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Really commit the test checking the argument lowering behaviour on x86-64 :).

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llvm-svn: 50478
This commit is contained in:
Arnold Schwaighofer 2008-04-30 09:19:47 +00:00
parent f58a35e2ec
commit 29a654857a
1 changed files with 21 additions and 0 deletions
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test/CodeGen/X86/tailcallstack64.ll Normal file
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; RUN: llvm-as < %s | llc -tailcallopt -march=x86-64 | grep TAILCALL
; Check that lowered arguments on the stack do not overwrite each other.
; Move param %in1 to temp register (%eax).
; RUN: llvm-as < %s | llc -tailcallopt -march=x86-64 -x86-asm-syntax=att | grep {movl 40(%rsp), %eax}
; Add %in1 %p1 to another temporary register (%r9d).
; RUN: llvm-as < %s | llc -tailcallopt -march=x86-64 -x86-asm-syntax=att | grep {movl %edi, %r9d}
; RUN: llvm-as < %s | llc -tailcallopt -march=x86-64 -x86-asm-syntax=att | grep {addl 32(%rsp), %r9d}
; Move result of addition to stack.
; RUN: llvm-as < %s | llc -tailcallopt -march=x86-64 -x86-asm-syntax=att | grep {movl %r9d, 40(%rsp)}
; Move param %in2 to stack.
; RUN: llvm-as < %s | llc -tailcallopt -march=x86-64 -x86-asm-syntax=att | grep {movl %eax, 32(%rsp)}
declare fastcc i32 @tailcallee(i32 %p1, i32 %p2, i32 %p3, i32 %p4, i32 %p5, i32 %a, i32 %b)
define fastcc i32 @tailcaller(i32 %p1, i32 %p2, i32 %p3, i32 %p4, i32 %p5, i32 %in1, i32 %in2) {
entry:
%tmp = add i32 %in1, %p1
%retval = tail call fastcc i32 @tailcallee(i32 %p1, i32 %p2, i32 %p3, i32 %p4, i32 %p5, i32 %in2,i32 %tmp)
ret i32 %retval
}