llvm-for-llvmta/test/CodeGen/X86/tailcallbyval.ll

22 lines
739 B
LLVM

; RUN: llc < %s -mtriple=i686-unknown-linux -tailcallopt | FileCheck %s
%struct.s = type {i32, i32, i32, i32, i32, i32, i32, i32,
i32, i32, i32, i32, i32, i32, i32, i32,
i32, i32, i32, i32, i32, i32, i32, i32 }
define fastcc i32 @tailcallee(%struct.s* byval(%struct.s) %a) nounwind {
entry:
%tmp2 = getelementptr %struct.s, %struct.s* %a, i32 0, i32 0
%tmp3 = load i32, i32* %tmp2
ret i32 %tmp3
; CHECK: tailcallee
; CHECK: movl 4(%esp), %eax
}
define fastcc i32 @tailcaller(%struct.s* byval(%struct.s) %a) nounwind {
entry:
%tmp4 = tail call fastcc i32 @tailcallee(%struct.s* byval(%struct.s) %a )
ret i32 %tmp4
; CHECK: tailcaller
; CHECK: jmp tailcallee
}