20 lines
1.0 KiB
C
20 lines
1.0 KiB
C
// RUN: %clang_cc1 -triple x86_64-unknown-linux -fsanitize=cfi-icall -fsanitize-trap=cfi-icall -emit-llvm -o - %s | FileCheck --check-prefix=CHECK --check-prefix=UNGENERALIZED %s
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// RUN: %clang_cc1 -triple x86_64-unknown-linux -fsanitize=cfi-icall -fsanitize-trap=cfi-icall -fsanitize-cfi-icall-generalize-pointers -emit-llvm -o - %s | FileCheck --check-prefix=CHECK --check-prefix=GENERALIZED %s
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// Test that const char* is generalized to const void* and that const char** is
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// generalized to void*
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// CHECK: define{{.*}} i32** @f({{.*}} !type [[TYPE:![0-9]+]] !type [[TYPE_GENERALIZED:![0-9]+]]
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int** f(const char *a, const char **b) {
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return (int**)0;
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}
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void g(int** (*fp)(const char *, const char **)) {
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// UNGENERALIZED: call i1 @llvm.type.test(i8* {{.*}}, metadata !"_ZTSFPPiPKcPS2_E")
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// GENERALIZED: call i1 @llvm.type.test(i8* {{.*}}, metadata !"_ZTSFPvPKvS_E.generalized")
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fp(0, 0);
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}
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// CHECK: [[TYPE]] = !{i64 0, !"_ZTSFPPiPKcPS2_E"}
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// CHECK: [[TYPE_GENERALIZED]] = !{i64 0, !"_ZTSFPvPKvS_E.generalized"}
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