divrem8_ext.ll
5.52 KB
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; 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 global i8