1 ; Test for -msan-disable-checks, which should treat every function in the file
2 ; as if it didn't have the sanitize_memory attribute.
3 ; RUN: opt < %s -msan-check-access-address=0 -S -passes='module(msan)' 2>&1 | FileCheck -allow-deprecated-dag-overlap -check-prefixes=CHECK,INSTR %s
4 ; RUN: opt < %s -msan-check-access-address=0 -S -passes='module(msan)' -msan-disable-checks=1 2>&1 | FileCheck -allow-deprecated-dag-overlap -check-prefixes=CHECK,NOSANITIZE %s
6 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-S128"
7 target triple = "x86_64-unknown-linux-gnu"
11 define i32 @SanitizeFn(i32 %x) uwtable sanitize_memory {
13 %tobool = icmp eq i32 %x, 0
14 br i1 %tobool, label %if.end, label %if.then
16 if.then: ; preds = %entry
20 if.end: ; preds = %entry, %if.then
24 ; CHECK-LABEL: @SanitizeFn
25 ; INSTR: @__msan_warning
26 ; NOSANITIZE-NOT: @__msan_warning
27 ; NOSANITIZE: store i32 0, {{.*}} @__msan_retval_tls
31 define i32 @NoSanitizeFn(i32 %x) uwtable {
33 %tobool = icmp eq i32 %x, 0
34 br i1 %tobool, label %if.end, label %if.then
36 if.then: ; preds = %entry
40 if.end: ; preds = %entry, %if.then
45 ; CHECK-LABEL: @NoSanitizeFn
46 ; CHECK-NOT: @__msan_warning
47 ; CHECK: store i32 0, {{.*}} @__msan_retval_tls