xref: /aosp_15_r20/external/llvm/test/CodeGen/SystemZ/or-08.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)

; Test memory-to-memory ORs.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s

; Test the simple i8 case.
define void @f1(i8 *%ptr1) {
; CHECK-LABEL: f1:
; CHECK: oc 1(1,%r2), 0(%r2)
; CHECK: br %r14
  %ptr2 = getelementptr i8, i8 *%ptr1, i64 1
  %val = load i8 , i8 *%ptr1
  %old = load i8 , i8 *%ptr2
  %or = or i8 %val, %old
  store i8 %or, i8 *%ptr2
  ret void
}

; Test the simple i16 case.
define void @f2(i16 *%ptr1) {
; CHECK-LABEL: f2:
; CHECK: oc 2(2,%r2), 0(%r2)
; CHECK: br %r14
  %ptr2 = getelementptr i16, i16 *%ptr1, i64 1
  %val = load i16 , i16 *%ptr1
  %old = load i16 , i16 *%ptr2
  %or = or i16 %val, %old
  store i16 %or, i16 *%ptr2
  ret void
}

; Test the simple i32 case.
define void @f3(i32 *%ptr1) {
; CHECK-LABEL: f3:
; CHECK: oc 4(4,%r2), 0(%r2)
; CHECK: br %r14
  %ptr2 = getelementptr i32, i32 *%ptr1, i64 1
  %val = load i32 , i32 *%ptr1
  %old = load i32 , i32 *%ptr2
  %or = or i32 %old, %val
  store i32 %or, i32 *%ptr2
  ret void
}

; Test the i64 case.
define void @f4(i64 *%ptr1) {
; CHECK-LABEL: f4:
; CHECK: oc 8(8,%r2), 0(%r2)
; CHECK: br %r14
  %ptr2 = getelementptr i64, i64 *%ptr1, i64 1
  %val = load i64 , i64 *%ptr1
  %old = load i64 , i64 *%ptr2
  %or = or i64 %old, %val
  store i64 %or, i64 *%ptr2
  ret void
}

; Leave other more complicated tests to and-08.ll.