forked from OSchip/llvm-project
54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
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// RUN: %clang_cc1 -triple %ms_abi_triple -fms-extensions -emit-llvm -O2 -o - %s | FileCheck %s
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void target_func();
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void (*func_ptr)() = &target_func;
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// The "guard_nocf" attribute must be added.
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__declspec(guard(nocf)) void nocf0() {
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(*func_ptr)();
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}
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// CHECK-LABEL: nocf0
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// CHECK: call{{.*}}[[NOCF:#[0-9]+]]
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// The "guard_nocf" attribute must *not* be added.
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void cf0() {
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(*func_ptr)();
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}
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// CHECK-LABEL: cf0
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// CHECK: call{{.*}}[[CF:#[0-9]+]]
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// If the modifier is present on either the function declaration or definition,
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// the "guard_nocf" attribute must be added.
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__declspec(guard(nocf)) void nocf1();
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void nocf1() {
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(*func_ptr)();
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}
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// CHECK-LABEL: nocf1
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// CHECK: call{{.*}}[[NOCF:#[0-9]+]]
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void nocf2();
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__declspec(guard(nocf)) void nocf2() {
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(*func_ptr)();
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}
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// CHECK-LABEL: nocf2
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// CHECK: call{{.*}}[[NOCF:#[0-9]+]]
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// When inlining a function, the "guard_nocf" attribute on indirect calls must
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// be preserved.
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void nocf3() {
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nocf0();
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}
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// CHECK-LABEL: nocf3
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// CHECK: call{{.*}}[[NOCF:#[0-9]+]]
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// When inlining into a function marked as __declspec(guard(nocf)), the
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// "guard_nocf" attribute must *not* be added to the inlined calls.
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__declspec(guard(nocf)) void cf1() {
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cf0();
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}
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// CHECK-LABEL: cf1
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// CHECK: call{{.*}}[[CF:#[0-9]+]]
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// CHECK: attributes [[NOCF]] = { {{.*}}"guard_nocf"{{.*}} }
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// CHECK-NOT: attributes [[CF]] = { {{.*}}"guard_nocf"{{.*}} }
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