Heuristic: If the number of operands in the alias are more than the number of

[llvm/stm8.git] / test / Transforms / TailCallElim / move_alloca_for_tail_call.ll

; RUN: opt -tailcallelim %s -S | FileCheck %s
; PR615

declare void @bar(i32*)

define i32 @foo() {
; CHECK: i32 @foo()
; CHECK-NEXT: alloca
        %A = alloca i32         ; <i32*> [#uses=2]
        store i32 17, i32* %A
        call void @bar( i32* %A )
        %X = tail call i32 @foo( )              ; <i32> [#uses=1]
        ret i32 %X
}