; 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 define zeroext i8 @test_udivrem_zext_ah(i8 %x, i8 %y) { ; X32-LABEL: test_udivrem_zext_ah: ; X32: # %bb.0: ; X32-NEXT: movzbl {{[0-9]+}}(%esp), %eax ; X32-NEXT: divb {{[0-9]+}}(%esp) ; X32-NEXT: movzbl %ah, %ecx ; X32-NEXT: movb %al, z ; X32-NEXT: movl %ecx, %eax ; X32-NEXT: retl ; ; X64-LABEL: test_udivrem_zext_ah: ; X64: # %bb.0: ; X64-NEXT: movzbl %dil, %eax ; X64-NEXT: divb %sil ; X64-NEXT: movzbl %ah, %ecx ; X64-NEXT: movb %al, {{.*}}(%rip) ; X64-NEXT: movl %ecx, %eax ; X64-NEXT: retq %div = udiv i8 %x, %y store i8 %div, i8* @z %1 = urem i8 %x, %y ret i8 %1 } define zeroext i8 @test_urem_zext_ah(i8 %x, i8 %y) { ; X32-LABEL: test_urem_zext_ah: ; X32: # %bb.0: ; X32-NEXT: movzbl {{[0-9]+}}(%esp), %eax ; X32-NEXT: divb {{[0-9]+}}(%esp) ; X32-NEXT: movzbl %ah, %eax ; X32-NEXT: # kill: def $al killed $al killed $eax ; X32-NEXT: retl ; ; X64-LABEL: test_urem_zext_ah: ; X64: # %bb.0: ; X64-NEXT: movzbl %dil, %eax ; X64-NEXT: divb %sil ; X64-NEXT: movzbl %ah, %eax ; X64-NEXT: # kill: def $al killed $al killed $eax ; X64-NEXT: retq %1 = urem i8 %x, %y ret i8 %1 } define i8 @test_urem_noext_ah(i8 %x, i8 %y) { ; X32-LABEL: test_urem_noext_ah: ; X32: # %bb.0: ; X32-NEXT: movb {{[0-9]+}}(%esp), %cl ; X32-NEXT: movzbl {{[0-9]+}}(%esp), %eax ; X32-NEXT: divb %cl ; X32-NEXT: movzbl %ah, %eax ; X32-NEXT: addb %cl, %al ; X32-NEXT: # kill: def $al killed $al killed $eax ; X32-NEXT: retl ; ; X64-LABEL: test_urem_noext_ah: ; X64: # %bb.0: ; X64-NEXT: movzbl %dil, %eax ; X64-NEXT: divb %sil ; X64-NEXT: movzbl %ah, %eax ; X64-NEXT: addb %sil, %al ; X64-NEXT: # kill: def $al killed $al killed $eax ; X64-NEXT: retq %1 = urem i8 %x, %y %2 = add i8 %1, %y ret i8 %2 } define i64 @test_urem_zext64_ah(i8 %x, i8 %y) { ; X32-LABEL: test_urem_zext64_ah: ; X32: # %bb.0: ; X32-NEXT: movzbl {{[0-9]+}}(%esp), %eax ; X32-NEXT: divb {{[0-9]+}}(%esp) ; X32-NEXT: movzbl %ah, %eax ; X32-NEXT: xorl %edx, %edx ; X32-NEXT: retl ; ; X64-LABEL: test_urem_zext64_ah: ; X64: # %bb.0: ; X64-NEXT: movzbl %dil, %eax ; X64-NEXT: divb %sil ; X64-NEXT: movzbl %ah, %eax ; X64-NEXT: retq %1 = urem i8 %x, %y %2 = zext i8 %1 to i64 ret i64 %2 } define signext i8 @test_sdivrem_sext_ah(i8 %x, i8 %y) { ; X32-LABEL: test_sdivrem_sext_ah: ; X32: # %bb.0: ; X32-NEXT: movsbl {{[0-9]+}}(%esp), %eax ; X32-NEXT: idivb {{[0-9]+}}(%esp) ; X32-NEXT: movsbl %ah, %ecx ; X32-NEXT: movb %al, z ; X32-NEXT: movl %ecx, %eax ; X32-NEXT: retl ; ; X64-LABEL: test_sdivrem_sext_ah: ; X64: # %bb.0: ; X64-NEXT: movsbl %dil, %eax ; X64-NEXT: idivb %sil ; X64-NEXT: movsbl %ah, %ecx ; X64-NEXT: movb %al, {{.*}}(%rip) ; X64-NEXT: movl %ecx, %eax ; X64-NEXT: retq %div = sdiv i8 %x, %y store i8 %div, i8* @z %1 = srem i8 %x, %y ret i8 %1 } define signext i8 @test_srem_sext_ah(i8 %x, i8 %y) { ; X32-LABEL: test_srem_sext_ah: ; X32: # %bb.0: ; X32-NEXT: movsbl {{[0-9]+}}(%esp), %eax ; X32-NEXT: idivb {{[0-9]+}}(%esp) ; X32-NEXT: movsbl %ah, %eax ; X32-NEXT: # kill: def $al killed $al killed $eax ; X32-NEXT: retl ; ; X64-LABEL: test_srem_sext_ah: ; X64: # %bb.0: ; X64-NEXT: movsbl %dil, %eax ; X64-NEXT: idivb %sil ; X64-NEXT: movsbl %ah, %eax ; X64-NEXT: # kill: def $al killed $al killed $eax ; X64-NEXT: retq %1 = srem i8 %x, %y ret i8 %1 } define i8 @test_srem_noext_ah(i8 %x, i8 %y) { ; X32-LABEL: test_srem_noext_ah: ; X32: # %bb.0: ; X32-NEXT: movb {{[0-9]+}}(%esp), %cl ; X32-NEXT: movsbl {{[0-9]+}}(%esp), %eax ; X32-NEXT: idivb %cl ; X32-NEXT: movsbl %ah, %eax ; X32-NEXT: addb %cl, %al ; X32-NEXT: # kill: def $al killed $al killed $eax ; X32-NEXT: retl ; ; X64-LABEL: test_srem_noext_ah: ; X64: # %bb.0: ; X64-NEXT: movsbl %dil, %eax ; X64-NEXT: idivb %sil ; X64-NEXT: movsbl %ah, %eax ; X64-NEXT: addb %sil, %al ; X64-NEXT: # kill: def $al killed $al killed $eax ; X64-NEXT: retq %1 = srem i8 %x, %y %2 = add i8 %1, %y ret i8 %2 } define i64 @test_srem_sext64_ah(i8 %x, i8 %y) { ; X32-LABEL: test_srem_sext64_ah: ; X32: # %bb.0: ; X32-NEXT: movsbl {{[0-9]+}}(%esp), %eax ; X32-NEXT: idivb {{[0-9]+}}(%esp) ; X32-NEXT: movsbl %ah, %eax ; X32-NEXT: movl %eax, %edx ; X32-NEXT: sarl $31, %edx ; X32-NEXT: retl ; ; X64-LABEL: test_srem_sext64_ah: ; X64: # %bb.0: ; X64-NEXT: movsbl %dil, %eax ; X64-NEXT: idivb %sil ; X64-NEXT: movsbl %ah, %eax ; X64-NEXT: cltq ; X64-NEXT: retq %1 = srem i8 %x, %y %2 = sext i8 %1 to i64 ret i64 %2 } define i64 @pr25754(i8 %a, i8 %c) { ; X32-LABEL: pr25754: ; X32: # %bb.0: ; X32-NEXT: movzbl {{[0-9]+}}(%esp), %eax ; X32-NEXT: divb {{[0-9]+}}(%esp) ; X32-NEXT: movzbl %ah, %ecx ; X32-NEXT: movzbl %al, %eax ; X32-NEXT: addl %ecx, %eax ; X32-NEXT: xorl %edx, %edx ; X32-NEXT: retl ; ; X64-LABEL: pr25754: ; X64: # %bb.0: ; X64-NEXT: movzbl %dil, %eax ; X64-NEXT: divb %sil ; X64-NEXT: movzbl %ah, %ecx ; X64-NEXT: movzbl %al, %eax ; X64-NEXT: addq %rcx, %rax ; X64-NEXT: retq %r1 = urem i8 %a, %c %d1 = udiv i8 %a, %c %r2 = zext i8 %r1 to i64 %d2 = zext i8 %d1 to i64 %ret = add i64 %r2, %d2 ret i64 %ret } @z = external dso_local global i8