| 1 | // 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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| 2 | // 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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| 3 | |
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| 4 | // Test that const char* is generalized to const void* and that const char** is |
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| 5 | // generalized to void* |
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| 6 | |
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| 7 | // CHECK: define i32** @f({{.*}} !type [[TYPE:![0-9]+]] !type [[TYPE_GENERALIZED:![0-9]+]] |
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| 8 | int** f(const char *a, const char **b) { |
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| 9 | return (int**)0; |
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| 10 | } |
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| 11 | |
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| 12 | void g(int** (*fp)(const char *, const char **)) { |
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| 13 | // UNGENERALIZED: call i1 @llvm.type.test(i8* {{.*}}, metadata !"_ZTSFPPiPKcPS2_E") |
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| 14 | // GENERALIZED: call i1 @llvm.type.test(i8* {{.*}}, metadata !"_ZTSFPvPKvS_E.generalized") |
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| 15 | fp(0, 0); |
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| 16 | } |
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| 17 | |
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| 18 | // CHECK: [[TYPE]] = !{i64 0, !"_ZTSFPPiPKcPS2_E"} |
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| 19 | // CHECK: [[TYPE_GENERALIZED]] = !{i64 0, !"_ZTSFPvPKvS_E.generalized"} |
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| 20 | |
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