forked from OSchip/llvm-project
63 lines
2.3 KiB
C++
63 lines
2.3 KiB
C++
// RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm -o - %s | FileCheck -check-prefix=WITHOUT %s
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// RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm -o - %s -fsanitize=thread | FileCheck -check-prefix=TSAN %s
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// RUN: echo "src:%s" | sed -e 's/\\/\\\\/g' > %t
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// RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm -o - %s -fsanitize=thread -fsanitize-ignorelist=%t | FileCheck -check-prefix=BL %s
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// The sanitize_thread attribute should be attached to functions
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// when ThreadSanitizer is enabled, unless no_sanitize_thread attribute
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// is present.
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// WITHOUT: NoTSAN1{{.*}}) [[NOATTR:#[0-9]+]]
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// BL: NoTSAN1{{.*}}) [[NOATTR:#[0-9]+]]
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// TSAN: NoTSAN1{{.*}}) [[NOATTR:#[0-9]+]]
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__attribute__((no_sanitize_thread))
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int NoTSAN1(int *a) { return *a; }
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// WITHOUT: NoTSAN2{{.*}}) [[NOATTR]]
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// BL: NoTSAN2{{.*}}) [[NOATTR]]
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// TSAN: NoTSAN2{{.*}}) [[NOATTR]]
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__attribute__((no_sanitize_thread))
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int NoTSAN2(int *a);
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int NoTSAN2(int *a) { return *a; }
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// WITHOUT: NoTSAN3{{.*}}) [[NOATTR:#[0-9]+]]
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// BL: NoTSAN3{{.*}}) [[NOATTR:#[0-9]+]]
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// TSAN: NoTSAN3{{.*}}) [[NOATTR:#[0-9]+]]
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__attribute__((no_sanitize("thread")))
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int NoTSAN3(int *a) { return *a; }
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// WITHOUT: TSANOk{{.*}}) [[NOATTR]]
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// BL: TSANOk{{.*}}) [[NOATTR]]
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// TSAN: TSANOk{{.*}}) [[WITH:#[0-9]+]]
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int TSANOk(int *a) { return *a; }
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// WITHOUT: TemplateTSANOk{{.*}}) [[NOATTR]]
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// BL: TemplateTSANOk{{.*}}) [[NOATTR]]
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// TSAN: TemplateTSANOk{{.*}}) [[WITH]]
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template<int i>
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int TemplateTSANOk() { return i; }
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// WITHOUT: TemplateNoTSAN{{.*}}) [[NOATTR]]
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// BL: TemplateNoTSAN{{.*}}) [[NOATTR]]
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// TSAN: TemplateNoTSAN{{.*}}) [[NOATTR]]
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template<int i>
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__attribute__((no_sanitize_thread))
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int TemplateNoTSAN() { return i; }
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int force_instance = TemplateTSANOk<42>()
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+ TemplateNoTSAN<42>();
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// Check that __cxx_global_var_init* get the sanitize_thread attribute.
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int global1 = 0;
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int global2 = *(int*)((char*)&global1+1);
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// WITHOUT: @__cxx_global_var_init{{.*}}[[NOATTR:#[0-9]+]]
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// BL: @__cxx_global_var_init{{.*}}[[NOATTR:#[0-9]+]]
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// TSAN: @__cxx_global_var_init{{.*}}[[WITH:#[0-9]+]]
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// WITHOUT: attributes [[NOATTR]] = { noinline nounwind{{.*}} }
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// BL: attributes [[NOATTR]] = { noinline nounwind{{.*}} }
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// TSAN: attributes [[NOATTR]] = { mustprogress noinline nounwind{{.*}} }
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// TSAN: attributes [[WITH]] = { noinline nounwind sanitize_thread{{.*}} }
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