File: call-lowering-tail-call-fallback.ll

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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 3
; RUN: llc -mtriple=aarch64-unknown-linux-gnu -global-isel < %s | FileCheck %s

declare void @func(i64, i64, i64, i64, i64, i128, i128)

; Make sure the check for whether a tail call is allowed does not affect the
; calling convention if it fails.
; The first i128 argument should be passed in registers, not on the stack.
define void @pr70207(i128 %arg1, i128 %arg2) nounwind {
; CHECK-LABEL: pr70207:
; CHECK:       // %bb.0:
; CHECK-NEXT:    mov x8, x2
; CHECK-NEXT:    mov x6, x0
; CHECK-NEXT:    mov x7, x1
; CHECK-NEXT:    mov x9, x3
; CHECK-NEXT:    mov x0, xzr
; CHECK-NEXT:    mov x1, xzr
; CHECK-NEXT:    mov x2, xzr
; CHECK-NEXT:    mov x3, xzr
; CHECK-NEXT:    mov x4, xzr
; CHECK-NEXT:    str x8, [sp, #-32]!
; CHECK-NEXT:    stp x9, x30, [sp, #8] // 8-byte Folded Spill
; CHECK-NEXT:    bl func
; CHECK-NEXT:    ldr x30, [sp, #16] // 8-byte Folded Reload
; CHECK-NEXT:    add sp, sp, #32
; CHECK-NEXT:    ret
  tail call void @func(i64 0, i64 0, i64 0, i64 0, i64 0, i128 %arg1, i128 %arg2)
  ret void
}