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TheRock/compiler/amd-llvm/clang/test/Driver/stack-clash-protection.c
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

40 lines
2.3 KiB
C

// RUN: %clang -target i386-unknown-linux -fstack-clash-protection -### %s 2>&1 | FileCheck %s -check-prefix=SCP-i386
// RUN: %clang -target i386-unknown-linux -fno-stack-clash-protection -fstack-clash-protection -### %s 2>&1 | FileCheck %s -check-prefix=SCP-i386
// RUN: %clang -target i386-unknown-linux -fstack-clash-protection -fno-stack-clash-protection -### %s 2>&1 | FileCheck %s -check-prefix=SCP-i386-NO
// SCP-i386: "-fstack-clash-protection"
// SCP-i386-NO-NOT: "-fstack-clash-protection"
// RUN: %clang -target x86_64-scei-linux -fstack-clash-protection -### %s 2>&1 | FileCheck %s -check-prefix=SCP-x86
// RUN: %clang -target x86_64-unknown-freebsd -fstack-clash-protection -### %s 2>&1 | FileCheck %s -check-prefix=SCP-x86
// SCP-x86: "-fstack-clash-protection"
// RUN: %clang -target armv7k-apple-linux -fstack-clash-protection -### %s 2>&1 | FileCheck %s -check-prefix=SCP-armv7
// SCP-armv7-NOT: "-fstack-clash-protection"
// SCP-armv7: argument unused during compilation: '-fstack-clash-protection'
// RUN: %clang -target x86_64-unknown-linux -fstack-clash-protection -S -emit-llvm -o %t.ll %s 2>&1 | FileCheck %s -check-prefix=SCP-warn
// SCP-warn: warning: unable to protect inline asm that clobbers stack pointer against stack clash
// RUN: %clang -target x86_64-pc-unknown-linux -fstack-clash-protection -S -emit-llvm -o- %s | FileCheck %s -check-prefix=SCP-ll-linux64
// SCP-ll-linux64: attributes {{.*}} "probe-stack"="inline-asm"
// RUN: %clang -target x86_64-pc-windows-msvc -fstack-clash-protection -S -emit-llvm -o- %s 2>&1 | FileCheck %s -check-prefix=SCP-ll-win64
// SCP-ll-win64-NOT: attributes {{.*}} "probe-stack"="inline-asm"
// SCP-ll-win64: argument unused during compilation: '-fstack-clash-protection'
// RUN: %clang -target x86_64-unknown-fuchsia -fstack-clash-protection -### %s 2>&1 | FileCheck %s -check-prefix=SCP-FUCHSIA
// RUN: %clang -target aarch64-unknown-fuchsia -fstack-clash-protection -### %s 2>&1 | FileCheck %s -check-prefix=SCP-FUCHSIA
// RUN: %clang -target riscv64-unknown-fuchsia -fstack-clash-protection -### %s 2>&1 | FileCheck %s -check-prefix=SCP-FUCHSIA
// SCP-FUCHSIA: "-fstack-clash-protection"
int foo(int c) {
int r;
__asm__("sub %0, %%rsp"
:
: "rm"(c)
: "rsp");
__asm__("mov %%rsp, %0"
: "=rm"(r)::);
return r;
}