| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=i686-- | FileCheck %s --check-prefix=X86 |
| ; RUN: llc < %s -mtriple=x86_64-- | FileCheck %s --check-prefix=X64 |
| |
| ; 0xff00ff00 = 4278255360 |
| ; 0x00ff00ff = 16711935 |
| define i32 @rev16(i32 %a) { |
| ; X86-LABEL: rev16: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: bswapl %eax |
| ; X86-NEXT: rorl $16, %eax |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: rev16: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: bswapl %eax |
| ; X64-NEXT: rorl $16, %eax |
| ; X64-NEXT: retq |
| %l8 = shl i32 %a, 8 |
| %r8 = lshr i32 %a, 8 |
| %mask_l8 = and i32 %l8, 4278255360 |
| %mask_r8 = and i32 %r8, 16711935 |
| %tmp = or i32 %mask_l8, %mask_r8 |
| ret i32 %tmp |
| } |
| |
| define i32 @not_rev16(i32 %a) { |
| ; X86-LABEL: not_rev16: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movl %ecx, %eax |
| ; X86-NEXT: shll $8, %eax |
| ; X86-NEXT: shrl $8, %ecx |
| ; X86-NEXT: andl $65280, %ecx # imm = 0xFF00 |
| ; X86-NEXT: andl $16711680, %eax # imm = 0xFF0000 |
| ; X86-NEXT: orl %ecx, %eax |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: not_rev16: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: shll $8, %eax |
| ; X64-NEXT: shrl $8, %edi |
| ; X64-NEXT: andl $65280, %edi # imm = 0xFF00 |
| ; X64-NEXT: andl $16711680, %eax # imm = 0xFF0000 |
| ; X64-NEXT: orl %edi, %eax |
| ; X64-NEXT: retq |
| %l8 = shl i32 %a, 8 |
| %r8 = lshr i32 %a, 8 |
| %mask_r8 = and i32 %r8, 4278255360 |
| %mask_l8 = and i32 %l8, 16711935 |
| %tmp = or i32 %mask_r8, %mask_l8 |
| ret i32 %tmp |
| } |
| |
| define i32 @extra_maskop_uses2(i32 %a) { |
| ; X86-LABEL: extra_maskop_uses2: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movl %ecx, %edx |
| ; X86-NEXT: shll $8, %edx |
| ; X86-NEXT: shrl $8, %ecx |
| ; X86-NEXT: andl $-16711936, %edx # imm = 0xFF00FF00 |
| ; X86-NEXT: andl $16711935, %ecx # imm = 0xFF00FF |
| ; X86-NEXT: leal (%ecx,%edx), %eax |
| ; X86-NEXT: imull %edx, %eax |
| ; X86-NEXT: imull %ecx, %eax |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: extra_maskop_uses2: |
| ; X64: # %bb.0: |
| ; X64-NEXT: # kill: def $edi killed $edi def $rdi |
| ; X64-NEXT: movl %edi, %ecx |
| ; X64-NEXT: shll $8, %ecx |
| ; X64-NEXT: shrl $8, %edi |
| ; X64-NEXT: andl $-16711936, %ecx # imm = 0xFF00FF00 |
| ; X64-NEXT: andl $16711935, %edi # imm = 0xFF00FF |
| ; X64-NEXT: leal (%rdi,%rcx), %eax |
| ; X64-NEXT: imull %ecx, %eax |
| ; X64-NEXT: imull %edi, %eax |
| ; X64-NEXT: retq |
| %l8 = shl i32 %a, 8 |
| %r8 = lshr i32 %a, 8 |
| %mask_l8 = and i32 %l8, 4278255360 |
| %mask_r8 = and i32 %r8, 16711935 |
| %or = or i32 %mask_r8, %mask_l8 |
| %mul = mul i32 %mask_r8, %mask_l8 ; another use of the mask ops |
| %r = mul i32 %mul, %or ; and use that result |
| ret i32 %r |
| } |
| |
| define i32 @bswap_ror_commuted(i32 %a) { |
| ; X86-LABEL: bswap_ror_commuted: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: bswapl %eax |
| ; X86-NEXT: rorl $16, %eax |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: bswap_ror_commuted: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: bswapl %eax |
| ; X64-NEXT: rorl $16, %eax |
| ; X64-NEXT: retq |
| %l8 = shl i32 %a, 8 |
| %r8 = lshr i32 %a, 8 |
| %mask_l8 = and i32 %l8, 4278255360 |
| %mask_r8 = and i32 %r8, 16711935 |
| %tmp = or i32 %mask_r8, %mask_l8 |
| ret i32 %tmp |
| } |
| |
| define i32 @different_shift_amount(i32 %a) { |
| ; X86-LABEL: different_shift_amount: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: movl %eax, %ecx |
| ; X86-NEXT: shll $9, %ecx |
| ; X86-NEXT: shrl $8, %eax |
| ; X86-NEXT: andl $-16712192, %ecx # imm = 0xFF00FE00 |
| ; X86-NEXT: andl $16711935, %eax # imm = 0xFF00FF |
| ; X86-NEXT: orl %ecx, %eax |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: different_shift_amount: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: shll $9, %eax |
| ; X64-NEXT: shrl $8, %edi |
| ; X64-NEXT: andl $-16712192, %eax # imm = 0xFF00FE00 |
| ; X64-NEXT: andl $16711935, %edi # imm = 0xFF00FF |
| ; X64-NEXT: orl %edi, %eax |
| ; X64-NEXT: retq |
| %l8 = shl i32 %a, 9 |
| %r8 = lshr i32 %a, 8 |
| %mask_l8 = and i32 %l8, 4278255360 |
| %mask_r8 = and i32 %r8, 16711935 |
| %tmp = or i32 %mask_l8, %mask_r8 |
| ret i32 %tmp |
| } |
| |
| define i32 @different_constant(i32 %a) { |
| ; X86-LABEL: different_constant: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: shrl $8, %eax |
| ; X86-NEXT: andl $16711935, %eax # imm = 0xFF00FF |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: different_constant: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: shrl $8, %eax |
| ; X64-NEXT: andl $16711935, %eax # imm = 0xFF00FF |
| ; X64-NEXT: retq |
| %l8 = shl i32 %a, 8 |
| %r8 = lshr i32 %a, 8 |
| %mask_l8 = and i32 %l8, 42 |
| %mask_r8 = and i32 %r8, 16711935 |
| %tmp = or i32 %mask_l8, %mask_r8 |
| ret i32 %tmp |
| } |
| |
| define i32 @different_op(i32 %a) { |
| ; X86-LABEL: different_op: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: movl %eax, %ecx |
| ; X86-NEXT: shll $8, %ecx |
| ; X86-NEXT: shrl $8, %eax |
| ; X86-NEXT: addl $16711936, %ecx # imm = 0xFF0100 |
| ; X86-NEXT: andl $16711935, %eax # imm = 0xFF00FF |
| ; X86-NEXT: orl %ecx, %eax |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: different_op: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: shll $8, %eax |
| ; X64-NEXT: shrl $8, %edi |
| ; X64-NEXT: addl $16711936, %eax # imm = 0xFF0100 |
| ; X64-NEXT: andl $16711935, %edi # imm = 0xFF00FF |
| ; X64-NEXT: orl %edi, %eax |
| ; X64-NEXT: retq |
| %l8 = shl i32 %a, 8 |
| %r8 = lshr i32 %a, 8 |
| %mask_l8 = sub i32 %l8, 4278255360 |
| %mask_r8 = and i32 %r8, 16711935 |
| %tmp = or i32 %mask_l8, %mask_r8 |
| ret i32 %tmp |
| } |
| |
| define i32 @different_vars(i32 %a, i32 %b) { |
| ; X86-LABEL: different_vars: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: shll $8, %ecx |
| ; X86-NEXT: shrl $8, %eax |
| ; X86-NEXT: andl $-16711936, %ecx # imm = 0xFF00FF00 |
| ; X86-NEXT: andl $16711935, %eax # imm = 0xFF00FF |
| ; X86-NEXT: orl %ecx, %eax |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: different_vars: |
| ; X64: # %bb.0: |
| ; X64-NEXT: # kill: def $esi killed $esi def $rsi |
| ; X64-NEXT: # kill: def $edi killed $edi def $rdi |
| ; X64-NEXT: shll $8, %edi |
| ; X64-NEXT: shrl $8, %esi |
| ; X64-NEXT: andl $-16711936, %edi # imm = 0xFF00FF00 |
| ; X64-NEXT: andl $16711935, %esi # imm = 0xFF00FF |
| ; X64-NEXT: leal (%rsi,%rdi), %eax |
| ; X64-NEXT: retq |
| %l8 = shl i32 %a, 8 |
| %r8 = lshr i32 %b, 8 |
| %mask_l8 = and i32 %l8, 4278255360 |
| %mask_r8 = and i32 %r8, 16711935 |
| %tmp = or i32 %mask_l8, %mask_r8 |
| ret i32 %tmp |
| } |
| |
| ; 0xff000000 = 4278190080 |
| ; 0x00ff0000 = 16711680 |
| ; 0x0000ff00 = 65280 |
| ; 0x000000ff = 255 |
| define i32 @f2(i32 %a) { |
| ; X86-LABEL: f2: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: bswapl %eax |
| ; X86-NEXT: roll $16, %eax |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: f2: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: bswapl %eax |
| ; X64-NEXT: roll $16, %eax |
| ; X64-NEXT: retq |
| %l8 = shl i32 %a, 8 |
| %r8 = lshr i32 %a, 8 |
| %masklo_l8 = and i32 %l8, 65280 |
| %maskhi_l8 = and i32 %l8, 4278190080 |
| %masklo_r8 = and i32 %r8, 255 |
| %maskhi_r8 = and i32 %r8, 16711680 |
| %tmp1 = or i32 %masklo_l8, %masklo_r8 |
| %tmp2 = or i32 %maskhi_l8, %maskhi_r8 |
| %tmp = or i32 %tmp1, %tmp2 |
| ret i32 %tmp |
| } |