[PGO] Use fprofile-continuous in more compiler-rt tests

Author: Wael Yehia

compiler-rt/test/profile/ContinuousSyncMode/pid-substitution.c

@@ -1,9 +1,11 @@
 // REQUIRES: continuous-mode
 
 // RUN: rm -rf %t.dir && mkdir -p %t.dir
-// RUN: %clang_pgogen_cont -o %t.exe %s
 //
 // Note: %%p is needed here, not %p, because of lit's path substitution.
+// RUN: %clang_profgen=%t.dir/-%%p -fprofile-continuous -o %t.exe %s
+// RUN: %run %t.exe
+// RUN: %clang_pgogen -fprofile-continuous -o %t.exe %s
 // RUN: env LLVM_PROFILE_FILE="%t.dir/%c-%%p" %run %t.exe
 
 #include <stdlib.h>

compiler-rt/test/profile/lit.cfg.py

@@ -30,9 +30,6 @@ def get_required_attr(config, attr_name):
 
 target_is_msvc = bool(re.match(r".*-windows-msvc$", config.target_triple))
 
-# Whether continous profile collection (%c) requires runtime counter relocation on this platform
-runtime_reloc = bool(config.host_os in ["AIX", "Linux"])
-
 if config.host_os in ["Linux"]:
     extra_link_flags = ["-ldl"]
 elif target_is_msvc:
@@ -97,14 +94,6 @@ def exclude_unsupported_files_for_aix(dirname):
 config.substitutions.append(
     ("%clang_profgen=", build_invocation(clang_cflags) + " -fprofile-instr-generate=")
 )
-config.substitutions.append(
-    (
-        "%clang_profgen_cont ",
-        build_invocation(clang_cflags)
-        + " -fprofile-instr-generate "
-        + ("-mllvm -runtime-counter-relocation " if runtime_reloc else ""),
-    )
-)
 config.substitutions.append(
     (
         "%clangxx_profgen ",
@@ -124,28 +113,12 @@ def exclude_unsupported_files_for_aix(dirname):
 config.substitutions.append(
     ("%clang_pgogen=", build_invocation(clang_cflags) + " -fprofile-generate=")
 )
-config.substitutions.append(
-    (
-        "%clang_pgogen_cont ",
-        build_invocation(clang_cflags)
-        + " -fprofile-generate "
-        + ("-mllvm -runtime-counter-relocation " if runtime_reloc else ""),
-    )
-)
 config.substitutions.append(
     ("%clangxx_pgogen ", build_invocation(clang_cxxflags) + " -fprofile-generate ")
 )
 config.substitutions.append(
     ("%clangxx_pgogen=", build_invocation(clang_cxxflags) + " -fprofile-generate=")
 )
-config.substitutions.append(
-    (
-        "%clangxx_pgogen_cont ",
-        build_invocation(clang_cxxflags)
-        + " -fprofile-generate "
-        + ("-mllvm -runtime-counter-relocation " if runtime_reloc else ""),
-    )
-)
 
 config.substitutions.append(
     ("%clang_cspgogen ", build_invocation(clang_cflags) + " -fcs-profile-generate ")