test/CodeGen/X86/GlobalISel/ext.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=x86_64-linux-gnu    -global-isel -verify-machineinstrs < %s -o - | FileCheck %s --check-prefix=X64
; RUN: llc -mtriple=i386-linux-gnu      -global-isel -verify-machineinstrs < %s -o - | FileCheck %s --check-prefix=X32

define i8 @test_zext_i1toi8(i32 %a) {
; X64-LABEL: test_zext_i1toi8:
; X64:       # %bb.0:
; X64-NEXT:    movl %edi, %eax
; X64-NEXT:    andb $1, %al
; X64-NEXT:    # kill: def $al killed $al killed $eax
; X64-NEXT:    retq
;
; X32-LABEL: test_zext_i1toi8:
; X32:       # %bb.0:
; X32-NEXT:    movl {{[0-9]+}}(%esp), %eax
; X32-NEXT:    andb $1, %al
; X32-NEXT:    # kill: def $al killed $al killed $eax
; X32-NEXT:    retl
  %val = trunc i32 %a to i1
  %r = zext i1 %val to i8
  ret i8 %r
}

define i16 @test_zext_i1toi16(i32 %a) {
; X64-LABEL: test_zext_i1toi16:
; X64:       # %bb.0:
; X64-NEXT:    movl %edi, %eax
; X64-NEXT:    andw $1, %ax
; X64-NEXT:    # kill: def $ax killed $ax killed $eax
; X64-NEXT:    retq
;
; X32-LABEL: test_zext_i1toi16:
; X32:       # %bb.0:
; X32-NEXT:    movl {{[0-9]+}}(%esp), %eax
; X32-NEXT:    andw $1, %ax
; X32-NEXT:    # kill: def $ax killed $ax killed $eax
; X32-NEXT:    retl
  %val = trunc i32 %a to i1
  %r = zext i1 %val to i16
  ret i16 %r
}

define i32 @test_zext_i1(i32 %a) {
; X64-LABEL: test_zext_i1:
; X64:       # %bb.0:
; X64-NEXT:    movl %edi, %eax
; X64-NEXT:    andl $1, %eax
; X64-NEXT:    retq
;
; X32-LABEL: test_zext_i1:
; X32:       # %bb.0:
; X32-NEXT:    movl {{[0-9]+}}(%esp), %eax
; X32-NEXT:    andl $1, %eax
; X32-NEXT:    retl
  %val = trunc i32 %a to i1
  %r = zext i1 %val to i32
  ret i32 %r
}

define i32 @test_zext_i8(i8 %val) {
; X64-LABEL: test_zext_i8:
; X64:       # %bb.0:
; X64-NEXT:    movzbl %dil, %eax
; X64-NEXT:    retq
;
; X32-LABEL: test_zext_i8:
; X32:       # %bb.0:
; X32-NEXT:    movzbl {{[0-9]+}}(%esp), %eax
; X32-NEXT:    retl
  %r = zext i8 %val to i32
  ret i32 %r
}

define i32 @test_zext_i16(i16 %val) {
; X64-LABEL: test_zext_i16:
; X64:       # %bb.0:
; X64-NEXT:    movzwl %di, %eax
; X64-NEXT:    retq
;
; X32-LABEL: test_zext_i16:
; X32:       # %bb.0:
; X32-NEXT:    movzwl {{[0-9]+}}(%esp), %eax
; X32-NEXT:    retl
  %r = zext i16 %val to i32
  ret i32 %r
}

define i32 @test_sext_i8(i8 %val) {
; X64-LABEL: test_sext_i8:
; X64:       # %bb.0:
; X64-NEXT:    movl %edi, %eax
; X64-NEXT:    shll $24, %eax
; X64-NEXT:    sarl $24, %eax
; X64-NEXT:    retq
;
; X32-LABEL: test_sext_i8:
; X32:       # %bb.0:
; X32-NEXT:    movsbl {{[0-9]+}}(%esp), %eax
; X32-NEXT:    retl
  %r = sext i8 %val to i32
  ret i32 %r
}

define i32 @test_sext_i16(i16 %val) {
; X64-LABEL: test_sext_i16:
; X64:       # %bb.0:
; X64-NEXT:    movl %edi, %eax
; X64-NEXT:    shll $16, %eax
; X64-NEXT:    sarl $16, %eax
; X64-NEXT:    retq
;
; X32-LABEL: test_sext_i16:
; X32:       # %bb.0:
; X32-NEXT:    movswl {{[0-9]+}}(%esp), %eax
; X32-NEXT:    retl
  %r = sext i16 %val to i32
  ret i32 %r
}

define i16 @test_zext_i8_to_i16(i8 %x, i8 %y) {
; X64-LABEL: test_zext_i8_to_i16:
; X64:       # %bb.0:
; X64-NEXT:    addb %dil, %sil
; X64-NEXT:    movzbl %sil, %eax
; X64-NEXT:    # kill: def $ax killed $ax killed $eax
; X64-NEXT:    retq
;
; X32-LABEL: test_zext_i8_to_i16:
; X32:       # %bb.0:
; X32-NEXT:    movb {{[0-9]+}}(%esp), %al
; X32-NEXT:    addb {{[0-9]+}}(%esp), %al
; X32-NEXT:    movzbl %al, %eax
; X32-NEXT:    # kill: def $ax killed $ax killed $eax
; X32-NEXT:    retl
  %a = add i8 %x, %y
  %b = zext i8 %a to i16
  ret i16 %b
}