llvm/test/CodeGen/PowerPC/pr39478.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=powerpc64le-unknown-unknown -verify-machineinstrs | FileCheck %s --check-prefix=CHECKLE
; RUN: llc < %s -mtriple=powerpc64-unknown-unknown -verify-machineinstrs | FileCheck %s --check-prefix=CHECKBE
; RUN: llc < %s -mtriple=powerpc64-ibm-aix-xcoff -verify-machineinstrs | FileCheck %s --check-prefix=CHECKBE

define void @pr39478(ptr %p64, ptr %p32) {
; CHECKLE-LABEL: pr39478:
; CHECKLE:       # %bb.0: # %entry
; CHECKLE-NEXT:    lbz 3, 4(3)
; CHECKLE-NEXT:    stb 3, 0(4)
; CHECKLE-NEXT:    blr
;
; CHECKBE-LABEL: pr39478:
; CHECKBE:       # %bb.0: # %entry
; CHECKBE-NEXT:    lbz 3, 3(3)
; CHECKBE-NEXT:    stb 3, 3(4)
; CHECKBE-NEXT:    blr
entry:
  %tmp32 = load i64, ptr %p64, align 8
  %tmp33 = load i32, ptr %p32, align 4
  %tmp34 = and i32 %tmp33, -256
  %tmp35 = lshr i64 %tmp32, 32
  %tmp36 = shl nuw nsw i64 %tmp35, 24
  %tmp37 = trunc i64 %tmp36 to i32
  %tmp38 = call i32 @llvm.bswap.i32(i32 %tmp37)
  %tmp39 = or i32 %tmp38, %tmp34
  store i32 %tmp39, ptr %p32, align 4
  ret void
}

declare i32 @llvm.bswap.i32(i32)