[TwoAddressInstructionPass] When looking for a 3 addr conversion after commuting...
[oota-llvm.git] / test / CodeGen / X86 / 2009-06-15-not-a-tail-call.ll
1 ; RUN: llc < %s -march=x86 -tailcallopt | not grep TAILCALL 
2
3 ; Bug 4396. This tail call can NOT be optimized.
4
5 declare fastcc i8* @_D3gcx2GC12mallocNoSyncMFmkZPv() nounwind
6
7 define fastcc i8* @_D3gcx2GC12callocNoSyncMFmkZPv() nounwind {
8 entry:
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
14 declare i8* @memset(i8*, i32, i64)