| // RUN: %clang_cc1 -triple x86_64-apple-darwin %s -emit-llvm -o - | FileCheck %s |
| |
| // rdar://problem/9506377 |
| void test0(void *array, int n) { |
| // CHECK: define void @_Z5test0Pvi( |
| // CHECK: [[ARRAY:%.*]] = alloca i8*, align 8 |
| // CHECK-NEXT: [[N:%.*]] = alloca i32, align 4 |
| // CHECK-NEXT: [[REF:%.*]] = alloca i16*, align 8 |
| // CHECK-NEXT: [[S:%.*]] = alloca i16, align 2 |
| // CHECK-NEXT: store i8* |
| // CHECK-NEXT: store i32 |
| |
| // Capture the bounds. |
| // CHECK-NEXT: [[T0:%.*]] = load i32* [[N]], align 4 |
| // CHECK-NEXT: [[DIM0:%.*]] = zext i32 [[T0]] to i64 |
| // CHECK-NEXT: [[T0:%.*]] = load i32* [[N]], align 4 |
| // CHECK-NEXT: [[T1:%.*]] = add nsw i32 [[T0]], 1 |
| // CHECK-NEXT: [[DIM1:%.*]] = zext i32 [[T1]] to i64 |
| typedef short array_t[n][n+1]; |
| |
| // CHECK-NEXT: [[T0:%.*]] = load i8** [[ARRAY]], align 8 |
| // CHECK-NEXT: [[T1:%.*]] = bitcast i8* [[T0]] to i16* |
| // CHECK-NEXT: store i16* [[T1]], i16** [[REF]], align 8 |
| array_t &ref = *(array_t*) array; |
| |
| // CHECK-NEXT: [[T0:%.*]] = load i16** [[REF]] |
| // CHECK-NEXT: [[T1:%.*]] = mul nsw i64 1, [[DIM1]] |
| // CHECK-NEXT: [[T2:%.*]] = getelementptr inbounds i16* [[T0]], i64 [[T1]] |
| // CHECK-NEXT: [[T3:%.*]] = getelementptr inbounds i16* [[T2]], i64 2 |
| // CHECK-NEXT: store i16 3, i16* [[T3]] |
| ref[1][2] = 3; |
| |
| // CHECK-NEXT: [[T0:%.*]] = load i16** [[REF]] |
| // CHECK-NEXT: [[T1:%.*]] = mul nsw i64 4, [[DIM1]] |
| // CHECK-NEXT: [[T2:%.*]] = getelementptr inbounds i16* [[T0]], i64 [[T1]] |
| // CHECK-NEXT: [[T3:%.*]] = getelementptr inbounds i16* [[T2]], i64 5 |
| // CHECK-NEXT: [[T4:%.*]] = load i16* [[T3]] |
| // CHECK-NEXT: store i16 [[T4]], i16* [[S]], align 2 |
| short s = ref[4][5]; |
| |
| // CHECK-NEXT: ret void |
| } |
| |
