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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc < %s -mtriple=i686-unknown | FileCheck %s --check-prefix=X863; RUN: llc < %s -mtriple=x86_64-unknown | FileCheck %s --check-prefix=X644 5; Use movzbl to avoid partial-register updates.6 7define i32 @foo(i32 %p, i8 zeroext %x) nounwind {8; X86-LABEL: foo:9; X86: # %bb.0:10; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax11; X86-NEXT: divb {{[0-9]+}}(%esp)12; X86-NEXT: movzbl %al, %eax13; X86-NEXT: andl $1, %eax14; X86-NEXT: retl15;16; X64-LABEL: foo:17; X64: # %bb.0:18; X64-NEXT: movzbl %dil, %eax19; X64-NEXT: divb %sil20; X64-NEXT: movzbl %al, %eax21; X64-NEXT: andl $1, %eax22; X64-NEXT: retq23 %q = trunc i32 %p to i824 %r = udiv i8 %q, %x25 %s = zext i8 %r to i3226 %t = and i32 %s, 127 ret i32 %t28}29 30define i32 @bar(i32 %p, i16 zeroext %x) nounwind {31; X86-LABEL: bar:32; X86: # %bb.0:33; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax34; X86-NEXT: xorl %edx, %edx35; X86-NEXT: divw {{[0-9]+}}(%esp)36; X86-NEXT: # kill: def $ax killed $ax def $eax37; X86-NEXT: andl $1, %eax38; X86-NEXT: retl39;40; X64-LABEL: bar:41; X64: # %bb.0:42; X64-NEXT: movl %edi, %eax43; X64-NEXT: # kill: def $ax killed $ax killed $eax44; X64-NEXT: xorl %edx, %edx45; X64-NEXT: divw %si46; X64-NEXT: # kill: def $ax killed $ax def $eax47; X64-NEXT: andl $1, %eax48; X64-NEXT: retq49 %q = trunc i32 %p to i1650 %r = udiv i16 %q, %x51 %s = zext i16 %r to i3252 %t = and i32 %s, 153 ret i32 %t54}55