1// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --check-attributes
2// RUN: %clang_cc1 -triple=x86_64-unknown-linux-gnu -emit-llvm -o - %s | FileCheck %s
3struct RT {
4  char A;
5  int B[10][20];
6  char C;
7};
8struct ST {
9  int X;
10  double Y;
11  struct RT Z;
12};
13
14// CHECK: Function Attrs: mustprogress noinline nounwind optnone
15// CHECK-LABEL: @_Z3fooP2ST(
16// CHECK-NEXT:  entry:
17// CHECK-NEXT:    [[S_ADDR:%.*]] = alloca ptr, align 8
18// CHECK-NEXT:    store ptr [[S:%.*]], ptr [[S_ADDR]], align 8
19// CHECK-NEXT:    [[TMP0:%.*]] = load ptr, ptr [[S_ADDR]], align 8
20// CHECK-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds [[STRUCT_ST:%.*]], ptr [[TMP0]], i64 1
21// CHECK-NEXT:    [[Z:%.*]] = getelementptr inbounds nuw [[STRUCT_ST]], ptr [[ARRAYIDX]], i32 0, i32 2
22// CHECK-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_RT:%.*]], ptr [[Z]], i32 0, i32 1
23// CHECK-NEXT:    [[ARRAYIDX1:%.*]] = getelementptr inbounds [10 x [20 x i32]], ptr [[B]], i64 0, i64 5
24// CHECK-NEXT:    [[ARRAYIDX2:%.*]] = getelementptr inbounds [20 x i32], ptr [[ARRAYIDX1]], i64 0, i64 13
25// CHECK-NEXT:    ret ptr [[ARRAYIDX2]]
26//
27int *foo(struct ST *s) {
28  return &s[1].Z.B[5][13];
29}
30