:.*]] = alloca ptr
// LLVM: %[[LOAD_THIS:.*]] = load ptr, ptr %[[THIS]]
// LLVM: %[[FOURTH_MEM:.*]] = getelementptr inbounds nuw %{{.*}}, ptr %[[LOAD_THIS]], i32 0, i32 0
// LLVM: %[[GET_FOURTH:.*]] = load ptr, ptr %[[FOURTH_MEM]]
// LLVM: %[[DEREF:.*]] = load i32, ptr %[[GET_FOURTH]]
}
void StructNested() {
S s;
auto [first, second, third, fourth] = s;
auto outer = [&]() {
[=]() { return first;}();
// CIR-LABEL: cir.func {{.*}}@_ZZZ12StructNestedvENK3$_0clEvENKUlvE_clEv(
// CIR: %[[THIS:.*]] = cir.alloca !cir.ptr<![[LAMBDA_TY:.*]]>, !cir.ptr<!cir.ptr<![[LAMBDA_TY]]>>, ["this", init]
// CIR: %[[LOAD_THIS:.*]] = cir.load %[[THIS]] : !cir.ptr<!cir.ptr<![[LAMBDA_TY]]>>, !cir.ptr<![[LAMBDA_TY]]>
// CIR: %[[FIRST_MEM:.*]] = cir.get_member %[[LOAD_THIS]][0] {name = "first"} : !cir.ptr<![[LAMBDA_TY]]> -> !cir.ptr<!s32i>
// CIR: %[[LOAD_FIRST:.*]] = cir.load {{.*}}%[[FIRST_MEM]] : !cir.ptr<!s32i>, !s32i
//
// LLVM-LABEL: define {{.*}}@"_ZZZ12StructNestedvENK3$_0clEvENKUlvE_clEv"
// LLVM: %[[THIS:.*]] = alloca ptr
// LLVM: %[[LOAD_THIS:.*]] = load ptr, ptr %[[THIS]]
// LLVM: %[[FIRST_MEM:.*]] = getelementptr inbounds nuw %{{.*}}, ptr %[[LOAD_THIS]], i32 0, i32 0
// LLVM: %[[GET_FIRST:.*]] = load i32, ptr %[[FIRST_MEM]]
[&]() { return second;}();
// CIR-LABEL: cir.func {{.*}}@_ZZZ12StructNestedvENK3$_0clEvENKUlvE0_clEv(
// CIR: %[[THIS:.*]] = cir.alloca !cir.ptr<![[LAMBDA_TY:.*]]>, !cir.ptr<!cir.ptr<![[LAMBDA_TY]]>>, ["this", init]
// CIR: %[[LOAD_THIS:.*]] = cir.load %[[THIS]] : !cir.ptr<!cir.ptr<![[LAMBDA_TY]]>>, !cir.ptr<![[LAMBDA_TY]]>
// CIR: %[[SECOND_MEM:.*]] = cir.get_member %[[LOAD_THIS]][0] {name = "second"} : !cir.ptr<![[LAMBDA_TY]]> -> !cir.ptr<!cir.ptr<!s32i>>
// CIR: %[[GET_SECOND:.*]] = cir.load {{.*}}%[[SECOND_MEM]] : !cir.ptr<!cir.ptr<!s32i>>, !cir.ptr<!s32i>
// CIR: %[[DEREF:.*]] = cir.load{{.*}} %[[GET_SECOND]] : !cir.ptr<!s32i>, !s32i
//
// LLVM-LABEL: define {{.*}}@"_ZZZ12StructNestedvENK3$_0clEvENKUlvE0_clEv"
// LLVM: %[[THIS:.*]] = alloca ptr
// LLVM: %[[LOAD_THIS:.*]] = load ptr, ptr %[[THIS]]
// LLVM: %[[SECOND_MEM:.*]] = getelementptr inbounds nuw %{{.*}}, ptr %[[LOAD_THIS]], i32 0, i32 0
// LLVM: %[[GET_SECOND:.*]] = load ptr, ptr %[[SECOND_MEM]]
// LLVM: %[[DEREF:.*]] = load i32, ptr %[[GET_SECOND]]
[third]() { return third;}();
// CIR-LABEL: cir.func {{.*}}@_ZZZ12StructNestedvENK3$_0clEvENKUlvE1_clEv(
// CIR: %[[THIS:.*]] = cir.alloca !cir.ptr<![[LAMBDA_TY:.*]]>, !cir.ptr<!cir.ptr<![[LAMBDA_TY]]>>, ["this", init]
// CIR: %[[LOAD_THIS:.*]] = cir.load %[[THIS]] : !cir.ptr<!cir.ptr<![[LAMBDA_TY]]>>, !cir.ptr<![[LAMBDA_TY]]>
// CIR: %[[THIRD_MEM:.*]] = cir.get_member %[[LOAD_THIS]][0] {name = "third"} : !cir.ptr<![[LAMBDA_TY]]> -> !cir.ptr<!s32i>
// CIR: %[[LOAD_THIRD:.*]] = cir.load {{.*}}%[[THIRD_MEM]] : !cir.ptr<!s32i>, !s32i
//
// LLVM-LABEL: define {{.*}}@"_ZZZ12StructNestedvENK3$_0clEvENKUlvE1_clEv"
// LLVM: %[[THIS:.*]] = alloca ptr
// LLVM: %[[LOAD_THIS:.*]] = load ptr, ptr %[[THIS]]
// LLVM: %[[THIRD_MEM:.*]] = getelementptr inbounds nuw %{{.*}}, ptr %[[LOAD_THIS]], i32 0, i32 0
// LLVM: %[[GET_THIRD:.*]] = load i32, ptr %[[THIRD_MEM]]
[&fourth]() { return fourth;}();
// CIR-LABEL: cir.func {{.*}}@_ZZZ12StructNestedvENK3$_0clEvENKUlvE2_clEv(
// CIR: %[[THIS:.*]] = cir.alloca !cir.ptr<![[LAMBDA_TY:.*]]>, !cir.ptr<!cir.ptr<![[LAMBDA_TY]]>>, ["this", init]
// CIR: %[[LOAD_THIS:.*]] = cir.load %[[THIS]] : !cir.ptr<!cir.ptr<![[LAMBDA_TY]]>>, !cir.ptr<![[LAMBDA_TY]]>
// CIR: %[[FOURTH_MEM:.*]] = cir.get_member %[[LOAD_THIS]][0] {name = "fourth"} : !cir.ptr<![[LAMBDA_TY]]> -> !cir.ptr<!cir.ptr<!s32i>>
// CIR: %[[GET_FOURTH:.*]] = cir.load {{.*}}%[[FOURTH_MEM]] : !cir.ptr<!cir.ptr<!s32i>>, !cir.ptr<!s32i>
// CIR: %[[DEREF:.*]] = cir.load{{.*}} %[[GET_FOURTH]] : !cir.ptr<!s32i>, !s32i
//
// LLVM-LABEL: define {{.*}}@"_ZZZ12StructNestedvENK3$_0clEvENKUlvE2_clEv"
// LLVM: %[[THIS:.*]] = alloca ptr
// LLVM: %[[LOAD_THIS:.*]] = load ptr, ptr %[[THIS]]
// LLVM: %[[FOURTH_MEM:.*]] = getelementptr inbounds nuw %{{.*}}, ptr %[[LOAD_THIS]], i32 0, i32 0
// LLVM: %[[GET_FOURTH:.*]] = load ptr, ptr %[[FOURTH_MEM]]
// LLVM: %[[DEREF:.*]] = load i32, ptr %[[GET_FOURTH]]
};
outer();
}