1 // REQUIRES: x86-registered-target 2 3 // RUN: %clang_cc1 -triple x86_64-unknown-fuchsia -O2 -flto -ffat-lto-objects \ 4 // RUN: -fsanitize=cfi-icall -fsanitize-trap=cfi-icall -fvisibility=hidden -emit-llvm -o - %s \ 5 // RUN: | FileCheck %s 6 7 // CHECK: llvm.embedded.object 8 // CHECK-SAME: section ".llvm.lto" 9 10 // CHECK-LABEL: define hidden void @foo 11 // CHECK: entry: 12 // CHECK-NEXT: %cmp14.not = icmp eq i64 %len, 0 13 // CHECK-NEXT: br i1 %cmp14.not, label %for.end7, label %for.cond1.preheader.preheader 14 // CHECK: for.cond1.preheader.preheader: ; preds = %entry 15 // CHECK-NEXT: %arrayidx.1 = getelementptr inbounds nuw i8, ptr %ptr, i64 4 16 // CHECK-NEXT: br label %for.cond1.preheader 17 18 // CHECK-NOT: @llvm.type.test 19 20 // The code below is a reduced case from https://github.com/llvm/llvm-project/issues/112053 21 #define __PRINTFLIKE(__fmt, __varargs) __attribute__((__format__(__printf__, __fmt, __varargs))) 22 typedef void func(void* arg, const char* fmt, ...) __PRINTFLIKE(2, 3); 23 typedef __SIZE_TYPE__ size_t; 24 typedef unsigned long uintptr_t; 25 26 extern "C" 27 void foo(const void* ptr, size_t len, long disp_addr, 28 func* printf_func, void* printf_arg) { 29 uintptr_t address = (uintptr_t)ptr; 30 size_t count; 31 32 for (count = 0; count < len; count += 16) { 33 union { 34 unsigned int buf[4]; 35 unsigned char cbuf[16]; 36 } u; 37 size_t s = 10; 38 size_t i; 39 40 for (i = 0; i < s / 4; i++) { 41 u.buf[i] = ((const unsigned int*)address)[i]; 42 printf_func(printf_arg, "%08x ", static_cast<unsigned int>(u.buf[i])); 43 } 44 } 45 } 46 47