[Mlir-commits] [clang] [flang] [mlir] [Flang][Driver] Add support for '-fprofile-sample-use' option (PR #188697)

[Kelvin Li]

================
@@ -0,0 +1,38 @@
+! Test to check the working of option "-fprofile-sample-use".
+
+! RUN: %flang -### %s 2>&1 | FileCheck %s --check-prefix=NO-PROFILE-SAMPLE-USE
+! RUN: %flang -### -fprofile-sample-use=%S/Inputs/pgo-sample.prof %s 2>&1 | FileCheck %s --check-prefix=PROFILE-SAMPLE-USE
+! RUN: %flang -### -fno-profile-sample-use %s 2>&1 | FileCheck %s --check-prefix=NO-PROFILE-SAMPLE-USE
+
+! RUN: %flang -### -fprofile-sample-use=%S/Inputs/pgo-sample.prof -fno-profile-sample-use %s 2>&1 | FileCheck %s --check-prefix=NO-PROFILE-SAMPLE-USE
+
+! RUN: not %flang -fsyntax-only -fprofile-sample-use=%t/missing-profile.prof %s 2>&1 | FileCheck %s --check-prefix=PROFILE-SAMPLE-USE-NO-FILE
+! RUN: not %flang -fsyntax-only -fprofile-generate -fprofile-sample-use=%S/Inputs/pgo-sample.prof %s 2>&1 | FileCheck %s --check-prefix=PROFILE-SAMPLE-USE-ERROR
+
+! RUN: not %flang -target powerpc-ibm-aix -### -fprofile-sample-use=%S/Inputs/pgo-sample.prof %s 2>&1 \
+! RUN:   | FileCheck %s --check-prefix=PROFILE-SAMPLE-USE-UNSUPPORTED-AIX
+
+! NO-PROFILE-SAMPLE-USE-NOT: "-fprofile-sample-use"
+! PROFILE-SAMPLE-USE: "-fprofile-sample-use={{.*}}/Inputs/pgo-sample.prof"
+
+! PROFILE-SAMPLE-USE-NO-FILE: error: no such file or directory: {{.*}}missing-profile.prof{{.*}}
+! PROFILE-SAMPLE-USE-ERROR: error: invalid argument '-fprofile-generate' not allowed with '-fprofile-sample-use={{.*}}'
+
+! PROFILE-SAMPLE-USE-UNSUPPORTED-AIX: error: unsupported option '-fprofile-sample-use=' for target 'powerpc-ibm-aix'
----------------
kkwli wrote:

```suggestion
! PROFILE-SAMPLE-USE-UNSUPPORTED-AIX: error: unsupported option '-fprofile-sample-use=' for target 'powerpc-ibm-aix64'
```

https://github.com/llvm/llvm-project/pull/188697