525 lines
16 KiB
LLVM
525 lines
16 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=-popcnt | FileCheck %s --check-prefix=X86-NOPOPCNT
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=-popcnt | FileCheck %s --check-prefix=X64-NOPOPCNT
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; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+popcnt | FileCheck %s --check-prefix=X86-POPCNT
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+popcnt | FileCheck %s --check-prefix=X64-POPCNT
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define i4 @parity_4(i4 %x) {
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; X86-NOPOPCNT-LABEL: parity_4:
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; X86-NOPOPCNT: # %bb.0:
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; X86-NOPOPCNT-NEXT: testb $15, {{[0-9]+}}(%esp)
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; X86-NOPOPCNT-NEXT: setnp %al
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; X86-NOPOPCNT-NEXT: retl
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;
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; X64-NOPOPCNT-LABEL: parity_4:
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; X64-NOPOPCNT: # %bb.0:
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; X64-NOPOPCNT-NEXT: testb $15, %dil
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; X64-NOPOPCNT-NEXT: setnp %al
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; X64-NOPOPCNT-NEXT: retq
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;
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; X86-POPCNT-LABEL: parity_4:
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; X86-POPCNT: # %bb.0:
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; X86-POPCNT-NEXT: testb $15, {{[0-9]+}}(%esp)
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; X86-POPCNT-NEXT: setnp %al
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; X86-POPCNT-NEXT: retl
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;
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; X64-POPCNT-LABEL: parity_4:
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; X64-POPCNT: # %bb.0:
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; X64-POPCNT-NEXT: testb $15, %dil
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; X64-POPCNT-NEXT: setnp %al
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; X64-POPCNT-NEXT: retq
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%1 = tail call i4 @llvm.ctpop.i4(i4 %x)
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%2 = and i4 %1, 1
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ret i4 %2
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}
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define i8 @parity_8(i8 %x) {
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; X86-NOPOPCNT-LABEL: parity_8:
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; X86-NOPOPCNT: # %bb.0:
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; X86-NOPOPCNT-NEXT: cmpb $0, {{[0-9]+}}(%esp)
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; X86-NOPOPCNT-NEXT: setnp %al
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; X86-NOPOPCNT-NEXT: retl
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;
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; X64-NOPOPCNT-LABEL: parity_8:
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; X64-NOPOPCNT: # %bb.0:
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; X64-NOPOPCNT-NEXT: testb %dil, %dil
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; X64-NOPOPCNT-NEXT: setnp %al
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; X64-NOPOPCNT-NEXT: retq
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;
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; X86-POPCNT-LABEL: parity_8:
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; X86-POPCNT: # %bb.0:
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; X86-POPCNT-NEXT: cmpb $0, {{[0-9]+}}(%esp)
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; X86-POPCNT-NEXT: setnp %al
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; X86-POPCNT-NEXT: retl
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;
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; X64-POPCNT-LABEL: parity_8:
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; X64-POPCNT: # %bb.0:
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; X64-POPCNT-NEXT: testb %dil, %dil
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; X64-POPCNT-NEXT: setnp %al
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; X64-POPCNT-NEXT: retq
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%1 = tail call i8 @llvm.ctpop.i8(i8 %x)
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%2 = and i8 %1, 1
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ret i8 %2
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}
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define i16 @parity_16(i16 %x) {
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; X86-NOPOPCNT-LABEL: parity_16:
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; X86-NOPOPCNT: # %bb.0:
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; X86-NOPOPCNT-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X86-NOPOPCNT-NEXT: xorl %eax, %eax
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; X86-NOPOPCNT-NEXT: xorb %ch, %cl
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; X86-NOPOPCNT-NEXT: setnp %al
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; X86-NOPOPCNT-NEXT: # kill: def $ax killed $ax killed $eax
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; X86-NOPOPCNT-NEXT: retl
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;
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; X64-NOPOPCNT-LABEL: parity_16:
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; X64-NOPOPCNT: # %bb.0:
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; X64-NOPOPCNT-NEXT: movl %edi, %ecx
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; X64-NOPOPCNT-NEXT: xorl %eax, %eax
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; X64-NOPOPCNT-NEXT: xorb %ch, %cl
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; X64-NOPOPCNT-NEXT: setnp %al
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; X64-NOPOPCNT-NEXT: # kill: def $ax killed $ax killed $eax
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; X64-NOPOPCNT-NEXT: retq
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;
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; X86-POPCNT-LABEL: parity_16:
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; X86-POPCNT: # %bb.0:
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; X86-POPCNT-NEXT: popcntw {{[0-9]+}}(%esp), %ax
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; X86-POPCNT-NEXT: andl $1, %eax
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; X86-POPCNT-NEXT: # kill: def $ax killed $ax killed $eax
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; X86-POPCNT-NEXT: retl
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;
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; X64-POPCNT-LABEL: parity_16:
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; X64-POPCNT: # %bb.0:
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; X64-POPCNT-NEXT: popcntw %di, %ax
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; X64-POPCNT-NEXT: andl $1, %eax
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; X64-POPCNT-NEXT: # kill: def $ax killed $ax killed $eax
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; X64-POPCNT-NEXT: retq
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%1 = tail call i16 @llvm.ctpop.i16(i16 %x)
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%2 = and i16 %1, 1
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ret i16 %2
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}
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define i16 @parity_16_load(i16* %x) {
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; X86-NOPOPCNT-LABEL: parity_16_load:
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; X86-NOPOPCNT: # %bb.0:
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; X86-NOPOPCNT-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NOPOPCNT-NEXT: movzwl (%eax), %ecx
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; X86-NOPOPCNT-NEXT: xorl %eax, %eax
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; X86-NOPOPCNT-NEXT: xorb %ch, %cl
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; X86-NOPOPCNT-NEXT: setnp %al
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; X86-NOPOPCNT-NEXT: # kill: def $ax killed $ax killed $eax
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; X86-NOPOPCNT-NEXT: retl
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;
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; X64-NOPOPCNT-LABEL: parity_16_load:
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; X64-NOPOPCNT: # %bb.0:
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; X64-NOPOPCNT-NEXT: movzwl (%rdi), %ecx
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; X64-NOPOPCNT-NEXT: xorl %eax, %eax
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; X64-NOPOPCNT-NEXT: xorb %ch, %cl
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; X64-NOPOPCNT-NEXT: setnp %al
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; X64-NOPOPCNT-NEXT: # kill: def $ax killed $ax killed $eax
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; X64-NOPOPCNT-NEXT: retq
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;
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; X86-POPCNT-LABEL: parity_16_load:
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; X86-POPCNT: # %bb.0:
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; X86-POPCNT-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-POPCNT-NEXT: popcntw (%eax), %ax
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; X86-POPCNT-NEXT: andl $1, %eax
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; X86-POPCNT-NEXT: # kill: def $ax killed $ax killed $eax
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; X86-POPCNT-NEXT: retl
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;
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; X64-POPCNT-LABEL: parity_16_load:
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; X64-POPCNT: # %bb.0:
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; X64-POPCNT-NEXT: popcntw (%rdi), %ax
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; X64-POPCNT-NEXT: andl $1, %eax
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; X64-POPCNT-NEXT: # kill: def $ax killed $ax killed $eax
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; X64-POPCNT-NEXT: retq
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%1 = load i16, i16* %x
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%2 = tail call i16 @llvm.ctpop.i16(i16 %1)
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%3 = and i16 %2, 1
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ret i16 %3
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}
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define i17 @parity_17(i17 %x) {
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; X86-NOPOPCNT-LABEL: parity_17:
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; X86-NOPOPCNT: # %bb.0:
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; X86-NOPOPCNT-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X86-NOPOPCNT-NEXT: movl %ecx, %eax
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; X86-NOPOPCNT-NEXT: andl $131071, %eax # imm = 0x1FFFF
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; X86-NOPOPCNT-NEXT: movl %eax, %edx
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; X86-NOPOPCNT-NEXT: shrl $16, %edx
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; X86-NOPOPCNT-NEXT: xorl %eax, %edx
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; X86-NOPOPCNT-NEXT: xorl %eax, %eax
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; X86-NOPOPCNT-NEXT: xorb %dl, %ch
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; X86-NOPOPCNT-NEXT: setnp %al
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; X86-NOPOPCNT-NEXT: retl
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;
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; X64-NOPOPCNT-LABEL: parity_17:
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; X64-NOPOPCNT: # %bb.0:
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; X64-NOPOPCNT-NEXT: movl %edi, %eax
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; X64-NOPOPCNT-NEXT: andl $131071, %eax # imm = 0x1FFFF
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; X64-NOPOPCNT-NEXT: movl %eax, %ecx
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; X64-NOPOPCNT-NEXT: shrl $16, %ecx
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; X64-NOPOPCNT-NEXT: xorl %eax, %ecx
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; X64-NOPOPCNT-NEXT: shrl $8, %edi
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; X64-NOPOPCNT-NEXT: xorl %eax, %eax
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; X64-NOPOPCNT-NEXT: xorb %cl, %dil
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; X64-NOPOPCNT-NEXT: setnp %al
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; X64-NOPOPCNT-NEXT: retq
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;
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; X86-POPCNT-LABEL: parity_17:
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; X86-POPCNT: # %bb.0:
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; X86-POPCNT-NEXT: movl $131071, %eax # imm = 0x1FFFF
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; X86-POPCNT-NEXT: andl {{[0-9]+}}(%esp), %eax
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; X86-POPCNT-NEXT: popcntl %eax, %eax
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; X86-POPCNT-NEXT: andl $1, %eax
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; X86-POPCNT-NEXT: retl
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;
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; X64-POPCNT-LABEL: parity_17:
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; X64-POPCNT: # %bb.0:
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; X64-POPCNT-NEXT: andl $131071, %edi # imm = 0x1FFFF
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; X64-POPCNT-NEXT: popcntl %edi, %eax
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; X64-POPCNT-NEXT: andl $1, %eax
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; X64-POPCNT-NEXT: retq
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%1 = tail call i17 @llvm.ctpop.i17(i17 %x)
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%2 = and i17 %1, 1
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ret i17 %2
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}
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define i32 @parity_32(i32 %x) {
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; X86-NOPOPCNT-LABEL: parity_32:
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; X86-NOPOPCNT: # %bb.0:
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; X86-NOPOPCNT-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NOPOPCNT-NEXT: movl %eax, %ecx
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; X86-NOPOPCNT-NEXT: shrl $16, %ecx
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; X86-NOPOPCNT-NEXT: xorl %eax, %ecx
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; X86-NOPOPCNT-NEXT: xorl %eax, %eax
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; X86-NOPOPCNT-NEXT: xorb %ch, %cl
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; X86-NOPOPCNT-NEXT: setnp %al
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; X86-NOPOPCNT-NEXT: retl
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;
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; X64-NOPOPCNT-LABEL: parity_32:
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; X64-NOPOPCNT: # %bb.0:
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; X64-NOPOPCNT-NEXT: movl %edi, %ecx
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; X64-NOPOPCNT-NEXT: shrl $16, %ecx
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; X64-NOPOPCNT-NEXT: xorl %edi, %ecx
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; X64-NOPOPCNT-NEXT: xorl %eax, %eax
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; X64-NOPOPCNT-NEXT: xorb %ch, %cl
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; X64-NOPOPCNT-NEXT: setnp %al
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; X64-NOPOPCNT-NEXT: retq
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;
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; X86-POPCNT-LABEL: parity_32:
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; X86-POPCNT: # %bb.0:
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; X86-POPCNT-NEXT: popcntl {{[0-9]+}}(%esp), %eax
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; X86-POPCNT-NEXT: andl $1, %eax
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; X86-POPCNT-NEXT: retl
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;
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; X64-POPCNT-LABEL: parity_32:
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; X64-POPCNT: # %bb.0:
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; X64-POPCNT-NEXT: popcntl %edi, %eax
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; X64-POPCNT-NEXT: andl $1, %eax
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; X64-POPCNT-NEXT: retq
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%1 = tail call i32 @llvm.ctpop.i32(i32 %x)
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%2 = and i32 %1, 1
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ret i32 %2
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}
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define i64 @parity_64(i64 %x) {
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; X86-NOPOPCNT-LABEL: parity_64:
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; X86-NOPOPCNT: # %bb.0:
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; X86-NOPOPCNT-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NOPOPCNT-NEXT: xorl {{[0-9]+}}(%esp), %eax
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; X86-NOPOPCNT-NEXT: movl %eax, %ecx
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; X86-NOPOPCNT-NEXT: shrl $16, %ecx
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; X86-NOPOPCNT-NEXT: xorl %eax, %ecx
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; X86-NOPOPCNT-NEXT: xorl %eax, %eax
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; X86-NOPOPCNT-NEXT: xorb %ch, %cl
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; X86-NOPOPCNT-NEXT: setnp %al
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; X86-NOPOPCNT-NEXT: xorl %edx, %edx
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; X86-NOPOPCNT-NEXT: retl
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;
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; X64-NOPOPCNT-LABEL: parity_64:
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; X64-NOPOPCNT: # %bb.0:
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; X64-NOPOPCNT-NEXT: movq %rdi, %rax
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; X64-NOPOPCNT-NEXT: shrq $32, %rax
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; X64-NOPOPCNT-NEXT: xorl %edi, %eax
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; X64-NOPOPCNT-NEXT: movl %eax, %ecx
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; X64-NOPOPCNT-NEXT: shrl $16, %ecx
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; X64-NOPOPCNT-NEXT: xorl %eax, %ecx
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; X64-NOPOPCNT-NEXT: xorl %eax, %eax
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; X64-NOPOPCNT-NEXT: xorb %ch, %cl
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; X64-NOPOPCNT-NEXT: setnp %al
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; X64-NOPOPCNT-NEXT: retq
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;
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; X86-POPCNT-LABEL: parity_64:
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; X86-POPCNT: # %bb.0:
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; X86-POPCNT-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-POPCNT-NEXT: xorl {{[0-9]+}}(%esp), %eax
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; X86-POPCNT-NEXT: popcntl %eax, %eax
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; X86-POPCNT-NEXT: andl $1, %eax
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; X86-POPCNT-NEXT: xorl %edx, %edx
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; X86-POPCNT-NEXT: retl
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;
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; X64-POPCNT-LABEL: parity_64:
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; X64-POPCNT: # %bb.0:
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; X64-POPCNT-NEXT: popcntq %rdi, %rax
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; X64-POPCNT-NEXT: andl $1, %eax
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; X64-POPCNT-NEXT: retq
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%1 = tail call i64 @llvm.ctpop.i64(i64 %x)
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%2 = and i64 %1, 1
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ret i64 %2
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}
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define i32 @parity_64_trunc(i64 %x) {
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; X86-NOPOPCNT-LABEL: parity_64_trunc:
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; X86-NOPOPCNT: # %bb.0:
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; X86-NOPOPCNT-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NOPOPCNT-NEXT: xorl {{[0-9]+}}(%esp), %eax
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; X86-NOPOPCNT-NEXT: movl %eax, %ecx
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; X86-NOPOPCNT-NEXT: shrl $16, %ecx
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; X86-NOPOPCNT-NEXT: xorl %eax, %ecx
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; X86-NOPOPCNT-NEXT: xorl %eax, %eax
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|
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; 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 i32 @parity_8_zext(i8 %x) {
|
||
|
|
; X86-NOPOPCNT-LABEL: parity_8_zext:
|
||
|
|
; X86-NOPOPCNT: # %bb.0:
|
||
|
|
; X86-NOPOPCNT-NEXT: xorl %eax, %eax
|
||
|
|
; X86-NOPOPCNT-NEXT: cmpb $0, {{[0-9]+}}(%esp)
|
||
|
|
; X86-NOPOPCNT-NEXT: setnp %al
|
||
|
|
; X86-NOPOPCNT-NEXT: retl
|
||
|
|
;
|
||
|
|
; X64-NOPOPCNT-LABEL: parity_8_zext:
|
||
|
|
; X64-NOPOPCNT: # %bb.0:
|
||
|
|
; X64-NOPOPCNT-NEXT: xorl %eax, %eax
|
||
|
|
; X64-NOPOPCNT-NEXT: testb %dil, %dil
|
||
|
|
; X64-NOPOPCNT-NEXT: setnp %al
|
||
|
|
; X64-NOPOPCNT-NEXT: retq
|
||
|
|
;
|
||
|
|
; X86-POPCNT-LABEL: parity_8_zext:
|
||
|
|
; X86-POPCNT: # %bb.0:
|
||
|
|
; X86-POPCNT-NEXT: movzbl {{[0-9]+}}(%esp), %eax
|
||
|
|
; X86-POPCNT-NEXT: popcntl %eax, %eax
|
||
|
|
; X86-POPCNT-NEXT: andl $1, %eax
|
||
|
|
; X86-POPCNT-NEXT: retl
|
||
|
|
;
|
||
|
|
; X64-POPCNT-LABEL: parity_8_zext:
|
||
|
|
; X64-POPCNT: # %bb.0:
|
||
|
|
; X64-POPCNT-NEXT: movzbl %dil, %eax
|
||
|
|
; X64-POPCNT-NEXT: popcntl %eax, %eax
|
||
|
|
; X64-POPCNT-NEXT: andl $1, %eax
|
||
|
|
; X64-POPCNT-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_8_mask(i32 %x) {
|
||
|
|
; X86-NOPOPCNT-LABEL: parity_8_mask:
|
||
|
|
; X86-NOPOPCNT: # %bb.0:
|
||
|
|
; X86-NOPOPCNT-NEXT: xorl %eax, %eax
|
||
|
|
; X86-NOPOPCNT-NEXT: cmpb $0, {{[0-9]+}}(%esp)
|
||
|
|
; X86-NOPOPCNT-NEXT: setnp %al
|
||
|
|
; X86-NOPOPCNT-NEXT: retl
|
||
|
|
;
|
||
|
|
; X64-NOPOPCNT-LABEL: parity_8_mask:
|
||
|
|
; X64-NOPOPCNT: # %bb.0:
|
||
|
|
; X64-NOPOPCNT-NEXT: xorl %eax, %eax
|
||
|
|
; X64-NOPOPCNT-NEXT: testb %dil, %dil
|
||
|
|
; X64-NOPOPCNT-NEXT: setnp %al
|
||
|
|
; X64-NOPOPCNT-NEXT: retq
|
||
|
|
;
|
||
|
|
; X86-POPCNT-LABEL: parity_8_mask:
|
||
|
|
; X86-POPCNT: # %bb.0:
|
||
|
|
; X86-POPCNT-NEXT: movzbl {{[0-9]+}}(%esp), %eax
|
||
|
|
; X86-POPCNT-NEXT: popcntl %eax, %eax
|
||
|
|
; X86-POPCNT-NEXT: andl $1, %eax
|
||
|
|
; X86-POPCNT-NEXT: retl
|
||
|
|
;
|
||
|
|
; X64-POPCNT-LABEL: parity_8_mask:
|
||
|
|
; X64-POPCNT: # %bb.0:
|
||
|
|
; X64-POPCNT-NEXT: movzbl %dil, %eax
|
||
|
|
; X64-POPCNT-NEXT: popcntl %eax, %eax
|
||
|
|
; X64-POPCNT-NEXT: andl $1, %eax
|
||
|
|
; X64-POPCNT-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_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_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)
|