| Ben Langmuir | 524387a | 2013-05-09 19:17:11 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -emit-llvm %s -o %t |
| 2 | // RUN: FileCheck %s -input-file=%t -check-prefix=CHECK-GLOBALS |
| 3 | // RUN: FileCheck %s -input-file=%t -check-prefix=CHECK-1 |
| 4 | // RUN: FileCheck %s -input-file=%t -check-prefix=CHECK-2 |
| 5 | // RUN: FileCheck %s -input-file=%t -check-prefix=CHECK-3 |
| 6 | |
| 7 | int foo(); |
| 8 | int global; |
| 9 | |
| 10 | // Single statement |
| 11 | void test1() { |
| 12 | int i = 0; |
| 13 | #pragma clang __debug captured |
| 14 | { |
| 15 | i++; |
| 16 | } |
| 17 | // CHECK-1: %struct.anon = type { i32* } |
| 18 | // |
| 19 | // CHECK-1: test1 |
| 20 | // CHECK-1: alloca %struct.anon |
| 21 | // CHECK-1: getelementptr inbounds %struct.anon* |
| 22 | // CHECK-1: store i32* %i |
| 23 | // CHECK-1: call void @[[HelperName:__captured_stmt[0-9]+]] |
| 24 | } |
| 25 | |
| 26 | // CHECK-1: define internal void @[[HelperName]](%struct.anon |
| 27 | // CHECK-1: getelementptr inbounds %struct.anon{{.*}}, i32 0, i32 0 |
| 28 | // CHECK-1: load i32** |
| 29 | // CHECK-1: load i32* |
| 30 | // CHECK-1: add nsw i32 |
| 31 | // CHECK-1: store i32 |
| 32 | |
| 33 | // Compound statement with local variable |
| 34 | void test2(int x) { |
| 35 | #pragma clang __debug captured |
| 36 | { |
| 37 | int i; |
| 38 | for (i = 0; i < x; i++) |
| 39 | foo(); |
| 40 | } |
| 41 | // CHECK-2: test2 |
| 42 | // CHECK-2-NOT: %i |
| 43 | // CHECK-2: call void @[[HelperName:__captured_stmt[0-9]+]] |
| 44 | } |
| 45 | |
| 46 | // CHECK-2: define internal void @[[HelperName]] |
| 47 | // CHECK-2-NOT: } |
| 48 | // CHECK-2: %i = alloca i32 |
| 49 | |
| 50 | // Capture array |
| 51 | void test3() { |
| 52 | int arr[] = {1, 2, 3, 4, 5}; |
| 53 | #pragma clang __debug captured |
| 54 | { |
| 55 | arr[2] = arr[1]; |
| 56 | } |
| 57 | // CHECK-3: test3 |
| 58 | // CHECK-3: alloca [5 x i32] |
| 59 | // CHECK-3: call void @__captured_stmt |
| 60 | } |
| 61 | |
| 62 | void dont_capture_global() { |
| 63 | static int s; |
| 64 | extern int e; |
| 65 | #pragma clang __debug captured |
| 66 | { |
| 67 | global++; |
| 68 | s++; |
| 69 | e++; |
| 70 | } |
| 71 | |
| 72 | // CHECK-GLOBALS: %[[Capture:struct\.anon[\.0-9]*]] = type {} |
| 73 | // CHECK-GLOBALS: call void @__captured_stmt[[HelperName:[0-9]+]](%[[Capture]] |
| 74 | } |
| 75 | |
| 76 | // CHECK-GLOBALS: define internal void @__captured_stmt[[HelperName]] |
| 77 | // CHECK-GLOBALS-NOT: ret |
| 78 | // CHECK-GLOBALS: load i32* @global |
| 79 | // CHECK-GLOBALS: load i32* @ |
| 80 | // CHECK-GLOBALS: load i32* @e |