1; RUN: llc < %s -march=x86 -tailcallopt | not grep TAILCALL
2
3; Bug 4396. This tail call can NOT be optimized.
4
5declare fastcc i8* @_D3gcx2GC12mallocNoSyncMFmkZPv() nounwind
6
7define fastcc i8* @_D3gcx2GC12callocNoSyncMFmkZPv() nounwind {
8entry:
9	%tmp6 = tail call fastcc i8* @_D3gcx2GC12mallocNoSyncMFmkZPv()		; <i8*> [#uses=2]
10	%tmp9 = tail call i8* @memset(i8* %tmp6, i32 0, i64 2)		; <i8*> [#uses=0]
11	ret i8* %tmp6
12}
13
14declare i8* @memset(i8*, i32, i64)
15