; 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 }