9f33eb861a
This patch enables the following command line flags for RISC-V targets: + `-fcf-protection=branch` turns on forward-edge control-flow integrity conditioning + `-mcf-branch-label-scheme=unlabeled|func-sig` selects the label scheme used in the forward-edge CFI conditioning
95 lines
4.7 KiB
C
95 lines
4.7 KiB
C
// RUN: %clang --target=riscv32 -menable-experimental-extensions \
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// RUN: -march=rv32i_zicfilp1p0 -fcf-protection=branch \
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// RUN: -mcf-branch-label-scheme=unlabeled -S -emit-llvm %s -o - | FileCheck \
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// RUN: --check-prefixes=BRANCH-PROT-FLAG,UNLABELED-FLAG %s
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// RUN: %clang --target=riscv32 -menable-experimental-extensions \
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// RUN: -march=rv32i_zicfilp1p0 -fcf-protection=branch \
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// RUN: -mcf-branch-label-scheme=func-sig -S -emit-llvm %s -o - | FileCheck \
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// RUN: --check-prefixes=BRANCH-PROT-FLAG,FUNC-SIG-FLAG %s
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// RUN: %clang --target=riscv32 -menable-experimental-extensions \
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// RUN: -march=rv32i_zicfilp1p0 -mcf-branch-label-scheme=unlabeled -S \
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// RUN: -emit-llvm %s -o - 2>&1 | FileCheck \
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// RUN: --check-prefixes=NO-FLAG,UNLABELED-SCHEME-UNUSED %s
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// RUN: %clang --target=riscv32 -menable-experimental-extensions \
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// RUN: -march=rv32i_zicfilp1p0 -mcf-branch-label-scheme=func-sig -S \
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// RUN: -emit-llvm %s -o - 2>&1 | FileCheck \
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// RUN: --check-prefixes=NO-FLAG,FUNC-SIG-SCHEME-UNUSED %s
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// RUN: %clang --target=riscv32 -fcf-protection=branch \
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// RUN: -mcf-branch-label-scheme=unlabeled -S -emit-llvm %s -o - | FileCheck \
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// RUN: --check-prefixes=BRANCH-PROT-FLAG,UNLABELED-FLAG %s
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// RUN: %clang --target=riscv32 -fcf-protection=branch \
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// RUN: -mcf-branch-label-scheme=func-sig -S -emit-llvm %s -o - | FileCheck \
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// RUN: --check-prefixes=BRANCH-PROT-FLAG,FUNC-SIG-FLAG %s
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// RUN: %clang --target=riscv32 -mcf-branch-label-scheme=unlabeled -S \
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// RUN: -emit-llvm %s -o - 2>&1 | FileCheck \
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// RUN: --check-prefixes=NO-FLAG,UNLABELED-SCHEME-UNUSED %s
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// RUN: %clang --target=riscv32 -mcf-branch-label-scheme=func-sig -S \
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// RUN: -emit-llvm %s -o - 2>&1 | FileCheck \
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// RUN: --check-prefixes=NO-FLAG,FUNC-SIG-SCHEME-UNUSED %s
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// RUN: %clang --target=riscv64 -menable-experimental-extensions \
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// RUN: -march=rv64i_zicfilp1p0 -fcf-protection=branch \
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// RUN: -mcf-branch-label-scheme=unlabeled -S -emit-llvm %s -o - | FileCheck \
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// RUN: --check-prefixes=BRANCH-PROT-FLAG,UNLABELED-FLAG %s
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// RUN: %clang --target=riscv64 -menable-experimental-extensions \
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// RUN: -march=rv64i_zicfilp1p0 -fcf-protection=branch \
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// RUN: -mcf-branch-label-scheme=func-sig -S -emit-llvm %s -o - | FileCheck \
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// RUN: --check-prefixes=BRANCH-PROT-FLAG,FUNC-SIG-FLAG %s
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// RUN: %clang --target=riscv64 -menable-experimental-extensions \
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// RUN: -march=rv64i_zicfilp1p0 -mcf-branch-label-scheme=unlabeled -S \
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// RUN: -emit-llvm %s -o - 2>&1 | FileCheck \
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// RUN: --check-prefixes=NO-FLAG,UNLABELED-SCHEME-UNUSED %s
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// RUN: %clang --target=riscv64 -menable-experimental-extensions \
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// RUN: -march=rv64i_zicfilp1p0 -mcf-branch-label-scheme=func-sig -S \
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// RUN: -emit-llvm %s -o - 2>&1 | FileCheck \
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// RUN: --check-prefixes=NO-FLAG,FUNC-SIG-SCHEME-UNUSED %s
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// RUN: %clang --target=riscv64 -fcf-protection=branch \
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// RUN: -mcf-branch-label-scheme=unlabeled -S -emit-llvm %s -o - | FileCheck \
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// RUN: --check-prefixes=BRANCH-PROT-FLAG,UNLABELED-FLAG %s
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// RUN: %clang --target=riscv64 -fcf-protection=branch \
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// RUN: -mcf-branch-label-scheme=func-sig -S -emit-llvm %s -o - | FileCheck \
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// RUN: --check-prefixes=BRANCH-PROT-FLAG,FUNC-SIG-FLAG %s
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// RUN: %clang --target=riscv64 -mcf-branch-label-scheme=unlabeled -S \
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// RUN: -emit-llvm %s -o - 2>&1 | FileCheck \
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// RUN: --check-prefixes=NO-FLAG,UNLABELED-SCHEME-UNUSED %s
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// RUN: %clang --target=riscv64 -mcf-branch-label-scheme=func-sig -S \
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// RUN: -emit-llvm %s -o - 2>&1 | FileCheck \
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// RUN: --check-prefixes=NO-FLAG,FUNC-SIG-SCHEME-UNUSED %s
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// Default -mcf-branch-label-scheme is func-sig
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// RUN: %clang --target=riscv32 -fcf-protection=branch -S -emit-llvm %s -o - \
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// RUN: | FileCheck --check-prefixes=BRANCH-PROT-FLAG,FUNC-SIG-FLAG %s
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// Default -mcf-branch-label-scheme is func-sig
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// RUN: %clang --target=riscv64 -fcf-protection=branch -S -emit-llvm %s -o - \
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// RUN: | FileCheck --check-prefixes=BRANCH-PROT-FLAG,FUNC-SIG-FLAG %s
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// UNLABELED-SCHEME-UNUSED: warning: argument unused during compilation:
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// UNLABELED-SCHEME-UNUSED-SAME: '-mcf-branch-label-scheme=unlabeled'
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// FUNC-SIG-SCHEME-UNUSED: warning: argument unused during compilation:
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// FUNC-SIG-SCHEME-UNUSED-SAME: '-mcf-branch-label-scheme=func-sig'
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// BRANCH-PROT-FLAG-DAG: [[P_FLAG:![0-9]+]] = !{i32 8, !"cf-protection-branch", i32 1}
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// UNLABELED-FLAG-DAG: [[S_FLAG:![0-9]+]] = !{i32 1, !"cf-branch-label-scheme", !"unlabeled"}
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// FUNC-SIG-FLAG-DAG: [[S_FLAG:![0-9]+]] = !{i32 1, !"cf-branch-label-scheme", !"func-sig"}
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// BRANCH-PROT-FLAG-DAG: !llvm.module.flags = !{{[{].*}}[[P_FLAG]]{{.*, }}[[S_FLAG]]{{(,.+)?[}]}}
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// NO-FLAG-NOT: !{i32 8, !"cf-protection-branch", i32 1}
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// NO-FLAG-NOT: !{i32 8, !"cf-branch-label-scheme", !"unlabeled"}
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// NO-FLAG-NOT: !{i32 8, !"cf-branch-label-scheme", !"func-sig"}
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int main() { return 0; }
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