| // RUN: %clang_cc1 -std=c++17 -triple x86_64-linux-gnu -emit-llvm -o - %s | FileCheck %s | |
| int a[1]; | |
| // CHECK: @a = global [1 x i32] zeroinitializer | |
| template <int> | |
| void test_transform() { | |
| auto [b] = a; | |
| } | |
| void (*d)(){test_transform<0>}; | |
| // CHECK-LABEL: define {{.*}} @_Z14test_transformILi0EEvv | |
| // CHECK: [[ENTRY:.*]]: | |
| // CHECK-NEXT: [[ARR:%.*]] = alloca [1 x i32] | |
| // CHECK-NEXT: [[BEGIN:%.*]] = getelementptr inbounds [1 x i32], ptr [[ARR]], i64 0, i64 0 | |
| // CHECK-NEXT: br label %[[BODY:.*]] | |
| // CHECK-EMPTY: | |
| // CHECK-NEXT: [[BODY]]: | |
| // CHECK-NEXT: [[CUR:%.*]] = phi i64 [ 0, %[[ENTRY]] ], [ [[NEXT:%.*]], %[[BODY]] ] | |
| // CHECK-NEXT: [[DEST:%.*]] = getelementptr inbounds i32, ptr [[BEGIN]], i64 [[CUR]] | |
| // CHECK-NEXT: [[SRC:%.*]] = getelementptr inbounds nuw [1 x i32], ptr @a, i64 0, i64 [[CUR]] | |
| // CHECK-NEXT: [[X:%.*]] = load i32, ptr [[SRC]] | |
| // CHECK-NEXT: store i32 [[X]], ptr [[DEST]] | |
| // CHECK-NEXT: [[NEXT]] = add nuw i64 [[CUR]], 1 | |
| // CHECK-NEXT: [[EQ:%.*]] = icmp eq i64 [[NEXT]], 1 | |
| // CHECK-NEXT: br i1 [[EQ]], label %[[FIN:.*]], label %[[BODY]] | |
| // CHECK-EMPTY: | |
| // CHECK-NEXT: [[FIN]]: | |
| // CHECK-NEXT: ret void |