8a5d363123
This implements support for structured bindings on a function scope level. It does not add support for global structured bindings.
56 lines
3.0 KiB
C++
56 lines
3.0 KiB
C++
// RUN: %clang_cc1 -std=c++17 -triple x86_64-pc-linux-gnu -fclangir -emit-cir %s -o %t.cir
|
|
// RUN: FileCheck --check-prefix=CIR --input-file=%t.cir %s
|
|
// RUN: %clang_cc1 -std=c++17 -triple x86_64-pc-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++17 -triple x86_64-pc-linux-gnu -emit-llvm %s -o %t.ll
|
|
// RUN: FileCheck --check-prefix=OGCG --input-file=%t.ll %s
|
|
|
|
struct some_struct {
|
|
int a;
|
|
float b;
|
|
};
|
|
|
|
float function() {
|
|
auto[a, b] = some_struct{1, 2.f};
|
|
|
|
return a + b;
|
|
}
|
|
|
|
// CIR-LABEL: cir.func dso_local @_Z8functionv() -> !cir.float
|
|
// CIR: %[[RETVAL:.+]] = cir.alloca !cir.float, !cir.ptr<!cir.float>, ["__retval"]
|
|
// CIR: %[[STRUCT:.+]] = cir.alloca !rec_some_struct, !cir.ptr<!rec_some_struct>, [""]
|
|
// CIR: %[[MEMBER_A:.+]] = cir.get_member %[[STRUCT]][0] {name = "a"} : !cir.ptr<!rec_some_struct> -> !cir.ptr<!s32i>
|
|
// CIR: %[[LOAD_A:.+]] = cir.load align(4) %[[MEMBER_A]] : !cir.ptr<!s32i>, !s32i
|
|
// CIR: %[[CAST_A:.+]] = cir.cast(int_to_float, %[[LOAD_A]] : !s32i), !cir.float
|
|
// CIR: %[[MEMBER_B:.+]] = cir.get_member %[[STRUCT]][1] {name = "b"} : !cir.ptr<!rec_some_struct> -> !cir.ptr<!cir.float>
|
|
// CIR: %[[LOAD_B:.+]] = cir.load align(4) %[[MEMBER_B]] : !cir.ptr<!cir.float>, !cir.float
|
|
// CIR: %[[ADD:.+]] = cir.binop(add, %[[CAST_A]], %[[LOAD_B]]) : !cir.float
|
|
// CIR: cir.store %[[ADD]], %[[RETVAL]] : !cir.float, !cir.ptr<!cir.float>
|
|
// CIR: %[[RET:.+]] = cir.load %[[RETVAL]] : !cir.ptr<!cir.float>, !cir.float
|
|
// CIR: cir.return %[[RET]] : !cir.float
|
|
|
|
// LLVM-LABEL: define dso_local float @_Z8functionv()
|
|
// LLVM: %[[RETVAL:.+]] = alloca float, i64 1
|
|
// LLVM: %[[STRUCT:.+]] = alloca %struct.some_struct, i64 1
|
|
// LLVM: %[[GEP_A:.+]] = getelementptr %struct.some_struct, ptr %[[STRUCT]], i32 0, i32 0
|
|
// LLVM: %[[LOAD_A:.+]] = load i32, ptr %[[GEP_A]]
|
|
// LLVM: %[[CAST_A:.+]] = sitofp i32 %[[LOAD_A]] to float
|
|
// LLVM: %[[GEP_B:.+]] = getelementptr %struct.some_struct, ptr %[[STRUCT]], i32 0, i32 1
|
|
// LLVM: %[[LOAD_B:.+]] = load float, ptr %[[GEP_B]]
|
|
// LLVM: %[[ADD:.+]] = fadd float %[[CAST_A]], %[[LOAD_B]]
|
|
// LLVM: store float %[[ADD]], ptr %[[RETVAL]]
|
|
// LLVM: %[[RET:.+]] = load float, ptr %[[RETVAL]]
|
|
// LLVM: ret float %[[RET]]
|
|
|
|
// OGCG: @__const._Z8functionv.{{.*}} = private unnamed_addr constant %struct.some_struct { i32 1, float 2.000000e+00 }
|
|
// OGCG-LABEL: define dso_local noundef float @_Z8functionv()
|
|
// OGCG: %[[STRUCT:.+]] = alloca %struct.some_struct
|
|
// OGCG: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %[[STRUCT]], ptr align 4 @__const._Z8functionv.{{.*}}, i64 8, i1 false)
|
|
// OGCG: %[[GEP_A:.+]] = getelementptr inbounds nuw %struct.some_struct, ptr %[[STRUCT]], i32 0, i32 0
|
|
// OGCG: %[[LOAD_A:.+]] = load i32, ptr %[[GEP_A]]
|
|
// OGCG: %[[CAST_A:.+]] = sitofp i32 %[[LOAD_A]] to float
|
|
// OGCG: %[[GEP_B:.+]] = getelementptr inbounds nuw %struct.some_struct, ptr %[[STRUCT]], i32 0, i32 1
|
|
// OGCG: %[[LOAD_B:.+]] = load float, ptr %[[GEP_B]]
|
|
// OGCG: %[[ADD:.+]] = fadd float %[[CAST_A]], %[[LOAD_B]]
|
|
// OGCG: ret float %[[ADD]]
|