1 ; RUN: opt < %s -sancov -sanitizer-coverage-level=4 -sanitizer-coverage-trace-pc-guard -S | FileCheck %s --check-prefix=CHECK_TRACE_PC_GUARD 2 3 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" 4 target triple = "x86_64-apple-darwin10.0.0" 5 define void @foo(i32* %a) sanitize_address { 6 entry: 7 %tobool = icmp eq i32* %a, null 8 br i1 %tobool, label %if.end, label %if.then 9 10 if.then: ; preds = %entry 11 store i32 0, i32* %a, align 4 12 br label %if.end 13 14 if.end: ; preds = %entry, %if.then 15 ret void 16 } 17 18 %struct.StructWithVptr = type { i32 (...)** } 19 20 define void @CallViaVptr(%struct.StructWithVptr* %foo) uwtable sanitize_address { 21 entry: 22 %0 = bitcast %struct.StructWithVptr* %foo to void (%struct.StructWithVptr*)*** 23 %vtable = load void (%struct.StructWithVptr*)**, void (%struct.StructWithVptr*)*** %0, align 8 24 %1 = load void (%struct.StructWithVptr*)*, void (%struct.StructWithVptr*)** %vtable, align 8 25 tail call void %1(%struct.StructWithVptr* %foo) 26 tail call void %1(%struct.StructWithVptr* %foo) 27 tail call void asm sideeffect "", ""() 28 ret void 29 } 30 31 ; CHECK_TRACE_PC_GUARD-LABEL: define void @foo 32 ; CHECK_TRACE_PC_GUARD: call void @__sanitizer_cov_trace_pc 33 ; CHECK_TRACE_PC_GUARD: call void asm sideeffect "", ""() 34 ; CHECK_TRACE_PC_GUARD: ret void 35 36 ; CHECK_TRACE_PC_GUARD-LABEL: define void @CallViaVptr 37 ; CHECK_TRACE_PC_GUARD: call void @__sanitizer_cov_trace_pc_indir 38 ; CHECK_TRACE_PC_GUARD: call void @__sanitizer_cov_trace_pc_indir 39 ; CHECK_TRACE_PC_GUARD: ret void 40 41 ; CHECK_TRACE_PC_GUARD-LABEL: define internal void @sancov.module_ctor() { 42 43
