John McCall | bc8d40d | 2011-06-24 21:55:10 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -triple x86_64-apple-darwin %s -emit-llvm -o - | FileCheck %s |
| 2 | |
Richard Smith | f6702a3 | 2011-12-20 02:08:33 +0000 | [diff] [blame] | 3 | template<typename T> |
| 4 | struct S { |
| 5 | static int n; |
| 6 | }; |
| 7 | template<typename T> int S<T>::n = 5; |
| 8 | |
| 9 | int f() { |
| 10 | // Make sure that the reference here is enough to trigger the instantiation of |
| 11 | // the static data member. |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 12 | // CHECK: @_ZN1SIiE1nE = linkonce_odr global i32 5 |
Richard Smith | f6702a3 | 2011-12-20 02:08:33 +0000 | [diff] [blame] | 13 | int a[S<int>::n]; |
| 14 | return sizeof a; |
| 15 | } |
| 16 | |
John McCall | bc8d40d | 2011-06-24 21:55:10 +0000 | [diff] [blame] | 17 | // rdar://problem/9506377 |
| 18 | void test0(void *array, int n) { |
Stephen Lin | 93ab6bf | 2013-08-15 06:47:53 +0000 | [diff] [blame] | 19 | // CHECK-LABEL: define void @_Z5test0Pvi( |
John McCall | bc8d40d | 2011-06-24 21:55:10 +0000 | [diff] [blame] | 20 | // CHECK: [[ARRAY:%.*]] = alloca i8*, align 8 |
| 21 | // CHECK-NEXT: [[N:%.*]] = alloca i32, align 4 |
| 22 | // CHECK-NEXT: [[REF:%.*]] = alloca i16*, align 8 |
| 23 | // CHECK-NEXT: [[S:%.*]] = alloca i16, align 2 |
| 24 | // CHECK-NEXT: store i8* |
| 25 | // CHECK-NEXT: store i32 |
| 26 | |
| 27 | // Capture the bounds. |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 28 | // CHECK-NEXT: [[T0:%.*]] = load i32, i32* [[N]], align 4 |
John McCall | bc8d40d | 2011-06-24 21:55:10 +0000 | [diff] [blame] | 29 | // CHECK-NEXT: [[DIM0:%.*]] = zext i32 [[T0]] to i64 |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 30 | // CHECK-NEXT: [[T0:%.*]] = load i32, i32* [[N]], align 4 |
John McCall | bc8d40d | 2011-06-24 21:55:10 +0000 | [diff] [blame] | 31 | // CHECK-NEXT: [[T1:%.*]] = add nsw i32 [[T0]], 1 |
| 32 | // CHECK-NEXT: [[DIM1:%.*]] = zext i32 [[T1]] to i64 |
| 33 | typedef short array_t[n][n+1]; |
| 34 | |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 35 | // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[ARRAY]], align 8 |
John McCall | bc8d40d | 2011-06-24 21:55:10 +0000 | [diff] [blame] | 36 | // CHECK-NEXT: [[T1:%.*]] = bitcast i8* [[T0]] to i16* |
| 37 | // CHECK-NEXT: store i16* [[T1]], i16** [[REF]], align 8 |
| 38 | array_t &ref = *(array_t*) array; |
| 39 | |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 40 | // CHECK-NEXT: [[T0:%.*]] = load i16*, i16** [[REF]] |
John McCall | 913dab2 | 2011-06-25 01:32:37 +0000 | [diff] [blame] | 41 | // CHECK-NEXT: [[T1:%.*]] = mul nsw i64 1, [[DIM1]] |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 42 | // CHECK-NEXT: [[T2:%.*]] = getelementptr inbounds i16, i16* [[T0]], i64 [[T1]] |
| 43 | // CHECK-NEXT: [[T3:%.*]] = getelementptr inbounds i16, i16* [[T2]], i64 2 |
John McCall | bc8d40d | 2011-06-24 21:55:10 +0000 | [diff] [blame] | 44 | // CHECK-NEXT: store i16 3, i16* [[T3]] |
| 45 | ref[1][2] = 3; |
| 46 | |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 47 | // CHECK-NEXT: [[T0:%.*]] = load i16*, i16** [[REF]] |
John McCall | 913dab2 | 2011-06-25 01:32:37 +0000 | [diff] [blame] | 48 | // CHECK-NEXT: [[T1:%.*]] = mul nsw i64 4, [[DIM1]] |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 49 | // CHECK-NEXT: [[T2:%.*]] = getelementptr inbounds i16, i16* [[T0]], i64 [[T1]] |
| 50 | // CHECK-NEXT: [[T3:%.*]] = getelementptr inbounds i16, i16* [[T2]], i64 5 |
| 51 | // CHECK-NEXT: [[T4:%.*]] = load i16, i16* [[T3]] |
John McCall | bc8d40d | 2011-06-24 21:55:10 +0000 | [diff] [blame] | 52 | // CHECK-NEXT: store i16 [[T4]], i16* [[S]], align 2 |
| 53 | short s = ref[4][5]; |
| 54 | |
| 55 | // CHECK-NEXT: ret void |
| 56 | } |