Index: llvm/test/CodeGen/AArch64/sve-intrinsics-fp-arith-merging.ll
===================================================================
--- llvm/test/CodeGen/AArch64/sve-intrinsics-fp-arith-merging.ll
+++ llvm/test/CodeGen/AArch64/sve-intrinsics-fp-arith-merging.ll
@@ -4,6 +4,18 @@
 ; FADD
 ;
 
+define <vscale x 8 x half> @fadd_h(<vscale x 8 x i1> %pg, <vscale x 8 x half> %a, <vscale x 8 x half> %b) {
+; CHECK-LABEL: fadd_h:
+; CHECK:      movprfx z0.h, p0/z, z0.h
+; CHECK-NEXT: fadd z0.h, p0/m, z0.h, z1.h
+; CHECK-NEXT: ret
+  %a_z = select <vscale x 8 x i1> %pg, <vscale x 8 x half> %a, <vscale x 8 x half> zeroinitializer
+  %out = call <vscale x 8 x half> @llvm.aarch64.sve.fadd.nxv8f16(<vscale x 8 x i1> %pg,
+                                                            <vscale x 8 x half> %a_z,
+                                                            <vscale x 8 x half> %b)
+  ret <vscale x 8 x half> %out
+}
+
 define <vscale x 4 x float> @fadd_s(<vscale x 4 x i1> %pg, <vscale x 4 x float> %a, <vscale x 4 x float> %b) {
 ; CHECK-LABEL: fadd_s:
 ; CHECK:      movprfx z0.s, p0/z, z0.s
@@ -32,6 +44,18 @@
 ; FMAX
 ;
 
+define <vscale x 8 x half> @fmax_h(<vscale x 8 x i1> %pg, <vscale x 8 x half> %a, <vscale x 8 x half> %b) {
+; CHECK-LABEL: fmax_h:
+; CHECK:      movprfx z0.h, p0/z, z0.h
+; CHECK-NEXT: fmax z0.h, p0/m, z0.h, z1.h
+; CHECK-NEXT: ret
+  %a_z = select <vscale x 8 x i1> %pg, <vscale x 8 x half> %a, <vscale x 8 x half> zeroinitializer
+  %out = call <vscale x 8 x half> @llvm.aarch64.sve.fmax.nxv8f16(<vscale x 8 x i1> %pg,
+                                                            <vscale x 8 x half> %a_z,
+                                                            <vscale x 8 x half> %b)
+  ret <vscale x 8 x half> %out
+}
+
 define <vscale x 4 x float> @fmax_s(<vscale x 4 x i1> %pg, <vscale x 4 x float> %a, <vscale x 4 x float> %b) {
 ; CHECK-LABEL: fmax_s:
 ; CHECK:      movprfx z0.s, p0/z, z0.s
@@ -60,6 +84,18 @@
 ; FMAXNM
 ;
 
+define <vscale x 8 x half> @fmaxnm_h(<vscale x 8 x i1> %pg, <vscale x 8 x half> %a, <vscale x 8 x half> %b) {
+; CHECK-LABEL: fmaxnm_h:
+; CHECK:      movprfx z0.h, p0/z, z0.h
+; CHECK-NEXT: fmaxnm z0.h, p0/m, z0.h, z1.h
+; CHECK-NEXT: ret
+  %a_z = select <vscale x 8 x i1> %pg, <vscale x 8 x half> %a, <vscale x 8 x half> zeroinitializer
+  %out = call <vscale x 8 x half> @llvm.aarch64.sve.fmaxnm.nxv8f16(<vscale x 8 x i1> %pg,
+                                                              <vscale x 8 x half> %a_z,
+                                                              <vscale x 8 x half> %b)
+  ret <vscale x 8 x half> %out
+}
+
 define <vscale x 4 x float> @fmaxnm_s(<vscale x 4 x i1> %pg, <vscale x 4 x float> %a, <vscale x 4 x float> %b) {
 ; CHECK-LABEL: fmaxnm_s:
 ; CHECK:      movprfx z0.s, p0/z, z0.s
@@ -88,6 +124,18 @@
 ; FMIN
 ;
 
+define <vscale x 8 x half> @fmin_h(<vscale x 8 x i1> %pg, <vscale x 8 x half> %a, <vscale x 8 x half> %b) {
+; CHECK-LABEL: fmin_h:
+; CHECK:      movprfx z0.h, p0/z, z0.h
+; CHECK-NEXT: fmin z0.h, p0/m, z0.h, z1.h
+; CHECK-NEXT: ret
+  %a_z = select <vscale x 8 x i1> %pg, <vscale x 8 x half> %a, <vscale x 8 x half> zeroinitializer
+  %out = call <vscale x 8 x half> @llvm.aarch64.sve.fmin.nxv8f16(<vscale x 8 x i1> %pg,
+                                                            <vscale x 8 x half> %a_z,
+                                                            <vscale x 8 x half> %b)
+  ret <vscale x 8 x half> %out
+}
+
 define <vscale x 4 x float> @fmin_s(<vscale x 4 x i1> %pg, <vscale x 4 x float> %a, <vscale x 4 x float> %b) {
 ; CHECK-LABEL: fmin_s:
 ; CHECK:      movprfx z0.s, p0/z, z0.s
@@ -116,6 +164,18 @@
 ; FMINNM
 ;
 
+define <vscale x 8 x half> @fminnm_h(<vscale x 8 x i1> %pg, <vscale x 8 x half> %a, <vscale x 8 x half> %b) {
+; CHECK-LABEL: fminnm_h:
+; CHECK:      movprfx z0.h, p0/z, z0.h
+; CHECK-NEXT: fminnm z0.h, p0/m, z0.h, z1.h
+; CHECK-NEXT: ret
+  %a_z = select <vscale x 8 x i1> %pg, <vscale x 8 x half> %a, <vscale x 8 x half> zeroinitializer
+  %out = call <vscale x 8 x half> @llvm.aarch64.sve.fminnm.nxv8f16(<vscale x 8 x i1> %pg,
+                                                              <vscale x 8 x half> %a_z,
+                                                              <vscale x 8 x half> %b)
+  ret <vscale x 8 x half> %out
+}
+
 define <vscale x 4 x float> @fminnm_s(<vscale x 4 x i1> %pg, <vscale x 4 x float> %a, <vscale x 4 x float> %b) {
 ; CHECK-LABEL: fminnm_s:
 ; CHECK:      movprfx z0.s, p0/z, z0.s
@@ -144,6 +204,18 @@
 ; FMUL
 ;
 
+define <vscale x 8 x half> @fmul_h(<vscale x 8 x i1> %pg, <vscale x 8 x half> %a, <vscale x 8 x half> %b) {
+; CHECK-LABEL: fmul_h:
+; CHECK:      movprfx z0.h, p0/z, z0.h
+; CHECK-NEXT: fmul z0.h, p0/m, z0.h, z1.h
+; CHECK-NEXT: ret
+  %a_z = select <vscale x 8 x i1> %pg, <vscale x 8 x half> %a, <vscale x 8 x half> zeroinitializer
+  %out = call <vscale x 8 x half> @llvm.aarch64.sve.fmul.nxv8f16(<vscale x 8 x i1> %pg,
+                                                            <vscale x 8 x half> %a_z,
+                                                            <vscale x 8 x half> %b)
+  ret <vscale x 8 x half> %out
+}
+
 define <vscale x 4 x float> @fmul_s(<vscale x 4 x i1> %pg, <vscale x 4 x float> %a, <vscale x 4 x float> %b) {
 ; CHECK-LABEL: fmul_s:
 ; CHECK:      movprfx z0.s, p0/z, z0.s
@@ -172,6 +244,18 @@
 ; FSUB
 ;
 
+define <vscale x 8 x half> @fsub_h(<vscale x 8 x i1> %pg, <vscale x 8 x half> %a, <vscale x 8 x half> %b) {
+; CHECK-LABEL: fsub_h:
+; CHECK:      movprfx z0.h, p0/z, z0.h
+; CHECK-NEXT: fsub z0.h, p0/m, z0.h, z1.h
+; CHECK-NEXT: ret
+  %a_z = select <vscale x 8 x i1> %pg, <vscale x 8 x half> %a, <vscale x 8 x half> zeroinitializer
+  %out = call <vscale x 8 x half> @llvm.aarch64.sve.fsub.nxv8f16(<vscale x 8 x i1> %pg,
+                                                            <vscale x 8 x half> %a_z,
+                                                            <vscale x 8 x half> %b)
+  ret <vscale x 8 x half> %out
+}
+
 define <vscale x 4 x float> @fsub_s(<vscale x 4 x i1> %pg, <vscale x 4 x float> %a, <vscale x 4 x float> %b) {
 ; CHECK-LABEL: fsub_s:
 ; CHECK:      movprfx z0.s, p0/z, z0.s
@@ -200,6 +284,18 @@
 ; FSUBR
 ;
 
+define <vscale x 8 x half> @fsubr_h(<vscale x 8 x i1> %pg, <vscale x 8 x half> %a, <vscale x 8 x half> %b) {
+; CHECK-LABEL: fsubr_h:
+; CHECK:      movprfx z0.h, p0/z, z0.h
+; CHECK-NEXT: fsubr z0.h, p0/m, z0.h, z1.h
+; CHECK-NEXT: ret
+  %a_z = select <vscale x 8 x i1> %pg, <vscale x 8 x half> %a, <vscale x 8 x half> zeroinitializer
+  %out = call <vscale x 8 x half> @llvm.aarch64.sve.fsubr.nxv8f16(<vscale x 8 x i1> %pg,
+                                                             <vscale x 8 x half> %a_z,
+                                                             <vscale x 8 x half> %b)
+  ret <vscale x 8 x half> %out
+}
+
 define <vscale x 4 x float> @fsubr_s(<vscale x 4 x i1> %pg, <vscale x 4 x float> %a, <vscale x 4 x float> %b) {
 ; CHECK-LABEL: fsubr_s:
 ; CHECK:      movprfx z0.s, p0/z, z0.s
@@ -224,38 +320,50 @@
   ret <vscale x 2 x double> %out
 }
 
+declare <vscale x 8 x half> @llvm.aarch64.sve.fabd.nxv8f16(<vscale x 8 x i1>, <vscale x 8 x half>, <vscale x 8 x half>)
 declare <vscale x 4 x float> @llvm.aarch64.sve.fabd.nxv4f32(<vscale x 4 x i1>, <vscale x 4 x float>, <vscale x 4 x float>)
 declare <vscale x 2 x double> @llvm.aarch64.sve.fabd.nxv2f64(<vscale x 2 x i1>, <vscale x 2 x double>, <vscale x 2 x double>)
 
+declare <vscale x 8 x half> @llvm.aarch64.sve.fadd.nxv8f16(<vscale x 8 x i1>, <vscale x 8 x half>, <vscale x 8 x half>)
 declare <vscale x 4 x float> @llvm.aarch64.sve.fadd.nxv4f32(<vscale x 4 x i1>, <vscale x 4 x float>, <vscale x 4 x float>)
 declare <vscale x 2 x double> @llvm.aarch64.sve.fadd.nxv2f64(<vscale x 2 x i1>, <vscale x 2 x double>, <vscale x 2 x double>)
 
+declare <vscale x 8 x half> @llvm.aarch64.sve.fdiv.nxv8f16(<vscale x 8 x i1>, <vscale x 8 x half>, <vscale x 8 x half>)
 declare <vscale x 4 x float> @llvm.aarch64.sve.fdiv.nxv4f32(<vscale x 4 x i1>, <vscale x 4 x float>, <vscale x 4 x float>)
 declare <vscale x 2 x double> @llvm.aarch64.sve.fdiv.nxv2f64(<vscale x 2 x i1>, <vscale x 2 x double>, <vscale x 2 x double>)
 
+declare <vscale x 8 x half> @llvm.aarch64.sve.fdivr.nxv8f16(<vscale x 8 x i1>, <vscale x 8 x half>, <vscale x 8 x half>)
 declare <vscale x 4 x float> @llvm.aarch64.sve.fdivr.nxv4f32(<vscale x 4 x i1>, <vscale x 4 x float>, <vscale x 4 x float>)
 declare <vscale x 2 x double> @llvm.aarch64.sve.fdivr.nxv2f64(<vscale x 2 x i1>, <vscale x 2 x double>, <vscale x 2 x double>)
 
+declare <vscale x 8 x half> @llvm.aarch64.sve.fmax.nxv8f16(<vscale x 8 x i1>, <vscale x 8 x half>, <vscale x 8 x half>)
 declare <vscale x 4 x float> @llvm.aarch64.sve.fmax.nxv4f32(<vscale x 4 x i1>, <vscale x 4 x float>, <vscale x 4 x float>)
 declare <vscale x 2 x double> @llvm.aarch64.sve.fmax.nxv2f64(<vscale x 2 x i1>, <vscale x 2 x double>, <vscale x 2 x double>)
 
+declare <vscale x 8 x half> @llvm.aarch64.sve.fmaxnm.nxv8f16(<vscale x 8 x i1>, <vscale x 8 x half>, <vscale x 8 x half>)
 declare <vscale x 4 x float> @llvm.aarch64.sve.fmaxnm.nxv4f32(<vscale x 4 x i1>, <vscale x 4 x float>, <vscale x 4 x float>)
 declare <vscale x 2 x double> @llvm.aarch64.sve.fmaxnm.nxv2f64(<vscale x 2 x i1>, <vscale x 2 x double>, <vscale x 2 x double>)
 
+declare <vscale x 8 x half> @llvm.aarch64.sve.fmin.nxv8f16(<vscale x 8 x i1>, <vscale x 8 x half>, <vscale x 8 x half>)
 declare <vscale x 4 x float> @llvm.aarch64.sve.fmin.nxv4f32(<vscale x 4 x i1>, <vscale x 4 x float>, <vscale x 4 x float>)
 declare <vscale x 2 x double> @llvm.aarch64.sve.fmin.nxv2f64(<vscale x 2 x i1>, <vscale x 2 x double>, <vscale x 2 x double>)
 
+declare <vscale x 8 x half> @llvm.aarch64.sve.fminnm.nxv8f16(<vscale x 8 x i1>, <vscale x 8 x half>, <vscale x 8 x half>)
 declare <vscale x 4 x float> @llvm.aarch64.sve.fminnm.nxv4f32(<vscale x 4 x i1>, <vscale x 4 x float>, <vscale x 4 x float>)
 declare <vscale x 2 x double> @llvm.aarch64.sve.fminnm.nxv2f64(<vscale x 2 x i1>, <vscale x 2 x double>, <vscale x 2 x double>)
 
+declare <vscale x 8 x half> @llvm.aarch64.sve.fmul.nxv8f16(<vscale x 8 x i1>, <vscale x 8 x half>, <vscale x 8 x half>)
 declare <vscale x 4 x float> @llvm.aarch64.sve.fmul.nxv4f32(<vscale x 4 x i1>, <vscale x 4 x float>, <vscale x 4 x float>)
 declare <vscale x 2 x double> @llvm.aarch64.sve.fmul.nxv2f64(<vscale x 2 x i1>, <vscale x 2 x double>, <vscale x 2 x double>)
 
+declare <vscale x 8 x half> @llvm.aarch64.sve.fmulx.nxv8f16(<vscale x 8 x i1>, <vscale x 8 x half>, <vscale x 8 x half>)
 declare <vscale x 4 x float> @llvm.aarch64.sve.fmulx.nxv4f32(<vscale x 4 x i1>, <vscale x 4 x float>, <vscale x 4 x float>)
 declare <vscale x 2 x double> @llvm.aarch64.sve.fmulx.nxv2f64(<vscale x 2 x i1>, <vscale x 2 x double>, <vscale x 2 x double>)
 
+declare <vscale x 8 x half> @llvm.aarch64.sve.fsub.nxv8f16(<vscale x 8 x i1>, <vscale x 8 x half>, <vscale x 8 x half>)
 declare <vscale x 4 x float> @llvm.aarch64.sve.fsub.nxv4f32(<vscale x 4 x i1>, <vscale x 4 x float>, <vscale x 4 x float>)
 declare <vscale x 2 x double> @llvm.aarch64.sve.fsub.nxv2f64(<vscale x 2 x i1>, <vscale x 2 x double>, <vscale x 2 x double>)
 
+declare <vscale x 8 x half> @llvm.aarch64.sve.fsubr.nxv8f16(<vscale x 8 x i1>, <vscale x 8 x half>, <vscale x 8 x half>)
 declare <vscale x 4 x float> @llvm.aarch64.sve.fsubr.nxv4f32(<vscale x 4 x i1>, <vscale x 4 x float>, <vscale x 4 x float>)
 declare <vscale x 2 x double> @llvm.aarch64.sve.fsubr.nxv2f64(<vscale x 2 x i1>, <vscale x 2 x double>, <vscale x 2 x double>)