llvm/test/CodeGen/LoongArch/stptr.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc --mtriple=loongarch32 < %s | FileCheck %s --check-prefix=LA32
; RUN: llc --mtriple=loongarch64 < %s | FileCheck %s --check-prefix=LA64

;; Check that stptr.w is not emitted for small offsets.
define void @stptr_w_too_small_offset(ptr %p, i32 signext %val) nounwind {
; LA32-LABEL: stptr_w_too_small_offset:
; LA32:       # %bb.0:
; LA32-NEXT:    st.w $a1, $a0, 2044
; LA32-NEXT:    ret
;
; LA64-LABEL: stptr_w_too_small_offset:
; LA64:       # %bb.0:
; LA64-NEXT:    st.w $a1, $a0, 2044
; LA64-NEXT:    ret
  %addr = getelementptr inbounds i32, ptr %p, i64 511
  store i32 %val, ptr %addr, align 4
  ret void
}

;; Check that stptr.w is emitted for applicable offsets.
define void @stptr_w(ptr %p, i32 signext %val) nounwind {
; LA32-LABEL: stptr_w:
; LA32:       # %bb.0:
; LA32-NEXT:    ori $a2, $zero, 2048
; LA32-NEXT:    add.w $a0, $a0, $a2
; LA32-NEXT:    st.w $a1, $a0, 0
; LA32-NEXT:    ret
;
; LA64-LABEL: stptr_w:
; LA64:       # %bb.0:
; LA64-NEXT:    stptr.w $a1, $a0, 2048
; LA64-NEXT:    ret
  %addr = getelementptr inbounds i32, ptr %p, i64 512
  store i32 %val, ptr %addr, align 4
  ret void
}

;; Check that stptr.w is not emitted for out-of-range offsets.
define void @stptr_w_too_big_offset(ptr %p, i32 signext %val) nounwind {
; LA32-LABEL: stptr_w_too_big_offset:
; LA32:       # %bb.0:
; LA32-NEXT:    lu12i.w $a2, 8
; LA32-NEXT:    add.w $a0, $a0, $a2
; LA32-NEXT:    st.w $a1, $a0, 0
; LA32-NEXT:    ret
;
; LA64-LABEL: stptr_w_too_big_offset:
; LA64:       # %bb.0:
; LA64-NEXT:    lu12i.w $a2, 8
; LA64-NEXT:    stx.w $a1, $a0, $a2
; LA64-NEXT:    ret
  %addr = getelementptr inbounds i32, ptr %p, i64 8192
  store i32 %val, ptr %addr, align 4
  ret void
}

;; Check that stptr.d is not emitted for small offsets.
define void @stptr_d_too_small_offset(ptr %p, i64 %val) nounwind {
; LA32-LABEL: stptr_d_too_small_offset:
; LA32:       # %bb.0:
; LA32-NEXT:    st.w $a2, $a0, 2044
; LA32-NEXT:    st.w $a1, $a0, 2040
; LA32-NEXT:    ret
;
; LA64-LABEL: stptr_d_too_small_offset:
; LA64:       # %bb.0:
; LA64-NEXT:    st.d $a1, $a0, 2040
; LA64-NEXT:    ret
  %addr = getelementptr inbounds i64, ptr %p, i64 255
  store i64 %val, ptr %addr, align 8
  ret void
}

;; Check that stptr.d is emitted for applicable offsets.
define void @stptr_d(ptr %p, i64 %val) nounwind {
; LA32-LABEL: stptr_d:
; LA32:       # %bb.0:
; LA32-NEXT:    ori $a3, $zero, 2052
; LA32-NEXT:    add.w $a3, $a0, $a3
; LA32-NEXT:    st.w $a2, $a3, 0
; LA32-NEXT:    ori $a2, $zero, 2048
; LA32-NEXT:    add.w $a0, $a0, $a2
; LA32-NEXT:    st.w $a1, $a0, 0
; LA32-NEXT:    ret
;
; LA64-LABEL: stptr_d:
; LA64:       # %bb.0:
; LA64-NEXT:    stptr.d $a1, $a0, 2048
; LA64-NEXT:    ret
  %addr = getelementptr inbounds i64, ptr %p, i64 256
  store i64 %val, ptr %addr, align 8
  ret void
}

;; Check that stptr.d is not emitted for out-of-range offsets.
define void @stptr_d_too_big_offset(ptr %p, i64 %val) nounwind {
; LA32-LABEL: stptr_d_too_big_offset:
; LA32:       # %bb.0:
; LA32-NEXT:    lu12i.w $a3, 8
; LA32-NEXT:    add.w $a4, $a0, $a3
; LA32-NEXT:    st.w $a1, $a4, 0
; LA32-NEXT:    ori $a1, $a3, 4
; LA32-NEXT:    add.w $a0, $a0, $a1
; LA32-NEXT:    st.w $a2, $a0, 0
; LA32-NEXT:    ret
;
; LA64-LABEL: stptr_d_too_big_offset:
; LA64:       # %bb.0:
; LA64-NEXT:    lu12i.w $a2, 8
; LA64-NEXT:    stx.d $a1, $a0, $a2
; LA64-NEXT:    ret
  %addr = getelementptr inbounds i64, ptr %p, i64 4096
  store i64 %val, ptr %addr, align 8
  ret void
}