1464df872SEvgeniy Stepanov; Make sure MSan handles llvm.launder.invariant.group correctly. 2464df872SEvgeniy Stepanov 3e7bac3b9SVitaly Buka; RUN: opt < %s -passes='module(msan),default<O1>' -msan-kernel=1 -S | FileCheck -check-prefixes=CHECK %s 4e7bac3b9SVitaly Buka; RUN: opt < %s -passes='module(msan),default<O1>' -S | FileCheck -check-prefixes=CHECK %s 5464df872SEvgeniy Stepanov 6464df872SEvgeniy Stepanovtarget datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 7464df872SEvgeniy Stepanovtarget triple = "x86_64-unknown-linux-gnu" 8464df872SEvgeniy Stepanov 9464df872SEvgeniy Stepanov@flag = dso_local local_unnamed_addr global i8 0, align 1 10464df872SEvgeniy Stepanov 11*21c3df4bSMatt Arsenaultdefine dso_local ptr @f(ptr %x) local_unnamed_addr #0 { 12464df872SEvgeniy Stepanoventry: 13*21c3df4bSMatt Arsenault %0 = call ptr @llvm.strip.invariant.group.p0(ptr %x) 14*21c3df4bSMatt Arsenault ret ptr %0 15464df872SEvgeniy Stepanov} 16464df872SEvgeniy Stepanov 17b0ffa8beSGui Andrade; CHECK-NOT: call void @__msan_warning_with_origin_noreturn 18464df872SEvgeniy Stepanov 19*21c3df4bSMatt Arsenaultdeclare ptr @llvm.strip.invariant.group.p0(ptr) 20464df872SEvgeniy Stepanov 21464df872SEvgeniy Stepanovattributes #0 = { sanitize_memory uwtable } 22