1ef3de6b09
Resolvers are running before the module is initialised which leads to crashes due to the santizer is not yet initialised. Fixes #40287 Reviewed By: hctim Differential Revision: https://reviews.llvm.org/D150262
53 lines
1.4 KiB
C
53 lines
1.4 KiB
C
// RUN: %clang_cc1 -triple i386-unknown-linux-gnu -emit-llvm -o - %s | FileCheck %s
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// RUN: %clang_cc1 -triple i386-unknown-linux-gnu -O2 -emit-llvm -o - %s | FileCheck %s
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// RUN: %clang_cc1 -triple i386-unknown-linux-gnu -fsanitize=thread -O2 -emit-llvm -o - %s | FileCheck %s --check-prefix=SAN
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// RUN: %clang_cc1 -triple i386-unknown-linux-gnu -fsanitize=address -O2 -emit-llvm -o - %s | FileCheck %s --check-prefix=SAN
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// RUN: %clang_cc1 -triple i386-unknown-linux-gnu -fsanitize=memory -O2 -emit-llvm -o - %s | FileCheck %s --check-prefix=SAN
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int foo(int) __attribute__ ((ifunc("foo_ifunc")));
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static int f1(int i) {
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return i + 1;
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}
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static int f2(int i) {
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return i + 2;
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}
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typedef int (*foo_t)(int);
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int global;
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static foo_t foo_ifunc(void) {
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return global ? f1 : f2;
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}
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int bar(void) {
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return foo(1);
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}
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extern void goo(void);
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void bar2(void) {
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goo();
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}
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extern void goo(void) __attribute__ ((ifunc("goo_ifunc")));
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void* goo_ifunc(void) {
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return 0;
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}
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// CHECK: @foo = ifunc i32 (i32), ptr @foo_ifunc
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// CHECK: @goo = ifunc void (), ptr @goo_ifunc
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// CHECK: call i32 @foo(i32
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// CHECK: call void @goo()
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// SAN: define internal nonnull ptr @foo_ifunc() #[[#FOO_IFUNC:]] {
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// SAN: define dso_local noalias ptr @goo_ifunc() #[[#GOO_IFUNC:]] {
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// SAN-DAG: attributes #[[#FOO_IFUNC]] = {{{.*}} disable_sanitizer_instrumentation {{.*}}
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// SAN-DAG: attributes #[[#GOO_IFUNC]] = {{{.*}} disable_sanitizer_instrumentation {{.*}}
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