xref: /llvm-project/llvm/test/Transforms/SafeStack/X86/no-crash-on-lifetime.ll (revision 3bd517205799a152689434ceddf9493765f1e883)
1; Check that the pass does not crash on the code.
2; RUN: opt -safe-stack -S -mtriple=x86_64-pc-linux-gnu %s -o /dev/null
3; RUN: opt -passes=safe-stack -S -mtriple=x86_64-pc-linux-gnu %s -o /dev/null
4
5%class.F = type { %class.o, i8, [7 x i8] }
6%class.o = type <{ ptr, i32, [4 x i8] }>
7
8define dso_local void @_ZN1s1tE1F(ptr byval(%class.F) %g) local_unnamed_addr safestack align 32 {
9entry:
10  %ref.tmp.i.i.i = alloca i64, align 1
11  call void undef(ptr %g)
12  call void @llvm.lifetime.start.p0(i64 3, ptr %ref.tmp.i.i.i)
13  ret void
14}
15
16declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1
17
18