llvm/test/CodeGen/LoongArch/unaligned-access.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2

;; Test the ual feature which is similar to AArch64/arm64-strict-align.ll.

; RUN: llc --mtriple=loongarch32 -mattr=+d < %s | FileCheck %s --check-prefix=LA32-ALIGNED
; RUN: llc --mtriple=loongarch32 --mattr=+ual < %s | FileCheck %s --check-prefix=LA32-UNALIGNED
; RUN: llc --mtriple=loongarch32 --mattr=-ual < %s | FileCheck %s --check-prefix=LA32-ALIGNED

; RUN: llc --mtriple=loongarch64 -mattr=+d < %s | FileCheck %s --check-prefix=LA64-UNALIGNED
; RUN: llc --mtriple=loongarch64 --mattr=+ual < %s | FileCheck %s --check-prefix=LA64-UNALIGNED
; RUN: llc --mtriple=loongarch64 --mattr=-ual < %s | FileCheck %s --check-prefix=LA64-ALIGNED

define i32 @f0(ptr %p) nounwind {
; LA32-ALIGNED-LABEL: f0:
; LA32-ALIGNED:       # %bb.0:
; LA32-ALIGNED-NEXT:    ld.hu $a1, $a0, 2
; LA32-ALIGNED-NEXT:    ld.hu $a0, $a0, 0
; LA32-ALIGNED-NEXT:    slli.w $a1, $a1, 16
; LA32-ALIGNED-NEXT:    or $a0, $a1, $a0
; LA32-ALIGNED-NEXT:    ret
;
; LA32-UNALIGNED-LABEL: f0:
; LA32-UNALIGNED:       # %bb.0:
; LA32-UNALIGNED-NEXT:    ld.w $a0, $a0, 0
; LA32-UNALIGNED-NEXT:    ret
;
; LA64-UNALIGNED-LABEL: f0:
; LA64-UNALIGNED:       # %bb.0:
; LA64-UNALIGNED-NEXT:    ld.w $a0, $a0, 0
; LA64-UNALIGNED-NEXT:    ret
;
; LA64-ALIGNED-LABEL: f0:
; LA64-ALIGNED:       # %bb.0:
; LA64-ALIGNED-NEXT:    ld.h $a1, $a0, 2
; LA64-ALIGNED-NEXT:    ld.hu $a0, $a0, 0
; LA64-ALIGNED-NEXT:    slli.d $a1, $a1, 16
; LA64-ALIGNED-NEXT:    or $a0, $a1, $a0
; LA64-ALIGNED-NEXT:    ret
  %tmp = load i32, ptr %p, align 2
  ret i32 %tmp
}

define i64 @f1(ptr %p) nounwind {
; LA32-ALIGNED-LABEL: f1:
; LA32-ALIGNED:       # %bb.0:
; LA32-ALIGNED-NEXT:    ld.w $a2, $a0, 0
; LA32-ALIGNED-NEXT:    ld.w $a1, $a0, 4
; LA32-ALIGNED-NEXT:    move $a0, $a2
; LA32-ALIGNED-NEXT:    ret
;
; LA32-UNALIGNED-LABEL: f1:
; LA32-UNALIGNED:       # %bb.0:
; LA32-UNALIGNED-NEXT:    ld.w $a2, $a0, 0
; LA32-UNALIGNED-NEXT:    ld.w $a1, $a0, 4
; LA32-UNALIGNED-NEXT:    move $a0, $a2
; LA32-UNALIGNED-NEXT:    ret
;
; LA64-UNALIGNED-LABEL: f1:
; LA64-UNALIGNED:       # %bb.0:
; LA64-UNALIGNED-NEXT:    ld.d $a0, $a0, 0
; LA64-UNALIGNED-NEXT:    ret
;
; LA64-ALIGNED-LABEL: f1:
; LA64-ALIGNED:       # %bb.0:
; LA64-ALIGNED-NEXT:    ld.wu $a1, $a0, 4
; LA64-ALIGNED-NEXT:    ld.wu $a0, $a0, 0
; LA64-ALIGNED-NEXT:    slli.d $a1, $a1, 32
; LA64-ALIGNED-NEXT:    or $a0, $a1, $a0
; LA64-ALIGNED-NEXT:    ret
  %tmp = load i64, ptr %p, align 4
  ret i64 %tmp
}