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keith-packardkeith-packard
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[clang][PowerPC] Add stack protector tests
Add tests ensuring that the driver correctly handles stack protector guard options. Signed-off-by: Keith Packard <[email protected]>
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‎clang/test/CodeGen/stack-protector-guard.c‎

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@@ -12,6 +12,12 @@
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// RUN: %clang_cc1 -mstack-protector-guard=tls -triple riscv64-unknown-elf \
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// RUN: -mstack-protector-guard-offset=44 -mstack-protector-guard-reg=tp \
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// RUN: -emit-llvm %s -o - | FileCheck %s --check-prefix=RISCV
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// RUN: %clang_cc1 -mstack-protector-guard=tls -triple powerpc64-unknown-elf \
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// RUN: -mstack-protector-guard-offset=52 -mstack-protector-guard-reg=r13 \
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// RUN: -emit-llvm %s -o - | FileCheck %s --check-prefix=POWERPC64
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// RUN: %clang_cc1 -mstack-protector-guard=tls -triple ppc32-unknown-elf \
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// RUN: -mstack-protector-guard-offset=16 -mstack-protector-guard-reg=r2 \
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// RUN: -emit-llvm %s -o - | FileCheck %s --check-prefix=POWERPC32
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void foo(int*);
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void bar(int x) {
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int baz[x];
@@ -31,3 +37,13 @@ void bar(int x) {
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// RISCV: [[ATTR1]] = !{i32 1, !"stack-protector-guard", !"tls"}
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// RISCV: [[ATTR2]] = !{i32 1, !"stack-protector-guard-reg", !"tp"}
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// RISCV: [[ATTR3]] = !{i32 1, !"stack-protector-guard-offset", i32 44}
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// POWERPC64: !llvm.module.flags = !{{{.*}}[[ATTR1:![0-9]+]], [[ATTR2:![0-9]+]], [[ATTR3:![0-9]+]], [[ATTR4:![0-9]+]]}
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// POWERPC64: [[ATTR2]] = !{i32 1, !"stack-protector-guard", !"tls"}
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// POWERPC64: [[ATTR3]] = !{i32 1, !"stack-protector-guard-reg", !"r13"}
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// POWERPC64: [[ATTR4]] = !{i32 1, !"stack-protector-guard-offset", i32 52}
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// POWERPC32: !llvm.module.flags = !{{{.*}}[[ATTR1:![0-9]+]], [[ATTR2:![0-9]+]], [[ATTR3:![0-9]+]], [[ATTR4:![0-9]+]]}
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// POWERPC32: [[ATTR2]] = !{i32 1, !"stack-protector-guard", !"tls"}
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// POWERPC32: [[ATTR3]] = !{i32 1, !"stack-protector-guard-reg", !"r2"}
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// POWERPC32: [[ATTR4]] = !{i32 1, !"stack-protector-guard-offset", i32 16}

‎clang/test/Driver/stack-protector-guard.c‎

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@@ -17,15 +17,15 @@
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// RUN: FileCheck -check-prefix=CHECK-SYM %s
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// Invalid arch
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// RUN: not %clang -target powerpc64le-linux-gnu -mstack-protector-guard=tls %s 2>&1 | \
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// RUN: not %clang -target mipsel-linux-gnu -mstack-protector-guard=tls %s 2>&1 | \
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// RUN: FileCheck -check-prefix=INVALID-ARCH %s
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// INVALID-ARCH: unsupported option '-mstack-protector-guard=tls' for target
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// RUN: not %clang -target powerpc64le-linux-gnu -mstack-protector-guard-reg=fs %s 2>&1 | \
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// RUN: not %clang -target mipsel-linux-gnu -mstack-protector-guard-reg=fs %s 2>&1 | \
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// RUN: FileCheck -check-prefix=INVALID-ARCH2 %s
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// INVALID-ARCH2: unsupported option '-mstack-protector-guard-reg=fs' for target
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// RUN: not %clang -target powerpc64le-linux-gnu -mstack-protector-guard-offset=10 %s 2>&1 | \
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// RUN: not %clang -target mipsel-linux-gnu -mstack-protector-guard-offset=10 %s 2>&1 | \
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// RUN: FileCheck -check-prefix=INVALID-ARCH3 %s
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// INVALID-ARCH3: unsupported option '-mstack-protector-guard-offset=10' for target
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@@ -104,3 +104,54 @@
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// RUN: FileCheck -check-prefix=INVALID-REG-RISCV %s
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// INVALID-REG-RISCV: error: invalid value 'sp' in 'mstack-protector-guard-reg=', expected one of: tp
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// RUN: %clang -### -target powerpc64-unknown-elf -mstack-protector-guard=tls -mstack-protector-guard-offset=24 -mstack-protector-guard-reg=r13 %s 2>&1 | \
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// RUN: FileCheck -v -check-prefix=CHECK-TLS-POWERPC64 %s
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// RUN: %clang -### -target powerpc64-unknown-linux-gnu -mstack-protector-guard=global %s 2>&1 | \
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// RUN: FileCheck -check-prefix=CHECK-GLOBAL %s
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// RUN: not %clang -target powerpc64-unknown-linux-gnu -mstack-protector-guard=tls %s 2>&1 | \
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// RUN: FileCheck -check-prefix=MISSING-OFFSET %s
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// RUN: not %clang -target powerpc64-unknown-elf -mstack-protector-guard=sysreg %s 2>&1 | \
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// RUN: FileCheck -check-prefix=INVALID-VALUE2 %s
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// RUN: not %clang -target powerpc64-unknown-elf -mstack-protector-guard=tls \
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// RUN: -mstack-protector-guard-offset=20 -mstack-protector-guard-reg=r12 %s 2>&1 | \
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// RUN: FileCheck -check-prefix=INVALID-REG-POWERPC64 %s
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// CHECK-TLS-POWERPC64: "-cc1" {{.*}}"-mstack-protector-guard=tls" "-mstack-protector-guard-offset=24" "-mstack-protector-guard-reg=r13"
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// INVALID-REG-POWERPC64: error: invalid value 'r12' in 'mstack-protector-guard-reg=', expected one of: r13
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// RUN: %clang -### -target powerpc64le-unknown-elf -mstack-protector-guard=tls -mstack-protector-guard-offset=24 -mstack-protector-guard-reg=r13 %s 2>&1 | \
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// RUN: FileCheck -v -check-prefix=CHECK-TLS-POWERPC64 %s
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// RUN: %clang -### -target powerpc64le-unknown-elf -mstack-protector-guard=global %s 2>&1 | \
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// RUN: FileCheck -check-prefix=CHECK-GLOBAL %s
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// RUN: not %clang -target powerpc64le-unknown-elf -mstack-protector-guard=tls %s 2>&1 | \
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// RUN: FileCheck -check-prefix=MISSING-OFFSET %s
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// RUN: not %clang -target powerpc64le-unknown-elf -mstack-protector-guard=sysreg %s 2>&1 | \
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// RUN: FileCheck -check-prefix=INVALID-VALUE2 %s
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// RUN: not %clang -target powerpc64le-unknown-elf -mstack-protector-guard=tls \
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// RUN: -mstack-protector-guard-offset=20 -mstack-protector-guard-reg=r12 %s 2>&1 | \
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// RUN: FileCheck -check-prefix=INVALID-REG-POWERPC64 %s
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// RUN: %clang -### -target ppc32-unknown-elf -mstack-protector-guard=tls -mstack-protector-guard-offset=24 -mstack-protector-guard-reg=r2 %s 2>&1 | \
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// RUN: FileCheck -v -check-prefix=CHECK-TLS-POWERPC32 %s
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// RUN: %clang -### -target ppc32-unknown-elf -mstack-protector-guard=global %s 2>&1 | \
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// RUN: FileCheck -check-prefix=CHECK-GLOBAL %s
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// RUN: not %clang -target ppc32-unknown-elf -mstack-protector-guard=tls %s 2>&1 | \
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// RUN: FileCheck -check-prefix=MISSING-OFFSET %s
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// RUN: not %clang -target ppc32-unknown-elf -mstack-protector-guard=sysreg %s 2>&1 | \
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// RUN: FileCheck -check-prefix=INVALID-VALUE2 %s
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// RUN: not %clang -target ppc32-unknown-elf -mstack-protector-guard=tls \
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// RUN: -mstack-protector-guard-offset=20 -mstack-protector-guard-reg=r3 %s 2>&1 | \
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// RUN: FileCheck -check-prefix=INVALID-REG-POWERPC32 %s
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// CHECK-TLS-POWERPC32: "-cc1" {{.*}}"-mstack-protector-guard=tls" "-mstack-protector-guard-offset=24" "-mstack-protector-guard-reg=r2"
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// INVALID-REG-POWERPC32: error: invalid value 'r3' in 'mstack-protector-guard-reg=', expected one of: r2

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