| // Tests for instrumentation of C++11 lambdas |
| |
| // RUN: %clang_cc1 -x c++ %s -triple %itanium_abi_triple -main-file-name cxx-lambda.cpp -std=c++11 -o - -emit-llvm -fprofile-instrument=clang > %tgen |
| // RUN: FileCheck -allow-deprecated-dag-overlap --input-file=%tgen -check-prefix=PGOGEN %s |
| // RUN: FileCheck -allow-deprecated-dag-overlap --input-file=%tgen -check-prefix=LMBGEN %s |
| |
| // RUN: llvm-profdata merge %S/Inputs/cxx-lambda.proftext -o %t.profdata |
| // RUN: %clang_cc1 -x c++ %s -triple %itanium_abi_triple -main-file-name cxx-lambda.cpp -std=c++11 -o - -emit-llvm -fprofile-instrument-use-path=%t.profdata > %tuse |
| // RUN: FileCheck -allow-deprecated-dag-overlap --input-file=%tuse -check-prefix=PGOUSE %s |
| // RUN: FileCheck -allow-deprecated-dag-overlap --input-file=%tuse -check-prefix=LMBUSE %s |
| |
| // PGOGEN: @[[LWC:__profc__Z7lambdasv]] = private global [4 x i64] zeroinitializer |
| // PGOGEN: @[[MAC:__profc_main]] = private global [1 x i64] zeroinitializer |
| // LMBGEN: @[[LFC:"__profc_cxx_lambda.cpp__ZZ7lambdasvENK3\$_0clEi"]] = private global [3 x i64] zeroinitializer |
| |
| // PGOGEN-LABEL: define {{.*}}void @_Z7lambdasv() |
| // PGOUSE-LABEL: define {{.*}}void @_Z7lambdasv() |
| // PGOGEN: store {{.*}} @[[LWC]], i64 0, i64 0 |
| void lambdas() { |
| int i = 1; |
| |
| // LMBGEN-LABEL: define internal{{( [0-9_a-z]*cc)?( zeroext)?}} i1 @"_ZZ7lambdasvENK3$_0clEi"( |
| // LMBUSE-LABEL: define internal{{( [0-9_a-z]*cc)?( zeroext)?}} i1 @"_ZZ7lambdasvENK3$_0clEi"( |
| // LMBGEN: store {{.*}} @[[LFC]], i64 0, i64 0 |
| auto f = [&i](int k) { |
| // LMBGEN: store {{.*}} @[[LFC]], i64 0, i64 1 |
| // LMBUSE: br {{.*}} !prof ![[LF1:[0-9]+]] |
| if (i > 0) {} |
| // LMBGEN: store {{.*}} @[[LFC]], i64 0, i64 2 |
| // LMBUSE: br {{.*}} !prof ![[LF2:[0-9]+]] |
| return k && i; |
| }; |
| |
| // PGOGEN: store {{.*}} @[[LWC]], i64 0, i64 1 |
| // PGOUSE: br {{.*}} !prof ![[LW1:[0-9]+]] |
| if (i) {} |
| |
| // PGOGEN: store {{.*}} @[[LWC]], i64 0, i64 2 |
| // PGOUSE: br {{.*}} !prof ![[LW2:[0-9]+]] |
| for (i = 0; i < 10; ++i) |
| f(9 - i); |
| |
| // PGOGEN: store {{.*}} @[[LWC]], i64 0, i64 3 |
| // PGOUSE: br {{.*}} !prof ![[LW3:[0-9]+]] |
| if (i) {} |
| } |
| |
| // PGOUSE-DAG: ![[LW1]] = !{!"branch_weights", i32 2, i32 1} |
| // PGOUSE-DAG: ![[LW2]] = !{!"branch_weights", i32 11, i32 2} |
| // PGOUSE-DAG: ![[LW3]] = !{!"branch_weights", i32 2, i32 1} |
| |
| // LMBUSE-DAG: ![[LF1]] = !{!"branch_weights", i32 10, i32 2} |
| // LMBUSE-DAG: ![[LF2]] = !{!"branch_weights", i32 10, i32 2} |
| |
| int main(int argc, const char *argv[]) { |
| lambdas(); |
| return 0; |
| } |
