llvm/test/CodeGen/X86/tailcall-calleesave.ll
Tim Northover b04578c21b X86: specify CPU on new test to fix atom buildbot
Apparently Atoms use lea for stack adjustment, which we weren't
looking for.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187704 91177308-0d34-0410-b5e6-96231b3b80d8
2013-08-04 10:00:45 +00:00

20 lines
559 B
LLVM

; RUN: llc -march=x86 -tailcallopt -mcpu=core < %s | FileCheck %s
target triple = "i686-apple-darwin"
declare fastcc void @foo(i32, i32, i32, i32, i32, i32)
declare i32* @bar(i32*)
define fastcc void @hoge(i32 %b) nounwind {
; Do not overwrite pushed callee-save registers
; CHECK: pushl
; CHECK: subl $[[SIZE:[0-9]+]], %esp
; CHECK-NOT: [[SIZE]](%esp)
%a = alloca i32
store i32 0, i32* %a
%d = tail call i32* @bar(i32* %a) nounwind
store i32 %b, i32* %d
tail call fastcc void @foo(i32 1, i32 2, i32 3, i32 4, i32 5, i32 6) nounwind
ret void
}