forked from OSchip/llvm-project
73 lines
2.8 KiB
C++
73 lines
2.8 KiB
C++
// Test instrumentation of C++ exception handling constructs.
|
|
|
|
// FIXME: Don't seek bb labels, like "if.else"
|
|
// REQUIRES: asserts
|
|
|
|
// RUN: %clangxx %s -o - -emit-llvm -S -fprofile-instr-generate -target %itanium_abi_triple | FileCheck -check-prefix=PGOGEN %s
|
|
// RUN: %clangxx %s -o - -emit-llvm -S -fprofile-instr-generate -target %itanium_abi_triple | FileCheck -check-prefix=PGOGEN-EXC %s
|
|
|
|
// RUN: %clang %s -o - -emit-llvm -S -fprofile-instr-use=%S/Inputs/cxx-throws.profdata -target %itanium_abi_triple | FileCheck -check-prefix=PGOUSE %s
|
|
// RUN: %clang %s -o - -emit-llvm -S -fprofile-instr-use=%S/Inputs/cxx-throws.profdata -target %itanium_abi_triple | FileCheck -check-prefix=PGOUSE-EXC %s
|
|
|
|
// PGOGEN: @[[THC:__llvm_profile_counters__Z6throwsv]] = global [9 x i64] zeroinitializer
|
|
// PGOGEN-EXC: @[[THC:__llvm_profile_counters__Z6throwsv]] = global [9 x i64] zeroinitializer
|
|
|
|
// PGOGEN-LABEL: @_Z6throwsv()
|
|
// PGOUSE-LABEL: @_Z6throwsv()
|
|
// PGOGEN: store {{.*}} @[[THC]], i64 0, i64 0
|
|
void throws() {
|
|
// PGOGEN: store {{.*}} @[[THC]], i64 0, i64 1
|
|
// PGOUSE: br {{.*}} !prof ![[TH1:[0-9]+]]
|
|
for (int i = 0; i < 100; ++i) {
|
|
try {
|
|
// PGOGEN: store {{.*}} @[[THC]], i64 0, i64 3
|
|
// PGOUSE: br {{.*}} !prof ![[TH2:[0-9]+]]
|
|
if (i % 3) {
|
|
// PGOGEN: store {{.*}} @[[THC]], i64 0, i64 4
|
|
// PGOUSE: br {{.*}} !prof ![[TH3:[0-9]+]]
|
|
if (i < 50)
|
|
throw 1;
|
|
} else {
|
|
// The catch block may be emitted after the throw above, we can skip it
|
|
// by looking for an else block, but this will break if anyone puts an
|
|
// else in the catch
|
|
// PGOUSE: if.else{{.*}}:
|
|
// PGOGEN: if.else{{.*}}:
|
|
|
|
// PGOGEN: store {{.*}} @[[THC]], i64 0, i64 5
|
|
// PGOUSE: br {{.*}} !prof ![[TH4:[0-9]+]]
|
|
if (i >= 50)
|
|
throw 0;
|
|
}
|
|
} catch (int e) {
|
|
// PGOUSE-EXC: catch{{.*}}:
|
|
// PGOGEN-EXC: catch{{.*}}:
|
|
|
|
// PGOGEN-EXC: store {{.*}} @[[THC]], i64 0, i64 6
|
|
// PGOGEN-EXC: store {{.*}} @[[THC]], i64 0, i64 7
|
|
// PGOUSE-EXC: br {{.*}} !prof ![[TH5:[0-9]+]]
|
|
if (e) {}
|
|
}
|
|
// PGOGEN: store {{.*}} @[[THC]], i64 0, i64 2
|
|
|
|
// PGOGEN: store {{.*}} @[[THC]], i64 0, i64 8
|
|
// PGOUSE: br {{.*}} !prof ![[TH6:[0-9]+]]
|
|
if (i < 100) {}
|
|
}
|
|
|
|
// PGOUSE-NOT: br {{.*}} !prof ![0-9]+
|
|
// PGOUSE: ret void
|
|
}
|
|
|
|
// PGOUSE-DAG: ![[TH1]] = metadata !{metadata !"branch_weights", i32 101, i32 2}
|
|
// PGOUSE-DAG: ![[TH2]] = metadata !{metadata !"branch_weights", i32 67, i32 35}
|
|
// PGOUSE-DAG: ![[TH3]] = metadata !{metadata !"branch_weights", i32 34, i32 34}
|
|
// PGOUSE-DAG: ![[TH4]] = metadata !{metadata !"branch_weights", i32 18, i32 18}
|
|
// PGOUSE-EXC: ![[TH5]] = metadata !{metadata !"branch_weights", i32 34, i32 18}
|
|
// PGOUSE-DAG: ![[TH6]] = metadata !{metadata !"branch_weights", i32 101, i32 1}
|
|
|
|
int main(int argc, const char *argv[]) {
|
|
throws();
|
|
return 0;
|
|
}
|