llvm/test/CodeGen/X86/2009-06-15-not-a-tail-call.ll
2009-09-08 23:54:48 +00:00

15 lines
456 B
LLVM

; RUN: llc < %s -march=x86 -tailcallopt | not grep TAILCALL
; Bug 4396. This tail call can NOT be optimized.
declare fastcc i8* @_D3gcx2GC12mallocNoSyncMFmkZPv() nounwind
define fastcc i8* @_D3gcx2GC12callocNoSyncMFmkZPv() nounwind {
entry:
%tmp6 = tail call fastcc i8* @_D3gcx2GC12mallocNoSyncMFmkZPv() ; <i8*> [#uses=2]
%tmp9 = tail call i8* @memset(i8* %tmp6, i32 0, i64 2) ; <i8*> [#uses=0]
ret i8* %tmp6
}
declare i8* @memset(i8*, i32, i64)