[llvm] ddaf1d6 - [X86] Add GFNI test coverage for vXi8 LZCNT/TZCNT

Simon Pilgrim via llvm-commits llvm-commits at lists.llvm.org
Thu Nov 28 05:54:38 PST 2024


Author: Simon Pilgrim
Date: 2024-11-28T13:43:14Z
New Revision: ddaf1d68784a03fd3d476e25689f25ba9c5f961a

URL: https://github.com/llvm/llvm-project/commit/ddaf1d68784a03fd3d476e25689f25ba9c5f961a
DIFF: https://github.com/llvm/llvm-project/commit/ddaf1d68784a03fd3d476e25689f25ba9c5f961a.diff

LOG: [X86] Add GFNI test coverage for vXi8 LZCNT/TZCNT

Added: 
    llvm/test/CodeGen/X86/gfni-lzcnt.ll
    llvm/test/CodeGen/X86/gfni-tzcnt.ll

Modified: 
    

Removed: 
    


################################################################################
diff  --git a/llvm/test/CodeGen/X86/gfni-lzcnt.ll b/llvm/test/CodeGen/X86/gfni-lzcnt.ll
new file mode 100644
index 00000000000000..e84af84b36aa9e
--- /dev/null
+++ b/llvm/test/CodeGen/X86/gfni-lzcnt.ll
@@ -0,0 +1,510 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse4.2,+gfni | FileCheck %s --check-prefixes=GFNISSE
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx,+gfni | FileCheck %s --check-prefixes=GFNIAVX,GFNIAVX1OR2,GFNIAVX1
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx2,+gfni | FileCheck %s --check-prefixes=GFNIAVX,GFNIAVX1OR2,GFNIAVX2
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512vl,+gfni | FileCheck %s --check-prefixes=GFNIAVX,GFNIAVX512,GFNIAVX512VL
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512bw,+avx512vl,+gfni | FileCheck %s --check-prefixes=GFNIAVX,GFNIAVX512,GFNIAVX512BW
+
+define <16 x i8> @testv16i8(<16 x i8> %in) nounwind {
+; GFNISSE-LABEL: testv16i8:
+; GFNISSE:       # %bb.0:
+; GFNISSE-NEXT:    movq {{.*#+}} xmm1 = [4,3,2,2,1,1,1,1,0,0,0,0,0,0,0,0]
+; GFNISSE-NEXT:    movdqa %xmm1, %xmm2
+; GFNISSE-NEXT:    pshufb %xmm0, %xmm2
+; GFNISSE-NEXT:    gf2p8affineqb $0, {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
+; GFNISSE-NEXT:    pxor %xmm3, %xmm3
+; GFNISSE-NEXT:    pcmpeqb %xmm0, %xmm3
+; GFNISSE-NEXT:    pand %xmm2, %xmm3
+; GFNISSE-NEXT:    pshufb %xmm0, %xmm1
+; GFNISSE-NEXT:    paddb %xmm3, %xmm1
+; GFNISSE-NEXT:    movdqa %xmm1, %xmm0
+; GFNISSE-NEXT:    retq
+;
+; GFNIAVX1OR2-LABEL: testv16i8:
+; GFNIAVX1OR2:       # %bb.0:
+; GFNIAVX1OR2-NEXT:    vmovq {{.*#+}} xmm1 = [4,3,2,2,1,1,1,1,0,0,0,0,0,0,0,0]
+; GFNIAVX1OR2-NEXT:    vpshufb %xmm0, %xmm1, %xmm2
+; GFNIAVX1OR2-NEXT:    vgf2p8affineqb $0, {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
+; GFNIAVX1OR2-NEXT:    vpxor %xmm3, %xmm3, %xmm3
+; GFNIAVX1OR2-NEXT:    vpcmpeqb %xmm3, %xmm0, %xmm3
+; GFNIAVX1OR2-NEXT:    vpand %xmm3, %xmm2, %xmm2
+; GFNIAVX1OR2-NEXT:    vpshufb %xmm0, %xmm1, %xmm0
+; GFNIAVX1OR2-NEXT:    vpaddb %xmm0, %xmm2, %xmm0
+; GFNIAVX1OR2-NEXT:    retq
+;
+; GFNIAVX512-LABEL: testv16i8:
+; GFNIAVX512:       # %bb.0:
+; GFNIAVX512-NEXT:    vmovq {{.*#+}} xmm1 = [4,3,2,2,1,1,1,1,0,0,0,0,0,0,0,0]
+; GFNIAVX512-NEXT:    vpshufb %xmm0, %xmm1, %xmm2
+; GFNIAVX512-NEXT:    vgf2p8affineqb $0, {{\.?LCPI[0-9]+_[0-9]+}}(%rip){1to2}, %xmm0, %xmm0
+; GFNIAVX512-NEXT:    vpxor %xmm3, %xmm3, %xmm3
+; GFNIAVX512-NEXT:    vpcmpeqb %xmm3, %xmm0, %xmm3
+; GFNIAVX512-NEXT:    vpand %xmm3, %xmm2, %xmm2
+; GFNIAVX512-NEXT:    vpshufb %xmm0, %xmm1, %xmm0
+; GFNIAVX512-NEXT:    vpaddb %xmm0, %xmm2, %xmm0
+; GFNIAVX512-NEXT:    retq
+  %out = call <16 x i8> @llvm.ctlz.v16i8(<16 x i8> %in, i1 0)
+  ret <16 x i8> %out
+}
+
+define <16 x i8> @testv16i8u(<16 x i8> %in) nounwind {
+; GFNISSE-LABEL: testv16i8u:
+; GFNISSE:       # %bb.0:
+; GFNISSE-NEXT:    movq {{.*#+}} xmm1 = [4,3,2,2,1,1,1,1,0,0,0,0,0,0,0,0]
+; GFNISSE-NEXT:    movdqa %xmm1, %xmm2
+; GFNISSE-NEXT:    pshufb %xmm0, %xmm2
+; GFNISSE-NEXT:    gf2p8affineqb $0, {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
+; GFNISSE-NEXT:    pxor %xmm3, %xmm3
+; GFNISSE-NEXT:    pcmpeqb %xmm0, %xmm3
+; GFNISSE-NEXT:    pand %xmm2, %xmm3
+; GFNISSE-NEXT:    pshufb %xmm0, %xmm1
+; GFNISSE-NEXT:    paddb %xmm3, %xmm1
+; GFNISSE-NEXT:    movdqa %xmm1, %xmm0
+; GFNISSE-NEXT:    retq
+;
+; GFNIAVX1OR2-LABEL: testv16i8u:
+; GFNIAVX1OR2:       # %bb.0:
+; GFNIAVX1OR2-NEXT:    vmovq {{.*#+}} xmm1 = [4,3,2,2,1,1,1,1,0,0,0,0,0,0,0,0]
+; GFNIAVX1OR2-NEXT:    vpshufb %xmm0, %xmm1, %xmm2
+; GFNIAVX1OR2-NEXT:    vgf2p8affineqb $0, {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
+; GFNIAVX1OR2-NEXT:    vpxor %xmm3, %xmm3, %xmm3
+; GFNIAVX1OR2-NEXT:    vpcmpeqb %xmm3, %xmm0, %xmm3
+; GFNIAVX1OR2-NEXT:    vpand %xmm3, %xmm2, %xmm2
+; GFNIAVX1OR2-NEXT:    vpshufb %xmm0, %xmm1, %xmm0
+; GFNIAVX1OR2-NEXT:    vpaddb %xmm0, %xmm2, %xmm0
+; GFNIAVX1OR2-NEXT:    retq
+;
+; GFNIAVX512-LABEL: testv16i8u:
+; GFNIAVX512:       # %bb.0:
+; GFNIAVX512-NEXT:    vmovq {{.*#+}} xmm1 = [4,3,2,2,1,1,1,1,0,0,0,0,0,0,0,0]
+; GFNIAVX512-NEXT:    vpshufb %xmm0, %xmm1, %xmm2
+; GFNIAVX512-NEXT:    vgf2p8affineqb $0, {{\.?LCPI[0-9]+_[0-9]+}}(%rip){1to2}, %xmm0, %xmm0
+; GFNIAVX512-NEXT:    vpxor %xmm3, %xmm3, %xmm3
+; GFNIAVX512-NEXT:    vpcmpeqb %xmm3, %xmm0, %xmm3
+; GFNIAVX512-NEXT:    vpand %xmm3, %xmm2, %xmm2
+; GFNIAVX512-NEXT:    vpshufb %xmm0, %xmm1, %xmm0
+; GFNIAVX512-NEXT:    vpaddb %xmm0, %xmm2, %xmm0
+; GFNIAVX512-NEXT:    retq
+  %out = call <16 x i8> @llvm.ctlz.v16i8(<16 x i8> %in, i1 -1)
+  ret <16 x i8> %out
+}
+
+define <32 x i8> @testv32i8(<32 x i8> %in) nounwind {
+; GFNISSE-LABEL: testv32i8:
+; GFNISSE:       # %bb.0:
+; GFNISSE-NEXT:    movq {{.*#+}} xmm2 = [4,3,2,2,1,1,1,1,0,0,0,0,0,0,0,0]
+; GFNISSE-NEXT:    movdqa %xmm2, %xmm3
+; GFNISSE-NEXT:    pshufb %xmm0, %xmm3
+; GFNISSE-NEXT:    movdqa {{.*#+}} xmm4 = [0,0,0,0,128,64,32,16,0,0,0,0,128,64,32,16]
+; GFNISSE-NEXT:    gf2p8affineqb $0, %xmm4, %xmm0
+; GFNISSE-NEXT:    pxor %xmm5, %xmm5
+; GFNISSE-NEXT:    movdqa %xmm2, %xmm6
+; GFNISSE-NEXT:    pshufb %xmm0, %xmm6
+; GFNISSE-NEXT:    pcmpeqb %xmm5, %xmm0
+; GFNISSE-NEXT:    pand %xmm3, %xmm0
+; GFNISSE-NEXT:    paddb %xmm6, %xmm0
+; GFNISSE-NEXT:    movdqa %xmm2, %xmm3
+; GFNISSE-NEXT:    pshufb %xmm1, %xmm3
+; GFNISSE-NEXT:    gf2p8affineqb $0, %xmm4, %xmm1
+; GFNISSE-NEXT:    pcmpeqb %xmm1, %xmm5
+; GFNISSE-NEXT:    pand %xmm3, %xmm5
+; GFNISSE-NEXT:    pshufb %xmm1, %xmm2
+; GFNISSE-NEXT:    paddb %xmm5, %xmm2
+; GFNISSE-NEXT:    movdqa %xmm2, %xmm1
+; GFNISSE-NEXT:    retq
+;
+; GFNIAVX1-LABEL: testv32i8:
+; GFNIAVX1:       # %bb.0:
+; GFNIAVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; GFNIAVX1-NEXT:    vmovq {{.*#+}} xmm2 = [4,3,2,2,1,1,1,1,0,0,0,0,0,0,0,0]
+; GFNIAVX1-NEXT:    vpshufb %xmm1, %xmm2, %xmm3
+; GFNIAVX1-NEXT:    vmovddup {{.*#+}} xmm4 = [0,0,0,0,128,64,32,16,0,0,0,0,128,64,32,16]
+; GFNIAVX1-NEXT:    # xmm4 = mem[0,0]
+; GFNIAVX1-NEXT:    vgf2p8affineqb $0, %xmm4, %xmm1, %xmm1
+; GFNIAVX1-NEXT:    vpxor %xmm5, %xmm5, %xmm5
+; GFNIAVX1-NEXT:    vpcmpeqb %xmm5, %xmm1, %xmm6
+; GFNIAVX1-NEXT:    vpand %xmm6, %xmm3, %xmm3
+; GFNIAVX1-NEXT:    vpshufb %xmm1, %xmm2, %xmm1
+; GFNIAVX1-NEXT:    vpaddb %xmm1, %xmm3, %xmm1
+; GFNIAVX1-NEXT:    vpshufb %xmm0, %xmm2, %xmm3
+; GFNIAVX1-NEXT:    vgf2p8affineqb $0, %xmm4, %xmm0, %xmm0
+; GFNIAVX1-NEXT:    vpcmpeqb %xmm5, %xmm0, %xmm4
+; GFNIAVX1-NEXT:    vpand %xmm4, %xmm3, %xmm3
+; GFNIAVX1-NEXT:    vpshufb %xmm0, %xmm2, %xmm0
+; GFNIAVX1-NEXT:    vpaddb %xmm0, %xmm3, %xmm0
+; GFNIAVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; GFNIAVX1-NEXT:    retq
+;
+; GFNIAVX2-LABEL: testv32i8:
+; GFNIAVX2:       # %bb.0:
+; GFNIAVX2-NEXT:    vbroadcasti128 {{.*#+}} ymm1 = [4,3,2,2,1,1,1,1,0,0,0,0,0,0,0,0,4,3,2,2,1,1,1,1,0,0,0,0,0,0,0,0]
+; GFNIAVX2-NEXT:    # ymm1 = mem[0,1,0,1]
+; GFNIAVX2-NEXT:    vpshufb %ymm0, %ymm1, %ymm2
+; GFNIAVX2-NEXT:    vgf2p8affineqb $0, {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm0, %ymm0
+; GFNIAVX2-NEXT:    vpxor %xmm3, %xmm3, %xmm3
+; GFNIAVX2-NEXT:    vpcmpeqb %ymm3, %ymm0, %ymm3
+; GFNIAVX2-NEXT:    vpand %ymm3, %ymm2, %ymm2
+; GFNIAVX2-NEXT:    vpshufb %ymm0, %ymm1, %ymm0
+; GFNIAVX2-NEXT:    vpaddb %ymm0, %ymm2, %ymm0
+; GFNIAVX2-NEXT:    retq
+;
+; GFNIAVX512-LABEL: testv32i8:
+; GFNIAVX512:       # %bb.0:
+; GFNIAVX512-NEXT:    vbroadcasti128 {{.*#+}} ymm1 = [4,3,2,2,1,1,1,1,0,0,0,0,0,0,0,0,4,3,2,2,1,1,1,1,0,0,0,0,0,0,0,0]
+; GFNIAVX512-NEXT:    # ymm1 = mem[0,1,0,1]
+; GFNIAVX512-NEXT:    vpshufb %ymm0, %ymm1, %ymm2
+; GFNIAVX512-NEXT:    vgf2p8affineqb $0, {{\.?LCPI[0-9]+_[0-9]+}}(%rip){1to4}, %ymm0, %ymm0
+; GFNIAVX512-NEXT:    vpxor %xmm3, %xmm3, %xmm3
+; GFNIAVX512-NEXT:    vpcmpeqb %ymm3, %ymm0, %ymm3
+; GFNIAVX512-NEXT:    vpand %ymm3, %ymm2, %ymm2
+; GFNIAVX512-NEXT:    vpshufb %ymm0, %ymm1, %ymm0
+; GFNIAVX512-NEXT:    vpaddb %ymm0, %ymm2, %ymm0
+; GFNIAVX512-NEXT:    retq
+  %out = call <32 x i8> @llvm.ctlz.v32i8(<32 x i8> %in, i1 0)
+  ret <32 x i8> %out
+}
+
+define <32 x i8> @testv32i8u(<32 x i8> %in) nounwind {
+; GFNISSE-LABEL: testv32i8u:
+; GFNISSE:       # %bb.0:
+; GFNISSE-NEXT:    movq {{.*#+}} xmm2 = [4,3,2,2,1,1,1,1,0,0,0,0,0,0,0,0]
+; GFNISSE-NEXT:    movdqa %xmm2, %xmm3
+; GFNISSE-NEXT:    pshufb %xmm0, %xmm3
+; GFNISSE-NEXT:    movdqa {{.*#+}} xmm4 = [0,0,0,0,128,64,32,16,0,0,0,0,128,64,32,16]
+; GFNISSE-NEXT:    gf2p8affineqb $0, %xmm4, %xmm0
+; GFNISSE-NEXT:    pxor %xmm5, %xmm5
+; GFNISSE-NEXT:    movdqa %xmm2, %xmm6
+; GFNISSE-NEXT:    pshufb %xmm0, %xmm6
+; GFNISSE-NEXT:    pcmpeqb %xmm5, %xmm0
+; GFNISSE-NEXT:    pand %xmm3, %xmm0
+; GFNISSE-NEXT:    paddb %xmm6, %xmm0
+; GFNISSE-NEXT:    movdqa %xmm2, %xmm3
+; GFNISSE-NEXT:    pshufb %xmm1, %xmm3
+; GFNISSE-NEXT:    gf2p8affineqb $0, %xmm4, %xmm1
+; GFNISSE-NEXT:    pcmpeqb %xmm1, %xmm5
+; GFNISSE-NEXT:    pand %xmm3, %xmm5
+; GFNISSE-NEXT:    pshufb %xmm1, %xmm2
+; GFNISSE-NEXT:    paddb %xmm5, %xmm2
+; GFNISSE-NEXT:    movdqa %xmm2, %xmm1
+; GFNISSE-NEXT:    retq
+;
+; GFNIAVX1-LABEL: testv32i8u:
+; GFNIAVX1:       # %bb.0:
+; GFNIAVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; GFNIAVX1-NEXT:    vmovq {{.*#+}} xmm2 = [4,3,2,2,1,1,1,1,0,0,0,0,0,0,0,0]
+; GFNIAVX1-NEXT:    vpshufb %xmm1, %xmm2, %xmm3
+; GFNIAVX1-NEXT:    vmovddup {{.*#+}} xmm4 = [0,0,0,0,128,64,32,16,0,0,0,0,128,64,32,16]
+; GFNIAVX1-NEXT:    # xmm4 = mem[0,0]
+; GFNIAVX1-NEXT:    vgf2p8affineqb $0, %xmm4, %xmm1, %xmm1
+; GFNIAVX1-NEXT:    vpxor %xmm5, %xmm5, %xmm5
+; GFNIAVX1-NEXT:    vpcmpeqb %xmm5, %xmm1, %xmm6
+; GFNIAVX1-NEXT:    vpand %xmm6, %xmm3, %xmm3
+; GFNIAVX1-NEXT:    vpshufb %xmm1, %xmm2, %xmm1
+; GFNIAVX1-NEXT:    vpaddb %xmm1, %xmm3, %xmm1
+; GFNIAVX1-NEXT:    vpshufb %xmm0, %xmm2, %xmm3
+; GFNIAVX1-NEXT:    vgf2p8affineqb $0, %xmm4, %xmm0, %xmm0
+; GFNIAVX1-NEXT:    vpcmpeqb %xmm5, %xmm0, %xmm4
+; GFNIAVX1-NEXT:    vpand %xmm4, %xmm3, %xmm3
+; GFNIAVX1-NEXT:    vpshufb %xmm0, %xmm2, %xmm0
+; GFNIAVX1-NEXT:    vpaddb %xmm0, %xmm3, %xmm0
+; GFNIAVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; GFNIAVX1-NEXT:    retq
+;
+; GFNIAVX2-LABEL: testv32i8u:
+; GFNIAVX2:       # %bb.0:
+; GFNIAVX2-NEXT:    vbroadcasti128 {{.*#+}} ymm1 = [4,3,2,2,1,1,1,1,0,0,0,0,0,0,0,0,4,3,2,2,1,1,1,1,0,0,0,0,0,0,0,0]
+; GFNIAVX2-NEXT:    # ymm1 = mem[0,1,0,1]
+; GFNIAVX2-NEXT:    vpshufb %ymm0, %ymm1, %ymm2
+; GFNIAVX2-NEXT:    vgf2p8affineqb $0, {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm0, %ymm0
+; GFNIAVX2-NEXT:    vpxor %xmm3, %xmm3, %xmm3
+; GFNIAVX2-NEXT:    vpcmpeqb %ymm3, %ymm0, %ymm3
+; GFNIAVX2-NEXT:    vpand %ymm3, %ymm2, %ymm2
+; GFNIAVX2-NEXT:    vpshufb %ymm0, %ymm1, %ymm0
+; GFNIAVX2-NEXT:    vpaddb %ymm0, %ymm2, %ymm0
+; GFNIAVX2-NEXT:    retq
+;
+; GFNIAVX512-LABEL: testv32i8u:
+; GFNIAVX512:       # %bb.0:
+; GFNIAVX512-NEXT:    vbroadcasti128 {{.*#+}} ymm1 = [4,3,2,2,1,1,1,1,0,0,0,0,0,0,0,0,4,3,2,2,1,1,1,1,0,0,0,0,0,0,0,0]
+; GFNIAVX512-NEXT:    # ymm1 = mem[0,1,0,1]
+; GFNIAVX512-NEXT:    vpshufb %ymm0, %ymm1, %ymm2
+; GFNIAVX512-NEXT:    vgf2p8affineqb $0, {{\.?LCPI[0-9]+_[0-9]+}}(%rip){1to4}, %ymm0, %ymm0
+; GFNIAVX512-NEXT:    vpxor %xmm3, %xmm3, %xmm3
+; GFNIAVX512-NEXT:    vpcmpeqb %ymm3, %ymm0, %ymm3
+; GFNIAVX512-NEXT:    vpand %ymm3, %ymm2, %ymm2
+; GFNIAVX512-NEXT:    vpshufb %ymm0, %ymm1, %ymm0
+; GFNIAVX512-NEXT:    vpaddb %ymm0, %ymm2, %ymm0
+; GFNIAVX512-NEXT:    retq
+  %out = call <32 x i8> @llvm.ctlz.v32i8(<32 x i8> %in, i1 -1)
+  ret <32 x i8> %out
+}
+
+define <64 x i8> @testv64i8(<64 x i8> %in) nounwind {
+; GFNISSE-LABEL: testv64i8:
+; GFNISSE:       # %bb.0:
+; GFNISSE-NEXT:    movdqa %xmm3, %xmm4
+; GFNISSE-NEXT:    movq {{.*#+}} xmm3 = [4,3,2,2,1,1,1,1,0,0,0,0,0,0,0,0]
+; GFNISSE-NEXT:    movdqa %xmm3, %xmm7
+; GFNISSE-NEXT:    pshufb %xmm0, %xmm7
+; GFNISSE-NEXT:    movdqa {{.*#+}} xmm6 = [0,0,0,0,128,64,32,16,0,0,0,0,128,64,32,16]
+; GFNISSE-NEXT:    gf2p8affineqb $0, %xmm6, %xmm0
+; GFNISSE-NEXT:    pxor %xmm5, %xmm5
+; GFNISSE-NEXT:    movdqa %xmm3, %xmm8
+; GFNISSE-NEXT:    pshufb %xmm0, %xmm8
+; GFNISSE-NEXT:    pcmpeqb %xmm5, %xmm0
+; GFNISSE-NEXT:    pand %xmm7, %xmm0
+; GFNISSE-NEXT:    paddb %xmm8, %xmm0
+; GFNISSE-NEXT:    movdqa %xmm3, %xmm7
+; GFNISSE-NEXT:    pshufb %xmm1, %xmm7
+; GFNISSE-NEXT:    gf2p8affineqb $0, %xmm6, %xmm1
+; GFNISSE-NEXT:    movdqa %xmm3, %xmm8
+; GFNISSE-NEXT:    pshufb %xmm1, %xmm8
+; GFNISSE-NEXT:    pcmpeqb %xmm5, %xmm1
+; GFNISSE-NEXT:    pand %xmm7, %xmm1
+; GFNISSE-NEXT:    paddb %xmm8, %xmm1
+; GFNISSE-NEXT:    movdqa %xmm3, %xmm7
+; GFNISSE-NEXT:    pshufb %xmm2, %xmm7
+; GFNISSE-NEXT:    gf2p8affineqb $0, %xmm6, %xmm2
+; GFNISSE-NEXT:    movdqa %xmm3, %xmm8
+; GFNISSE-NEXT:    pshufb %xmm2, %xmm8
+; GFNISSE-NEXT:    pcmpeqb %xmm5, %xmm2
+; GFNISSE-NEXT:    pand %xmm7, %xmm2
+; GFNISSE-NEXT:    paddb %xmm8, %xmm2
+; GFNISSE-NEXT:    movdqa %xmm3, %xmm7
+; GFNISSE-NEXT:    pshufb %xmm4, %xmm7
+; GFNISSE-NEXT:    gf2p8affineqb $0, %xmm6, %xmm4
+; GFNISSE-NEXT:    pcmpeqb %xmm4, %xmm5
+; GFNISSE-NEXT:    pand %xmm7, %xmm5
+; GFNISSE-NEXT:    pshufb %xmm4, %xmm3
+; GFNISSE-NEXT:    paddb %xmm5, %xmm3
+; GFNISSE-NEXT:    retq
+;
+; GFNIAVX1-LABEL: testv64i8:
+; GFNIAVX1:       # %bb.0:
+; GFNIAVX1-NEXT:    vextractf128 $1, %ymm0, %xmm2
+; GFNIAVX1-NEXT:    vmovq {{.*#+}} xmm3 = [4,3,2,2,1,1,1,1,0,0,0,0,0,0,0,0]
+; GFNIAVX1-NEXT:    vpshufb %xmm2, %xmm3, %xmm4
+; GFNIAVX1-NEXT:    vmovddup {{.*#+}} xmm5 = [0,0,0,0,128,64,32,16,0,0,0,0,128,64,32,16]
+; GFNIAVX1-NEXT:    # xmm5 = mem[0,0]
+; GFNIAVX1-NEXT:    vgf2p8affineqb $0, %xmm5, %xmm2, %xmm2
+; GFNIAVX1-NEXT:    vpxor %xmm6, %xmm6, %xmm6
+; GFNIAVX1-NEXT:    vpcmpeqb %xmm6, %xmm2, %xmm7
+; GFNIAVX1-NEXT:    vpand %xmm7, %xmm4, %xmm4
+; GFNIAVX1-NEXT:    vpshufb %xmm2, %xmm3, %xmm2
+; GFNIAVX1-NEXT:    vpaddb %xmm2, %xmm4, %xmm2
+; GFNIAVX1-NEXT:    vpshufb %xmm0, %xmm3, %xmm4
+; GFNIAVX1-NEXT:    vgf2p8affineqb $0, %xmm5, %xmm0, %xmm0
+; GFNIAVX1-NEXT:    vpcmpeqb %xmm6, %xmm0, %xmm7
+; GFNIAVX1-NEXT:    vpand %xmm7, %xmm4, %xmm4
+; GFNIAVX1-NEXT:    vpshufb %xmm0, %xmm3, %xmm0
+; GFNIAVX1-NEXT:    vpaddb %xmm0, %xmm4, %xmm0
+; GFNIAVX1-NEXT:    vinsertf128 $1, %xmm2, %ymm0, %ymm0
+; GFNIAVX1-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; GFNIAVX1-NEXT:    vpshufb %xmm2, %xmm3, %xmm4
+; GFNIAVX1-NEXT:    vgf2p8affineqb $0, %xmm5, %xmm2, %xmm2
+; GFNIAVX1-NEXT:    vpcmpeqb %xmm6, %xmm2, %xmm7
+; GFNIAVX1-NEXT:    vpand %xmm7, %xmm4, %xmm4
+; GFNIAVX1-NEXT:    vpshufb %xmm2, %xmm3, %xmm2
+; GFNIAVX1-NEXT:    vpaddb %xmm2, %xmm4, %xmm2
+; GFNIAVX1-NEXT:    vpshufb %xmm1, %xmm3, %xmm4
+; GFNIAVX1-NEXT:    vgf2p8affineqb $0, %xmm5, %xmm1, %xmm1
+; GFNIAVX1-NEXT:    vpcmpeqb %xmm6, %xmm1, %xmm5
+; GFNIAVX1-NEXT:    vpand %xmm5, %xmm4, %xmm4
+; GFNIAVX1-NEXT:    vpshufb %xmm1, %xmm3, %xmm1
+; GFNIAVX1-NEXT:    vpaddb %xmm1, %xmm4, %xmm1
+; GFNIAVX1-NEXT:    vinsertf128 $1, %xmm2, %ymm1, %ymm1
+; GFNIAVX1-NEXT:    retq
+;
+; GFNIAVX2-LABEL: testv64i8:
+; GFNIAVX2:       # %bb.0:
+; GFNIAVX2-NEXT:    vbroadcasti128 {{.*#+}} ymm2 = [4,3,2,2,1,1,1,1,0,0,0,0,0,0,0,0,4,3,2,2,1,1,1,1,0,0,0,0,0,0,0,0]
+; GFNIAVX2-NEXT:    # ymm2 = mem[0,1,0,1]
+; GFNIAVX2-NEXT:    vpshufb %ymm0, %ymm2, %ymm3
+; GFNIAVX2-NEXT:    vpbroadcastq {{.*#+}} ymm4 = [0,0,0,0,128,64,32,16,0,0,0,0,128,64,32,16,0,0,0,0,128,64,32,16,0,0,0,0,128,64,32,16]
+; GFNIAVX2-NEXT:    vgf2p8affineqb $0, %ymm4, %ymm0, %ymm0
+; GFNIAVX2-NEXT:    vpxor %xmm5, %xmm5, %xmm5
+; GFNIAVX2-NEXT:    vpcmpeqb %ymm5, %ymm0, %ymm6
+; GFNIAVX2-NEXT:    vpand %ymm6, %ymm3, %ymm3
+; GFNIAVX2-NEXT:    vpshufb %ymm0, %ymm2, %ymm0
+; GFNIAVX2-NEXT:    vpaddb %ymm0, %ymm3, %ymm0
+; GFNIAVX2-NEXT:    vpshufb %ymm1, %ymm2, %ymm3
+; GFNIAVX2-NEXT:    vgf2p8affineqb $0, %ymm4, %ymm1, %ymm1
+; GFNIAVX2-NEXT:    vpcmpeqb %ymm5, %ymm1, %ymm4
+; GFNIAVX2-NEXT:    vpand %ymm4, %ymm3, %ymm3
+; GFNIAVX2-NEXT:    vpshufb %ymm1, %ymm2, %ymm1
+; GFNIAVX2-NEXT:    vpaddb %ymm1, %ymm3, %ymm1
+; GFNIAVX2-NEXT:    retq
+;
+; GFNIAVX512VL-LABEL: testv64i8:
+; GFNIAVX512VL:       # %bb.0:
+; GFNIAVX512VL-NEXT:    vextracti64x4 $1, %zmm0, %ymm1
+; GFNIAVX512VL-NEXT:    vbroadcasti128 {{.*#+}} ymm2 = [4,3,2,2,1,1,1,1,0,0,0,0,0,0,0,0,4,3,2,2,1,1,1,1,0,0,0,0,0,0,0,0]
+; GFNIAVX512VL-NEXT:    # ymm2 = mem[0,1,0,1]
+; GFNIAVX512VL-NEXT:    vpshufb %ymm1, %ymm2, %ymm3
+; GFNIAVX512VL-NEXT:    vpbroadcastq {{.*#+}} ymm4 = [0,0,0,0,128,64,32,16,0,0,0,0,128,64,32,16,0,0,0,0,128,64,32,16,0,0,0,0,128,64,32,16]
+; GFNIAVX512VL-NEXT:    vgf2p8affineqb $0, %ymm4, %ymm1, %ymm1
+; GFNIAVX512VL-NEXT:    vpxor %xmm5, %xmm5, %xmm5
+; GFNIAVX512VL-NEXT:    vpcmpeqb %ymm5, %ymm1, %ymm6
+; GFNIAVX512VL-NEXT:    vpand %ymm6, %ymm3, %ymm3
+; GFNIAVX512VL-NEXT:    vpshufb %ymm1, %ymm2, %ymm1
+; GFNIAVX512VL-NEXT:    vpaddb %ymm1, %ymm3, %ymm1
+; GFNIAVX512VL-NEXT:    vpshufb %ymm0, %ymm2, %ymm3
+; GFNIAVX512VL-NEXT:    vgf2p8affineqb $0, %ymm4, %ymm0, %ymm0
+; GFNIAVX512VL-NEXT:    vpcmpeqb %ymm5, %ymm0, %ymm4
+; GFNIAVX512VL-NEXT:    vpand %ymm4, %ymm3, %ymm3
+; GFNIAVX512VL-NEXT:    vpshufb %ymm0, %ymm2, %ymm0
+; GFNIAVX512VL-NEXT:    vpaddb %ymm0, %ymm3, %ymm0
+; GFNIAVX512VL-NEXT:    vinserti64x4 $1, %ymm1, %zmm0, %zmm0
+; GFNIAVX512VL-NEXT:    retq
+;
+; GFNIAVX512BW-LABEL: testv64i8:
+; GFNIAVX512BW:       # %bb.0:
+; GFNIAVX512BW-NEXT:    vgf2p8affineqb $0, {{\.?LCPI[0-9]+_[0-9]+}}(%rip){1to8}, %zmm0, %zmm1
+; GFNIAVX512BW-NEXT:    vbroadcasti32x4 {{.*#+}} zmm2 = [4,3,2,2,1,1,1,1,0,0,0,0,0,0,0,0,4,3,2,2,1,1,1,1,0,0,0,0,0,0,0,0,4,3,2,2,1,1,1,1,0,0,0,0,0,0,0,0,4,3,2,2,1,1,1,1,0,0,0,0,0,0,0,0]
+; GFNIAVX512BW-NEXT:    # zmm2 = mem[0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3]
+; GFNIAVX512BW-NEXT:    vpshufb %zmm1, %zmm2, %zmm3
+; GFNIAVX512BW-NEXT:    vpshufb %zmm0, %zmm2, %zmm0
+; GFNIAVX512BW-NEXT:    vptestnmb %zmm1, %zmm1, %k0
+; GFNIAVX512BW-NEXT:    vpmovm2b %k0, %zmm1
+; GFNIAVX512BW-NEXT:    vpandq %zmm1, %zmm0, %zmm0
+; GFNIAVX512BW-NEXT:    vpaddb %zmm3, %zmm0, %zmm0
+; GFNIAVX512BW-NEXT:    retq
+  %out = call <64 x i8> @llvm.ctlz.v64i8(<64 x i8> %in, i1 0)
+  ret <64 x i8> %out
+}
+
+define <64 x i8> @testv64i8u(<64 x i8> %in) nounwind {
+; GFNISSE-LABEL: testv64i8u:
+; GFNISSE:       # %bb.0:
+; GFNISSE-NEXT:    movdqa %xmm3, %xmm4
+; GFNISSE-NEXT:    movq {{.*#+}} xmm3 = [4,3,2,2,1,1,1,1,0,0,0,0,0,0,0,0]
+; GFNISSE-NEXT:    movdqa %xmm3, %xmm7
+; GFNISSE-NEXT:    pshufb %xmm0, %xmm7
+; GFNISSE-NEXT:    movdqa {{.*#+}} xmm6 = [0,0,0,0,128,64,32,16,0,0,0,0,128,64,32,16]
+; GFNISSE-NEXT:    gf2p8affineqb $0, %xmm6, %xmm0
+; GFNISSE-NEXT:    pxor %xmm5, %xmm5
+; GFNISSE-NEXT:    movdqa %xmm3, %xmm8
+; GFNISSE-NEXT:    pshufb %xmm0, %xmm8
+; GFNISSE-NEXT:    pcmpeqb %xmm5, %xmm0
+; GFNISSE-NEXT:    pand %xmm7, %xmm0
+; GFNISSE-NEXT:    paddb %xmm8, %xmm0
+; GFNISSE-NEXT:    movdqa %xmm3, %xmm7
+; GFNISSE-NEXT:    pshufb %xmm1, %xmm7
+; GFNISSE-NEXT:    gf2p8affineqb $0, %xmm6, %xmm1
+; GFNISSE-NEXT:    movdqa %xmm3, %xmm8
+; GFNISSE-NEXT:    pshufb %xmm1, %xmm8
+; GFNISSE-NEXT:    pcmpeqb %xmm5, %xmm1
+; GFNISSE-NEXT:    pand %xmm7, %xmm1
+; GFNISSE-NEXT:    paddb %xmm8, %xmm1
+; GFNISSE-NEXT:    movdqa %xmm3, %xmm7
+; GFNISSE-NEXT:    pshufb %xmm2, %xmm7
+; GFNISSE-NEXT:    gf2p8affineqb $0, %xmm6, %xmm2
+; GFNISSE-NEXT:    movdqa %xmm3, %xmm8
+; GFNISSE-NEXT:    pshufb %xmm2, %xmm8
+; GFNISSE-NEXT:    pcmpeqb %xmm5, %xmm2
+; GFNISSE-NEXT:    pand %xmm7, %xmm2
+; GFNISSE-NEXT:    paddb %xmm8, %xmm2
+; GFNISSE-NEXT:    movdqa %xmm3, %xmm7
+; GFNISSE-NEXT:    pshufb %xmm4, %xmm7
+; GFNISSE-NEXT:    gf2p8affineqb $0, %xmm6, %xmm4
+; GFNISSE-NEXT:    pcmpeqb %xmm4, %xmm5
+; GFNISSE-NEXT:    pand %xmm7, %xmm5
+; GFNISSE-NEXT:    pshufb %xmm4, %xmm3
+; GFNISSE-NEXT:    paddb %xmm5, %xmm3
+; GFNISSE-NEXT:    retq
+;
+; GFNIAVX1-LABEL: testv64i8u:
+; GFNIAVX1:       # %bb.0:
+; GFNIAVX1-NEXT:    vextractf128 $1, %ymm0, %xmm2
+; GFNIAVX1-NEXT:    vmovq {{.*#+}} xmm3 = [4,3,2,2,1,1,1,1,0,0,0,0,0,0,0,0]
+; GFNIAVX1-NEXT:    vpshufb %xmm2, %xmm3, %xmm4
+; GFNIAVX1-NEXT:    vmovddup {{.*#+}} xmm5 = [0,0,0,0,128,64,32,16,0,0,0,0,128,64,32,16]
+; GFNIAVX1-NEXT:    # xmm5 = mem[0,0]
+; GFNIAVX1-NEXT:    vgf2p8affineqb $0, %xmm5, %xmm2, %xmm2
+; GFNIAVX1-NEXT:    vpxor %xmm6, %xmm6, %xmm6
+; GFNIAVX1-NEXT:    vpcmpeqb %xmm6, %xmm2, %xmm7
+; GFNIAVX1-NEXT:    vpand %xmm7, %xmm4, %xmm4
+; GFNIAVX1-NEXT:    vpshufb %xmm2, %xmm3, %xmm2
+; GFNIAVX1-NEXT:    vpaddb %xmm2, %xmm4, %xmm2
+; GFNIAVX1-NEXT:    vpshufb %xmm0, %xmm3, %xmm4
+; GFNIAVX1-NEXT:    vgf2p8affineqb $0, %xmm5, %xmm0, %xmm0
+; GFNIAVX1-NEXT:    vpcmpeqb %xmm6, %xmm0, %xmm7
+; GFNIAVX1-NEXT:    vpand %xmm7, %xmm4, %xmm4
+; GFNIAVX1-NEXT:    vpshufb %xmm0, %xmm3, %xmm0
+; GFNIAVX1-NEXT:    vpaddb %xmm0, %xmm4, %xmm0
+; GFNIAVX1-NEXT:    vinsertf128 $1, %xmm2, %ymm0, %ymm0
+; GFNIAVX1-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; GFNIAVX1-NEXT:    vpshufb %xmm2, %xmm3, %xmm4
+; GFNIAVX1-NEXT:    vgf2p8affineqb $0, %xmm5, %xmm2, %xmm2
+; GFNIAVX1-NEXT:    vpcmpeqb %xmm6, %xmm2, %xmm7
+; GFNIAVX1-NEXT:    vpand %xmm7, %xmm4, %xmm4
+; GFNIAVX1-NEXT:    vpshufb %xmm2, %xmm3, %xmm2
+; GFNIAVX1-NEXT:    vpaddb %xmm2, %xmm4, %xmm2
+; GFNIAVX1-NEXT:    vpshufb %xmm1, %xmm3, %xmm4
+; GFNIAVX1-NEXT:    vgf2p8affineqb $0, %xmm5, %xmm1, %xmm1
+; GFNIAVX1-NEXT:    vpcmpeqb %xmm6, %xmm1, %xmm5
+; GFNIAVX1-NEXT:    vpand %xmm5, %xmm4, %xmm4
+; GFNIAVX1-NEXT:    vpshufb %xmm1, %xmm3, %xmm1
+; GFNIAVX1-NEXT:    vpaddb %xmm1, %xmm4, %xmm1
+; GFNIAVX1-NEXT:    vinsertf128 $1, %xmm2, %ymm1, %ymm1
+; GFNIAVX1-NEXT:    retq
+;
+; GFNIAVX2-LABEL: testv64i8u:
+; GFNIAVX2:       # %bb.0:
+; GFNIAVX2-NEXT:    vbroadcasti128 {{.*#+}} ymm2 = [4,3,2,2,1,1,1,1,0,0,0,0,0,0,0,0,4,3,2,2,1,1,1,1,0,0,0,0,0,0,0,0]
+; GFNIAVX2-NEXT:    # ymm2 = mem[0,1,0,1]
+; GFNIAVX2-NEXT:    vpshufb %ymm0, %ymm2, %ymm3
+; GFNIAVX2-NEXT:    vpbroadcastq {{.*#+}} ymm4 = [0,0,0,0,128,64,32,16,0,0,0,0,128,64,32,16,0,0,0,0,128,64,32,16,0,0,0,0,128,64,32,16]
+; GFNIAVX2-NEXT:    vgf2p8affineqb $0, %ymm4, %ymm0, %ymm0
+; GFNIAVX2-NEXT:    vpxor %xmm5, %xmm5, %xmm5
+; GFNIAVX2-NEXT:    vpcmpeqb %ymm5, %ymm0, %ymm6
+; GFNIAVX2-NEXT:    vpand %ymm6, %ymm3, %ymm3
+; GFNIAVX2-NEXT:    vpshufb %ymm0, %ymm2, %ymm0
+; GFNIAVX2-NEXT:    vpaddb %ymm0, %ymm3, %ymm0
+; GFNIAVX2-NEXT:    vpshufb %ymm1, %ymm2, %ymm3
+; GFNIAVX2-NEXT:    vgf2p8affineqb $0, %ymm4, %ymm1, %ymm1
+; GFNIAVX2-NEXT:    vpcmpeqb %ymm5, %ymm1, %ymm4
+; GFNIAVX2-NEXT:    vpand %ymm4, %ymm3, %ymm3
+; GFNIAVX2-NEXT:    vpshufb %ymm1, %ymm2, %ymm1
+; GFNIAVX2-NEXT:    vpaddb %ymm1, %ymm3, %ymm1
+; GFNIAVX2-NEXT:    retq
+;
+; GFNIAVX512VL-LABEL: testv64i8u:
+; GFNIAVX512VL:       # %bb.0:
+; GFNIAVX512VL-NEXT:    vextracti64x4 $1, %zmm0, %ymm1
+; GFNIAVX512VL-NEXT:    vbroadcasti128 {{.*#+}} ymm2 = [4,3,2,2,1,1,1,1,0,0,0,0,0,0,0,0,4,3,2,2,1,1,1,1,0,0,0,0,0,0,0,0]
+; GFNIAVX512VL-NEXT:    # ymm2 = mem[0,1,0,1]
+; GFNIAVX512VL-NEXT:    vpshufb %ymm1, %ymm2, %ymm3
+; GFNIAVX512VL-NEXT:    vpbroadcastq {{.*#+}} ymm4 = [0,0,0,0,128,64,32,16,0,0,0,0,128,64,32,16,0,0,0,0,128,64,32,16,0,0,0,0,128,64,32,16]
+; GFNIAVX512VL-NEXT:    vgf2p8affineqb $0, %ymm4, %ymm1, %ymm1
+; GFNIAVX512VL-NEXT:    vpxor %xmm5, %xmm5, %xmm5
+; GFNIAVX512VL-NEXT:    vpcmpeqb %ymm5, %ymm1, %ymm6
+; GFNIAVX512VL-NEXT:    vpand %ymm6, %ymm3, %ymm3
+; GFNIAVX512VL-NEXT:    vpshufb %ymm1, %ymm2, %ymm1
+; GFNIAVX512VL-NEXT:    vpaddb %ymm1, %ymm3, %ymm1
+; GFNIAVX512VL-NEXT:    vpshufb %ymm0, %ymm2, %ymm3
+; GFNIAVX512VL-NEXT:    vgf2p8affineqb $0, %ymm4, %ymm0, %ymm0
+; GFNIAVX512VL-NEXT:    vpcmpeqb %ymm5, %ymm0, %ymm4
+; GFNIAVX512VL-NEXT:    vpand %ymm4, %ymm3, %ymm3
+; GFNIAVX512VL-NEXT:    vpshufb %ymm0, %ymm2, %ymm0
+; GFNIAVX512VL-NEXT:    vpaddb %ymm0, %ymm3, %ymm0
+; GFNIAVX512VL-NEXT:    vinserti64x4 $1, %ymm1, %zmm0, %zmm0
+; GFNIAVX512VL-NEXT:    retq
+;
+; GFNIAVX512BW-LABEL: testv64i8u:
+; GFNIAVX512BW:       # %bb.0:
+; GFNIAVX512BW-NEXT:    vgf2p8affineqb $0, {{\.?LCPI[0-9]+_[0-9]+}}(%rip){1to8}, %zmm0, %zmm1
+; GFNIAVX512BW-NEXT:    vbroadcasti32x4 {{.*#+}} zmm2 = [4,3,2,2,1,1,1,1,0,0,0,0,0,0,0,0,4,3,2,2,1,1,1,1,0,0,0,0,0,0,0,0,4,3,2,2,1,1,1,1,0,0,0,0,0,0,0,0,4,3,2,2,1,1,1,1,0,0,0,0,0,0,0,0]
+; GFNIAVX512BW-NEXT:    # zmm2 = mem[0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3]
+; GFNIAVX512BW-NEXT:    vpshufb %zmm1, %zmm2, %zmm3
+; GFNIAVX512BW-NEXT:    vpshufb %zmm0, %zmm2, %zmm0
+; GFNIAVX512BW-NEXT:    vptestnmb %zmm1, %zmm1, %k0
+; GFNIAVX512BW-NEXT:    vpmovm2b %k0, %zmm1
+; GFNIAVX512BW-NEXT:    vpandq %zmm1, %zmm0, %zmm0
+; GFNIAVX512BW-NEXT:    vpaddb %zmm3, %zmm0, %zmm0
+; GFNIAVX512BW-NEXT:    retq
+  %out = call <64 x i8> @llvm.ctlz.v64i8(<64 x i8> %in, i1 -1)
+  ret <64 x i8> %out
+}
+;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
+; GFNIAVX: {{.*}}

diff  --git a/llvm/test/CodeGen/X86/gfni-tzcnt.ll b/llvm/test/CodeGen/X86/gfni-tzcnt.ll
new file mode 100644
index 00000000000000..f424483c53e2ce
--- /dev/null
+++ b/llvm/test/CodeGen/X86/gfni-tzcnt.ll
@@ -0,0 +1,590 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse4.2,+gfni | FileCheck %s --check-prefixes=GFNISSE
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx,+gfni | FileCheck %s --check-prefixes=GFNIAVX,GFNIAVX1OR2,GFNIAVX1
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx2,+gfni | FileCheck %s --check-prefixes=GFNIAVX,GFNIAVX1OR2,GFNIAVX2
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512vl,+gfni | FileCheck %s --check-prefixes=GFNIAVX,GFNIAVX512,GFNIAVX512VL
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512bw,+avx512vl,+gfni | FileCheck %s --check-prefixes=GFNIAVX,GFNIAVX512,GFNIAVX512BW
+
+define <16 x i8> @testv16i8(<16 x i8> %in) nounwind {
+; GFNISSE-LABEL: testv16i8:
+; GFNISSE:       # %bb.0:
+; GFNISSE-NEXT:    pcmpeqd %xmm1, %xmm1
+; GFNISSE-NEXT:    paddb %xmm0, %xmm1
+; GFNISSE-NEXT:    pandn %xmm1, %xmm0
+; GFNISSE-NEXT:    movdqa {{.*#+}} xmm2 = [15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15]
+; GFNISSE-NEXT:    pand %xmm0, %xmm2
+; GFNISSE-NEXT:    movdqa {{.*#+}} xmm1 = [0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4]
+; GFNISSE-NEXT:    movdqa %xmm1, %xmm3
+; GFNISSE-NEXT:    pshufb %xmm2, %xmm3
+; GFNISSE-NEXT:    gf2p8affineqb $0, {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
+; GFNISSE-NEXT:    pshufb %xmm0, %xmm1
+; GFNISSE-NEXT:    paddb %xmm3, %xmm1
+; GFNISSE-NEXT:    movdqa %xmm1, %xmm0
+; GFNISSE-NEXT:    retq
+;
+; GFNIAVX1OR2-LABEL: testv16i8:
+; GFNIAVX1OR2:       # %bb.0:
+; GFNIAVX1OR2-NEXT:    vpcmpeqd %xmm1, %xmm1, %xmm1
+; GFNIAVX1OR2-NEXT:    vpaddb %xmm1, %xmm0, %xmm1
+; GFNIAVX1OR2-NEXT:    vpandn %xmm1, %xmm0, %xmm0
+; GFNIAVX1OR2-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm1
+; GFNIAVX1OR2-NEXT:    vmovdqa {{.*#+}} xmm2 = [0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4]
+; GFNIAVX1OR2-NEXT:    vpshufb %xmm1, %xmm2, %xmm1
+; GFNIAVX1OR2-NEXT:    vgf2p8affineqb $0, {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
+; GFNIAVX1OR2-NEXT:    vpshufb %xmm0, %xmm2, %xmm0
+; GFNIAVX1OR2-NEXT:    vpaddb %xmm1, %xmm0, %xmm0
+; GFNIAVX1OR2-NEXT:    retq
+;
+; GFNIAVX512-LABEL: testv16i8:
+; GFNIAVX512:       # %bb.0:
+; GFNIAVX512-NEXT:    vpcmpeqd %xmm1, %xmm1, %xmm1
+; GFNIAVX512-NEXT:    vpaddb %xmm1, %xmm0, %xmm1
+; GFNIAVX512-NEXT:    vpandn %xmm1, %xmm0, %xmm0
+; GFNIAVX512-NEXT:    vpandd {{\.?LCPI[0-9]+_[0-9]+}}(%rip){1to4}, %xmm0, %xmm1
+; GFNIAVX512-NEXT:    vmovdqa {{.*#+}} xmm2 = [0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4]
+; GFNIAVX512-NEXT:    vpshufb %xmm1, %xmm2, %xmm1
+; GFNIAVX512-NEXT:    vgf2p8affineqb $0, {{\.?LCPI[0-9]+_[0-9]+}}(%rip){1to2}, %xmm0, %xmm0
+; GFNIAVX512-NEXT:    vpshufb %xmm0, %xmm2, %xmm0
+; GFNIAVX512-NEXT:    vpaddb %xmm1, %xmm0, %xmm0
+; GFNIAVX512-NEXT:    retq
+  %out = call <16 x i8> @llvm.cttz.v16i8(<16 x i8> %in, i1 0)
+  ret <16 x i8> %out
+}
+
+define <16 x i8> @testv16i8u(<16 x i8> %in) nounwind {
+; GFNISSE-LABEL: testv16i8u:
+; GFNISSE:       # %bb.0:
+; GFNISSE-NEXT:    pcmpeqd %xmm1, %xmm1
+; GFNISSE-NEXT:    paddb %xmm0, %xmm1
+; GFNISSE-NEXT:    pandn %xmm1, %xmm0
+; GFNISSE-NEXT:    movdqa {{.*#+}} xmm2 = [15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15]
+; GFNISSE-NEXT:    pand %xmm0, %xmm2
+; GFNISSE-NEXT:    movdqa {{.*#+}} xmm1 = [0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4]
+; GFNISSE-NEXT:    movdqa %xmm1, %xmm3
+; GFNISSE-NEXT:    pshufb %xmm2, %xmm3
+; GFNISSE-NEXT:    gf2p8affineqb $0, {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
+; GFNISSE-NEXT:    pshufb %xmm0, %xmm1
+; GFNISSE-NEXT:    paddb %xmm3, %xmm1
+; GFNISSE-NEXT:    movdqa %xmm1, %xmm0
+; GFNISSE-NEXT:    retq
+;
+; GFNIAVX1OR2-LABEL: testv16i8u:
+; GFNIAVX1OR2:       # %bb.0:
+; GFNIAVX1OR2-NEXT:    vpcmpeqd %xmm1, %xmm1, %xmm1
+; GFNIAVX1OR2-NEXT:    vpaddb %xmm1, %xmm0, %xmm1
+; GFNIAVX1OR2-NEXT:    vpandn %xmm1, %xmm0, %xmm0
+; GFNIAVX1OR2-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm1
+; GFNIAVX1OR2-NEXT:    vmovdqa {{.*#+}} xmm2 = [0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4]
+; GFNIAVX1OR2-NEXT:    vpshufb %xmm1, %xmm2, %xmm1
+; GFNIAVX1OR2-NEXT:    vgf2p8affineqb $0, {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
+; GFNIAVX1OR2-NEXT:    vpshufb %xmm0, %xmm2, %xmm0
+; GFNIAVX1OR2-NEXT:    vpaddb %xmm1, %xmm0, %xmm0
+; GFNIAVX1OR2-NEXT:    retq
+;
+; GFNIAVX512-LABEL: testv16i8u:
+; GFNIAVX512:       # %bb.0:
+; GFNIAVX512-NEXT:    vpcmpeqd %xmm1, %xmm1, %xmm1
+; GFNIAVX512-NEXT:    vpaddb %xmm1, %xmm0, %xmm1
+; GFNIAVX512-NEXT:    vpandn %xmm1, %xmm0, %xmm0
+; GFNIAVX512-NEXT:    vpandd {{\.?LCPI[0-9]+_[0-9]+}}(%rip){1to4}, %xmm0, %xmm1
+; GFNIAVX512-NEXT:    vmovdqa {{.*#+}} xmm2 = [0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4]
+; GFNIAVX512-NEXT:    vpshufb %xmm1, %xmm2, %xmm1
+; GFNIAVX512-NEXT:    vgf2p8affineqb $0, {{\.?LCPI[0-9]+_[0-9]+}}(%rip){1to2}, %xmm0, %xmm0
+; GFNIAVX512-NEXT:    vpshufb %xmm0, %xmm2, %xmm0
+; GFNIAVX512-NEXT:    vpaddb %xmm1, %xmm0, %xmm0
+; GFNIAVX512-NEXT:    retq
+  %out = call <16 x i8> @llvm.cttz.v16i8(<16 x i8> %in, i1 -1)
+  ret <16 x i8> %out
+}
+
+define <32 x i8> @testv32i8(<32 x i8> %in) nounwind {
+; GFNISSE-LABEL: testv32i8:
+; GFNISSE:       # %bb.0:
+; GFNISSE-NEXT:    pcmpeqd %xmm4, %xmm4
+; GFNISSE-NEXT:    movdqa %xmm0, %xmm2
+; GFNISSE-NEXT:    paddb %xmm4, %xmm2
+; GFNISSE-NEXT:    pandn %xmm2, %xmm0
+; GFNISSE-NEXT:    movdqa {{.*#+}} xmm5 = [15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15]
+; GFNISSE-NEXT:    movdqa %xmm0, %xmm3
+; GFNISSE-NEXT:    pand %xmm5, %xmm3
+; GFNISSE-NEXT:    movdqa {{.*#+}} xmm2 = [0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4]
+; GFNISSE-NEXT:    movdqa %xmm2, %xmm6
+; GFNISSE-NEXT:    pshufb %xmm3, %xmm6
+; GFNISSE-NEXT:    movdqa {{.*#+}} xmm7 = [0,0,0,0,128,64,32,16,0,0,0,0,128,64,32,16]
+; GFNISSE-NEXT:    gf2p8affineqb $0, %xmm7, %xmm0
+; GFNISSE-NEXT:    movdqa %xmm2, %xmm3
+; GFNISSE-NEXT:    pshufb %xmm0, %xmm3
+; GFNISSE-NEXT:    paddb %xmm6, %xmm3
+; GFNISSE-NEXT:    paddb %xmm1, %xmm4
+; GFNISSE-NEXT:    pandn %xmm4, %xmm1
+; GFNISSE-NEXT:    pand %xmm1, %xmm5
+; GFNISSE-NEXT:    movdqa %xmm2, %xmm0
+; GFNISSE-NEXT:    pshufb %xmm5, %xmm0
+; GFNISSE-NEXT:    gf2p8affineqb $0, %xmm7, %xmm1
+; GFNISSE-NEXT:    pshufb %xmm1, %xmm2
+; GFNISSE-NEXT:    paddb %xmm0, %xmm2
+; GFNISSE-NEXT:    movdqa %xmm3, %xmm0
+; GFNISSE-NEXT:    movdqa %xmm2, %xmm1
+; GFNISSE-NEXT:    retq
+;
+; GFNIAVX1-LABEL: testv32i8:
+; GFNIAVX1:       # %bb.0:
+; GFNIAVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; GFNIAVX1-NEXT:    vpcmpeqd %xmm2, %xmm2, %xmm2
+; GFNIAVX1-NEXT:    vpaddb %xmm2, %xmm1, %xmm3
+; GFNIAVX1-NEXT:    vpandn %xmm3, %xmm1, %xmm1
+; GFNIAVX1-NEXT:    vbroadcastss {{.*#+}} xmm3 = [15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15]
+; GFNIAVX1-NEXT:    vpand %xmm3, %xmm1, %xmm4
+; GFNIAVX1-NEXT:    vmovdqa {{.*#+}} xmm5 = [0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4]
+; GFNIAVX1-NEXT:    vpshufb %xmm4, %xmm5, %xmm4
+; GFNIAVX1-NEXT:    vmovddup {{.*#+}} xmm6 = [0,0,0,0,128,64,32,16,0,0,0,0,128,64,32,16]
+; GFNIAVX1-NEXT:    # xmm6 = mem[0,0]
+; GFNIAVX1-NEXT:    vgf2p8affineqb $0, %xmm6, %xmm1, %xmm1
+; GFNIAVX1-NEXT:    vpshufb %xmm1, %xmm5, %xmm1
+; GFNIAVX1-NEXT:    vpaddb %xmm4, %xmm1, %xmm1
+; GFNIAVX1-NEXT:    vpaddb %xmm2, %xmm0, %xmm2
+; GFNIAVX1-NEXT:    vpandn %xmm2, %xmm0, %xmm0
+; GFNIAVX1-NEXT:    vpand %xmm3, %xmm0, %xmm2
+; GFNIAVX1-NEXT:    vpshufb %xmm2, %xmm5, %xmm2
+; GFNIAVX1-NEXT:    vgf2p8affineqb $0, %xmm6, %xmm0, %xmm0
+; GFNIAVX1-NEXT:    vpshufb %xmm0, %xmm5, %xmm0
+; GFNIAVX1-NEXT:    vpaddb %xmm2, %xmm0, %xmm0
+; GFNIAVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; GFNIAVX1-NEXT:    retq
+;
+; GFNIAVX2-LABEL: testv32i8:
+; GFNIAVX2:       # %bb.0:
+; GFNIAVX2-NEXT:    vpcmpeqd %ymm1, %ymm1, %ymm1
+; GFNIAVX2-NEXT:    vpaddb %ymm1, %ymm0, %ymm1
+; GFNIAVX2-NEXT:    vpandn %ymm1, %ymm0, %ymm0
+; GFNIAVX2-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm0, %ymm1
+; GFNIAVX2-NEXT:    vbroadcasti128 {{.*#+}} ymm2 = [0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4,0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4]
+; GFNIAVX2-NEXT:    # ymm2 = mem[0,1,0,1]
+; GFNIAVX2-NEXT:    vpshufb %ymm1, %ymm2, %ymm1
+; GFNIAVX2-NEXT:    vgf2p8affineqb $0, {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm0, %ymm0
+; GFNIAVX2-NEXT:    vpshufb %ymm0, %ymm2, %ymm0
+; GFNIAVX2-NEXT:    vpaddb %ymm1, %ymm0, %ymm0
+; GFNIAVX2-NEXT:    retq
+;
+; GFNIAVX512-LABEL: testv32i8:
+; GFNIAVX512:       # %bb.0:
+; GFNIAVX512-NEXT:    vpcmpeqd %ymm1, %ymm1, %ymm1
+; GFNIAVX512-NEXT:    vpaddb %ymm1, %ymm0, %ymm1
+; GFNIAVX512-NEXT:    vpandn %ymm1, %ymm0, %ymm0
+; GFNIAVX512-NEXT:    vpandd {{\.?LCPI[0-9]+_[0-9]+}}(%rip){1to8}, %ymm0, %ymm1
+; GFNIAVX512-NEXT:    vbroadcasti128 {{.*#+}} ymm2 = [0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4,0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4]
+; GFNIAVX512-NEXT:    # ymm2 = mem[0,1,0,1]
+; GFNIAVX512-NEXT:    vpshufb %ymm1, %ymm2, %ymm1
+; GFNIAVX512-NEXT:    vgf2p8affineqb $0, {{\.?LCPI[0-9]+_[0-9]+}}(%rip){1to4}, %ymm0, %ymm0
+; GFNIAVX512-NEXT:    vpshufb %ymm0, %ymm2, %ymm0
+; GFNIAVX512-NEXT:    vpaddb %ymm1, %ymm0, %ymm0
+; GFNIAVX512-NEXT:    retq
+  %out = call <32 x i8> @llvm.cttz.v32i8(<32 x i8> %in, i1 0)
+  ret <32 x i8> %out
+}
+
+define <32 x i8> @testv32i8u(<32 x i8> %in) nounwind {
+; GFNISSE-LABEL: testv32i8u:
+; GFNISSE:       # %bb.0:
+; GFNISSE-NEXT:    pcmpeqd %xmm4, %xmm4
+; GFNISSE-NEXT:    movdqa %xmm0, %xmm2
+; GFNISSE-NEXT:    paddb %xmm4, %xmm2
+; GFNISSE-NEXT:    pandn %xmm2, %xmm0
+; GFNISSE-NEXT:    movdqa {{.*#+}} xmm5 = [15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15]
+; GFNISSE-NEXT:    movdqa %xmm0, %xmm3
+; GFNISSE-NEXT:    pand %xmm5, %xmm3
+; GFNISSE-NEXT:    movdqa {{.*#+}} xmm2 = [0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4]
+; GFNISSE-NEXT:    movdqa %xmm2, %xmm6
+; GFNISSE-NEXT:    pshufb %xmm3, %xmm6
+; GFNISSE-NEXT:    movdqa {{.*#+}} xmm7 = [0,0,0,0,128,64,32,16,0,0,0,0,128,64,32,16]
+; GFNISSE-NEXT:    gf2p8affineqb $0, %xmm7, %xmm0
+; GFNISSE-NEXT:    movdqa %xmm2, %xmm3
+; GFNISSE-NEXT:    pshufb %xmm0, %xmm3
+; GFNISSE-NEXT:    paddb %xmm6, %xmm3
+; GFNISSE-NEXT:    paddb %xmm1, %xmm4
+; GFNISSE-NEXT:    pandn %xmm4, %xmm1
+; GFNISSE-NEXT:    pand %xmm1, %xmm5
+; GFNISSE-NEXT:    movdqa %xmm2, %xmm0
+; GFNISSE-NEXT:    pshufb %xmm5, %xmm0
+; GFNISSE-NEXT:    gf2p8affineqb $0, %xmm7, %xmm1
+; GFNISSE-NEXT:    pshufb %xmm1, %xmm2
+; GFNISSE-NEXT:    paddb %xmm0, %xmm2
+; GFNISSE-NEXT:    movdqa %xmm3, %xmm0
+; GFNISSE-NEXT:    movdqa %xmm2, %xmm1
+; GFNISSE-NEXT:    retq
+;
+; GFNIAVX1-LABEL: testv32i8u:
+; GFNIAVX1:       # %bb.0:
+; GFNIAVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; GFNIAVX1-NEXT:    vpcmpeqd %xmm2, %xmm2, %xmm2
+; GFNIAVX1-NEXT:    vpaddb %xmm2, %xmm1, %xmm3
+; GFNIAVX1-NEXT:    vpandn %xmm3, %xmm1, %xmm1
+; GFNIAVX1-NEXT:    vbroadcastss {{.*#+}} xmm3 = [15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15]
+; GFNIAVX1-NEXT:    vpand %xmm3, %xmm1, %xmm4
+; GFNIAVX1-NEXT:    vmovdqa {{.*#+}} xmm5 = [0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4]
+; GFNIAVX1-NEXT:    vpshufb %xmm4, %xmm5, %xmm4
+; GFNIAVX1-NEXT:    vmovddup {{.*#+}} xmm6 = [0,0,0,0,128,64,32,16,0,0,0,0,128,64,32,16]
+; GFNIAVX1-NEXT:    # xmm6 = mem[0,0]
+; GFNIAVX1-NEXT:    vgf2p8affineqb $0, %xmm6, %xmm1, %xmm1
+; GFNIAVX1-NEXT:    vpshufb %xmm1, %xmm5, %xmm1
+; GFNIAVX1-NEXT:    vpaddb %xmm4, %xmm1, %xmm1
+; GFNIAVX1-NEXT:    vpaddb %xmm2, %xmm0, %xmm2
+; GFNIAVX1-NEXT:    vpandn %xmm2, %xmm0, %xmm0
+; GFNIAVX1-NEXT:    vpand %xmm3, %xmm0, %xmm2
+; GFNIAVX1-NEXT:    vpshufb %xmm2, %xmm5, %xmm2
+; GFNIAVX1-NEXT:    vgf2p8affineqb $0, %xmm6, %xmm0, %xmm0
+; GFNIAVX1-NEXT:    vpshufb %xmm0, %xmm5, %xmm0
+; GFNIAVX1-NEXT:    vpaddb %xmm2, %xmm0, %xmm0
+; GFNIAVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; GFNIAVX1-NEXT:    retq
+;
+; GFNIAVX2-LABEL: testv32i8u:
+; GFNIAVX2:       # %bb.0:
+; GFNIAVX2-NEXT:    vpcmpeqd %ymm1, %ymm1, %ymm1
+; GFNIAVX2-NEXT:    vpaddb %ymm1, %ymm0, %ymm1
+; GFNIAVX2-NEXT:    vpandn %ymm1, %ymm0, %ymm0
+; GFNIAVX2-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm0, %ymm1
+; GFNIAVX2-NEXT:    vbroadcasti128 {{.*#+}} ymm2 = [0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4,0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4]
+; GFNIAVX2-NEXT:    # ymm2 = mem[0,1,0,1]
+; GFNIAVX2-NEXT:    vpshufb %ymm1, %ymm2, %ymm1
+; GFNIAVX2-NEXT:    vgf2p8affineqb $0, {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm0, %ymm0
+; GFNIAVX2-NEXT:    vpshufb %ymm0, %ymm2, %ymm0
+; GFNIAVX2-NEXT:    vpaddb %ymm1, %ymm0, %ymm0
+; GFNIAVX2-NEXT:    retq
+;
+; GFNIAVX512-LABEL: testv32i8u:
+; GFNIAVX512:       # %bb.0:
+; GFNIAVX512-NEXT:    vpcmpeqd %ymm1, %ymm1, %ymm1
+; GFNIAVX512-NEXT:    vpaddb %ymm1, %ymm0, %ymm1
+; GFNIAVX512-NEXT:    vpandn %ymm1, %ymm0, %ymm0
+; GFNIAVX512-NEXT:    vpandd {{\.?LCPI[0-9]+_[0-9]+}}(%rip){1to8}, %ymm0, %ymm1
+; GFNIAVX512-NEXT:    vbroadcasti128 {{.*#+}} ymm2 = [0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4,0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4]
+; GFNIAVX512-NEXT:    # ymm2 = mem[0,1,0,1]
+; GFNIAVX512-NEXT:    vpshufb %ymm1, %ymm2, %ymm1
+; GFNIAVX512-NEXT:    vgf2p8affineqb $0, {{\.?LCPI[0-9]+_[0-9]+}}(%rip){1to4}, %ymm0, %ymm0
+; GFNIAVX512-NEXT:    vpshufb %ymm0, %ymm2, %ymm0
+; GFNIAVX512-NEXT:    vpaddb %ymm1, %ymm0, %ymm0
+; GFNIAVX512-NEXT:    retq
+  %out = call <32 x i8> @llvm.cttz.v32i8(<32 x i8> %in, i1 -1)
+  ret <32 x i8> %out
+}
+
+define <64 x i8> @testv64i8(<64 x i8> %in) nounwind {
+; GFNISSE-LABEL: testv64i8:
+; GFNISSE:       # %bb.0:
+; GFNISSE-NEXT:    movdqa %xmm1, %xmm5
+; GFNISSE-NEXT:    movdqa %xmm0, %xmm1
+; GFNISSE-NEXT:    pcmpeqd %xmm6, %xmm6
+; GFNISSE-NEXT:    paddb %xmm6, %xmm0
+; GFNISSE-NEXT:    pandn %xmm0, %xmm1
+; GFNISSE-NEXT:    movdqa {{.*#+}} xmm7 = [15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15]
+; GFNISSE-NEXT:    movdqa %xmm1, %xmm0
+; GFNISSE-NEXT:    pand %xmm7, %xmm0
+; GFNISSE-NEXT:    movdqa {{.*#+}} xmm4 = [0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4]
+; GFNISSE-NEXT:    movdqa %xmm4, %xmm9
+; GFNISSE-NEXT:    pshufb %xmm0, %xmm9
+; GFNISSE-NEXT:    movdqa {{.*#+}} xmm8 = [0,0,0,0,128,64,32,16,0,0,0,0,128,64,32,16]
+; GFNISSE-NEXT:    gf2p8affineqb $0, %xmm8, %xmm1
+; GFNISSE-NEXT:    movdqa %xmm4, %xmm0
+; GFNISSE-NEXT:    pshufb %xmm1, %xmm0
+; GFNISSE-NEXT:    paddb %xmm9, %xmm0
+; GFNISSE-NEXT:    movdqa %xmm5, %xmm1
+; GFNISSE-NEXT:    paddb %xmm6, %xmm1
+; GFNISSE-NEXT:    pandn %xmm1, %xmm5
+; GFNISSE-NEXT:    movdqa %xmm5, %xmm1
+; GFNISSE-NEXT:    pand %xmm7, %xmm1
+; GFNISSE-NEXT:    movdqa %xmm4, %xmm9
+; GFNISSE-NEXT:    pshufb %xmm1, %xmm9
+; GFNISSE-NEXT:    gf2p8affineqb $0, %xmm8, %xmm5
+; GFNISSE-NEXT:    movdqa %xmm4, %xmm1
+; GFNISSE-NEXT:    pshufb %xmm5, %xmm1
+; GFNISSE-NEXT:    paddb %xmm9, %xmm1
+; GFNISSE-NEXT:    movdqa %xmm2, %xmm5
+; GFNISSE-NEXT:    paddb %xmm6, %xmm5
+; GFNISSE-NEXT:    pandn %xmm5, %xmm2
+; GFNISSE-NEXT:    movdqa %xmm2, %xmm5
+; GFNISSE-NEXT:    pand %xmm7, %xmm5
+; GFNISSE-NEXT:    movdqa %xmm4, %xmm9
+; GFNISSE-NEXT:    pshufb %xmm5, %xmm9
+; GFNISSE-NEXT:    gf2p8affineqb $0, %xmm8, %xmm2
+; GFNISSE-NEXT:    movdqa %xmm4, %xmm5
+; GFNISSE-NEXT:    pshufb %xmm2, %xmm5
+; GFNISSE-NEXT:    paddb %xmm9, %xmm5
+; GFNISSE-NEXT:    paddb %xmm3, %xmm6
+; GFNISSE-NEXT:    pandn %xmm6, %xmm3
+; GFNISSE-NEXT:    pand %xmm3, %xmm7
+; GFNISSE-NEXT:    movdqa %xmm4, %xmm2
+; GFNISSE-NEXT:    pshufb %xmm7, %xmm2
+; GFNISSE-NEXT:    gf2p8affineqb $0, %xmm8, %xmm3
+; GFNISSE-NEXT:    pshufb %xmm3, %xmm4
+; GFNISSE-NEXT:    paddb %xmm2, %xmm4
+; GFNISSE-NEXT:    movdqa %xmm5, %xmm2
+; GFNISSE-NEXT:    movdqa %xmm4, %xmm3
+; GFNISSE-NEXT:    retq
+;
+; GFNIAVX1-LABEL: testv64i8:
+; GFNIAVX1:       # %bb.0:
+; GFNIAVX1-NEXT:    vextractf128 $1, %ymm0, %xmm2
+; GFNIAVX1-NEXT:    vpcmpeqd %xmm3, %xmm3, %xmm3
+; GFNIAVX1-NEXT:    vpaddb %xmm3, %xmm2, %xmm4
+; GFNIAVX1-NEXT:    vpandn %xmm4, %xmm2, %xmm2
+; GFNIAVX1-NEXT:    vbroadcastss {{.*#+}} xmm4 = [15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15]
+; GFNIAVX1-NEXT:    vpand %xmm4, %xmm2, %xmm5
+; GFNIAVX1-NEXT:    vmovdqa {{.*#+}} xmm6 = [0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4]
+; GFNIAVX1-NEXT:    vpshufb %xmm5, %xmm6, %xmm5
+; GFNIAVX1-NEXT:    vmovddup {{.*#+}} xmm7 = [0,0,0,0,128,64,32,16,0,0,0,0,128,64,32,16]
+; GFNIAVX1-NEXT:    # xmm7 = mem[0,0]
+; GFNIAVX1-NEXT:    vgf2p8affineqb $0, %xmm7, %xmm2, %xmm2
+; GFNIAVX1-NEXT:    vpshufb %xmm2, %xmm6, %xmm2
+; GFNIAVX1-NEXT:    vpaddb %xmm5, %xmm2, %xmm2
+; GFNIAVX1-NEXT:    vpaddb %xmm3, %xmm0, %xmm5
+; GFNIAVX1-NEXT:    vpandn %xmm5, %xmm0, %xmm0
+; GFNIAVX1-NEXT:    vpand %xmm4, %xmm0, %xmm5
+; GFNIAVX1-NEXT:    vpshufb %xmm5, %xmm6, %xmm5
+; GFNIAVX1-NEXT:    vgf2p8affineqb $0, %xmm7, %xmm0, %xmm0
+; GFNIAVX1-NEXT:    vpshufb %xmm0, %xmm6, %xmm0
+; GFNIAVX1-NEXT:    vpaddb %xmm5, %xmm0, %xmm0
+; GFNIAVX1-NEXT:    vinsertf128 $1, %xmm2, %ymm0, %ymm0
+; GFNIAVX1-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; GFNIAVX1-NEXT:    vpaddb %xmm3, %xmm2, %xmm5
+; GFNIAVX1-NEXT:    vpandn %xmm5, %xmm2, %xmm2
+; GFNIAVX1-NEXT:    vpand %xmm4, %xmm2, %xmm5
+; GFNIAVX1-NEXT:    vpshufb %xmm5, %xmm6, %xmm5
+; GFNIAVX1-NEXT:    vgf2p8affineqb $0, %xmm7, %xmm2, %xmm2
+; GFNIAVX1-NEXT:    vpshufb %xmm2, %xmm6, %xmm2
+; GFNIAVX1-NEXT:    vpaddb %xmm5, %xmm2, %xmm2
+; GFNIAVX1-NEXT:    vpaddb %xmm3, %xmm1, %xmm3
+; GFNIAVX1-NEXT:    vpandn %xmm3, %xmm1, %xmm1
+; GFNIAVX1-NEXT:    vpand %xmm4, %xmm1, %xmm3
+; GFNIAVX1-NEXT:    vpshufb %xmm3, %xmm6, %xmm3
+; GFNIAVX1-NEXT:    vgf2p8affineqb $0, %xmm7, %xmm1, %xmm1
+; GFNIAVX1-NEXT:    vpshufb %xmm1, %xmm6, %xmm1
+; GFNIAVX1-NEXT:    vpaddb %xmm3, %xmm1, %xmm1
+; GFNIAVX1-NEXT:    vinsertf128 $1, %xmm2, %ymm1, %ymm1
+; GFNIAVX1-NEXT:    retq
+;
+; GFNIAVX2-LABEL: testv64i8:
+; GFNIAVX2:       # %bb.0:
+; GFNIAVX2-NEXT:    vpcmpeqd %ymm2, %ymm2, %ymm2
+; GFNIAVX2-NEXT:    vpaddb %ymm2, %ymm0, %ymm3
+; GFNIAVX2-NEXT:    vpandn %ymm3, %ymm0, %ymm0
+; GFNIAVX2-NEXT:    vpbroadcastb {{.*#+}} ymm3 = [15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15]
+; GFNIAVX2-NEXT:    vpand %ymm3, %ymm0, %ymm4
+; GFNIAVX2-NEXT:    vbroadcasti128 {{.*#+}} ymm5 = [0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4,0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4]
+; GFNIAVX2-NEXT:    # ymm5 = mem[0,1,0,1]
+; GFNIAVX2-NEXT:    vpshufb %ymm4, %ymm5, %ymm4
+; GFNIAVX2-NEXT:    vpbroadcastq {{.*#+}} ymm6 = [0,0,0,0,128,64,32,16,0,0,0,0,128,64,32,16,0,0,0,0,128,64,32,16,0,0,0,0,128,64,32,16]
+; GFNIAVX2-NEXT:    vgf2p8affineqb $0, %ymm6, %ymm0, %ymm0
+; GFNIAVX2-NEXT:    vpshufb %ymm0, %ymm5, %ymm0
+; GFNIAVX2-NEXT:    vpaddb %ymm4, %ymm0, %ymm0
+; GFNIAVX2-NEXT:    vpaddb %ymm2, %ymm1, %ymm2
+; GFNIAVX2-NEXT:    vpandn %ymm2, %ymm1, %ymm1
+; GFNIAVX2-NEXT:    vpand %ymm3, %ymm1, %ymm2
+; GFNIAVX2-NEXT:    vpshufb %ymm2, %ymm5, %ymm2
+; GFNIAVX2-NEXT:    vgf2p8affineqb $0, %ymm6, %ymm1, %ymm1
+; GFNIAVX2-NEXT:    vpshufb %ymm1, %ymm5, %ymm1
+; GFNIAVX2-NEXT:    vpaddb %ymm2, %ymm1, %ymm1
+; GFNIAVX2-NEXT:    retq
+;
+; GFNIAVX512VL-LABEL: testv64i8:
+; GFNIAVX512VL:       # %bb.0:
+; GFNIAVX512VL-NEXT:    vextracti64x4 $1, %zmm0, %ymm1
+; GFNIAVX512VL-NEXT:    vpcmpeqd %ymm2, %ymm2, %ymm2
+; GFNIAVX512VL-NEXT:    vpaddb %ymm2, %ymm1, %ymm3
+; GFNIAVX512VL-NEXT:    vpandn %ymm3, %ymm1, %ymm1
+; GFNIAVX512VL-NEXT:    vpbroadcastd {{.*#+}} ymm3 = [15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15]
+; GFNIAVX512VL-NEXT:    vpand %ymm3, %ymm1, %ymm4
+; GFNIAVX512VL-NEXT:    vbroadcasti128 {{.*#+}} ymm5 = [0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4,0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4]
+; GFNIAVX512VL-NEXT:    # ymm5 = mem[0,1,0,1]
+; GFNIAVX512VL-NEXT:    vpshufb %ymm4, %ymm5, %ymm4
+; GFNIAVX512VL-NEXT:    vpbroadcastq {{.*#+}} ymm6 = [0,0,0,0,128,64,32,16,0,0,0,0,128,64,32,16,0,0,0,0,128,64,32,16,0,0,0,0,128,64,32,16]
+; GFNIAVX512VL-NEXT:    vgf2p8affineqb $0, %ymm6, %ymm1, %ymm1
+; GFNIAVX512VL-NEXT:    vpshufb %ymm1, %ymm5, %ymm1
+; GFNIAVX512VL-NEXT:    vpaddb %ymm4, %ymm1, %ymm1
+; GFNIAVX512VL-NEXT:    vpaddb %ymm2, %ymm0, %ymm2
+; GFNIAVX512VL-NEXT:    vpandn %ymm2, %ymm0, %ymm0
+; GFNIAVX512VL-NEXT:    vpand %ymm3, %ymm0, %ymm2
+; GFNIAVX512VL-NEXT:    vpshufb %ymm2, %ymm5, %ymm2
+; GFNIAVX512VL-NEXT:    vgf2p8affineqb $0, %ymm6, %ymm0, %ymm0
+; GFNIAVX512VL-NEXT:    vpshufb %ymm0, %ymm5, %ymm0
+; GFNIAVX512VL-NEXT:    vpaddb %ymm2, %ymm0, %ymm0
+; GFNIAVX512VL-NEXT:    vinserti64x4 $1, %ymm1, %zmm0, %zmm0
+; GFNIAVX512VL-NEXT:    retq
+;
+; GFNIAVX512BW-LABEL: testv64i8:
+; GFNIAVX512BW:       # %bb.0:
+; GFNIAVX512BW-NEXT:    vpternlogd {{.*#+}} zmm1 = -1
+; GFNIAVX512BW-NEXT:    vpaddb %zmm1, %zmm0, %zmm1
+; GFNIAVX512BW-NEXT:    vpandnq %zmm1, %zmm0, %zmm0
+; GFNIAVX512BW-NEXT:    vpandd {{\.?LCPI[0-9]+_[0-9]+}}(%rip){1to16}, %zmm0, %zmm1
+; GFNIAVX512BW-NEXT:    vbroadcasti32x4 {{.*#+}} zmm2 = [0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4,0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4,0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4,0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4]
+; GFNIAVX512BW-NEXT:    # zmm2 = mem[0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3]
+; GFNIAVX512BW-NEXT:    vpshufb %zmm1, %zmm2, %zmm1
+; GFNIAVX512BW-NEXT:    vgf2p8affineqb $0, {{\.?LCPI[0-9]+_[0-9]+}}(%rip){1to8}, %zmm0, %zmm0
+; GFNIAVX512BW-NEXT:    vpshufb %zmm0, %zmm2, %zmm0
+; GFNIAVX512BW-NEXT:    vpaddb %zmm1, %zmm0, %zmm0
+; GFNIAVX512BW-NEXT:    retq
+  %out = call <64 x i8> @llvm.cttz.v64i8(<64 x i8> %in, i1 0)
+  ret <64 x i8> %out
+}
+
+define <64 x i8> @testv64i8u(<64 x i8> %in) nounwind {
+; GFNISSE-LABEL: testv64i8u:
+; GFNISSE:       # %bb.0:
+; GFNISSE-NEXT:    movdqa %xmm1, %xmm5
+; GFNISSE-NEXT:    movdqa %xmm0, %xmm1
+; GFNISSE-NEXT:    pcmpeqd %xmm6, %xmm6
+; GFNISSE-NEXT:    paddb %xmm6, %xmm0
+; GFNISSE-NEXT:    pandn %xmm0, %xmm1
+; GFNISSE-NEXT:    movdqa {{.*#+}} xmm7 = [15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15]
+; GFNISSE-NEXT:    movdqa %xmm1, %xmm0
+; GFNISSE-NEXT:    pand %xmm7, %xmm0
+; GFNISSE-NEXT:    movdqa {{.*#+}} xmm4 = [0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4]
+; GFNISSE-NEXT:    movdqa %xmm4, %xmm9
+; GFNISSE-NEXT:    pshufb %xmm0, %xmm9
+; GFNISSE-NEXT:    movdqa {{.*#+}} xmm8 = [0,0,0,0,128,64,32,16,0,0,0,0,128,64,32,16]
+; GFNISSE-NEXT:    gf2p8affineqb $0, %xmm8, %xmm1
+; GFNISSE-NEXT:    movdqa %xmm4, %xmm0
+; GFNISSE-NEXT:    pshufb %xmm1, %xmm0
+; GFNISSE-NEXT:    paddb %xmm9, %xmm0
+; GFNISSE-NEXT:    movdqa %xmm5, %xmm1
+; GFNISSE-NEXT:    paddb %xmm6, %xmm1
+; GFNISSE-NEXT:    pandn %xmm1, %xmm5
+; GFNISSE-NEXT:    movdqa %xmm5, %xmm1
+; GFNISSE-NEXT:    pand %xmm7, %xmm1
+; GFNISSE-NEXT:    movdqa %xmm4, %xmm9
+; GFNISSE-NEXT:    pshufb %xmm1, %xmm9
+; GFNISSE-NEXT:    gf2p8affineqb $0, %xmm8, %xmm5
+; GFNISSE-NEXT:    movdqa %xmm4, %xmm1
+; GFNISSE-NEXT:    pshufb %xmm5, %xmm1
+; GFNISSE-NEXT:    paddb %xmm9, %xmm1
+; GFNISSE-NEXT:    movdqa %xmm2, %xmm5
+; GFNISSE-NEXT:    paddb %xmm6, %xmm5
+; GFNISSE-NEXT:    pandn %xmm5, %xmm2
+; GFNISSE-NEXT:    movdqa %xmm2, %xmm5
+; GFNISSE-NEXT:    pand %xmm7, %xmm5
+; GFNISSE-NEXT:    movdqa %xmm4, %xmm9
+; GFNISSE-NEXT:    pshufb %xmm5, %xmm9
+; GFNISSE-NEXT:    gf2p8affineqb $0, %xmm8, %xmm2
+; GFNISSE-NEXT:    movdqa %xmm4, %xmm5
+; GFNISSE-NEXT:    pshufb %xmm2, %xmm5
+; GFNISSE-NEXT:    paddb %xmm9, %xmm5
+; GFNISSE-NEXT:    paddb %xmm3, %xmm6
+; GFNISSE-NEXT:    pandn %xmm6, %xmm3
+; GFNISSE-NEXT:    pand %xmm3, %xmm7
+; GFNISSE-NEXT:    movdqa %xmm4, %xmm2
+; GFNISSE-NEXT:    pshufb %xmm7, %xmm2
+; GFNISSE-NEXT:    gf2p8affineqb $0, %xmm8, %xmm3
+; GFNISSE-NEXT:    pshufb %xmm3, %xmm4
+; GFNISSE-NEXT:    paddb %xmm2, %xmm4
+; GFNISSE-NEXT:    movdqa %xmm5, %xmm2
+; GFNISSE-NEXT:    movdqa %xmm4, %xmm3
+; GFNISSE-NEXT:    retq
+;
+; GFNIAVX1-LABEL: testv64i8u:
+; GFNIAVX1:       # %bb.0:
+; GFNIAVX1-NEXT:    vextractf128 $1, %ymm0, %xmm2
+; GFNIAVX1-NEXT:    vpcmpeqd %xmm3, %xmm3, %xmm3
+; GFNIAVX1-NEXT:    vpaddb %xmm3, %xmm2, %xmm4
+; GFNIAVX1-NEXT:    vpandn %xmm4, %xmm2, %xmm2
+; GFNIAVX1-NEXT:    vbroadcastss {{.*#+}} xmm4 = [15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15]
+; GFNIAVX1-NEXT:    vpand %xmm4, %xmm2, %xmm5
+; GFNIAVX1-NEXT:    vmovdqa {{.*#+}} xmm6 = [0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4]
+; GFNIAVX1-NEXT:    vpshufb %xmm5, %xmm6, %xmm5
+; GFNIAVX1-NEXT:    vmovddup {{.*#+}} xmm7 = [0,0,0,0,128,64,32,16,0,0,0,0,128,64,32,16]
+; GFNIAVX1-NEXT:    # xmm7 = mem[0,0]
+; GFNIAVX1-NEXT:    vgf2p8affineqb $0, %xmm7, %xmm2, %xmm2
+; GFNIAVX1-NEXT:    vpshufb %xmm2, %xmm6, %xmm2
+; GFNIAVX1-NEXT:    vpaddb %xmm5, %xmm2, %xmm2
+; GFNIAVX1-NEXT:    vpaddb %xmm3, %xmm0, %xmm5
+; GFNIAVX1-NEXT:    vpandn %xmm5, %xmm0, %xmm0
+; GFNIAVX1-NEXT:    vpand %xmm4, %xmm0, %xmm5
+; GFNIAVX1-NEXT:    vpshufb %xmm5, %xmm6, %xmm5
+; GFNIAVX1-NEXT:    vgf2p8affineqb $0, %xmm7, %xmm0, %xmm0
+; GFNIAVX1-NEXT:    vpshufb %xmm0, %xmm6, %xmm0
+; GFNIAVX1-NEXT:    vpaddb %xmm5, %xmm0, %xmm0
+; GFNIAVX1-NEXT:    vinsertf128 $1, %xmm2, %ymm0, %ymm0
+; GFNIAVX1-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; GFNIAVX1-NEXT:    vpaddb %xmm3, %xmm2, %xmm5
+; GFNIAVX1-NEXT:    vpandn %xmm5, %xmm2, %xmm2
+; GFNIAVX1-NEXT:    vpand %xmm4, %xmm2, %xmm5
+; GFNIAVX1-NEXT:    vpshufb %xmm5, %xmm6, %xmm5
+; GFNIAVX1-NEXT:    vgf2p8affineqb $0, %xmm7, %xmm2, %xmm2
+; GFNIAVX1-NEXT:    vpshufb %xmm2, %xmm6, %xmm2
+; GFNIAVX1-NEXT:    vpaddb %xmm5, %xmm2, %xmm2
+; GFNIAVX1-NEXT:    vpaddb %xmm3, %xmm1, %xmm3
+; GFNIAVX1-NEXT:    vpandn %xmm3, %xmm1, %xmm1
+; GFNIAVX1-NEXT:    vpand %xmm4, %xmm1, %xmm3
+; GFNIAVX1-NEXT:    vpshufb %xmm3, %xmm6, %xmm3
+; GFNIAVX1-NEXT:    vgf2p8affineqb $0, %xmm7, %xmm1, %xmm1
+; GFNIAVX1-NEXT:    vpshufb %xmm1, %xmm6, %xmm1
+; GFNIAVX1-NEXT:    vpaddb %xmm3, %xmm1, %xmm1
+; GFNIAVX1-NEXT:    vinsertf128 $1, %xmm2, %ymm1, %ymm1
+; GFNIAVX1-NEXT:    retq
+;
+; GFNIAVX2-LABEL: testv64i8u:
+; GFNIAVX2:       # %bb.0:
+; GFNIAVX2-NEXT:    vpcmpeqd %ymm2, %ymm2, %ymm2
+; GFNIAVX2-NEXT:    vpaddb %ymm2, %ymm0, %ymm3
+; GFNIAVX2-NEXT:    vpandn %ymm3, %ymm0, %ymm0
+; GFNIAVX2-NEXT:    vpbroadcastb {{.*#+}} ymm3 = [15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15]
+; GFNIAVX2-NEXT:    vpand %ymm3, %ymm0, %ymm4
+; GFNIAVX2-NEXT:    vbroadcasti128 {{.*#+}} ymm5 = [0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4,0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4]
+; GFNIAVX2-NEXT:    # ymm5 = mem[0,1,0,1]
+; GFNIAVX2-NEXT:    vpshufb %ymm4, %ymm5, %ymm4
+; GFNIAVX2-NEXT:    vpbroadcastq {{.*#+}} ymm6 = [0,0,0,0,128,64,32,16,0,0,0,0,128,64,32,16,0,0,0,0,128,64,32,16,0,0,0,0,128,64,32,16]
+; GFNIAVX2-NEXT:    vgf2p8affineqb $0, %ymm6, %ymm0, %ymm0
+; GFNIAVX2-NEXT:    vpshufb %ymm0, %ymm5, %ymm0
+; GFNIAVX2-NEXT:    vpaddb %ymm4, %ymm0, %ymm0
+; GFNIAVX2-NEXT:    vpaddb %ymm2, %ymm1, %ymm2
+; GFNIAVX2-NEXT:    vpandn %ymm2, %ymm1, %ymm1
+; GFNIAVX2-NEXT:    vpand %ymm3, %ymm1, %ymm2
+; GFNIAVX2-NEXT:    vpshufb %ymm2, %ymm5, %ymm2
+; GFNIAVX2-NEXT:    vgf2p8affineqb $0, %ymm6, %ymm1, %ymm1
+; GFNIAVX2-NEXT:    vpshufb %ymm1, %ymm5, %ymm1
+; GFNIAVX2-NEXT:    vpaddb %ymm2, %ymm1, %ymm1
+; GFNIAVX2-NEXT:    retq
+;
+; GFNIAVX512VL-LABEL: testv64i8u:
+; GFNIAVX512VL:       # %bb.0:
+; GFNIAVX512VL-NEXT:    vextracti64x4 $1, %zmm0, %ymm1
+; GFNIAVX512VL-NEXT:    vpcmpeqd %ymm2, %ymm2, %ymm2
+; GFNIAVX512VL-NEXT:    vpaddb %ymm2, %ymm1, %ymm3
+; GFNIAVX512VL-NEXT:    vpandn %ymm3, %ymm1, %ymm1
+; GFNIAVX512VL-NEXT:    vpbroadcastd {{.*#+}} ymm3 = [15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15]
+; GFNIAVX512VL-NEXT:    vpand %ymm3, %ymm1, %ymm4
+; GFNIAVX512VL-NEXT:    vbroadcasti128 {{.*#+}} ymm5 = [0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4,0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4]
+; GFNIAVX512VL-NEXT:    # ymm5 = mem[0,1,0,1]
+; GFNIAVX512VL-NEXT:    vpshufb %ymm4, %ymm5, %ymm4
+; GFNIAVX512VL-NEXT:    vpbroadcastq {{.*#+}} ymm6 = [0,0,0,0,128,64,32,16,0,0,0,0,128,64,32,16,0,0,0,0,128,64,32,16,0,0,0,0,128,64,32,16]
+; GFNIAVX512VL-NEXT:    vgf2p8affineqb $0, %ymm6, %ymm1, %ymm1
+; GFNIAVX512VL-NEXT:    vpshufb %ymm1, %ymm5, %ymm1
+; GFNIAVX512VL-NEXT:    vpaddb %ymm4, %ymm1, %ymm1
+; GFNIAVX512VL-NEXT:    vpaddb %ymm2, %ymm0, %ymm2
+; GFNIAVX512VL-NEXT:    vpandn %ymm2, %ymm0, %ymm0
+; GFNIAVX512VL-NEXT:    vpand %ymm3, %ymm0, %ymm2
+; GFNIAVX512VL-NEXT:    vpshufb %ymm2, %ymm5, %ymm2
+; GFNIAVX512VL-NEXT:    vgf2p8affineqb $0, %ymm6, %ymm0, %ymm0
+; GFNIAVX512VL-NEXT:    vpshufb %ymm0, %ymm5, %ymm0
+; GFNIAVX512VL-NEXT:    vpaddb %ymm2, %ymm0, %ymm0
+; GFNIAVX512VL-NEXT:    vinserti64x4 $1, %ymm1, %zmm0, %zmm0
+; GFNIAVX512VL-NEXT:    retq
+;
+; GFNIAVX512BW-LABEL: testv64i8u:
+; GFNIAVX512BW:       # %bb.0:
+; GFNIAVX512BW-NEXT:    vpternlogd {{.*#+}} zmm1 = -1
+; GFNIAVX512BW-NEXT:    vpaddb %zmm1, %zmm0, %zmm1
+; GFNIAVX512BW-NEXT:    vpandnq %zmm1, %zmm0, %zmm0
+; GFNIAVX512BW-NEXT:    vpandd {{\.?LCPI[0-9]+_[0-9]+}}(%rip){1to16}, %zmm0, %zmm1
+; GFNIAVX512BW-NEXT:    vbroadcasti32x4 {{.*#+}} zmm2 = [0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4,0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4,0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4,0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4]
+; GFNIAVX512BW-NEXT:    # zmm2 = mem[0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3]
+; GFNIAVX512BW-NEXT:    vpshufb %zmm1, %zmm2, %zmm1
+; GFNIAVX512BW-NEXT:    vgf2p8affineqb $0, {{\.?LCPI[0-9]+_[0-9]+}}(%rip){1to8}, %zmm0, %zmm0
+; GFNIAVX512BW-NEXT:    vpshufb %zmm0, %zmm2, %zmm0
+; GFNIAVX512BW-NEXT:    vpaddb %zmm1, %zmm0, %zmm0
+; GFNIAVX512BW-NEXT:    retq
+  %out = call <64 x i8> @llvm.cttz.v64i8(<64 x i8> %in, i1 -1)
+  ret <64 x i8> %out
+}
+;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
+; GFNIAVX: {{.*}}


        


More information about the llvm-commits mailing list