| Justin Bogner | 191ec63 | 2014-04-11 23:06:35 +0000 | [diff] [blame] | 1 | // Tests for instrumentation of C++11 lambdas |
| 2 | |
| 3 | // RUN: %clang_cc1 -x c++ %s -triple %itanium_abi_triple -main-file-name cxx-lambda.cpp -std=c++11 -o - -emit-llvm -fprofile-instr-generate > %tgen |
| 4 | // RUN: FileCheck --input-file=%tgen -check-prefix=PGOGEN %s |
| 5 | // RUN: FileCheck --input-file=%tgen -check-prefix=LMBGEN %s |
| 6 | |
| 7 | // RUN: %clang_cc1 -x c++ %s -triple %itanium_abi_triple -main-file-name cxx-lambda.cpp -std=c++11 -o - -emit-llvm -fprofile-instr-use=%S/Inputs/cxx-lambda.profdata > %tuse |
| 8 | // RUN: FileCheck --input-file=%tuse -check-prefix=PGOUSE %s |
| 9 | // RUN: FileCheck --input-file=%tuse -check-prefix=LMBUSE %s |
| 10 | |
| 11 | // PGOGEN: @[[LWC:__llvm_profile_counters__Z7lambdasv]] = global [4 x i64] zeroinitializer |
| 12 | // PGOGEN: @[[MAC:__llvm_profile_counters_main]] = global [1 x i64] zeroinitializer |
| 13 | // LMBGEN: @[[LFC:"__llvm_profile_counters__ZZ7lambdasvENK3\$_0clEi"]] = internal global [3 x i64] zeroinitializer |
| 14 | |
| 15 | // PGOGEN-LABEL: define void @_Z7lambdasv() |
| 16 | // PGOUSE-LABEL: define void @_Z7lambdasv() |
| 17 | // PGOGEN: store {{.*}} @[[LWC]], i64 0, i64 0 |
| 18 | void lambdas() { |
| 19 | int i = 1; |
| 20 | |
| Keith Walker | 8ff56f6 | 2014-04-17 13:04:53 +0000 | [diff] [blame] | 21 | // LMBGEN-LABEL: define internal{{( zeroext)?}} i1 @"_ZZ7lambdasvENK3$_0clEi"( |
| 22 | // LMBUSE-LABEL: define internal{{( zeroext)?}} i1 @"_ZZ7lambdasvENK3$_0clEi"( |
| Justin Bogner | 191ec63 | 2014-04-11 23:06:35 +0000 | [diff] [blame] | 23 | // LMBGEN: store {{.*}} @[[LFC]], i64 0, i64 0 |
| 24 | auto f = [&i](int k) { |
| 25 | // LMBGEN: store {{.*}} @[[LFC]], i64 0, i64 1 |
| 26 | // LMBUSE: br {{.*}} !prof ![[LF1:[0-9]+]] |
| 27 | if (i > 0) {} |
| 28 | // LMBGEN: store {{.*}} @[[LFC]], i64 0, i64 2 |
| 29 | // LMBUSE: br {{.*}} !prof ![[LF2:[0-9]+]] |
| 30 | return k && i; |
| 31 | }; |
| 32 | |
| 33 | // PGOGEN: store {{.*}} @[[LWC]], i64 0, i64 1 |
| 34 | // PGOUSE: br {{.*}} !prof ![[LW1:[0-9]+]] |
| 35 | if (i) {} |
| 36 | |
| 37 | // PGOGEN: store {{.*}} @[[LWC]], i64 0, i64 2 |
| 38 | // PGOUSE: br {{.*}} !prof ![[LW2:[0-9]+]] |
| 39 | for (i = 0; i < 10; ++i) |
| 40 | f(9 - i); |
| 41 | |
| 42 | // PGOGEN: store {{.*}} @[[LWC]], i64 0, i64 3 |
| 43 | // PGOUSE: br {{.*}} !prof ![[LW3:[0-9]+]] |
| 44 | if (i) {} |
| 45 | } |
| 46 | |
| 47 | // PGOUSE-DAG: ![[LW1]] = metadata !{metadata !"branch_weights", i32 2, i32 1} |
| 48 | // PGOUSE-DAG: ![[LW2]] = metadata !{metadata !"branch_weights", i32 11, i32 2} |
| 49 | // PGOUSE-DAG: ![[LW3]] = metadata !{metadata !"branch_weights", i32 2, i32 1} |
| 50 | |
| 51 | // LMBUSE-DAG: ![[LF1]] = metadata !{metadata !"branch_weights", i32 10, i32 2} |
| 52 | // LMBUSE-DAG: ![[LF2]] = metadata !{metadata !"branch_weights", i32 10, i32 2} |
| 53 | |
| 54 | int main(int argc, const char *argv[]) { |
| 55 | lambdas(); |
| 56 | return 0; |
| 57 | } |