[RISCV] Add Zvfh tests for vp.splice. NFC

Author: topperc

llvm/test/CodeGen/RISCV/rvv/vp-splice-fixed-vectors.ll renamed to llvm/test/CodeGen/RISCV/rvv/fixed-vectors-vp-splice.ll

@@ -1,15 +1,7 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
-; RUN: llc -mtriple riscv64 -mattr=+f,+d,+v -verify-machineinstrs -riscv-v-vector-bits-min=128 \
+; RUN: llc -mtriple riscv64 -mattr=+f,+d,+v,+zvfh -verify-machineinstrs -riscv-v-vector-bits-min=128 \
 ; RUN:   < %s | FileCheck %s
 
-declare <2 x i64> @llvm.experimental.vp.splice.v2i64(<2 x i64>, <2 x i64>, i32, <2 x i1>, i32, i32)
-declare <4 x i32> @llvm.experimental.vp.splice.v4i32(<4 x i32>, <4 x i32>, i32, <4 x i1>, i32, i32)
-declare <8 x i16> @llvm.experimental.vp.splice.v8i16(<8 x i16>, <8 x i16>, i32, <8 x i1>, i32, i32)
-declare <16 x i8> @llvm.experimental.vp.splice.v16i8(<16 x i8>, <16 x i8>, i32, <16 x i1>, i32, i32)
-
-declare <2 x double> @llvm.experimental.vp.splice.v2f64(<2 x double>, <2 x double>, i32, <2 x i1>, i32, i32)
-declare <4 x float> @llvm.experimental.vp.splice.v4f32(<4 x float>, <4 x float>, i32, <4 x i1>, i32, i32)
-
 define <2 x i64> @test_vp_splice_v2i64(<2 x i64> %va, <2 x i64> %vb, i32 zeroext %evla, i32 zeroext %evlb) {
 ; CHECK-LABEL: test_vp_splice_v2i64:
 ; CHECK:       # %bb.0:
@@ -255,3 +247,44 @@ define <4 x float> @test_vp_splice_v4f32_masked(<4 x float> %va, <4 x float> %vb
   %v = call <4 x float> @llvm.experimental.vp.splice.v4f32(<4 x float> %va, <4 x float> %vb, i32 5, <4 x i1> %mask, i32 %evla, i32 %evlb)
   ret <4 x float> %v
 }
+
+define <8 x half> @test_vp_splice_v8f16(<8 x half> %va, <8 x half> %vb, i32 zeroext %evla, i32 zeroext %evlb) {
+; CHECK-LABEL: test_vp_splice_v8f16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, a0, -5
+; CHECK-NEXT:    vsetvli zero, a0, e16, m1, ta, ma
+; CHECK-NEXT:    vslidedown.vi v8, v8, 5
+; CHECK-NEXT:    vsetvli zero, a1, e16, m1, ta, ma
+; CHECK-NEXT:    vslideup.vx v8, v9, a0
+; CHECK-NEXT:    ret
+
+  %v = call <8 x half> @llvm.experimental.vp.splice.v8f16(<8 x half> %va, <8 x half> %vb, i32 5, <8 x i1> splat (i1 1), i32 %evla, i32 %evlb)
+  ret <8 x half> %v
+}
+
+define <8 x half> @test_vp_splice_v8f16_negative_offset(<8 x half> %va, <8 x half> %vb, i32 zeroext %evla, i32 zeroext %evlb) {
+; CHECK-LABEL: test_vp_splice_v8f16_negative_offset:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, a0, -5
+; CHECK-NEXT:    vsetivli zero, 5, e16, m1, ta, ma
+; CHECK-NEXT:    vslidedown.vx v8, v8, a0
+; CHECK-NEXT:    vsetvli zero, a1, e16, m1, ta, ma
+; CHECK-NEXT:    vslideup.vi v8, v9, 5
+; CHECK-NEXT:    ret
+
+  %v = call <8 x half> @llvm.experimental.vp.splice.v8f16(<8 x half> %va, <8 x half> %vb, i32 -5, <8 x i1> splat (i1 1), i32 %evla, i32 %evlb)
+  ret <8 x half> %v
+}
+
+define <8 x half> @test_vp_splice_v8f16_masked(<8 x half> %va, <8 x half> %vb, <8 x i1> %mask, i32 zeroext %evla, i32 zeroext %evlb) {
+; CHECK-LABEL: test_vp_splice_v8f16_masked:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi a0, a0, -5
+; CHECK-NEXT:    vsetvli zero, a0, e16, m1, ta, ma
+; CHECK-NEXT:    vslidedown.vi v8, v8, 5, v0.t
+; CHECK-NEXT:    vsetvli zero, a1, e16, m1, ta, mu
+; CHECK-NEXT:    vslideup.vx v8, v9, a0, v0.t
+; CHECK-NEXT:    ret
+  %v = call <8 x half> @llvm.experimental.vp.splice.v8f16(<8 x half> %va, <8 x half> %vb, i32 5, <8 x i1> %mask, i32 %evla, i32 %evlb)
+  ret <8 x half> %v
+}