test/CodeGen/AArch64/regress-w29-reserved-with-fp.ll

; RUN: llc -mtriple=aarch64-none-linux-gnu -disable-fp-elim < %s | FileCheck %s
@var = global i32 0

declare void @bar()

define void @test_w29_reserved() {
; CHECK-LABEL: test_w29_reserved:
; CHECK: .cfi_startproc
; CHECK: .cfi_def_cfa sp, 96
; CHECK: add x29, sp, #{{[0-9]+}}
; CHECK: .cfi_def_cfa x29, 16
; CHECK: .cfi_offset x30, -8
; CHECK: .cfi_offset x29, -16
; CHECK: .cfi_offset x28, -24
; CHECK: .cfi_offset x27, -32
; CHECK: .cfi_offset x26, -40
; CHECK: .cfi_offset x25, -48
; CHECK: .cfi_offset x24, -56
; CHECK: .cfi_offset x23, -64
; CHECK: .cfi_offset x22, -72
; CHECK: .cfi_offset x21, -80
; CHECK: .cfi_offset x20, -88
; CHECK: .cfi_offset x19, -96

  %val1 = load volatile i32* @var
  %val2 = load volatile i32* @var
  %val3 = load volatile i32* @var
  %val4 = load volatile i32* @var
  %val5 = load volatile i32* @var
  %val6 = load volatile i32* @var
  %val7 = load volatile i32* @var
  %val8 = load volatile i32* @var
  %val9 = load volatile i32* @var

; CHECK-NOT: ldr w29,

  ; Call to prevent fp-elim that occurs regardless in leaf functions.
  call void @bar()

  store volatile i32 %val1,  i32* @var
  store volatile i32 %val2,  i32* @var
  store volatile i32 %val3,  i32* @var
  store volatile i32 %val4,  i32* @var
  store volatile i32 %val5,  i32* @var
  store volatile i32 %val6,  i32* @var
  store volatile i32 %val7,  i32* @var
  store volatile i32 %val8,  i32* @var
  store volatile i32 %val9,  i32* @var

  ret void
; CHECK: ret
}