File: calllowering-tailcall.ll

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llvm-toolchain-20 1%3A20.1.8-1~exp1
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
; RUN: llc -mtriple=x86_64-linux-gnu -global-isel < %s | FileCheck %s --check-prefix=X64
; RUN: llc -mtriple=i686-linux-gnu -global-isel < %s | FileCheck %s --check-prefix=X86

declare ptr @foo()

define ptr @aligned_tailcall() nounwind {
; X64-LABEL: aligned_tailcall:
; X64:       # %bb.0: # %entry
; X64-NEXT:    pushq %rax
; X64-NEXT:    callq foo
; X64-NEXT:    popq %rcx
; X64-NEXT:    retq
;
; X86-LABEL: aligned_tailcall:
; X86:       # %bb.0: # %entry
; X86-NEXT:    subl $12, %esp
; X86-NEXT:    calll foo
; X86-NEXT:    addl $12, %esp
; X86-NEXT:    retl
entry:
  %call = tail call align 8 ptr @foo()
  ret ptr %call
}