[clang] [Clang][RISCV] Add preprocessor macros for Zicfilp CFI scheme (PR #109600)

[Kito Cheng via cfe-commits]

================
@@ -0,0 +1,90 @@
+// Default cf-branch-label-scheme is func-sig
+// RUN: %clang --target=riscv32 -menable-experimental-extensions \
+// RUN:   -march=rv32i_zicfilp1p0 -fcf-protection=branch -E -dM %s -o - \
+// RUN:   | FileCheck --check-prefix=CHECK-ZICFILP-FUNC-SIG %s
+// RUN: %clang --target=riscv64 -menable-experimental-extensions \
+// RUN:   -march=rv64i_zicfilp1p0 -fcf-protection=branch -E -dM %s -o - \
+// RUN:   | FileCheck --check-prefix=CHECK-ZICFILP-FUNC-SIG %s
+
+// RUN: %clang --target=riscv32 -menable-experimental-extensions \
+// RUN:   -march=rv32i_zicfilp1p0 -fcf-protection=branch \
+// RUN:   -mcf-branch-label-scheme=unlabeled -E -dM %s -o - \
+// RUN:   | FileCheck --check-prefix=CHECK-ZICFILP-UNLABELED %s
+
+// RUN: %clang --target=riscv32 -menable-experimental-extensions \
+// RUN:   -march=rv32i_zicfilp1p0 -fcf-protection=branch \
+// RUN:   -mcf-branch-label-scheme=func-sig -E -dM %s -o - \
+// RUN:   | FileCheck --check-prefix=CHECK-ZICFILP-FUNC-SIG %s
+
+// RUN: %clang --target=riscv32 -menable-experimental-extensions \
+// RUN:   -march=rv32i_zicfilp1p0 -mcf-branch-label-scheme=unlabeled -c %s \
+// RUN:   -o /dev/null 2>&1 \
+// RUN:   | FileCheck --check-prefix=CHECK-UNLABELED-SCHEME-UNUSED %s
+
+// RUN: %clang --target=riscv32 -menable-experimental-extensions \
+// RUN:   -march=rv32i_zicfilp1p0 -mcf-branch-label-scheme=func-sig -c %s \
+// RUN:   -o /dev/null 2>&1 \
+// RUN:   | FileCheck --check-prefix=CHECK-FUNC-SIG-SCHEME-UNUSED %s
+
+// RUN: not %clang --target=riscv32 -fcf-protection=branch \
+// RUN:   -mcf-branch-label-scheme=unlabeled -c %s -o /dev/null 2>&1 \
+// RUN:   | FileCheck --check-prefix=CHECK-BRANCH-PROT-INVALID %s
+
+// RUN: not %clang --target=riscv32 -fcf-protection=branch \
+// RUN:   -mcf-branch-label-scheme=func-sig -c %s -o /dev/null 2>&1 \
+// RUN:   | FileCheck --check-prefix=CHECK-BRANCH-PROT-INVALID %s
+
+// RUN: %clang --target=riscv32 -mcf-branch-label-scheme=unlabeled -c %s \
+// RUN:   -o /dev/null 2>&1 \
+// RUN:   | FileCheck --check-prefix=CHECK-UNLABELED-SCHEME-UNUSED %s
+
+// RUN: %clang --target=riscv32 -mcf-branch-label-scheme=func-sig -c %s \
+// RUN:   -o /dev/null 2>&1 \
+// RUN:   | FileCheck --check-prefix=CHECK-FUNC-SIG-SCHEME-UNUSED %s
+
+// RUN: %clang --target=riscv64 -menable-experimental-extensions \
+// RUN:   -march=rv64i_zicfilp1p0 -fcf-protection=branch \
+// RUN:   -mcf-branch-label-scheme=unlabeled -E -dM %s -o - \
+// RUN:   | FileCheck --check-prefix=CHECK-ZICFILP-UNLABELED %s
+
+// RUN: %clang --target=riscv64 -menable-experimental-extensions \
+// RUN:   -march=rv64i_zicfilp1p0 -fcf-protection=branch \
+// RUN:   -mcf-branch-label-scheme=func-sig -E -dM %s -o - \
+// RUN:   | FileCheck --check-prefix=CHECK-ZICFILP-FUNC-SIG %s
+
+// RUN: %clang --target=riscv64 -menable-experimental-extensions \
+// RUN:   -march=rv64i_zicfilp1p0 -mcf-branch-label-scheme=unlabeled -c %s \
+// RUN:   -o /dev/null 2>&1 \
+// RUN:   | FileCheck --check-prefix=CHECK-UNLABELED-SCHEME-UNUSED %s
+
+// RUN: %clang --target=riscv64 -menable-experimental-extensions \
+// RUN:   -march=rv64i_zicfilp1p0 -mcf-branch-label-scheme=func-sig -c %s \
+// RUN:   -o /dev/null 2>&1 \
+// RUN:   | FileCheck --check-prefix=CHECK-FUNC-SIG-SCHEME-UNUSED %s
+
+// RUN: not %clang --target=riscv64 -fcf-protection=branch \
+// RUN:   -mcf-branch-label-scheme=unlabeled -c %s -o /dev/null 2>&1 \
+// RUN:   | FileCheck --check-prefix=CHECK-BRANCH-PROT-INVALID %s
+
+// RUN: not %clang --target=riscv64 -fcf-protection=branch \
+// RUN:   -mcf-branch-label-scheme=func-sig -c %s -o /dev/null 2>&1 \
+// RUN:   | FileCheck --check-prefix=CHECK-BRANCH-PROT-INVALID %s
+
+// RUN: %clang --target=riscv64 -mcf-branch-label-scheme=unlabeled -c %s \
+// RUN:   -o /dev/null 2>&1 \
+// RUN:   | FileCheck --check-prefix=CHECK-UNLABELED-SCHEME-UNUSED %s
+
+// RUN: %clang --target=riscv64 -mcf-branch-label-scheme=func-sig -c %s \
+// RUN:   -o /dev/null 2>&1 \
+// RUN:   | FileCheck --check-prefix=CHECK-FUNC-SIG-SCHEME-UNUSED %s
+
+// CHECK-ZICFILP-UNLABELED-DAG: __riscv_landing_pad 1{{$}}
+// CHECK-ZICFILP-UNLABELED-DAG: __riscv_landing_pad_unlabeled 1{{$}}
+// CHECK-ZICFILP-FUNC-SIG-DAG: __riscv_landing_pad 1{{$}}
+// CHECK-ZICFILP-FUNC-SIG-DAG: __riscv_landing_pad_func_sig 1{{$}}
----------------
kito-cheng wrote:

Curious why suffix with `-DAG`?

https://github.com/llvm/llvm-project/pull/109600
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