llvm/test/CodeGen/X86/and-mask-variable.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=i686-unknown-linux-gnu -mattr=-bmi,-tbm,-bmi2 < %s | FileCheck %s --check-prefixes=X86-NOBMI
; RUN: llc -mtriple=i686-unknown-linux-gnu -mattr=+bmi,+tbm,+bmi2 < %s | FileCheck %s --check-prefixes=X86-BMI2
; RUN: llc -mtriple=i686-unknown-linux-gnu -mattr=+bmi,-tbm,+bmi2 < %s | FileCheck %s --check-prefixes=X86-BMI2
; RUN: llc -mtriple=x86_64-unknown-linux-gnu -mattr=-bmi,-tbm,-bmi2 < %s | FileCheck %s --check-prefixes=X64-NOBMI
; RUN: llc -mtriple=x86_64-unknown-linux-gnu -mattr=+bmi,+tbm,+bmi2 < %s | FileCheck %s --check-prefixes=X64-BMI2
; RUN: llc -mtriple=x86_64-unknown-linux-gnu -mattr=+bmi,-tbm,+bmi2 < %s | FileCheck %s --check-prefixes=X64-BMI2

define i32 @mask_pair(i32 %x, i32 %y) nounwind {
; X86-NOBMI-LABEL: mask_pair:
; X86-NOBMI:       # %bb.0:
; X86-NOBMI-NEXT:    movzbl {{[0-9]+}}(%esp), %ecx
; X86-NOBMI-NEXT:    movl {{[0-9]+}}(%esp), %eax
; X86-NOBMI-NEXT:    shrl %cl, %eax
; X86-NOBMI-NEXT:    shll %cl, %eax
; X86-NOBMI-NEXT:    retl
;
; X86-BMI2-LABEL: mask_pair:
; X86-BMI2:       # %bb.0:
; X86-BMI2-NEXT:    movzbl {{[0-9]+}}(%esp), %eax
; X86-BMI2-NEXT:    shrxl %eax, {{[0-9]+}}(%esp), %ecx
; X86-BMI2-NEXT:    shlxl %eax, %ecx, %eax
; X86-BMI2-NEXT:    retl
;
; X64-NOBMI-LABEL: mask_pair:
; X64-NOBMI:       # %bb.0:
; X64-NOBMI-NEXT:    movl %esi, %ecx
; X64-NOBMI-NEXT:    movl %edi, %eax
; X64-NOBMI-NEXT:    shrl %cl, %eax
; X64-NOBMI-NEXT:    # kill: def $cl killed $cl killed $ecx
; X64-NOBMI-NEXT:    shll %cl, %eax
; X64-NOBMI-NEXT:    retq
;
; X64-BMI2-LABEL: mask_pair:
; X64-BMI2:       # %bb.0:
; X64-BMI2-NEXT:    shrxl %esi, %edi, %eax
; X64-BMI2-NEXT:    shlxl %esi, %eax, %eax
; X64-BMI2-NEXT:    retq
  %shl = shl nsw i32 -1, %y
  %and = and i32 %shl, %x
  ret i32 %and
}

define i64 @mask_pair_64(i64 %x, i64 %y) nounwind {
; X86-NOBMI-LABEL: mask_pair_64:
; X86-NOBMI:       # %bb.0:
; X86-NOBMI-NEXT:    movzbl {{[0-9]+}}(%esp), %ecx
; X86-NOBMI-NEXT:    movl $-1, %edx
; X86-NOBMI-NEXT:    movl $-1, %eax
; X86-NOBMI-NEXT:    shll %cl, %eax
; X86-NOBMI-NEXT:    testb $32, %cl
; X86-NOBMI-NEXT:    je .LBB1_2
; X86-NOBMI-NEXT:  # %bb.1:
; X86-NOBMI-NEXT:    movl %eax, %edx
; X86-NOBMI-NEXT:    xorl %eax, %eax
; X86-NOBMI-NEXT:  .LBB1_2:
; X86-NOBMI-NEXT:    andl {{[0-9]+}}(%esp), %eax
; X86-NOBMI-NEXT:    andl {{[0-9]+}}(%esp), %edx
; X86-NOBMI-NEXT:    retl
;
; X86-BMI2-LABEL: mask_pair_64:
; X86-BMI2:       # %bb.0:
; X86-BMI2-NEXT:    movzbl {{[0-9]+}}(%esp), %ecx
; X86-BMI2-NEXT:    movl $-1, %edx
; X86-BMI2-NEXT:    shlxl %ecx, %edx, %eax
; X86-BMI2-NEXT:    testb $32, %cl
; X86-BMI2-NEXT:    je .LBB1_2
; X86-BMI2-NEXT:  # %bb.1:
; X86-BMI2-NEXT:    movl %eax, %edx
; X86-BMI2-NEXT:    xorl %eax, %eax
; X86-BMI2-NEXT:  .LBB1_2:
; X86-BMI2-NEXT:    andl {{[0-9]+}}(%esp), %eax
; X86-BMI2-NEXT:    andl {{[0-9]+}}(%esp), %edx
; X86-BMI2-NEXT:    retl
;
; X64-NOBMI-LABEL: mask_pair_64:
; X64-NOBMI:       # %bb.0:
; X64-NOBMI-NEXT:    movq %rsi, %rcx
; X64-NOBMI-NEXT:    movq %rdi, %rax
; X64-NOBMI-NEXT:    shrq %cl, %rax
; X64-NOBMI-NEXT:    # kill: def $cl killed $cl killed $rcx
; X64-NOBMI-NEXT:    shlq %cl, %rax
; X64-NOBMI-NEXT:    retq
;
; X64-BMI2-LABEL: mask_pair_64:
; X64-BMI2:       # %bb.0:
; X64-BMI2-NEXT:    shrxq %rsi, %rdi, %rax
; X64-BMI2-NEXT:    shlxq %rsi, %rax, %rax
; X64-BMI2-NEXT:    retq
  %shl = shl nsw i64 -1, %y
  %and = and i64 %shl, %x
  ret i64 %and
}

define i128 @mask_pair_128(i128 %x, i128 %y) nounwind {
; X86-NOBMI-LABEL: mask_pair_128:
; X86-NOBMI:       # %bb.0:
; X86-NOBMI-NEXT:    pushl %ebx
; X86-NOBMI-NEXT:    pushl %edi
; X86-NOBMI-NEXT:    pushl %esi
; X86-NOBMI-NEXT:    subl $32, %esp
; X86-NOBMI-NEXT:    movl {{[0-9]+}}(%esp), %ecx
; X86-NOBMI-NEXT:    movl {{[0-9]+}}(%esp), %eax
; X86-NOBMI-NEXT:    movl $-1, {{[0-9]+}}(%esp)
; X86-NOBMI-NEXT:    movl $-1, {{[0-9]+}}(%esp)
; X86-NOBMI-NEXT:    movl $-1, {{[0-9]+}}(%esp)
; X86-NOBMI-NEXT:    movl $-1, {{[0-9]+}}(%esp)
; X86-NOBMI-NEXT:    movl $0, {{[0-9]+}}(%esp)
; X86-NOBMI-NEXT:    movl $0, {{[0-9]+}}(%esp)
; X86-NOBMI-NEXT:    movl $0, {{[0-9]+}}(%esp)
; X86-NOBMI-NEXT:    movl $0, (%esp)
; X86-NOBMI-NEXT:    movl %ecx, %edx
; X86-NOBMI-NEXT:    shrb $3, %dl
; X86-NOBMI-NEXT:    andb $12, %dl
; X86-NOBMI-NEXT:    negb %dl
; X86-NOBMI-NEXT:    movsbl %dl, %ebx
; X86-NOBMI-NEXT:    movl 24(%esp,%ebx), %edx
; X86-NOBMI-NEXT:    movl 28(%esp,%ebx), %esi
; X86-NOBMI-NEXT:    shldl %cl, %edx, %esi
; X86-NOBMI-NEXT:    movl 16(%esp,%ebx), %edi
; X86-NOBMI-NEXT:    movl 20(%esp,%ebx), %ebx
; X86-NOBMI-NEXT:    shldl %cl, %ebx, %edx
; X86-NOBMI-NEXT:    shldl %cl, %edi, %ebx
; X86-NOBMI-NEXT:    # kill: def $cl killed $cl killed $ecx
; X86-NOBMI-NEXT:    shll %cl, %edi
; X86-NOBMI-NEXT:    andl {{[0-9]+}}(%esp), %edx
; X86-NOBMI-NEXT:    andl {{[0-9]+}}(%esp), %esi
; X86-NOBMI-NEXT:    andl {{[0-9]+}}(%esp), %edi
; X86-NOBMI-NEXT:    andl {{[0-9]+}}(%esp), %ebx
; X86-NOBMI-NEXT:    movl %esi, 12(%eax)
; X86-NOBMI-NEXT:    movl %edx, 8(%eax)
; X86-NOBMI-NEXT:    movl %ebx, 4(%eax)
; X86-NOBMI-NEXT:    movl %edi, (%eax)
; X86-NOBMI-NEXT:    addl $32, %esp
; X86-NOBMI-NEXT:    popl %esi
; X86-NOBMI-NEXT:    popl %edi
; X86-NOBMI-NEXT:    popl %ebx
; X86-NOBMI-NEXT:    retl $4
;
; X86-BMI2-LABEL: mask_pair_128:
; X86-BMI2:       # %bb.0:
; X86-BMI2-NEXT:    pushl %ebx
; X86-BMI2-NEXT:    pushl %edi
; X86-BMI2-NEXT:    pushl %esi
; X86-BMI2-NEXT:    subl $32, %esp
; X86-BMI2-NEXT:    movl {{[0-9]+}}(%esp), %ecx
; X86-BMI2-NEXT:    movl {{[0-9]+}}(%esp), %eax
; X86-BMI2-NEXT:    movl $-1, {{[0-9]+}}(%esp)
; X86-BMI2-NEXT:    movl $-1, {{[0-9]+}}(%esp)
; X86-BMI2-NEXT:    movl $-1, {{[0-9]+}}(%esp)
; X86-BMI2-NEXT:    movl $-1, {{[0-9]+}}(%esp)
; X86-BMI2-NEXT:    movl $0, {{[0-9]+}}(%esp)
; X86-BMI2-NEXT:    movl $0, {{[0-9]+}}(%esp)
; X86-BMI2-NEXT:    movl $0, {{[0-9]+}}(%esp)
; X86-BMI2-NEXT:    movl $0, (%esp)
; X86-BMI2-NEXT:    movl %ecx, %edx
; X86-BMI2-NEXT:    shrb $3, %dl
; X86-BMI2-NEXT:    andb $12, %dl
; X86-BMI2-NEXT:    negb %dl
; X86-BMI2-NEXT:    movsbl %dl, %edi
; X86-BMI2-NEXT:    movl 24(%esp,%edi), %edx
; X86-BMI2-NEXT:    movl 28(%esp,%edi), %esi
; X86-BMI2-NEXT:    shldl %cl, %edx, %esi
; X86-BMI2-NEXT:    movl 16(%esp,%edi), %ebx
; X86-BMI2-NEXT:    movl 20(%esp,%edi), %edi
; X86-BMI2-NEXT:    shldl %cl, %edi, %edx
; X86-BMI2-NEXT:    shldl %cl, %ebx, %edi
; X86-BMI2-NEXT:    shlxl %ecx, %ebx, %ecx
; X86-BMI2-NEXT:    andl {{[0-9]+}}(%esp), %edx
; X86-BMI2-NEXT:    andl {{[0-9]+}}(%esp), %esi
; X86-BMI2-NEXT:    andl {{[0-9]+}}(%esp), %ecx
; X86-BMI2-NEXT:    andl {{[0-9]+}}(%esp), %edi
; X86-BMI2-NEXT:    movl %esi, 12(%eax)
; X86-BMI2-NEXT:    movl %edx, 8(%eax)
; X86-BMI2-NEXT:    movl %edi, 4(%eax)
; X86-BMI2-NEXT:    movl %ecx, (%eax)
; X86-BMI2-NEXT:    addl $32, %esp
; X86-BMI2-NEXT:    popl %esi
; X86-BMI2-NEXT:    popl %edi
; X86-BMI2-NEXT:    popl %ebx
; X86-BMI2-NEXT:    retl $4
;
; X64-NOBMI-LABEL: mask_pair_128:
; X64-NOBMI:       # %bb.0:
; X64-NOBMI-NEXT:    movq %rdx, %rcx
; X64-NOBMI-NEXT:    movq $-1, %rdx
; X64-NOBMI-NEXT:    movq $-1, %r8
; X64-NOBMI-NEXT:    shlq %cl, %r8
; X64-NOBMI-NEXT:    xorl %eax, %eax
; X64-NOBMI-NEXT:    testb $64, %cl
; X64-NOBMI-NEXT:    cmovneq %r8, %rdx
; X64-NOBMI-NEXT:    cmoveq %r8, %rax
; X64-NOBMI-NEXT:    andq %rdi, %rax
; X64-NOBMI-NEXT:    andq %rsi, %rdx
; X64-NOBMI-NEXT:    retq
;
; X64-BMI2-LABEL: mask_pair_128:
; X64-BMI2:       # %bb.0:
; X64-BMI2-NEXT:    movq $-1, %rcx
; X64-BMI2-NEXT:    shlxq %rdx, %rcx, %r8
; X64-BMI2-NEXT:    xorl %eax, %eax
; X64-BMI2-NEXT:    testb $64, %dl
; X64-BMI2-NEXT:    cmovneq %r8, %rcx
; X64-BMI2-NEXT:    cmoveq %r8, %rax
; X64-BMI2-NEXT:    andq %rdi, %rax
; X64-BMI2-NEXT:    andq %rsi, %rcx
; X64-BMI2-NEXT:    movq %rcx, %rdx
; X64-BMI2-NEXT:    retq
  %shl = shl nsw i128 -1, %y
  %and = and i128 %shl, %x
  ret i128 %and
}