clang/test/CodeGen/RISCV/riscv-cf-protection.c

   1 // RUN: %clang --target=riscv32 -menable-experimental-extensions \
   2 // RUN: -march=rv32i_zicfilp1p0 -fcf-protection=branch \
   3 // RUN: -mcf-branch-label-scheme=unlabeled -S -emit-llvm %s -o - | FileCheck \
   4 // RUN: --check-prefixes=BRANCH-PROT-FLAG,UNLABELED-FLAG %s
   5
   6 // RUN: %clang --target=riscv32 -menable-experimental-extensions \
   7 // RUN: -march=rv32i_zicfilp1p0 -fcf-protection=branch \
   8 // RUN: -mcf-branch-label-scheme=func-sig -S -emit-llvm %s -o - | FileCheck \
   9 // RUN: --check-prefixes=BRANCH-PROT-FLAG,FUNC-SIG-FLAG %s
  10
  11 // RUN: %clang --target=riscv32 -menable-experimental-extensions \
  12 // RUN: -march=rv32i_zicfilp1p0 -mcf-branch-label-scheme=unlabeled -S \
  13 // RUN: -emit-llvm %s -o - 2>&1 | FileCheck \
  14 // RUN: --check-prefixes=NO-FLAG,UNLABELED-SCHEME-UNUSED %s
  15
  16 // RUN: %clang --target=riscv32 -menable-experimental-extensions \
  17 // RUN: -march=rv32i_zicfilp1p0 -mcf-branch-label-scheme=func-sig -S \
  18 // RUN: -emit-llvm %s -o - 2>&1 | FileCheck \
  19 // RUN: --check-prefixes=NO-FLAG,FUNC-SIG-SCHEME-UNUSED %s
  20
  21 // RUN: %clang --target=riscv32 -fcf-protection=branch \
  22 // RUN: -mcf-branch-label-scheme=unlabeled -S -emit-llvm %s -o - | FileCheck \
  23 // RUN: --check-prefixes=BRANCH-PROT-FLAG,UNLABELED-FLAG %s
  24
  25 // RUN: %clang --target=riscv32 -fcf-protection=branch \
  26 // RUN: -mcf-branch-label-scheme=func-sig -S -emit-llvm %s -o - | FileCheck \
  27 // RUN: --check-prefixes=BRANCH-PROT-FLAG,FUNC-SIG-FLAG %s
  28
  29 // RUN: %clang --target=riscv32 -mcf-branch-label-scheme=unlabeled -S \
  30 // RUN: -emit-llvm %s -o - 2>&1 | FileCheck \
  31 // RUN: --check-prefixes=NO-FLAG,UNLABELED-SCHEME-UNUSED %s
  32
  33 // RUN: %clang --target=riscv32 -mcf-branch-label-scheme=func-sig -S \
  34 // RUN: -emit-llvm %s -o - 2>&1 | FileCheck \
  35 // RUN: --check-prefixes=NO-FLAG,FUNC-SIG-SCHEME-UNUSED %s
  36
  37 // RUN: %clang --target=riscv64 -menable-experimental-extensions \
  38 // RUN: -march=rv64i_zicfilp1p0 -fcf-protection=branch \
  39 // RUN: -mcf-branch-label-scheme=unlabeled -S -emit-llvm %s -o - | FileCheck \
  40 // RUN: --check-prefixes=BRANCH-PROT-FLAG,UNLABELED-FLAG %s
  41
  42 // RUN: %clang --target=riscv64 -menable-experimental-extensions \
  43 // RUN: -march=rv64i_zicfilp1p0 -fcf-protection=branch \
  44 // RUN: -mcf-branch-label-scheme=func-sig -S -emit-llvm %s -o - | FileCheck \
  45 // RUN: --check-prefixes=BRANCH-PROT-FLAG,FUNC-SIG-FLAG %s
  46
  47 // RUN: %clang --target=riscv64 -menable-experimental-extensions \
  48 // RUN: -march=rv64i_zicfilp1p0 -mcf-branch-label-scheme=unlabeled -S \
  49 // RUN: -emit-llvm %s -o - 2>&1 | FileCheck \
  50 // RUN: --check-prefixes=NO-FLAG,UNLABELED-SCHEME-UNUSED %s
  51
  52 // RUN: %clang --target=riscv64 -menable-experimental-extensions \
  53 // RUN: -march=rv64i_zicfilp1p0 -mcf-branch-label-scheme=func-sig -S \
  54 // RUN: -emit-llvm %s -o - 2>&1 | FileCheck \
  55 // RUN: --check-prefixes=NO-FLAG,FUNC-SIG-SCHEME-UNUSED %s
  56
  57 // RUN: %clang --target=riscv64 -fcf-protection=branch \
  58 // RUN: -mcf-branch-label-scheme=unlabeled -S -emit-llvm %s -o - | FileCheck \
  59 // RUN: --check-prefixes=BRANCH-PROT-FLAG,UNLABELED-FLAG %s
  60
  61 // RUN: %clang --target=riscv64 -fcf-protection=branch \
  62 // RUN: -mcf-branch-label-scheme=func-sig -S -emit-llvm %s -o - | FileCheck \
  63 // RUN: --check-prefixes=BRANCH-PROT-FLAG,FUNC-SIG-FLAG %s
  64
  65 // RUN: %clang --target=riscv64 -mcf-branch-label-scheme=unlabeled -S \
  66 // RUN: -emit-llvm %s -o - 2>&1 | FileCheck \
  67 // RUN: --check-prefixes=NO-FLAG,UNLABELED-SCHEME-UNUSED %s
  68
  69 // RUN: %clang --target=riscv64 -mcf-branch-label-scheme=func-sig -S \
  70 // RUN: -emit-llvm %s -o - 2>&1 | FileCheck \
  71 // RUN: --check-prefixes=NO-FLAG,FUNC-SIG-SCHEME-UNUSED %s
  72
  73 // Default -mcf-branch-label-scheme is func-sig
  74 // RUN: %clang --target=riscv32 -fcf-protection=branch -S -emit-llvm %s -o - \
  75 // RUN: | FileCheck --check-prefixes=BRANCH-PROT-FLAG,FUNC-SIG-FLAG %s
  76
  77 // Default -mcf-branch-label-scheme is func-sig
  78 // RUN: %clang --target=riscv64 -fcf-protection=branch -S -emit-llvm %s -o - \
  79 // RUN: | FileCheck --check-prefixes=BRANCH-PROT-FLAG,FUNC-SIG-FLAG %s
  80
  81 // UNLABELED-SCHEME-UNUSED: warning: argument unused during compilation:
  82 // UNLABELED-SCHEME-UNUSED-SAME: '-mcf-branch-label-scheme=unlabeled'
  83 // FUNC-SIG-SCHEME-UNUSED: warning: argument unused during compilation:
  84 // FUNC-SIG-SCHEME-UNUSED-SAME: '-mcf-branch-label-scheme=func-sig'
  85
  86 // BRANCH-PROT-FLAG-DAG: [[P_FLAG:![0-9]+]] = !{i32 8, !"cf-protection-branch", i32 1}
  87 // UNLABELED-FLAG-DAG: [[S_FLAG:![0-9]+]] = !{i32 1, !"cf-branch-label-scheme", !"unlabeled"}
  88 // FUNC-SIG-FLAG-DAG: [[S_FLAG:![0-9]+]] = !{i32 1, !"cf-branch-label-scheme", !"func-sig"}
  89 // BRANCH-PROT-FLAG-DAG: !llvm.module.flags = !{{[{].*}}[[P_FLAG]]{{.*, }}[[S_FLAG]]{{(,.+)?[}]}}
  90 // NO-FLAG-NOT: !{i32 8, !"cf-protection-branch", i32 1}
  91 // NO-FLAG-NOT: !{i32 8, !"cf-branch-label-scheme", !"unlabeled"}
  92 // NO-FLAG-NOT: !{i32 8, !"cf-branch-label-scheme", !"func-sig"}
  93
  94 int main() { return 0; }