1*b5aef90dSJason Rice // RUN: %clang_cc1 -std=c++17 -triple x86_64-linux-gnu -emit-llvm -o - %s | FileCheck %s 2*b5aef90dSJason Rice 3*b5aef90dSJason Rice int a[1]; 4*b5aef90dSJason Rice // CHECK: @a = global [1 x i32] zeroinitializer 5*b5aef90dSJason Rice template <int> 6*b5aef90dSJason Rice void test_transform() { 7*b5aef90dSJason Rice auto [b] = a; 8*b5aef90dSJason Rice } 9*b5aef90dSJason Rice void (*d)(){test_transform<0>}; 10*b5aef90dSJason Rice // CHECK-LABEL: define {{.*}} @_Z14test_transformILi0EEvv 11*b5aef90dSJason Rice // CHECK: [[ENTRY:.*]]: 12*b5aef90dSJason Rice // CHECK-NEXT: [[ARR:%.*]] = alloca [1 x i32] 13*b5aef90dSJason Rice // CHECK-NEXT: [[BEGIN:%.*]] = getelementptr inbounds [1 x i32], [1 x i32]* [[ARR]], i64 0, i64 0 14*b5aef90dSJason Rice // CHECK-NEXT: br label %[[BODY:.*]] 15*b5aef90dSJason Rice // CHECK-EMPTY: 16*b5aef90dSJason Rice // CHECK-NEXT: [[BODY]]: 17*b5aef90dSJason Rice // CHECK-NEXT: [[CUR:%.*]] = phi i64 [ 0, %[[ENTRY]] ], [ [[NEXT:%.*]], %[[BODY]] ] 18*b5aef90dSJason Rice // CHECK-NEXT: [[DEST:%.*]] = getelementptr inbounds i32, i32* [[BEGIN]], i64 [[CUR]] 19*b5aef90dSJason Rice // CHECK-NEXT: [[SRC:%.*]] = getelementptr inbounds [1 x i32], [1 x i32]* @a, i64 0, i64 [[CUR]] 20*b5aef90dSJason Rice // CHECK-NEXT: [[X:%.*]] = load i32, i32* [[SRC]] 21*b5aef90dSJason Rice // CHECK-NEXT: store i32 [[X]], i32* [[DEST]] 22*b5aef90dSJason Rice // CHECK-NEXT: [[NEXT]] = add nuw i64 [[CUR]], 1 23*b5aef90dSJason Rice // CHECK-NEXT: [[EQ:%.*]] = icmp eq i64 [[NEXT]], 1 24*b5aef90dSJason Rice // CHECK-NEXT: br i1 [[EQ]], label %[[FIN:.*]], label %[[BODY]] 25*b5aef90dSJason Rice // CHECK-EMPTY: 26*b5aef90dSJason Rice // CHECK-NEXT: [[FIN]]: 27*b5aef90dSJason Rice // CHECK-NEXT: ret void 28