; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=i686-unknown | FileCheck %s --check-prefix=X32 ; RUN: llc < %s -mtriple=x86_64-unknown | FileCheck %s --check-prefix=X64 ; Use movzbl to avoid partial-register updates. define i32 @foo(i32 %p, i8 zeroext %x) nounwind { ; X32-LABEL: foo: ; X32: # BB#0: ; X32-NEXT: movzbl {{[0-9]+}}(%esp), %eax ; X32-NEXT: # kill: %EAX<def> %EAX<kill> %AX<def> ; X32-NEXT: divb {{[0-9]+}}(%esp) ; X32-NEXT: movzbl %al, %eax ; X32-NEXT: andl $1, %eax ; X32-NEXT: retl ; ; X64-LABEL: foo: ; X64: # BB#0: ; X64-NEXT: movzbl %dil, %eax ; X64-NEXT: # kill: %EAX<def> %EAX<kill> %AX<def> ; X64-NEXT: divb %sil ; X64-NEXT: movzbl %al, %eax ; X64-NEXT: andl $1, %eax ; X64-NEXT: retq %q = trunc i32 %p to i8 %r = udiv i8 %q, %x %s = zext i8 %r to i32 %t = and i32 %s, 1 ret i32 %t } define i32 @bar(i32 %p, i16 zeroext %x) nounwind { ; X32-LABEL: bar: ; X32: # BB#0: ; X32-NEXT: movzwl {{[0-9]+}}(%esp), %eax ; X32-NEXT: xorl %edx, %edx ; X32-NEXT: divw {{[0-9]+}}(%esp) ; X32-NEXT: # kill: %AX<def> %AX<kill> %EAX<def> ; X32-NEXT: andl $1, %eax ; X32-NEXT: retl ; ; X64-LABEL: bar: ; X64: # BB#0: ; X64-NEXT: xorl %edx, %edx ; X64-NEXT: movl %edi, %eax ; X64-NEXT: divw %si ; X64-NEXT: # kill: %AX<def> %AX<kill> %EAX<def> ; X64-NEXT: andl $1, %eax ; X64-NEXT: retq %q = trunc i32 %p to i16 %r = udiv i16 %q, %x %s = zext i16 %r to i32 %t = and i32 %s, 1 ret i32 %t }