forked from OSchip/llvm-project
22 lines
756 B
LLVM
22 lines
756 B
LLVM
; Make sure MSan handles llvm.launder.invariant.group correctly.
|
|
|
|
; RUN: opt < %s -passes='function(msan),default<O1>' -msan-kernel=1 -S | FileCheck -check-prefixes=CHECK %s
|
|
; RUN: opt < %s -passes='function(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 i8* @f(i8* %x) local_unnamed_addr #0 {
|
|
entry:
|
|
%0 = call i8* @llvm.strip.invariant.group.p0i8(i8* %x)
|
|
ret i8* %0
|
|
}
|
|
|
|
; CHECK-NOT: call void @__msan_warning_with_origin_noreturn
|
|
|
|
declare i8* @llvm.strip.invariant.group.p0i8(i8*)
|
|
|
|
attributes #0 = { sanitize_memory uwtable }
|