llvm/test/CodeGen/M68k/Data/load-extend.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
; RUN: llc < %s -mtriple=m68k-linux -verify-machineinstrs | FileCheck %s

@0 = external constant <{ [32 x i8] }>

define i32 @"test_zext_pcd_i8_to_i32"() {
; CHECK-LABEL: test_zext_pcd_i8_to_i32:
; CHECK:         .cfi_startproc
; CHECK-NEXT:  ; %bb.0:
; CHECK-NEXT:    moveq #0, %d0
; CHECK-NEXT:    move.b (__unnamed_1+16,%pc), %d0
; CHECK-NEXT:    rts
  %p = getelementptr inbounds i8, ptr @0, i32 16
  %val = load i8, ptr %p
  %val2 = zext i8 %val to i32
  ret i32 %val2
}

define i16 @"test_zext_pcd_i8_to_i16"() {
; CHECK-LABEL: test_zext_pcd_i8_to_i16:
; CHECK:         .cfi_startproc
; CHECK-NEXT:  ; %bb.0:
; CHECK-NEXT:    clr.w %d0
; CHECK-NEXT:    move.b (__unnamed_1+16,%pc), %d0
; CHECK-NEXT:    rts
  %p = getelementptr inbounds i8, ptr @0, i32 16
  %val = load i8, ptr %p
  %val2 = zext i8 %val to i16
  ret i16 %val2
}

define i32 @"test_zext_pcd_i16_to_i32"() {
; CHECK-LABEL: test_zext_pcd_i16_to_i32:
; CHECK:         .cfi_startproc
; CHECK-NEXT:  ; %bb.0:
; CHECK-NEXT:    moveq #0, %d0
; CHECK-NEXT:    move.w (__unnamed_1+16,%pc), %d0
; CHECK-NEXT:    rts
  %p = getelementptr inbounds i16, ptr @0, i32 8
  %val = load i16, ptr %p
  %val2 = zext i16 %val to i32
  ret i32 %val2
}

define i16 @test_anyext_pcd_i8_to_i16() nounwind {
; CHECK-LABEL: test_anyext_pcd_i8_to_i16:
; CHECK:       ; %bb.0:
; CHECK-NEXT:    move.b (__unnamed_1+4,%pc), %d0
; CHECK-NEXT:    lsl.w #8, %d0
; CHECK-NEXT:    rts
  %copyload = load i8, ptr getelementptr inbounds nuw (i8, ptr @0, i32 4)
  %insert_ext = zext i8 %copyload to i16
  %insert_shift = shl i16 %insert_ext, 8
  ret i16 %insert_shift
}

define i32 @test_anyext_pcd_i8_to_i32() nounwind {
; CHECK-LABEL: test_anyext_pcd_i8_to_i32:
; CHECK:       ; %bb.0:
; CHECK-NEXT:    moveq #24, %d1
; CHECK-NEXT:    move.b (__unnamed_1+4,%pc), %d0
; CHECK-NEXT:    lsl.l %d1, %d0
; CHECK-NEXT:    rts
  %copyload = load i8, ptr getelementptr inbounds nuw (i8, ptr @0, i32 4)
  %insert_ext = zext i8 %copyload to i32
  %insert_shift = shl i32 %insert_ext, 24
  ret i32 %insert_shift
}

define i32 @test_anyext_pcd_i16_to_i32() nounwind {
; CHECK-LABEL: test_anyext_pcd_i16_to_i32:
; CHECK:       ; %bb.0:
; CHECK-NEXT:    move.w (__unnamed_1+4,%pc), %d0
; CHECK-NEXT:    swap %d0
; CHECK-NEXT:    clr.w %d0
; CHECK-NEXT:    rts
  %copyload = load i16, ptr getelementptr inbounds nuw (i8, ptr @0, i32 4)
  %insert_ext = zext i16 %copyload to i32
  %insert_shift = shl i32 %insert_ext, 16
  ret i32 %insert_shift
}