; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=-popcnt | FileCheck %s --check-prefixes=X86,X86-NOPOPCNT ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=-popcnt | FileCheck %s --check-prefixes=X64,X64-NOPOPCNT ; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+popcnt | FileCheck %s --check-prefixes=X86,X86-POPCNT ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+popcnt | FileCheck %s --check-prefixes=X64,X64-POPCNT define i4 @parity_4(i4 %x) { ; X86-LABEL: parity_4: ; X86: # %bb.0: ; X86-NEXT: testb $15, {{[0-9]+}}(%esp) ; X86-NEXT: setnp %al ; X86-NEXT: retl ; ; X64-LABEL: parity_4: ; X64: # %bb.0: ; X64-NEXT: testb $15, %dil ; X64-NEXT: setnp %al ; X64-NEXT: retq %1 = tail call i4 @llvm.ctpop.i4(i4 %x) %2 = and i4 %1, 1 ret i4 %2 } define i8 @parity_8(i8 %x) { ; X86-LABEL: parity_8: ; X86: # %bb.0: ; X86-NEXT: cmpb $0, {{[0-9]+}}(%esp) ; X86-NEXT: setnp %al ; X86-NEXT: retl ; ; X64-LABEL: parity_8: ; X64: # %bb.0: ; X64-NEXT: testb %dil, %dil ; X64-NEXT: setnp %al ; X64-NEXT: retq %1 = tail call i8 @llvm.ctpop.i8(i8 %x) %2 = and i8 %1, 1 ret i8 %2 } define i16 @parity_16(i16 %x) { ; X86-NOPOPCNT-LABEL: parity_16: ; X86-NOPOPCNT: # %bb.0: ; X86-NOPOPCNT-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-NOPOPCNT-NEXT: xorl %eax, %eax ; X86-NOPOPCNT-NEXT: xorb %ch, %cl ; X86-NOPOPCNT-NEXT: setnp %al ; X86-NOPOPCNT-NEXT: # kill: def $ax killed $ax killed $eax ; X86-NOPOPCNT-NEXT: retl ; ; X64-NOPOPCNT-LABEL: parity_16: ; X64-NOPOPCNT: # %bb.0: ; X64-NOPOPCNT-NEXT: movl %edi, %ecx ; X64-NOPOPCNT-NEXT: xorl %eax, %eax ; X64-NOPOPCNT-NEXT: xorb %ch, %cl ; X64-NOPOPCNT-NEXT: setnp %al ; X64-NOPOPCNT-NEXT: # kill: def $ax killed $ax killed $eax ; X64-NOPOPCNT-NEXT: retq ; ; X86-POPCNT-LABEL: parity_16: ; X86-POPCNT: # %bb.0: ; X86-POPCNT-NEXT: movzwl {{[0-9]+}}(%esp), %eax ; X86-POPCNT-NEXT: popcntl %eax, %eax ; X86-POPCNT-NEXT: andl $1, %eax ; X86-POPCNT-NEXT: # kill: def $ax killed $ax killed $eax ; X86-POPCNT-NEXT: retl ; ; X64-POPCNT-LABEL: parity_16: ; X64-POPCNT: # %bb.0: ; X64-POPCNT-NEXT: movzwl %di, %eax ; X64-POPCNT-NEXT: popcntl %eax, %eax ; X64-POPCNT-NEXT: andl $1, %eax ; X64-POPCNT-NEXT: # kill: def $ax killed $ax killed $eax ; X64-POPCNT-NEXT: retq %1 = tail call i16 @llvm.ctpop.i16(i16 %x) %2 = and i16 %1, 1 ret i16 %2 } define i16 @parity_16_load(ptr %x) { ; X86-NOPOPCNT-LABEL: parity_16_load: ; X86-NOPOPCNT: # %bb.0: ; X86-NOPOPCNT-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NOPOPCNT-NEXT: movzwl (%eax), %ecx ; X86-NOPOPCNT-NEXT: xorl %eax, %eax ; X86-NOPOPCNT-NEXT: xorb %ch, %cl ; X86-NOPOPCNT-NEXT: setnp %al ; X86-NOPOPCNT-NEXT: # kill: def $ax killed $ax killed $eax ; X86-NOPOPCNT-NEXT: retl ; ; X64-NOPOPCNT-LABEL: parity_16_load: ; X64-NOPOPCNT: # %bb.0: ; X64-NOPOPCNT-NEXT: movzwl (%rdi), %ecx ; X64-NOPOPCNT-NEXT: xorl %eax, %eax ; X64-NOPOPCNT-NEXT: xorb %ch, %cl ; X64-NOPOPCNT-NEXT: setnp %al ; X64-NOPOPCNT-NEXT: # kill: def $ax killed $ax killed $eax ; X64-NOPOPCNT-NEXT: retq ; ; X86-POPCNT-LABEL: parity_16_load: ; X86-POPCNT: # %bb.0: ; X86-POPCNT-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-POPCNT-NEXT: movzwl (%eax), %eax ; X86-POPCNT-NEXT: popcntl %eax, %eax ; X86-POPCNT-NEXT: andl $1, %eax ; X86-POPCNT-NEXT: # kill: def $ax killed $ax killed $eax ; X86-POPCNT-NEXT: retl ; ; X64-POPCNT-LABEL: parity_16_load: ; X64-POPCNT: # %bb.0: ; X64-POPCNT-NEXT: movzwl (%rdi), %eax ; X64-POPCNT-NEXT: popcntl %eax, %eax ; X64-POPCNT-NEXT: andl $1, %eax ; X64-POPCNT-NEXT: # kill: def $ax killed $ax killed $eax ; X64-POPCNT-NEXT: retq %1 = load i16, ptr %x %2 = tail call i16 @llvm.ctpop.i16(i16 %1) %3 = and i16 %2, 1 ret i16 %3 } define i17 @parity_17(i17 %x) { ; X86-NOPOPCNT-LABEL: parity_17: ; X86-NOPOPCNT: # %bb.0: ; X86-NOPOPCNT-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-NOPOPCNT-NEXT: movl %ecx, %eax ; X86-NOPOPCNT-NEXT: andl $131071, %eax # imm = 0x1FFFF ; X86-NOPOPCNT-NEXT: movl %eax, %edx ; X86-NOPOPCNT-NEXT: shrl $16, %edx ; X86-NOPOPCNT-NEXT: xorl %eax, %edx ; X86-NOPOPCNT-NEXT: xorl %eax, %eax ; X86-NOPOPCNT-NEXT: xorb %dl, %ch ; X86-NOPOPCNT-NEXT: setnp %al ; X86-NOPOPCNT-NEXT: retl ; ; X64-NOPOPCNT-LABEL: parity_17: ; X64-NOPOPCNT: # %bb.0: ; X64-NOPOPCNT-NEXT: movl %edi, %eax ; X64-NOPOPCNT-NEXT: andl $131071, %eax # imm = 0x1FFFF ; X64-NOPOPCNT-NEXT: movl %eax, %ecx ; X64-NOPOPCNT-NEXT: shrl $16, %ecx ; X64-NOPOPCNT-NEXT: xorl %eax, %ecx ; X64-NOPOPCNT-NEXT: shrl $8, %edi ; X64-NOPOPCNT-NEXT: xorl %eax, %eax ; X64-NOPOPCNT-NEXT: xorb %cl, %dil ; X64-NOPOPCNT-NEXT: setnp %al ; X64-NOPOPCNT-NEXT: retq ; ; X86-POPCNT-LABEL: parity_17: ; X86-POPCNT: # %bb.0: ; X86-POPCNT-NEXT: movl $131071, %eax # imm = 0x1FFFF ; X86-POPCNT-NEXT: andl {{[0-9]+}}(%esp), %eax ; X86-POPCNT-NEXT: popcntl %eax, %eax ; X86-POPCNT-NEXT: andl $1, %eax ; X86-POPCNT-NEXT: retl ; ; X64-POPCNT-LABEL: parity_17: ; X64-POPCNT: # %bb.0: ; X64-POPCNT-NEXT: andl $131071, %edi # imm = 0x1FFFF ; X64-POPCNT-NEXT: popcntl %edi, %eax ; X64-POPCNT-NEXT: andl $1, %eax ; X64-POPCNT-NEXT: retq %1 = tail call i17 @llvm.ctpop.i17(i17 %x) %2 = and i17 %1, 1 ret i17 %2 } define i32 @parity_32(i32 %x) { ; X86-NOPOPCNT-LABEL: parity_32: ; X86-NOPOPCNT: # %bb.0: ; X86-NOPOPCNT-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NOPOPCNT-NEXT: movl %eax, %ecx ; X86-NOPOPCNT-NEXT: shrl $16, %ecx ; X86-NOPOPCNT-NEXT: xorl %eax, %ecx ; X86-NOPOPCNT-NEXT: xorl %eax, %eax ; X86-NOPOPCNT-NEXT: xorb %ch, %cl ; X86-NOPOPCNT-NEXT: setnp %al ; X86-NOPOPCNT-NEXT: retl ; ; X64-NOPOPCNT-LABEL: parity_32: ; X64-NOPOPCNT: # %bb.0: ; X64-NOPOPCNT-NEXT: movl %edi, %ecx ; X64-NOPOPCNT-NEXT: shrl $16, %ecx ; X64-NOPOPCNT-NEXT: xorl %edi, %ecx ; X64-NOPOPCNT-NEXT: xorl %eax, %eax ; X64-NOPOPCNT-NEXT: xorb %ch, %cl ; X64-NOPOPCNT-NEXT: setnp %al ; X64-NOPOPCNT-NEXT: retq ; ; X86-POPCNT-LABEL: parity_32: ; X86-POPCNT: # %bb.0: ; X86-POPCNT-NEXT: popcntl {{[0-9]+}}(%esp), %eax ; X86-POPCNT-NEXT: andl $1, %eax ; X86-POPCNT-NEXT: retl ; ; X64-POPCNT-LABEL: parity_32: ; X64-POPCNT: # %bb.0: ; X64-POPCNT-NEXT: popcntl %edi, %eax ; X64-POPCNT-NEXT: andl $1, %eax ; X64-POPCNT-NEXT: retq %1 = tail call i32 @llvm.ctpop.i32(i32 %x) %2 = and i32 %1, 1 ret i32 %2 } define i64 @parity_64(i64 %x) { ; X86-NOPOPCNT-LABEL: parity_64: ; X86-NOPOPCNT: # %bb.0: ; X86-NOPOPCNT-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NOPOPCNT-NEXT: xorl {{[0-9]+}}(%esp), %eax ; X86-NOPOPCNT-NEXT: movl %eax, %ecx ; X86-NOPOPCNT-NEXT: shrl $16, %ecx ; X86-NOPOPCNT-NEXT: xorl %eax, %ecx ; X86-NOPOPCNT-NEXT: xorl %eax, %eax ; X86-NOPOPCNT-NEXT: xorb %ch, %cl ; X86-NOPOPCNT-NEXT: setnp %al ; X86-NOPOPCNT-NEXT: xorl %edx, %edx ; X86-NOPOPCNT-NEXT: retl ; ; X64-NOPOPCNT-LABEL: parity_64: ; X64-NOPOPCNT: # %bb.0: ; X64-NOPOPCNT-NEXT: movq %rdi, %rax ; X64-NOPOPCNT-NEXT: shrq $32, %rax ; X64-NOPOPCNT-NEXT: xorl %edi, %eax ; X64-NOPOPCNT-NEXT: movl %eax, %ecx ; X64-NOPOPCNT-NEXT: shrl $16, %ecx ; X64-NOPOPCNT-NEXT: xorl %eax, %ecx ; X64-NOPOPCNT-NEXT: xorl %eax, %eax ; X64-NOPOPCNT-NEXT: xorb %ch, %cl ; X64-NOPOPCNT-NEXT: setnp %al ; X64-NOPOPCNT-NEXT: retq ; ; X86-POPCNT-LABEL: parity_64: ; X86-POPCNT: # %bb.0: ; X86-POPCNT-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-POPCNT-NEXT: xorl {{[0-9]+}}(%esp), %eax ; X86-POPCNT-NEXT: popcntl %eax, %eax ; X86-POPCNT-NEXT: andl $1, %eax ; X86-POPCNT-NEXT: xorl %edx, %edx ; X86-POPCNT-NEXT: retl ; ; X64-POPCNT-LABEL: parity_64: ; X64-POPCNT: # %bb.0: ; X64-POPCNT-NEXT: popcntq %rdi, %rax ; X64-POPCNT-NEXT: andl $1, %eax ; X64-POPCNT-NEXT: retq %1 = tail call i64 @llvm.ctpop.i64(i64 %x) %2 = and i64 %1, 1 ret i64 %2 } define i32 @parity_64_trunc(i64 %x) { ; X86-NOPOPCNT-LABEL: parity_64_trunc: ; X86-NOPOPCNT: # %bb.0: ; X86-NOPOPCNT-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NOPOPCNT-NEXT: xorl {{[0-9]+}}(%esp), %eax ; X86-NOPOPCNT-NEXT: movl %eax, %ecx ; X86-NOPOPCNT-NEXT: shrl $16, %ecx ; X86-NOPOPCNT-NEXT: xorl %eax, %ecx ; X86-NOPOPCNT-NEXT: xorl %eax, %eax ; X86-NOPOPCNT-NEXT: xorb %ch, %cl ; X86-NOPOPCNT-NEXT: setnp %al ; X86-NOPOPCNT-NEXT: retl ; ; X64-NOPOPCNT-LABEL: parity_64_trunc: ; X64-NOPOPCNT: # %bb.0: ; X64-NOPOPCNT-NEXT: movq %rdi, %rax ; X64-NOPOPCNT-NEXT: shrq $32, %rax ; X64-NOPOPCNT-NEXT: xorl %edi, %eax ; X64-NOPOPCNT-NEXT: movl %eax, %ecx ; X64-NOPOPCNT-NEXT: shrl $16, %ecx ; X64-NOPOPCNT-NEXT: xorl %eax, %ecx ; X64-NOPOPCNT-NEXT: xorl %eax, %eax ; X64-NOPOPCNT-NEXT: xorb %ch, %cl ; X64-NOPOPCNT-NEXT: setnp %al ; X64-NOPOPCNT-NEXT: retq ; ; X86-POPCNT-LABEL: parity_64_trunc: ; X86-POPCNT: # %bb.0: ; X86-POPCNT-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-POPCNT-NEXT: xorl {{[0-9]+}}(%esp), %eax ; X86-POPCNT-NEXT: popcntl %eax, %eax ; X86-POPCNT-NEXT: andl $1, %eax ; X86-POPCNT-NEXT: retl ; ; X64-POPCNT-LABEL: parity_64_trunc: ; X64-POPCNT: # %bb.0: ; X64-POPCNT-NEXT: popcntq %rdi, %rax ; X64-POPCNT-NEXT: andl $1, %eax ; X64-POPCNT-NEXT: # kill: def $eax killed $eax killed $rax ; X64-POPCNT-NEXT: retq %1 = tail call i64 @llvm.ctpop.i64(i64 %x) %2 = trunc i64 %1 to i32 %3 = and i32 %2, 1 ret i32 %3 } define i8 @parity_32_trunc(i32 %x) { ; X86-NOPOPCNT-LABEL: parity_32_trunc: ; X86-NOPOPCNT: # %bb.0: ; X86-NOPOPCNT-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NOPOPCNT-NEXT: movl %eax, %ecx ; X86-NOPOPCNT-NEXT: shrl $16, %ecx ; X86-NOPOPCNT-NEXT: xorl %eax, %ecx ; X86-NOPOPCNT-NEXT: xorb %ch, %cl ; X86-NOPOPCNT-NEXT: setnp %al ; X86-NOPOPCNT-NEXT: retl ; ; X64-NOPOPCNT-LABEL: parity_32_trunc: ; X64-NOPOPCNT: # %bb.0: ; X64-NOPOPCNT-NEXT: movl %edi, %eax ; X64-NOPOPCNT-NEXT: shrl $16, %eax ; X64-NOPOPCNT-NEXT: xorl %edi, %eax ; X64-NOPOPCNT-NEXT: xorb %ah, %al ; X64-NOPOPCNT-NEXT: setnp %al ; X64-NOPOPCNT-NEXT: retq ; ; X86-POPCNT-LABEL: parity_32_trunc: ; X86-POPCNT: # %bb.0: ; X86-POPCNT-NEXT: popcntl {{[0-9]+}}(%esp), %eax ; X86-POPCNT-NEXT: andl $1, %eax ; X86-POPCNT-NEXT: # kill: def $al killed $al killed $eax ; X86-POPCNT-NEXT: retl ; ; X64-POPCNT-LABEL: parity_32_trunc: ; X64-POPCNT: # %bb.0: ; X64-POPCNT-NEXT: popcntl %edi, %eax ; X64-POPCNT-NEXT: andl $1, %eax ; X64-POPCNT-NEXT: # kill: def $al killed $al killed $eax ; X64-POPCNT-NEXT: retq %1 = tail call i32 @llvm.ctpop.i32(i32 %x) %2 = trunc i32 %1 to i8 %3 = and i8 %2, 1 ret i8 %3 } define i16 @parity_16_zexti8(i8 %x) { ; X86-LABEL: parity_16_zexti8: ; X86: # %bb.0: ; X86-NEXT: xorl %eax, %eax ; X86-NEXT: cmpb $0, {{[0-9]+}}(%esp) ; X86-NEXT: setnp %al ; X86-NEXT: # kill: def $ax killed $ax killed $eax ; X86-NEXT: retl ; ; X64-LABEL: parity_16_zexti8: ; X64: # %bb.0: ; X64-NEXT: xorl %eax, %eax ; X64-NEXT: testb %dil, %dil ; X64-NEXT: setnp %al ; X64-NEXT: # kill: def $ax killed $ax killed $eax ; X64-NEXT: retq %a = zext i8 %x to i16 %b = tail call i16 @llvm.ctpop.i16(i16 %a) %c = and i16 %b, 1 ret i16 %c } define i16 @parity_16_mask255(i16 %x) { ; X86-LABEL: parity_16_mask255: ; X86: # %bb.0: ; X86-NEXT: xorl %eax, %eax ; X86-NEXT: cmpb $0, {{[0-9]+}}(%esp) ; X86-NEXT: setnp %al ; X86-NEXT: # kill: def $ax killed $ax killed $eax ; X86-NEXT: retl ; ; X64-LABEL: parity_16_mask255: ; X64: # %bb.0: ; X64-NEXT: xorl %eax, %eax ; X64-NEXT: testb %dil, %dil ; X64-NEXT: setnp %al ; X64-NEXT: # kill: def $ax killed $ax killed $eax ; X64-NEXT: retq %a = and i16 %x, 255 %b = tail call i16 @llvm.ctpop.i16(i16 %a) %c = and i16 %b, 1 ret i16 %c } define i16 @parity_16_mask15(i16 %x) { ; X86-LABEL: parity_16_mask15: ; X86: # %bb.0: ; X86-NEXT: movzwl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: xorl %eax, %eax ; X86-NEXT: testb $15, %cl ; X86-NEXT: setnp %al ; X86-NEXT: # kill: def $ax killed $ax killed $eax ; X86-NEXT: retl ; ; X64-LABEL: parity_16_mask15: ; X64: # %bb.0: ; X64-NEXT: xorl %eax, %eax ; X64-NEXT: testb $15, %dil ; X64-NEXT: setnp %al ; X64-NEXT: # kill: def $ax killed $ax killed $eax ; X64-NEXT: retq %a = and i16 %x, 15 %b = tail call i16 @llvm.ctpop.i16(i16 %a) %c = and i16 %b, 1 ret i16 %c } define i16 @parity_16_shift(i16 %0) { ; X86-NOPOPCNT-LABEL: parity_16_shift: ; X86-NOPOPCNT: # %bb.0: ; X86-NOPOPCNT-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-NOPOPCNT-NEXT: xorl %eax, %eax ; X86-NOPOPCNT-NEXT: xorb %ch, %cl ; X86-NOPOPCNT-NEXT: setnp %al ; X86-NOPOPCNT-NEXT: addl %eax, %eax ; X86-NOPOPCNT-NEXT: # kill: def $ax killed $ax killed $eax ; X86-NOPOPCNT-NEXT: retl ; ; X64-NOPOPCNT-LABEL: parity_16_shift: ; X64-NOPOPCNT: # %bb.0: ; X64-NOPOPCNT-NEXT: movl %edi, %ecx ; X64-NOPOPCNT-NEXT: xorl %eax, %eax ; X64-NOPOPCNT-NEXT: xorb %ch, %cl ; X64-NOPOPCNT-NEXT: setnp %al ; X64-NOPOPCNT-NEXT: addl %eax, %eax ; X64-NOPOPCNT-NEXT: # kill: def $ax killed $ax killed $eax ; X64-NOPOPCNT-NEXT: retq ; ; X86-POPCNT-LABEL: parity_16_shift: ; X86-POPCNT: # %bb.0: ; X86-POPCNT-NEXT: movzwl {{[0-9]+}}(%esp), %eax ; X86-POPCNT-NEXT: popcntl %eax, %eax ; X86-POPCNT-NEXT: andl $1, %eax ; X86-POPCNT-NEXT: addl %eax, %eax ; X86-POPCNT-NEXT: # kill: def $ax killed $ax killed $eax ; X86-POPCNT-NEXT: retl ; ; X64-POPCNT-LABEL: parity_16_shift: ; X64-POPCNT: # %bb.0: ; X64-POPCNT-NEXT: movzwl %di, %eax ; X64-POPCNT-NEXT: popcntl %eax, %eax ; X64-POPCNT-NEXT: andl $1, %eax ; X64-POPCNT-NEXT: addl %eax, %eax ; X64-POPCNT-NEXT: # kill: def $ax killed $ax killed $eax ; X64-POPCNT-NEXT: retq %2 = tail call i16 @llvm.ctpop.i16(i16 %0) %3 = shl nuw nsw i16 %2, 1 %4 = and i16 %3, 2 ret i16 %4 } define i32 @parity_32_zexti8(i8 %x) { ; X86-LABEL: parity_32_zexti8: ; X86: # %bb.0: ; X86-NEXT: xorl %eax, %eax ; X86-NEXT: cmpb $0, {{[0-9]+}}(%esp) ; X86-NEXT: setnp %al ; X86-NEXT: retl ; ; X64-LABEL: parity_32_zexti8: ; X64: # %bb.0: ; X64-NEXT: xorl %eax, %eax ; X64-NEXT: testb %dil, %dil ; X64-NEXT: setnp %al ; X64-NEXT: retq %a = zext i8 %x to i32 %b = tail call i32 @llvm.ctpop.i32(i32 %a) %c = and i32 %b, 1 ret i32 %c } define i32 @parity_32_mask255(i32 %x) { ; X86-LABEL: parity_32_mask255: ; X86: # %bb.0: ; X86-NEXT: xorl %eax, %eax ; X86-NEXT: cmpb $0, {{[0-9]+}}(%esp) ; X86-NEXT: setnp %al ; X86-NEXT: retl ; ; X64-LABEL: parity_32_mask255: ; X64: # %bb.0: ; X64-NEXT: xorl %eax, %eax ; X64-NEXT: testb %dil, %dil ; X64-NEXT: setnp %al ; X64-NEXT: retq %a = and i32 %x, 255 %b = tail call i32 @llvm.ctpop.i32(i32 %a) %c = and i32 %b, 1 ret i32 %c } define i32 @parity_32_mask15(i32 %x) { ; X86-LABEL: parity_32_mask15: ; X86: # %bb.0: ; X86-NEXT: xorl %eax, %eax ; X86-NEXT: testb $15, {{[0-9]+}}(%esp) ; X86-NEXT: setnp %al ; X86-NEXT: retl ; ; X64-LABEL: parity_32_mask15: ; X64: # %bb.0: ; X64-NEXT: xorl %eax, %eax ; X64-NEXT: testb $15, %dil ; X64-NEXT: setnp %al ; X64-NEXT: retq %a = and i32 %x, 15 %b = tail call i32 @llvm.ctpop.i32(i32 %a) %c = and i32 %b, 1 ret i32 %c } define i32 @parity_32_shift(i32 %0) { ; X86-NOPOPCNT-LABEL: parity_32_shift: ; X86-NOPOPCNT: # %bb.0: ; X86-NOPOPCNT-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NOPOPCNT-NEXT: movl %eax, %ecx ; X86-NOPOPCNT-NEXT: shrl $16, %ecx ; X86-NOPOPCNT-NEXT: xorl %eax, %ecx ; X86-NOPOPCNT-NEXT: xorl %eax, %eax ; X86-NOPOPCNT-NEXT: xorb %ch, %cl ; X86-NOPOPCNT-NEXT: setnp %al ; X86-NOPOPCNT-NEXT: addl %eax, %eax ; X86-NOPOPCNT-NEXT: retl ; ; X64-NOPOPCNT-LABEL: parity_32_shift: ; X64-NOPOPCNT: # %bb.0: ; X64-NOPOPCNT-NEXT: movl %edi, %ecx ; X64-NOPOPCNT-NEXT: shrl $16, %ecx ; X64-NOPOPCNT-NEXT: xorl %edi, %ecx ; X64-NOPOPCNT-NEXT: xorl %eax, %eax ; X64-NOPOPCNT-NEXT: xorb %ch, %cl ; X64-NOPOPCNT-NEXT: setnp %al ; X64-NOPOPCNT-NEXT: addl %eax, %eax ; X64-NOPOPCNT-NEXT: retq ; ; X86-POPCNT-LABEL: parity_32_shift: ; X86-POPCNT: # %bb.0: ; X86-POPCNT-NEXT: popcntl {{[0-9]+}}(%esp), %eax ; X86-POPCNT-NEXT: andl $1, %eax ; X86-POPCNT-NEXT: addl %eax, %eax ; X86-POPCNT-NEXT: retl ; ; X64-POPCNT-LABEL: parity_32_shift: ; X64-POPCNT: # %bb.0: ; X64-POPCNT-NEXT: popcntl %edi, %eax ; X64-POPCNT-NEXT: andl $1, %eax ; X64-POPCNT-NEXT: addl %eax, %eax ; X64-POPCNT-NEXT: retq %2 = tail call i32 @llvm.ctpop.i32(i32 %0) %3 = shl nuw nsw i32 %2, 1 %4 = and i32 %3, 2 ret i32 %4 } define i64 @parity_64_zexti8(i8 %x) { ; X86-LABEL: parity_64_zexti8: ; X86: # %bb.0: ; X86-NEXT: xorl %eax, %eax ; X86-NEXT: cmpb $0, {{[0-9]+}}(%esp) ; X86-NEXT: setnp %al ; X86-NEXT: xorl %edx, %edx ; X86-NEXT: retl ; ; X64-LABEL: parity_64_zexti8: ; X64: # %bb.0: ; X64-NEXT: xorl %eax, %eax ; X64-NEXT: testb %dil, %dil ; X64-NEXT: setnp %al ; X64-NEXT: retq %a = zext i8 %x to i64 %b = tail call i64 @llvm.ctpop.i64(i64 %a) %c = and i64 %b, 1 ret i64 %c } define i64 @parity_64_mask255(i64 %x) { ; X86-LABEL: parity_64_mask255: ; X86: # %bb.0: ; X86-NEXT: xorl %eax, %eax ; X86-NEXT: cmpb $0, {{[0-9]+}}(%esp) ; X86-NEXT: setnp %al ; X86-NEXT: xorl %edx, %edx ; X86-NEXT: retl ; ; X64-LABEL: parity_64_mask255: ; X64: # %bb.0: ; X64-NEXT: xorl %eax, %eax ; X64-NEXT: testb %dil, %dil ; X64-NEXT: setnp %al ; X64-NEXT: retq %a = and i64 %x, 255 %b = tail call i64 @llvm.ctpop.i64(i64 %a) %c = and i64 %b, 1 ret i64 %c } define i64 @parity_64_mask15(i64 %x) { ; X86-LABEL: parity_64_mask15: ; X86: # %bb.0: ; X86-NEXT: xorl %eax, %eax ; X86-NEXT: testb $15, {{[0-9]+}}(%esp) ; X86-NEXT: setnp %al ; X86-NEXT: xorl %edx, %edx ; X86-NEXT: retl ; ; X64-LABEL: parity_64_mask15: ; X64: # %bb.0: ; X64-NEXT: xorl %eax, %eax ; X64-NEXT: testb $15, %dil ; X64-NEXT: setnp %al ; X64-NEXT: retq %a = and i64 %x, 15 %b = tail call i64 @llvm.ctpop.i64(i64 %a) %c = and i64 %b, 1 ret i64 %c } define i64 @parity_64_shift(i64 %0) { ; X86-NOPOPCNT-LABEL: parity_64_shift: ; X86-NOPOPCNT: # %bb.0: ; X86-NOPOPCNT-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NOPOPCNT-NEXT: xorl {{[0-9]+}}(%esp), %eax ; X86-NOPOPCNT-NEXT: movl %eax, %ecx ; X86-NOPOPCNT-NEXT: shrl $16, %ecx ; X86-NOPOPCNT-NEXT: xorl %eax, %ecx ; X86-NOPOPCNT-NEXT: xorl %eax, %eax ; X86-NOPOPCNT-NEXT: xorb %ch, %cl ; X86-NOPOPCNT-NEXT: setnp %al ; X86-NOPOPCNT-NEXT: addl %eax, %eax ; X86-NOPOPCNT-NEXT: xorl %edx, %edx ; X86-NOPOPCNT-NEXT: retl ; ; X64-NOPOPCNT-LABEL: parity_64_shift: ; X64-NOPOPCNT: # %bb.0: ; X64-NOPOPCNT-NEXT: movq %rdi, %rax ; X64-NOPOPCNT-NEXT: shrq $32, %rax ; X64-NOPOPCNT-NEXT: xorl %edi, %eax ; X64-NOPOPCNT-NEXT: movl %eax, %ecx ; X64-NOPOPCNT-NEXT: shrl $16, %ecx ; X64-NOPOPCNT-NEXT: xorl %eax, %ecx ; X64-NOPOPCNT-NEXT: xorl %eax, %eax ; X64-NOPOPCNT-NEXT: xorb %ch, %cl ; X64-NOPOPCNT-NEXT: setnp %al ; X64-NOPOPCNT-NEXT: addq %rax, %rax ; X64-NOPOPCNT-NEXT: retq ; ; X86-POPCNT-LABEL: parity_64_shift: ; X86-POPCNT: # %bb.0: ; X86-POPCNT-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-POPCNT-NEXT: xorl {{[0-9]+}}(%esp), %eax ; X86-POPCNT-NEXT: popcntl %eax, %eax ; X86-POPCNT-NEXT: andl $1, %eax ; X86-POPCNT-NEXT: addl %eax, %eax ; X86-POPCNT-NEXT: xorl %edx, %edx ; X86-POPCNT-NEXT: retl ; ; X64-POPCNT-LABEL: parity_64_shift: ; X64-POPCNT: # %bb.0: ; X64-POPCNT-NEXT: popcntq %rdi, %rax ; X64-POPCNT-NEXT: andl $1, %eax ; X64-POPCNT-NEXT: addq %rax, %rax ; X64-POPCNT-NEXT: retq %2 = tail call i64 @llvm.ctpop.i64(i64 %0) %3 = shl nuw nsw i64 %2, 1 %4 = and i64 %3, 2 ret i64 %4 } declare i4 @llvm.ctpop.i4(i4 %x) declare i8 @llvm.ctpop.i8(i8 %x) declare i16 @llvm.ctpop.i16(i16 %x) declare i17 @llvm.ctpop.i17(i17 %x) declare i32 @llvm.ctpop.i32(i32 %x) declare i64 @llvm.ctpop.i64(i64 %x)