llvm/test/CodeGen/X86/insert.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
; RUN: llc < %s -mtriple=i386-unknown-unknown | FileCheck %s --check-prefixes=X86
; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefixes=X64

define i64 @sub8(i64 noundef %res, ptr %byte) {
; X86-LABEL: sub8:
; X86:       # %bb.0: # %entry
; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
; X86-NEXT:    movl {{[0-9]+}}(%esp), %edx
; X86-NEXT:    movl {{[0-9]+}}(%esp), %ecx
; X86-NEXT:    movb (%ecx), %al
; X86-NEXT:    retl
;
; X64-LABEL: sub8:
; X64:       # %bb.0: # %entry
; X64-NEXT:    movq %rdi, %rax
; X64-NEXT:    movb (%rsi), %al
; X64-NEXT:    retq
entry:
  %and = and i64 %res, -256
  %d = load i8, ptr %byte, align 1
  %conv2 = zext i8 %d to i64
  %or = or i64 %and, %conv2
  ret i64 %or
}

define i64 @sub16(i64 noundef %res, ptr %byte) {
; X86-LABEL: sub16:
; X86:       # %bb.0: # %entry
; X86-NEXT:    movzwl {{[0-9]+}}(%esp), %ecx
; X86-NEXT:    shll $16, %ecx
; X86-NEXT:    movl {{[0-9]+}}(%esp), %edx
; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
; X86-NEXT:    movzwl (%eax), %eax
; X86-NEXT:    orl %ecx, %eax
; X86-NEXT:    retl
;
; X64-LABEL: sub16:
; X64:       # %bb.0: # %entry
; X64-NEXT:    movq %rdi, %rax
; X64-NEXT:    movw (%rsi), %ax
; X64-NEXT:    retq
entry:
  %and = and i64 %res, -65536
  %d = load i16, ptr %byte, align 1
  %conv2 = zext i16 %d to i64
  %or = or i64 %and, %conv2
  ret i64 %or
}

define i32 @sub8_32(i32 noundef %res, ptr %byte) {
; X86-LABEL: sub8_32:
; X86:       # %bb.0: # %entry
; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
; X86-NEXT:    movl {{[0-9]+}}(%esp), %ecx
; X86-NEXT:    movb (%ecx), %al
; X86-NEXT:    retl
;
; X64-LABEL: sub8_32:
; X64:       # %bb.0: # %entry
; X64-NEXT:    movl %edi, %eax
; X64-NEXT:    movb (%rsi), %al
; X64-NEXT:    retq
entry:
  %and = and i32 %res, -256
  %d = load i8, ptr %byte, align 1
  %conv2 = zext i8 %d to i32
  %or = or i32 %and, %conv2
  ret i32 %or
}

define i32 @sub16_32(i32 noundef %res, ptr %byte) {
; X86-LABEL: sub16_32:
; X86:       # %bb.0: # %entry
; X86-NEXT:    movzwl {{[0-9]+}}(%esp), %ecx
; X86-NEXT:    shll $16, %ecx
; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
; X86-NEXT:    movzwl (%eax), %eax
; X86-NEXT:    orl %ecx, %eax
; X86-NEXT:    retl
;
; X64-LABEL: sub16_32:
; X64:       # %bb.0: # %entry
; X64-NEXT:    movl %edi, %eax
; X64-NEXT:    movw (%rsi), %ax
; X64-NEXT:    retq
entry:
  %and = and i32 %res, -65536
  %d = load i16, ptr %byte, align 1
  %conv2 = zext i16 %d to i32
  %or = or i32 %and, %conv2
  ret i32 %or
}