1 files changed, 63 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/LoongArch/lsx/ctpop-ctlz.ll b/llvm/test/CodeGen/LoongArch/lsx/ctpop-ctlz.ll
index a9a38e8..6ac7d51 100644
--- a/llvm/test/CodeGen/LoongArch/lsx/ctpop-ctlz.ll
+++ b/llvm/test/CodeGen/LoongArch/lsx/ctpop-ctlz.ll
@@ -106,6 +106,69 @@ define void @ctlz_v2i64(ptr %src, ptr %dst) nounwind {
   ret void
 }
 
+define void @not_ctlz_v16i8(ptr %src, ptr %dst) nounwind {
+; CHECK-LABEL: not_ctlz_v16i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vld $vr0, $a0, 0
+; CHECK-NEXT:    vxori.b $vr0, $vr0, 255
+; CHECK-NEXT:    vclz.b $vr0, $vr0
+; CHECK-NEXT:    vst $vr0, $a1, 0
+; CHECK-NEXT:    ret
+  %v = load <16 x i8>, ptr %src
+  %neg = xor <16 x i8> %v, <i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1>
+  %res = call <16 x i8> @llvm.ctlz.v16i8(<16 x i8> %neg, i1 false)
+  store <16 x i8> %res, ptr %dst
+  ret void
+}
+
+define void @not_ctlz_v8i16(ptr %src, ptr %dst) nounwind {
+; CHECK-LABEL: not_ctlz_v8i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vld $vr0, $a0, 0
+; CHECK-NEXT:    vrepli.b $vr1, -1
+; CHECK-NEXT:    vxor.v $vr0, $vr0, $vr1
+; CHECK-NEXT:    vclz.h $vr0, $vr0
+; CHECK-NEXT:    vst $vr0, $a1, 0
+; CHECK-NEXT:    ret
+  %v = load <8 x i16>, ptr %src
+  %neg = xor <8 x i16> %v, <i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1>
+  %res = call <8 x i16> @llvm.ctlz.v8i16(<8 x i16> %neg, i1 false)
+  store <8 x i16> %res, ptr %dst
+  ret void
+}
+
+define void @not_ctlz_v4i32(ptr %src, ptr %dst) nounwind {
+; CHECK-LABEL: not_ctlz_v4i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vld $vr0, $a0, 0
+; CHECK-NEXT:    vrepli.b $vr1, -1
+; CHECK-NEXT:    vxor.v $vr0, $vr0, $vr1
+; CHECK-NEXT:    vclz.w $vr0, $vr0
+; CHECK-NEXT:    vst $vr0, $a1, 0
+; CHECK-NEXT:    ret
+  %v = load <4 x i32>, ptr %src
+  %neg = xor <4 x i32> %v, <i32 -1, i32 -1, i32 -1, i32 -1>
+  %res = call <4 x i32> @llvm.ctlz.v4i32(<4 x i32> %neg, i1 false)
+  store <4 x i32> %res, ptr %dst
+  ret void
+}
+
+define void @not_ctlz_v2i64(ptr %src, ptr %dst) nounwind {
+; CHECK-LABEL: not_ctlz_v2i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vld $vr0, $a0, 0
+; CHECK-NEXT:    vrepli.b $vr1, -1
+; CHECK-NEXT:    vxor.v $vr0, $vr0, $vr1
+; CHECK-NEXT:    vclz.d $vr0, $vr0
+; CHECK-NEXT:    vst $vr0, $a1, 0
+; CHECK-NEXT:    ret
+  %v = load <2 x i64>, ptr %src
+  %neg = xor <2 x i64> %v, <i64 -1, i64 -1>
+  %res = call <2 x i64> @llvm.ctlz.v2i64(<2 x i64> %neg, i1 false)
+  store <2 x i64> %res, ptr %dst
+  ret void
+}
+
 declare <16 x i8> @llvm.ctpop.v16i8(<16 x i8>)
 declare <8 x i16> @llvm.ctpop.v8i16(<8 x i16>)
 declare <4 x i32> @llvm.ctpop.v4i32(<4 x i32>)