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1; Make sure MSan handles llvm.launder.invariant.group correctly.2 3; RUN: opt < %s -passes='module(msan),default<O1>' -msan-kernel=1 -S | FileCheck -check-prefixes=CHECK %s4; RUN: opt < %s -passes='module(msan),default<O1>' -S | FileCheck -check-prefixes=CHECK %s5 6target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"7target triple = "x86_64-unknown-linux-gnu"8 9@flag = dso_local local_unnamed_addr global i8 0, align 110 11define dso_local ptr @f(ptr %x) local_unnamed_addr #0 {12entry:13 %0 = call ptr @llvm.strip.invariant.group.p0(ptr %x)14 ret ptr %015}16 17; CHECK-NOT: call void @__msan_warning_with_origin_noreturn18 19declare ptr @llvm.strip.invariant.group.p0(ptr)20 21attributes #0 = { sanitize_memory uwtable }22