test/CodeGen/X86/combine-ptest-256.ll - llvm-project/llvm - Git at Google

 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx    | FileCheck %s --check-prefixes=CHECK,AVX1
 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx2   | FileCheck %s --check-prefixes=CHECK,AVX2

 ;
 ; testz(~X,Y) -> testc(X,Y)
 ;

 define i32 @ptestz_256_invert0(<4 x i64> %c, <4 x i64> %d, i32 %a, i32 %b) {
 ; CHECK-LABEL: ptestz_256_invert0:
 ; CHECK:       # %bb.0:
 ; CHECK-NEXT:    movl %edi, %eax
 ; CHECK-NEXT:    vptest %ymm1, %ymm0
 ; CHECK-NEXT:    cmovael %esi, %eax
 ; CHECK-NEXT:    vzeroupper
 ; CHECK-NEXT:    retq
   %t1 = xor <4 x i64> %c, <i64 -1, i64 -1, i64 -1, i64 -1>
   %t2 = call i32 @llvm.x86.avx.ptestz.256(<4 x i64> %t1, <4 x i64> %d)
   %t3 = icmp ne i32 %t2, 0
   %t4 = select i1 %t3, i32 %a, i32 %b
   ret i32 %t4
 }

 ;
 ; testz(X,~Y) -> testc(Y,X)
 ;

 define i32 @ptestz_256_invert1(<4 x i64> %c, <4 x i64> %d, i32 %a, i32 %b) {
 ; CHECK-LABEL: ptestz_256_invert1:
 ; CHECK:       # %bb.0:
 ; CHECK-NEXT:    movl %edi, %eax
 ; CHECK-NEXT:    vptest %ymm0, %ymm1
 ; CHECK-NEXT:    cmovael %esi, %eax
 ; CHECK-NEXT:    vzeroupper
 ; CHECK-NEXT:    retq
   %t1 = xor <4 x i64> %d, <i64 -1, i64 -1, i64 -1, i64 -1>
   %t2 = call i32 @llvm.x86.avx.ptestz.256(<4 x i64> %c, <4 x i64> %t1)
   %t3 = icmp ne i32 %t2, 0
   %t4 = select i1 %t3, i32 %a, i32 %b
   ret i32 %t4
 }

 ;
 ; testc(~X,Y) -> testz(X,Y)
 ;

 define i32 @ptestc_256_invert0(<4 x i64> %c, <4 x i64> %d, i32 %a, i32 %b) {
 ; CHECK-LABEL: ptestc_256_invert0:
 ; CHECK:       # %bb.0:
 ; CHECK-NEXT:    movl %edi, %eax
 ; CHECK-NEXT:    vptest %ymm1, %ymm0
 ; CHECK-NEXT:    cmovnel %esi, %eax
 ; CHECK-NEXT:    vzeroupper
 ; CHECK-NEXT:    retq
   %t1 = xor <4 x i64> %c, <i64 -1, i64 -1, i64 -1, i64 -1>
   %t2 = call i32 @llvm.x86.avx.ptestc.256(<4 x i64> %t1, <4 x i64> %d)
   %t3 = icmp ne i32 %t2, 0
   %t4 = select i1 %t3, i32 %a, i32 %b
   ret i32 %t4
 }

 ;
 ; testnzc(~X,Y) -> testnzc(X,Y)
 ;

 define i32 @ptestnzc_256_invert0(<4 x i64> %c, <4 x i64> %d, i32 %a, i32 %b) {
 ; CHECK-LABEL: ptestnzc_256_invert0:
 ; CHECK:       # %bb.0:
 ; CHECK-NEXT:    movl %edi, %eax
 ; CHECK-NEXT:    vptest %ymm1, %ymm0
 ; CHECK-NEXT:    cmovbel %esi, %eax
 ; CHECK-NEXT:    vzeroupper
 ; CHECK-NEXT:    retq
   %t1 = xor <4 x i64> %c, <i64 -1, i64 -1, i64 -1, i64 -1>
   %t2 = call i32 @llvm.x86.avx.ptestnzc.256(<4 x i64> %t1, <4 x i64> %d)
   %t3 = icmp ne i32 %t2, 0
   %t4 = select i1 %t3, i32 %a, i32 %b
   ret i32 %t4
 }

 define i32 @ptestnzc_256_invert0_commute(<4 x i64> %c, <4 x i64> %d, i32 %a, i32 %b) {
 ; CHECK-LABEL: ptestnzc_256_invert0_commute:
 ; CHECK:       # %bb.0:
 ; CHECK-NEXT:    movl %edi, %eax
 ; CHECK-NEXT:    vptest %ymm1, %ymm0
 ; CHECK-NEXT:    cmoval %esi, %eax
 ; CHECK-NEXT:    vzeroupper
 ; CHECK-NEXT:    retq
   %t1 = xor <4 x i64> %c, <i64 -1, i64 -1, i64 -1, i64 -1>
   %t2 = call i32 @llvm.x86.avx.ptestnzc.256(<4 x i64> %t1, <4 x i64> %d)
   %t3 = icmp eq i32 %t2, 0
   %t4 = select i1 %t3, i32 %a, i32 %b
   ret i32 %t4
 }

 ;
 ; testc(X,~X) -> testc(X,-1)
 ;

 define i32 @ptestc_256_not(<4 x i64> %c, <4 x i64> %d, i32 %a, i32 %b) {
 ; AVX1-LABEL: ptestc_256_not:
 ; AVX1:       # %bb.0:
 ; AVX1-NEXT:    movl %edi, %eax
 ; AVX1-NEXT:    vxorps %xmm1, %xmm1, %xmm1
 ; AVX1-NEXT:    vcmptrueps %ymm1, %ymm1, %ymm1
 ; AVX1-NEXT:    vptest %ymm1, %ymm0
 ; AVX1-NEXT:    cmovael %esi, %eax
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
 ; AVX2-LABEL: ptestc_256_not:
 ; AVX2:       # %bb.0:
 ; AVX2-NEXT:    movl %edi, %eax
 ; AVX2-NEXT:    vpcmpeqd %ymm1, %ymm1, %ymm1
 ; AVX2-NEXT:    vptest %ymm1, %ymm0
 ; AVX2-NEXT:    cmovael %esi, %eax
 ; AVX2-NEXT:    vzeroupper
 ; AVX2-NEXT:    retq
   %t1 = xor <4 x i64> %c, <i64 -1, i64 -1, i64 -1, i64 -1>
   %t2 = call i32 @llvm.x86.avx.ptestc.256(<4 x i64> %c, <4 x i64> %t1)
   %t3 = icmp ne i32 %t2, 0
   %t4 = select i1 %t3, i32 %a, i32 %b
   ret i32 %t4
 }

 ;
 ; testz(AND(X,Y),AND(X,Y)) -> testz(X,Y)
 ;

 define i32 @ptestz_256_and(<4 x i64> %c, <4 x i64> %d, i32 %a, i32 %b) {
 ; CHECK-LABEL: ptestz_256_and:
 ; CHECK:       # %bb.0:
 ; CHECK-NEXT:    movl %edi, %eax
 ; CHECK-NEXT:    vptest %ymm1, %ymm0
 ; CHECK-NEXT:    cmovel %esi, %eax
 ; CHECK-NEXT:    vzeroupper
 ; CHECK-NEXT:    retq
   %t1 = and <4 x i64> %c, %d
   %t2 = call i32 @llvm.x86.avx.ptestz.256(<4 x i64> %t1, <4 x i64> %t1)
   %t3 = icmp eq i32 %t2, 0
   %t4 = select i1 %t3, i32 %a, i32 %b
   ret i32 %t4
 }

 ;
 ; testz(AND(~X,Y),AND(~X,Y)) -> testc(X,Y)
 ;

 define i32 @ptestz_256_andc(<4 x i64> %c, <4 x i64> %d, i32 %a, i32 %b) {
 ; CHECK-LABEL: ptestz_256_andc:
 ; CHECK:       # %bb.0:
 ; CHECK-NEXT:    movl %edi, %eax
 ; CHECK-NEXT:    vptest %ymm1, %ymm0
 ; CHECK-NEXT:    cmovbl %esi, %eax
 ; CHECK-NEXT:    vzeroupper
 ; CHECK-NEXT:    retq
   %t1 = xor <4 x i64> %c, <i64 -1, i64 -1, i64 -1, i64 -1>
   %t2 = and <4 x i64> %t1, %d
   %t3 = call i32 @llvm.x86.avx.ptestz.256(<4 x i64> %t2, <4 x i64> %t2)
   %t4 = icmp eq i32 %t3, 0
   %t5 = select i1 %t4, i32 %a, i32 %b
   ret i32 %t5
 }

 ;
 ; testz(-1,X) -> testz(X,X)
 ;

 define i32 @ptestz_256_allones0(<4 x i64> %c, i32 %a, i32 %b) {
 ; CHECK-LABEL: ptestz_256_allones0:
 ; CHECK:       # %bb.0:
 ; CHECK-NEXT:    movl %edi, %eax
 ; CHECK-NEXT:    vptest %ymm0, %ymm0
 ; CHECK-NEXT:    cmovnel %esi, %eax
 ; CHECK-NEXT:    vzeroupper
 ; CHECK-NEXT:    retq
   %t1 = call i32 @llvm.x86.avx.ptestz.256(<4 x i64> <i64 -1, i64 -1, i64 -1, i64 -1>, <4 x i64> %c)
   %t2 = icmp ne i32 %t1, 0
   %t3 = select i1 %t2, i32 %a, i32 %b
   ret i32 %t3
 }

 ;
 ; testz(X,-1) -> testz(X,X)
 ;

 define i32 @ptestz_256_allones1(<4 x i64> %c, i32 %a, i32 %b) {
 ; CHECK-LABEL: ptestz_256_allones1:
 ; CHECK:       # %bb.0:
 ; CHECK-NEXT:    movl %edi, %eax
 ; CHECK-NEXT:    vptest %ymm0, %ymm0
 ; CHECK-NEXT:    cmovnel %esi, %eax
 ; CHECK-NEXT:    vzeroupper
 ; CHECK-NEXT:    retq
   %t1 = call i32 @llvm.x86.avx.ptestz.256(<4 x i64> %c, <4 x i64> <i64 -1, i64 -1, i64 -1, i64 -1>)
   %t2 = icmp ne i32 %t1, 0
   %t3 = select i1 %t2, i32 %a, i32 %b
   ret i32 %t3
 }

 ;
 ; testz(ashr(X,bw-1),-1) -> testpd/testps/pmovmskb(X)
 ;

 define i32 @ptestz_v8i32_signbits(<8 x i32> %c, i32 %a, i32 %b) {
 ; AVX1-LABEL: ptestz_v8i32_signbits:
 ; AVX1:       # %bb.0:
 ; AVX1-NEXT:    movl %edi, %eax
 ; AVX1-NEXT:    vpsrad $31, %xmm0, %xmm1
 ; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm0
 ; AVX1-NEXT:    vpsrad $31, %xmm0, %xmm0
 ; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm1, %ymm0
 ; AVX1-NEXT:    vptest %ymm0, %ymm0
 ; AVX1-NEXT:    cmovnel %esi, %eax
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
 ; AVX2-LABEL: ptestz_v8i32_signbits:
 ; AVX2:       # %bb.0:
 ; AVX2-NEXT:    movl %edi, %eax
 ; AVX2-NEXT:    vtestps %ymm0, %ymm0
 ; AVX2-NEXT:    cmovnel %esi, %eax
 ; AVX2-NEXT:    vzeroupper
 ; AVX2-NEXT:    retq
   %t1 = ashr <8 x i32> %c, <i32 31, i32 31, i32 31, i32 31, i32 31, i32 31, i32 31, i32 31>
   %t2 = bitcast <8 x i32> %t1 to <4 x i64>
   %t3 = call i32 @llvm.x86.avx.ptestz.256(<4 x i64> %t2, <4 x i64> <i64 -1, i64 -1, i64 -1, i64 -1>)
   %t4 = icmp ne i32 %t3, 0
   %t5 = select i1 %t4, i32 %a, i32 %b
   ret i32 %t5
 }

 define i32 @ptestz_v32i8_signbits(<32 x i8> %c, i32 %a, i32 %b) {
 ; AVX1-LABEL: ptestz_v32i8_signbits:
 ; AVX1:       # %bb.0:
 ; AVX1-NEXT:    movl %edi, %eax
 ; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
 ; AVX1-NEXT:    vpxor %xmm2, %xmm2, %xmm2
 ; AVX1-NEXT:    vpcmpgtb %xmm1, %xmm2, %xmm1
 ; AVX1-NEXT:    vpcmpgtb %xmm0, %xmm2, %xmm0
 ; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
 ; AVX1-NEXT:    vptest %ymm0, %ymm0
 ; AVX1-NEXT:    cmovnel %esi, %eax
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
 ; AVX2-LABEL: ptestz_v32i8_signbits:
 ; AVX2:       # %bb.0:
 ; AVX2-NEXT:    movl %edi, %eax
 ; AVX2-NEXT:    vpmovmskb %ymm0, %ecx
 ; AVX2-NEXT:    testl %ecx, %ecx
 ; AVX2-NEXT:    cmovnel %esi, %eax
 ; AVX2-NEXT:    vzeroupper
 ; AVX2-NEXT:    retq
   %t1 = ashr <32 x i8> %c, <i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7>
   %t2 = bitcast <32 x i8> %t1 to <4 x i64>
   %t3 = call i32 @llvm.x86.avx.ptestz.256(<4 x i64> %t2, <4 x i64> <i64 -1, i64 -1, i64 -1, i64 -1>)
   %t4 = icmp ne i32 %t3, 0
   %t5 = select i1 %t4, i32 %a, i32 %b
   ret i32 %t5
 }

 ;
 ; testz(or(extract_lo(X),extract_hi(X),or(extract_lo(Y),extract_hi(Y)) -> testz(X,Y)
 ;

 ; FIXME: Foldable to ptest(xor(%0,%1),xor(%0,%1))
 define i1 @PR38788(<16 x i16> %0, <16 x i16> %1) {
 ; AVX1-LABEL: PR38788:
 ; AVX1:       # %bb.0:
 ; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm2
 ; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm3
 ; AVX1-NEXT:    vpcmpeqw %xmm2, %xmm3, %xmm2
 ; AVX1-NEXT:    vpcmpeqw %xmm1, %xmm0, %xmm0
 ; AVX1-NEXT:    vinsertf128 $1, %xmm2, %ymm0, %ymm0
 ; AVX1-NEXT:    vpxor %xmm1, %xmm1, %xmm1
 ; AVX1-NEXT:    vcmptrueps %ymm1, %ymm1, %ymm1
 ; AVX1-NEXT:    vptest %ymm1, %ymm0
 ; AVX1-NEXT:    setae %al
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
 ; AVX2-LABEL: PR38788:
 ; AVX2:       # %bb.0:
 ; AVX2-NEXT:    vpcmpeqw %ymm1, %ymm0, %ymm0
 ; AVX2-NEXT:    vpcmpeqd %ymm1, %ymm1, %ymm1
 ; AVX2-NEXT:    vptest %ymm1, %ymm0
 ; AVX2-NEXT:    setae %al
 ; AVX2-NEXT:    vzeroupper
 ; AVX2-NEXT:    retq
   %3 = icmp eq <16 x i16> %0, %1
   %4 = sext <16 x i1> %3 to <16 x i16>
   %5 = bitcast <16 x i16> %4 to <4 x i64>
   %6 = tail call i32 @llvm.x86.avx.ptestc.256(<4 x i64> %5, <4 x i64> <i64 -1, i64 -1, i64 -1, i64 -1>)
   %7 = icmp eq i32 %6, 0
   ret i1 %7
 }

 declare i32 @llvm.x86.avx.ptestz.256(<4 x i64>, <4 x i64>)
 declare i32 @llvm.x86.avx.ptestc.256(<4 x i64>, <4 x i64>)
 declare i32 @llvm.x86.avx.ptestnzc.256(<4 x i64>, <4 x i64>)
	; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
	; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx \| FileCheck %s --check-prefixes=CHECK,AVX1
	; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx2 \| FileCheck %s --check-prefixes=CHECK,AVX2

	;
	; testz(~X,Y) -> testc(X,Y)
	;

	define i32 @ptestz_256_invert0(<4 x i64> %c, <4 x i64> %d, i32 %a, i32 %b) {
	; CHECK-LABEL: ptestz_256_invert0:
	; CHECK: # %bb.0:
	; CHECK-NEXT: movl %edi, %eax
	; CHECK-NEXT: vptest %ymm1, %ymm0
	; CHECK-NEXT: cmovael %esi, %eax
	; CHECK-NEXT: vzeroupper
	; CHECK-NEXT: retq
	%t1 = xor <4 x i64> %c, <i64 -1, i64 -1, i64 -1, i64 -1>
	%t2 = call i32 @llvm.x86.avx.ptestz.256(<4 x i64> %t1, <4 x i64> %d)
	%t3 = icmp ne i32 %t2, 0
	%t4 = select i1 %t3, i32 %a, i32 %b
	ret i32 %t4
	}

	;
	; testz(X,~Y) -> testc(Y,X)
	;

	define i32 @ptestz_256_invert1(<4 x i64> %c, <4 x i64> %d, i32 %a, i32 %b) {
	; CHECK-LABEL: ptestz_256_invert1:
	; CHECK: # %bb.0:
	; CHECK-NEXT: movl %edi, %eax
	; CHECK-NEXT: vptest %ymm0, %ymm1
	; CHECK-NEXT: cmovael %esi, %eax
	; CHECK-NEXT: vzeroupper
	; CHECK-NEXT: retq
	%t1 = xor <4 x i64> %d, <i64 -1, i64 -1, i64 -1, i64 -1>
	%t2 = call i32 @llvm.x86.avx.ptestz.256(<4 x i64> %c, <4 x i64> %t1)
	%t3 = icmp ne i32 %t2, 0
	%t4 = select i1 %t3, i32 %a, i32 %b
	ret i32 %t4
	}

	;
	; testc(~X,Y) -> testz(X,Y)
	;

	define i32 @ptestc_256_invert0(<4 x i64> %c, <4 x i64> %d, i32 %a, i32 %b) {
	; CHECK-LABEL: ptestc_256_invert0:
	; CHECK: # %bb.0:
	; CHECK-NEXT: movl %edi, %eax
	; CHECK-NEXT: vptest %ymm1, %ymm0
	; CHECK-NEXT: cmovnel %esi, %eax
	; CHECK-NEXT: vzeroupper
	; CHECK-NEXT: retq
	%t1 = xor <4 x i64> %c, <i64 -1, i64 -1, i64 -1, i64 -1>
	%t2 = call i32 @llvm.x86.avx.ptestc.256(<4 x i64> %t1, <4 x i64> %d)
	%t3 = icmp ne i32 %t2, 0
	%t4 = select i1 %t3, i32 %a, i32 %b
	ret i32 %t4
	}

	;
	; testnzc(~X,Y) -> testnzc(X,Y)
	;

	define i32 @ptestnzc_256_invert0(<4 x i64> %c, <4 x i64> %d, i32 %a, i32 %b) {
	; CHECK-LABEL: ptestnzc_256_invert0:
	; CHECK: # %bb.0:
	; CHECK-NEXT: movl %edi, %eax
	; CHECK-NEXT: vptest %ymm1, %ymm0
	; CHECK-NEXT: cmovbel %esi, %eax
	; CHECK-NEXT: vzeroupper
	; CHECK-NEXT: retq
	%t1 = xor <4 x i64> %c, <i64 -1, i64 -1, i64 -1, i64 -1>
	%t2 = call i32 @llvm.x86.avx.ptestnzc.256(<4 x i64> %t1, <4 x i64> %d)
	%t3 = icmp ne i32 %t2, 0
	%t4 = select i1 %t3, i32 %a, i32 %b
	ret i32 %t4
	}

	define i32 @ptestnzc_256_invert0_commute(<4 x i64> %c, <4 x i64> %d, i32 %a, i32 %b) {
	; CHECK-LABEL: ptestnzc_256_invert0_commute:
	; CHECK: # %bb.0:
	; CHECK-NEXT: movl %edi, %eax
	; CHECK-NEXT: vptest %ymm1, %ymm0
	; CHECK-NEXT: cmoval %esi, %eax
	; CHECK-NEXT: vzeroupper
	; CHECK-NEXT: retq
	%t1 = xor <4 x i64> %c, <i64 -1, i64 -1, i64 -1, i64 -1>
	%t2 = call i32 @llvm.x86.avx.ptestnzc.256(<4 x i64> %t1, <4 x i64> %d)
	%t3 = icmp eq i32 %t2, 0
	%t4 = select i1 %t3, i32 %a, i32 %b
	ret i32 %t4
	}

	;
	; testc(X,~X) -> testc(X,-1)
	;

	define i32 @ptestc_256_not(<4 x i64> %c, <4 x i64> %d, i32 %a, i32 %b) {
	; AVX1-LABEL: ptestc_256_not:
	; AVX1: # %bb.0:
	; AVX1-NEXT: movl %edi, %eax
	; AVX1-NEXT: vxorps %xmm1, %xmm1, %xmm1
	; AVX1-NEXT: vcmptrueps %ymm1, %ymm1, %ymm1
	; AVX1-NEXT: vptest %ymm1, %ymm0
	; AVX1-NEXT: cmovael %esi, %eax
	; AVX1-NEXT: vzeroupper
	; AVX1-NEXT: retq
	;
	; AVX2-LABEL: ptestc_256_not:
	; AVX2: # %bb.0:
	; AVX2-NEXT: movl %edi, %eax
	; AVX2-NEXT: vpcmpeqd %ymm1, %ymm1, %ymm1
	; AVX2-NEXT: vptest %ymm1, %ymm0
	; AVX2-NEXT: cmovael %esi, %eax
	; AVX2-NEXT: vzeroupper
	; AVX2-NEXT: retq
	%t1 = xor <4 x i64> %c, <i64 -1, i64 -1, i64 -1, i64 -1>
	%t2 = call i32 @llvm.x86.avx.ptestc.256(<4 x i64> %c, <4 x i64> %t1)
	%t3 = icmp ne i32 %t2, 0
	%t4 = select i1 %t3, i32 %a, i32 %b
	ret i32 %t4
	}

	;
	; testz(AND(X,Y),AND(X,Y)) -> testz(X,Y)
	;

	define i32 @ptestz_256_and(<4 x i64> %c, <4 x i64> %d, i32 %a, i32 %b) {
	; CHECK-LABEL: ptestz_256_and:
	; CHECK: # %bb.0:
	; CHECK-NEXT: movl %edi, %eax
	; CHECK-NEXT: vptest %ymm1, %ymm0
	; CHECK-NEXT: cmovel %esi, %eax
	; CHECK-NEXT: vzeroupper
	; CHECK-NEXT: retq
	%t1 = and <4 x i64> %c, %d
	%t2 = call i32 @llvm.x86.avx.ptestz.256(<4 x i64> %t1, <4 x i64> %t1)
	%t3 = icmp eq i32 %t2, 0
	%t4 = select i1 %t3, i32 %a, i32 %b
	ret i32 %t4
	}

	;
	; testz(AND(~X,Y),AND(~X,Y)) -> testc(X,Y)
	;

	define i32 @ptestz_256_andc(<4 x i64> %c, <4 x i64> %d, i32 %a, i32 %b) {
	; CHECK-LABEL: ptestz_256_andc:
	; CHECK: # %bb.0:
	; CHECK-NEXT: movl %edi, %eax
	; CHECK-NEXT: vptest %ymm1, %ymm0
	; CHECK-NEXT: cmovbl %esi, %eax
	; CHECK-NEXT: vzeroupper
	; CHECK-NEXT: retq
	%t1 = xor <4 x i64> %c, <i64 -1, i64 -1, i64 -1, i64 -1>
	%t2 = and <4 x i64> %t1, %d
	%t3 = call i32 @llvm.x86.avx.ptestz.256(<4 x i64> %t2, <4 x i64> %t2)
	%t4 = icmp eq i32 %t3, 0
	%t5 = select i1 %t4, i32 %a, i32 %b
	ret i32 %t5
	}

	;
	; testz(-1,X) -> testz(X,X)
	;

	define i32 @ptestz_256_allones0(<4 x i64> %c, i32 %a, i32 %b) {
	; CHECK-LABEL: ptestz_256_allones0:
	; CHECK: # %bb.0:
	; CHECK-NEXT: movl %edi, %eax
	; CHECK-NEXT: vptest %ymm0, %ymm0
	; CHECK-NEXT: cmovnel %esi, %eax
	; CHECK-NEXT: vzeroupper
	; CHECK-NEXT: retq
	%t1 = call i32 @llvm.x86.avx.ptestz.256(<4 x i64> <i64 -1, i64 -1, i64 -1, i64 -1>, <4 x i64> %c)
	%t2 = icmp ne i32 %t1, 0
	%t3 = select i1 %t2, i32 %a, i32 %b
	ret i32 %t3
	}

	;
	; testz(X,-1) -> testz(X,X)
	;

	define i32 @ptestz_256_allones1(<4 x i64> %c, i32 %a, i32 %b) {
	; CHECK-LABEL: ptestz_256_allones1:
	; CHECK: # %bb.0:
	; CHECK-NEXT: movl %edi, %eax
	; CHECK-NEXT: vptest %ymm0, %ymm0
	; CHECK-NEXT: cmovnel %esi, %eax
	; CHECK-NEXT: vzeroupper
	; CHECK-NEXT: retq
	%t1 = call i32 @llvm.x86.avx.ptestz.256(<4 x i64> %c, <4 x i64> <i64 -1, i64 -1, i64 -1, i64 -1>)
	%t2 = icmp ne i32 %t1, 0
	%t3 = select i1 %t2, i32 %a, i32 %b
	ret i32 %t3
	}

	;
	; testz(ashr(X,bw-1),-1) -> testpd/testps/pmovmskb(X)
	;

	define i32 @ptestz_v8i32_signbits(<8 x i32> %c, i32 %a, i32 %b) {
	; AVX1-LABEL: ptestz_v8i32_signbits:
	; AVX1: # %bb.0:
	; AVX1-NEXT: movl %edi, %eax
	; AVX1-NEXT: vpsrad $31, %xmm0, %xmm1
	; AVX1-NEXT: vextractf128 $1, %ymm0, %xmm0
	; AVX1-NEXT: vpsrad $31, %xmm0, %xmm0
	; AVX1-NEXT: vinsertf128 $1, %xmm0, %ymm1, %ymm0
	; AVX1-NEXT: vptest %ymm0, %ymm0
	; AVX1-NEXT: cmovnel %esi, %eax
	; AVX1-NEXT: vzeroupper
	; AVX1-NEXT: retq
	;
	; AVX2-LABEL: ptestz_v8i32_signbits:
	; AVX2: # %bb.0:
	; AVX2-NEXT: movl %edi, %eax
	; AVX2-NEXT: vtestps %ymm0, %ymm0
	; AVX2-NEXT: cmovnel %esi, %eax
	; AVX2-NEXT: vzeroupper
	; AVX2-NEXT: retq
	%t1 = ashr <8 x i32> %c, <i32 31, i32 31, i32 31, i32 31, i32 31, i32 31, i32 31, i32 31>
	%t2 = bitcast <8 x i32> %t1 to <4 x i64>
	%t3 = call i32 @llvm.x86.avx.ptestz.256(<4 x i64> %t2, <4 x i64> <i64 -1, i64 -1, i64 -1, i64 -1>)
	%t4 = icmp ne i32 %t3, 0
	%t5 = select i1 %t4, i32 %a, i32 %b
	ret i32 %t5
	}

	define i32 @ptestz_v32i8_signbits(<32 x i8> %c, i32 %a, i32 %b) {
	; AVX1-LABEL: ptestz_v32i8_signbits:
	; AVX1: # %bb.0:
	; AVX1-NEXT: movl %edi, %eax
	; AVX1-NEXT: vextractf128 $1, %ymm0, %xmm1
	; AVX1-NEXT: vpxor %xmm2, %xmm2, %xmm2
	; AVX1-NEXT: vpcmpgtb %xmm1, %xmm2, %xmm1
	; AVX1-NEXT: vpcmpgtb %xmm0, %xmm2, %xmm0
	; AVX1-NEXT: vinsertf128 $1, %xmm1, %ymm0, %ymm0
	; AVX1-NEXT: vptest %ymm0, %ymm0
	; AVX1-NEXT: cmovnel %esi, %eax
	; AVX1-NEXT: vzeroupper
	; AVX1-NEXT: retq
	;
	; AVX2-LABEL: ptestz_v32i8_signbits:
	; AVX2: # %bb.0:
	; AVX2-NEXT: movl %edi, %eax
	; AVX2-NEXT: vpmovmskb %ymm0, %ecx
	; AVX2-NEXT: testl %ecx, %ecx
	; AVX2-NEXT: cmovnel %esi, %eax
	; AVX2-NEXT: vzeroupper
	; AVX2-NEXT: retq
	%t1 = ashr <32 x i8> %c, <i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7>
	%t2 = bitcast <32 x i8> %t1 to <4 x i64>
	%t3 = call i32 @llvm.x86.avx.ptestz.256(<4 x i64> %t2, <4 x i64> <i64 -1, i64 -1, i64 -1, i64 -1>)
	%t4 = icmp ne i32 %t3, 0
	%t5 = select i1 %t4, i32 %a, i32 %b
	ret i32 %t5
	}

	;
	; testz(or(extract_lo(X),extract_hi(X),or(extract_lo(Y),extract_hi(Y)) -> testz(X,Y)
	;

	; FIXME: Foldable to ptest(xor(%0,%1),xor(%0,%1))
	define i1 @PR38788(<16 x i16> %0, <16 x i16> %1) {
	; AVX1-LABEL: PR38788:
	; AVX1: # %bb.0:
	; AVX1-NEXT: vextractf128 $1, %ymm1, %xmm2
	; AVX1-NEXT: vextractf128 $1, %ymm0, %xmm3
	; AVX1-NEXT: vpcmpeqw %xmm2, %xmm3, %xmm2
	; AVX1-NEXT: vpcmpeqw %xmm1, %xmm0, %xmm0
	; AVX1-NEXT: vinsertf128 $1, %xmm2, %ymm0, %ymm0
	; AVX1-NEXT: vpxor %xmm1, %xmm1, %xmm1
	; AVX1-NEXT: vcmptrueps %ymm1, %ymm1, %ymm1
	; AVX1-NEXT: vptest %ymm1, %ymm0
	; AVX1-NEXT: setae %al
	; AVX1-NEXT: vzeroupper
	; AVX1-NEXT: retq
	;
	; AVX2-LABEL: PR38788:
	; AVX2: # %bb.0:
	; AVX2-NEXT: vpcmpeqw %ymm1, %ymm0, %ymm0
	; AVX2-NEXT: vpcmpeqd %ymm1, %ymm1, %ymm1
	; AVX2-NEXT: vptest %ymm1, %ymm0
	; AVX2-NEXT: setae %al
	; AVX2-NEXT: vzeroupper
	; AVX2-NEXT: retq
	%3 = icmp eq <16 x i16> %0, %1
	%4 = sext <16 x i1> %3 to <16 x i16>
	%5 = bitcast <16 x i16> %4 to <4 x i64>
	%6 = tail call i32 @llvm.x86.avx.ptestc.256(<4 x i64> %5, <4 x i64> <i64 -1, i64 -1, i64 -1, i64 -1>)
	%7 = icmp eq i32 %6, 0
	ret i1 %7
	}

	declare i32 @llvm.x86.avx.ptestz.256(<4 x i64>, <4 x i64>)
	declare i32 @llvm.x86.avx.ptestc.256(<4 x i64>, <4 x i64>)
	declare i32 @llvm.x86.avx.ptestnzc.256(<4 x i64>, <4 x i64>)