1// RUN: %clang_cc1 -triple x86_64-apple-darwin %s -emit-llvm -o - | FileCheck %s
2
3// rdar://problem/9506377
4void test0(void *array, int n) {
5  // CHECK: define void @_Z5test0Pvi(
6  // CHECK:      [[ARRAY:%.*]] = alloca i8*, align 8
7  // CHECK-NEXT: [[N:%.*]] = alloca i32, align 4
8  // CHECK-NEXT: [[REF:%.*]] = alloca i16*, align 8
9  // CHECK-NEXT: [[S:%.*]] = alloca i16, align 2
10  // CHECK-NEXT: store i8*
11  // CHECK-NEXT: store i32
12
13  // Capture the bounds.
14  // CHECK-NEXT: [[T0:%.*]] = load i32* [[N]], align 4
15  // CHECK-NEXT: [[DIM0:%.*]] = zext i32 [[T0]] to i64
16  // CHECK-NEXT: [[T0:%.*]] = load i32* [[N]], align 4
17  // CHECK-NEXT: [[T1:%.*]] = add nsw i32 [[T0]], 1
18  // CHECK-NEXT: [[DIM1:%.*]] = zext i32 [[T1]] to i64
19  typedef short array_t[n][n+1];
20
21  // CHECK-NEXT: [[T0:%.*]] = load i8** [[ARRAY]], align 8
22  // CHECK-NEXT: [[T1:%.*]] = bitcast i8* [[T0]] to i16*
23  // CHECK-NEXT: store i16* [[T1]], i16** [[REF]], align 8
24  array_t &ref = *(array_t*) array;
25
26  // CHECK-NEXT: [[T0:%.*]] = load i16** [[REF]]
27  // CHECK-NEXT: [[T1:%.*]] = mul nsw i64 1, [[DIM1]]
28  // CHECK-NEXT: [[T2:%.*]] = getelementptr inbounds i16* [[T0]], i64 [[T1]]
29  // CHECK-NEXT: [[T3:%.*]] = getelementptr inbounds i16* [[T2]], i64 2
30  // CHECK-NEXT: store i16 3, i16* [[T3]]
31  ref[1][2] = 3;
32
33  // CHECK-NEXT: [[T0:%.*]] = load i16** [[REF]]
34  // CHECK-NEXT: [[T1:%.*]] = mul nsw i64 4, [[DIM1]]
35  // CHECK-NEXT: [[T2:%.*]] = getelementptr inbounds i16* [[T0]], i64 [[T1]]
36  // CHECK-NEXT: [[T3:%.*]] = getelementptr inbounds i16* [[T2]], i64 5
37  // CHECK-NEXT: [[T4:%.*]] = load i16* [[T3]]
38  // CHECK-NEXT: store i16 [[T4]], i16* [[S]], align 2
39  short s = ref[4][5];
40
41  // CHECK-NEXT: ret void
42}
43
44