This is an archive of the discontinued LLVM Phabricator instance.

Add a test that infinite loop has profile properly collected.
ClosedPublic

Authored by davidxl on Nov 30 2017, 10:42 AM.

Reviewers

Commits

Summary

Depend on D400662

LGTM.

This revision is now accepted and ready to land.Nov 30 2017, 11:17 AM

This revision was automatically updated to reflect the committed changes.

Path

Size

test/

profile/

30 lines

				// RUN: %clang_pgogen -O2 -o %t %s
				// RUN: env LLVM_PROFILE_FILE=%t.profraw %run %t
				// RUN: llvm-profdata show -function main -counts %t.profraw\| FileCheck %s

				void exit(int);
				int g;
				__attribute__((noinline)) void foo()
				{
				g++;
				if (g==1000)
				exit(0);
				}


				int main()
				{
				while (1) {
				foo();
				}

				}

				// CHECK: Counters:
				// CHECK-NEXT: main:
				// CHECK-NEXT: Hash: {{.*}}
				// CHECK-NEXT: Counters: 1
				// CHECK-NEXT: Block counts: [1000]