File: gpreg-lazy-binding.ll

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llvm-toolchain-16 1%3A16.0.6-15~deb12u1
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; RUN: llc -march=mipsel -disable-mips-delay-filler -relocation-model=pic -mips-tail-calls=1 < %s | FileCheck %s

@g = external global i32

; CHECK:     move  $gp
; CHECK:     jalr  $25
; CHECK:     nop
; CHECK-NOT: move  $gp
; CHECK:     jr    $25

define void @f0() nounwind {
entry:
  tail call void @externalFunc() nounwind
  tail call fastcc void @internalFunc()
  ret void
}

declare void @externalFunc()

define internal fastcc void @internalFunc() nounwind noinline {
entry:
  %0 = load i32, ptr @g, align 4
  %inc = add nsw i32 %0, 1
  store i32 %inc, ptr @g, align 4
  ret void
}

define void @no_lazy(ptr %pf) {

; CHECK-LABEL:  no_lazy
; CHECK-NOT:    gp_disp

  tail call void %pf(i32 1)
  ret void
}