| ; This test checks that we are not instrumenting sanitizer code. |
| ; RUN: opt < %s -passes='asan-pipeline' -S | FileCheck %s |
| |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| ; Function with sanitize_address is instrumented. |
| ; Function Attrs: nounwind uwtable |
| define void @instr_sa(i32* %a) sanitize_address { |
| entry: |
| %tmp1 = load i32, i32* %a, align 4 |
| %tmp2 = add i32 %tmp1, 1 |
| store i32 %tmp2, i32* %a, align 4 |
| ret void |
| } |
| |
| ; CHECK-LABEL: @instr_sa |
| ; CHECK: call void @__asan_report_load |
| |
| |
| ; Function with disable_sanitizer_instrumentation is not instrumented. |
| ; Function Attrs: nounwind uwtable |
| define void @noinstr_dsi(i32* %a) disable_sanitizer_instrumentation { |
| entry: |
| %tmp1 = load i32, i32* %a, align 4 |
| %tmp2 = add i32 %tmp1, 1 |
| store i32 %tmp2, i32* %a, align 4 |
| ret void |
| } |
| |
| ; CHECK-LABEL: @noinstr_dsi |
| ; CHECK-NOT: call void @__asan_report_load |
| |
| |
| ; disable_sanitizer_instrumentation takes precedence over sanitize_address. |
| ; Function Attrs: nounwind uwtable |
| define void @noinstr_dsi_sa(i32* %a) disable_sanitizer_instrumentation sanitize_address { |
| entry: |
| %tmp1 = load i32, i32* %a, align 4 |
| %tmp2 = add i32 %tmp1, 1 |
| store i32 %tmp2, i32* %a, align 4 |
| ret void |
| } |
| |
| ; CHECK-LABEL: @noinstr_dsi_sa |
| ; CHECK-NOT: call void @__asan_report_load |
| |