1; RUN: opt < %s -simplifycfg -S | FileCheck %s 2 3; Test that a lifetime intrinsic doesn't prevent us from simplifying this. 4 5; CHECK: foo 6; CHECK: entry: 7; CHECK-NOT: bb0: 8; CHECK-NOT: bb1: 9; CHECK: ret 10define void @foo(i1 %x) { 11entry: 12 %a = alloca i8 13 call void @llvm.lifetime.start(i64 -1, i8* %a) nounwind 14 br i1 %x, label %bb0, label %bb1 15 16bb0: 17 call void @llvm.lifetime.end(i64 -1, i8* %a) nounwind 18 br label %bb1 19 20bb1: 21 call void @f() 22 ret void 23} 24 25declare void @f() 26 27declare void @llvm.lifetime.start(i64, i8* nocapture) nounwind 28 29declare void @llvm.lifetime.end(i64, i8* nocapture) nounwind 30