| |
| ; RUN: opt < %s -passes='module(sancov-module)' -sanitizer-coverage-level=4 -sanitizer-coverage-trace-pc -S | FileCheck %s --check-prefix=CHECK_TRACE_PC |
| ; RUN: opt < %s -passes='module(sancov-module)' -sanitizer-coverage-level=3 -sanitizer-coverage-prune-blocks=1 -S | FileCheck %s --check-prefix=CHECKPRUNE |
| |
| 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" |
| target triple = "x86_64-unknown-linux-gnu" |
| define void @foo(ptr %a) sanitize_address { |
| entry: |
| %tobool = icmp eq ptr %a, null |
| br i1 %tobool, label %if.end, label %if.then |
| |
| if.then: ; preds = %entry |
| store i32 0, ptr %a, align 4 |
| br label %if.end |
| |
| if.end: ; preds = %entry, %if.then |
| ret void |
| } |
| |
| %struct.StructWithVptr = type { ptr } |
| |
| define void @CallViaVptr(ptr %foo) uwtable sanitize_address { |
| entry: |
| %vtable = load ptr, ptr %foo, align 8 |
| %0 = load ptr, ptr %vtable, align 8 |
| tail call void %0(ptr %foo) |
| tail call void %0(ptr %foo) |
| tail call void asm sideeffect "", ""() |
| ret void |
| } |
| |
| ; CHECK_TRACE_PC-LABEL: define void @foo |
| ; CHECK_TRACE_PC: call void @__sanitizer_cov_trace_pc |
| ; CHECK_TRACE_PC: call void @__sanitizer_cov_trace_pc |
| ; CHECK_TRACE_PC: call void @__sanitizer_cov_trace_pc |
| ; CHECK_TRACE_PC: ret void |
| |
| ; CHECK_TRACE_PC-LABEL: define void @CallViaVptr |
| ; CHECK_TRACE_PC: call void @__sanitizer_cov_trace_pc_indir |
| ; CHECK_TRACE_PC: call void @__sanitizer_cov_trace_pc_indir |
| ; CHECK_TRACE_PC: ret void |
| |
| define void @call_unreachable() uwtable sanitize_address { |
| entry: |
| unreachable |
| } |
| |
| ; CHECKPRUNE-LABEL: define void @foo |
| ; CHECKPRUNE: call void @__sanitizer_cov |
| ; CHECKPRUNE: call void @__sanitizer_cov |
| ; CHECKPRUNE: call void @__sanitizer_cov |
| ; CHECKPRUNE-NOT: call void @__sanitizer_cov |
| ; CHECKPRUNE: ret void |
