1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -march=x86 -tailcallopt | not grep TAILCALL 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Worker; Bug 4396. This tail call can NOT be optimized. 4*9880d681SAndroid Build Coastguard Worker 5*9880d681SAndroid Build Coastguard Workerdeclare fastcc i8* @_D3gcx2GC12mallocNoSyncMFmkZPv() nounwind 6*9880d681SAndroid Build Coastguard Worker 7*9880d681SAndroid Build Coastguard Workerdefine fastcc i8* @_D3gcx2GC12callocNoSyncMFmkZPv() nounwind { 8*9880d681SAndroid Build Coastguard Workerentry: 9*9880d681SAndroid Build Coastguard Worker %tmp6 = tail call fastcc i8* @_D3gcx2GC12mallocNoSyncMFmkZPv() ; <i8*> [#uses=2] 10*9880d681SAndroid Build Coastguard Worker %tmp9 = tail call i8* @memset(i8* %tmp6, i32 0, i64 2) ; <i8*> [#uses=0] 11*9880d681SAndroid Build Coastguard Worker ret i8* %tmp6 12*9880d681SAndroid Build Coastguard Worker} 13*9880d681SAndroid Build Coastguard Worker 14*9880d681SAndroid Build Coastguard Workerdeclare i8* @memset(i8*, i32, i64) 15