1; RUN: opt < %s -inline -S | FileCheck %s
2; RUN: opt < %s -passes='cgscc(inline)' -S | FileCheck %s
3
4; InlineFunction would assert inside the loop that leaves lifetime markers if
5; there was an zero-sized AllocaInst. Check that it doesn't assert and doesn't
6; leave lifetime markers in that case.
7
8declare i32 @callee2(i8*)
9
10define i32 @callee1(i32 %count) {
11  %a0 = alloca i8, i32 %count, align 4
12  %call0 = call i32 @callee2(i8* %a0)
13  ret i32 %call0
14}
15
16; CHECK-LABEL: define i32 @caller1(
17; CHECK: [[ALLOCA:%[a-z0-9\.]+]] = alloca i8
18; CHECK-NOT: call void @llvm.lifetime.start.p0i8(
19; CHECK: call i32 @callee2(i8* [[ALLOCA]])
20; CHECK-NOT: call void @llvm.lifetime.end.p0i8(
21
22define i32 @caller1(i32 %count) {
23  %call0 = call i32 @callee1(i32 0)
24  ret i32 %call0
25}
26