| ; Make sure MSan handles llvm.launder.invariant.group correctly. |
| |
| ; RUN: opt < %s -passes='module(msan),default<O1>' -msan-kernel=1 -S | FileCheck -check-prefixes=CHECK %s |
| ; RUN: opt < %s -passes='module(msan),default<O1>' -S | FileCheck -check-prefixes=CHECK %s |
| |
| target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| @flag = dso_local local_unnamed_addr global i8 0, align 1 |
| |
| define dso_local ptr @f(ptr %x) local_unnamed_addr #0 { |
| entry: |
| %0 = call ptr @llvm.strip.invariant.group.p0(ptr %x) |
| ret ptr %0 |
| } |
| |
| ; CHECK-NOT: call void @__msan_warning_with_origin_noreturn |
| |
| declare ptr @llvm.strip.invariant.group.p0(ptr) |
| |
| attributes #0 = { sanitize_memory uwtable } |
