clang/test/PCH/cxx_paren_init.cpp

   1 // RUN: %clang_cc1 -x c++ -std=c++20 -triple x86_64-unknown-linux-gnu -emit-pch -o %t %S/cxx_paren_init.h
   2 // RUN: %clang_cc1 -x c++ -std=c++20 -triple x86_64-unknown-linux-gnu -include-pch %t %s -S -emit-llvm -o - | FileCheck %s
   3
   4 // CHECK-DAG: [[STRUCT_S:%.*]] = type { i32, i32 }
   5 // CHECK-DAG: @{{.*s.*}} = {{(dso_local )?}}global [[STRUCT_S]] { i32 1, i32 2 }, align 4
   6 S s = foo(1, 2);
   7
   8 // CHECK-DAG: [[UNION_U:%.*]] = type { i32 }
   9 // CHECK-DAG: @{{.*u.*}} = {{(dso_local )?}}global [[UNION_U]] { i32 3 }, align 4
  10 U u = baz(3);
  11
  12 // CHECK: define dso_local void @{{.*bar.*}}
  13 // CHECK-NEXT: entry:
  14 // CHECK-NEXT: [[I_ADDR:%.*]] = alloca i32, align 4
  15 // CHECK-NEXT: [[J_ADDR:%.*]] = alloca i32, align 4
  16 // CHECK-NEXT: [[ARR:%.*]] = alloca [4 x i32], align 16
  17 // CHECK-NEXT: store i32 [[A:%.*]], ptr [[I_ADDR]], align 4
  18 // CHECK-NEXT: store i32 [[B:%.*]], ptr [[J_ADDR]], align 4
  19 // CHECK-NEXT: [[ARRINIT_BEGIN:%.*]] = getelementptr inbounds [4 x i32], ptr [[ARR]], i64 0, i64 0
  20 // CHECK-NEXT: [[TMP_0:%.*]] = load i32, ptr [[I_ADDR]], align 4
  21 // CHECK-NEXT: store i32 [[TMP_0]], ptr [[ARRINIT_BEGIN]], align 4
  22 // CHECK-NEXT: [[ARRINIT_ELEM:%.*]] = getelementptr inbounds i32, ptr [[ARRINIT_BEGIN]], i64 1
  23 // CHECK-NEXT: [[TMP_1:%.*]] = load i32, ptr [[J_ADDR]], align 4
  24 // CHECK-NEXT: store i32 [[TMP_1]], ptr [[ARRINIT_ELEM]], align 4
  25 // CHECK-NEXT: [[ARRINIT_START:%.*]] = getelementptr inbounds i32, ptr [[ARRINIT_ELEM]], i64 1
  26 // CHECK-NEXT: [[ARRINIT_END:%.*]] = getelementptr inbounds i32, ptr [[ARRINIT_BEGIN]], i64 4
  27 // CHECK-NEXT: br label [[ARRINIT_BODY:%.*]]
  28 // CHECK: [[ARRINIT_CUR:%.*]] = phi ptr [ [[ARRINIT_START]], %entry ], [ [[ARRINIT_NEXT:%.*]], [[ARRINIT_BODY]] ]
  29 // CHECK-NEXT: store i32 0, ptr [[ARRINIT_CUR]], align 4
  30 // CHECK-NEXT: [[ARRINIT_NEXT]] = getelementptr inbounds i32, ptr [[ARRINIT_CUR]], i64 1
  31 // CHECK-NEXT: [[ARRINIT_DONE:%.*]] = icmp eq ptr [[ARRINIT_NEXT]], [[ARRINIT_END:%.*]]
  32 // CHECK-NEXT: br i1 [[ARRINIT_DONE]], label [[ARRINIT_END1:%.*]], label [[ARRINIT_BODY]]
  33 // CHECK: ret void