| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+popcnt,+sse2 | FileCheck %s |
| |
| define i1 @noncanonical_parity(<16 x i1> %x) { |
| ; CHECK-LABEL: noncanonical_parity: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: psllw $7, %xmm0 |
| ; CHECK-NEXT: pmovmskb %xmm0, %eax |
| ; CHECK-NEXT: popcntl %eax, %eax |
| ; CHECK-NEXT: andl $1, %eax |
| ; CHECK-NEXT: # kill: def $al killed $al killed $eax |
| ; CHECK-NEXT: retq |
| %r = call i1 @llvm.vector.reduce.xor.v16i1(<16 x i1> %x) |
| ret i1 %r |
| } |
| define i1 @canonical_parity(<16 x i1> %x) { |
| ; CHECK-LABEL: canonical_parity: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: psllw $7, %xmm0 |
| ; CHECK-NEXT: pmovmskb %xmm0, %eax |
| ; CHECK-NEXT: popcntl %eax, %eax |
| ; CHECK-NEXT: testb $1, %al |
| ; CHECK-NEXT: setne %al |
| ; CHECK-NEXT: retq |
| %i1 = bitcast <16 x i1> %x to i16 |
| %i2 = call i16 @llvm.ctpop.i16(i16 %i1) |
| %i3 = and i16 %i2, 1 |
| %i4 = icmp ne i16 %i3, 0 |
| ret i1 %i4 |
| } |
| define i1 @canonical_parity_noncanonical_pred(<16 x i1> %x) { |
| ; CHECK-LABEL: canonical_parity_noncanonical_pred: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: psllw $7, %xmm0 |
| ; CHECK-NEXT: pmovmskb %xmm0, %eax |
| ; CHECK-NEXT: popcntl %eax, %eax |
| ; CHECK-NEXT: # kill: def $al killed $al killed $eax |
| ; CHECK-NEXT: retq |
| %i1 = bitcast <16 x i1> %x to i16 |
| %i2 = call i16 @llvm.ctpop.i16(i16 %i1) |
| %i3 = and i16 %i2, 1 |
| %i4 = icmp eq i16 %i3, 1 |
| ret i1 %i4 |
| } |
| |
| define i1 @noncanonical_nonparity(<16 x i1> %x) { |
| ; CHECK-LABEL: noncanonical_nonparity: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: psllw $7, %xmm0 |
| ; CHECK-NEXT: pmovmskb %xmm0, %eax |
| ; CHECK-NEXT: popcntl %eax, %eax |
| ; CHECK-NEXT: andl $1, %eax |
| ; CHECK-NEXT: xorb $1, %al |
| ; CHECK-NEXT: # kill: def $al killed $al killed $eax |
| ; CHECK-NEXT: retq |
| %r.inv = call i1 @llvm.vector.reduce.xor.v16i1(<16 x i1> %x) |
| %r = xor i1 %r.inv, -1 |
| ret i1 %r |
| } |
| define i1 @canonical_nonparity(<16 x i1> %x) { |
| ; CHECK-LABEL: canonical_nonparity: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: psllw $7, %xmm0 |
| ; CHECK-NEXT: pmovmskb %xmm0, %eax |
| ; CHECK-NEXT: popcntl %eax, %eax |
| ; CHECK-NEXT: testb $1, %al |
| ; CHECK-NEXT: sete %al |
| ; CHECK-NEXT: retq |
| %i1 = bitcast <16 x i1> %x to i16 |
| %i2 = call i16 @llvm.ctpop.i16(i16 %i1) |
| %i3 = and i16 %i2, 1 |
| %i4 = icmp eq i16 %i3, 0 |
| ret i1 %i4 |
| } |
| define i1 @canonical_nonparity_noncanonical_pred(<16 x i1> %x) { |
| ; CHECK-LABEL: canonical_nonparity_noncanonical_pred: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: psllw $7, %xmm0 |
| ; CHECK-NEXT: pmovmskb %xmm0, %eax |
| ; CHECK-NEXT: popcntl %eax, %eax |
| ; CHECK-NEXT: andl $1, %eax |
| ; CHECK-NEXT: xorb $1, %al |
| ; CHECK-NEXT: # kill: def $al killed $al killed $eax |
| ; CHECK-NEXT: retq |
| %i1 = bitcast <16 x i1> %x to i16 |
| %i2 = call i16 @llvm.ctpop.i16(i16 %i1) |
| %i3 = and i16 %i2, 1 |
| %i4 = icmp ne i16 %i3, 1 |
| ret i1 %i4 |
| } |
| |
| declare i1 @llvm.vector.reduce.xor.v16i1(<16 x i1>) |
| declare i16 @llvm.ctpop.i16(i16) |