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InstrProf: Add a couple of checks to this test 

"Don't crash" tests are silly, we might as well check that the
counters are consistent here.

llvm-svn: 236361
This commit is contained in:
Justin Bogner 2015-05-01 22:52:48 +00:00
parent 83d89fa546
commit 25723948c0
1 changed files with 15 additions and 0 deletions
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15
clang/test/Profile/c-general.c
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@ -17,6 +17,7 @@
// PGOGEN: @[[BOC:__llvm_profile_counters_boolean_operators]] = private global [8 x i64] zeroinitializer
// PGOGEN: @[[BLC:__llvm_profile_counters_boolop_loops]] = private global [9 x i64] zeroinitializer
// PGOGEN: @[[COC:__llvm_profile_counters_conditional_operator]] = private global [3 x i64] zeroinitializer
// PGOGEN: @[[DFC:__llvm_profile_counters_do_fallthrough]] = private global [4 x i64] zeroinitializer
// PGOGEN: @[[MAC:__llvm_profile_counters_main]] = private global [1 x i64] zeroinitializer
// PGOGEN: @[[STC:"__llvm_profile_counters_c-general.c:static_func"]] = private global [2 x i64] zeroinitializer
@ -436,15 +437,24 @@ void conditional_operator() {
// PGOUSE-NOT: br {{.*}} !prof ![0-9]+
}
// PGOGEN-LABEL: @do_fallthrough()
// PGOUSE-LABEL: @do_fallthrough()
// PGOGEN: store {{.*}} @[[DFC]], i64 0, i64 0
void do_fallthrough() {
// PGOGEN: store {{.*}} @[[DFC]], i64 0, i64 1
// PGOUSE: br {{.*}} !prof ![[DF1:[0-9]+]]
for (int i = 0; i < 10; ++i) {
int j = 0;
// PGOGEN: store {{.*}} @[[DFC]], i64 0, i64 2
do {
// The number of exits out of this do-loop via the break statement
// exceeds the counter value for the loop (which does not include the
// fallthrough count). Make sure that does not violate any assertions.
// PGOGEN: store {{.*}} @[[DFC]], i64 0, i64 3
// PGOUSE: br {{.*}} !prof ![[DF3:[0-9]+]]
if (i < 8) break;
j++;
// PGOUSE: br {{.*}} !prof ![[DF2:[0-9]+]]
} while (j < 2);
}
}
@ -529,6 +539,11 @@ static void static_func() {
// PGOUSE-DAG: ![[BL8]] = !{!"branch_weights", i32 51, i32 2}
// PGOUSE-DAG: ![[CO1]] = !{!"branch_weights", i32 1, i32 2}
// PGOUSE-DAG: ![[CO2]] = !{!"branch_weights", i32 2, i32 1}
// PGOUSE-DAG: ![[DF1]] = !{!"branch_weights", i32 11, i32 2}
// PGOUSE-DAG: ![[DF2]] = !{!"branch_weights", i32 3, i32 3}
// PGOUSE-DAG: ![[DF3]] = !{!"branch_weights", i32 9, i32 5}
// PGOUSE-DAG: ![[ST1]] = !{!"branch_weights", i32 11, i32 2}
int main(int argc, const char *argv[]) {