; 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: addl %eax, %eax
; 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: addl %eax, %eax
; 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)
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