Index: llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp
===================================================================
--- llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp
+++ llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp
@@ -552,6 +552,34 @@
     { ISD::FP_TO_UINT, MVT::nxv8i16, MVT::nxv8f32, 1 },
     { ISD::FP_TO_UINT, MVT::nxv8i8,  MVT::nxv8f32, 1 },
 
+    // Complex, from nxv8f16
+    { ISD::FP_TO_SINT, MVT::nxv8i64, MVT::nxv8f16, 4 },
+    { ISD::FP_TO_SINT, MVT::nxv8i32, MVT::nxv8f16, 2 },
+    { ISD::FP_TO_SINT, MVT::nxv8i8,  MVT::nxv8f16, 1 },
+    { ISD::FP_TO_UINT, MVT::nxv8i64, MVT::nxv8f16, 4 },
+    { ISD::FP_TO_UINT, MVT::nxv8i32, MVT::nxv8f16, 2 },
+    { ISD::FP_TO_UINT, MVT::nxv8i8,  MVT::nxv8f16, 1 },
+
+    // Complex, from nxv4f16
+    { ISD::FP_TO_SINT, MVT::nxv4i64, MVT::nxv4f16, 2 },
+    { ISD::FP_TO_SINT, MVT::nxv4i32, MVT::nxv4f16, 1 },
+    { ISD::FP_TO_SINT, MVT::nxv4i16, MVT::nxv4f16, 1 },
+    { ISD::FP_TO_SINT, MVT::nxv4i8,  MVT::nxv4f16, 1 },
+    { ISD::FP_TO_UINT, MVT::nxv4i64, MVT::nxv4f16, 2 },
+    { ISD::FP_TO_UINT, MVT::nxv4i32, MVT::nxv4f16, 1 },
+    { ISD::FP_TO_UINT, MVT::nxv4i16, MVT::nxv4f16, 1 },
+    { ISD::FP_TO_UINT, MVT::nxv4i8,  MVT::nxv4f16, 1 },
+
+    // Complex, from nxv2f16
+    { ISD::FP_TO_SINT, MVT::nxv2i64, MVT::nxv2f16, 1 },
+    { ISD::FP_TO_SINT, MVT::nxv2i32, MVT::nxv2f16, 1 },
+    { ISD::FP_TO_SINT, MVT::nxv2i16, MVT::nxv2f16, 1 },
+    { ISD::FP_TO_SINT, MVT::nxv2i8,  MVT::nxv2f16, 1 },
+    { ISD::FP_TO_UINT, MVT::nxv2i64, MVT::nxv2f16, 1 },
+    { ISD::FP_TO_UINT, MVT::nxv2i32, MVT::nxv2f16, 1 },
+    { ISD::FP_TO_UINT, MVT::nxv2i16, MVT::nxv2f16, 1 },
+    { ISD::FP_TO_UINT, MVT::nxv2i8,  MVT::nxv2f16, 1 },
+
     // Truncate from nxvmf32 to nxvmf16.
     { ISD::FP_ROUND, MVT::nxv2f16, MVT::nxv2f32, 1 },
     { ISD::FP_ROUND, MVT::nxv4f16, MVT::nxv4f32, 1 },
Index: llvm/test/Analysis/CostModel/AArch64/sve-fptoi.ll
===================================================================
--- llvm/test/Analysis/CostModel/AArch64/sve-fptoi.ll
+++ llvm/test/Analysis/CostModel/AArch64/sve-fptoi.ll
@@ -8,6 +8,12 @@
 
 define void @sve-fptoi() {
   ;CHECK-LABEL: 'sve-fptoi'
+  ;CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction:   %nv2f16_to_si8 = fptosi <vscale x 2 x half> undef to <vscale x 2 x i8>
+  ;CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction:   %nv2f16_to_ui8 = fptoui <vscale x 2 x half> undef to <vscale x 2 x i8>
+  ;CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction:   %nv2f16_to_si32 = fptosi <vscale x 2 x half> undef to <vscale x 2 x i32>
+  ;CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction:   %nv2f16_to_ui32 = fptoui <vscale x 2 x half> undef to <vscale x 2 x i32>
+  ;CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction:   %nv2f16_to_si64 = fptosi <vscale x 2 x half> undef to <vscale x 2 x i64>
+  ;CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction:   %nv2f16_to_ui64 = fptoui <vscale x 2 x half> undef to <vscale x 2 x i64>
   ;CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction:   %nv2f32_to_si8 = fptosi <vscale x 2 x float> undef to <vscale x 2 x i8>
   ;CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction:   %nv2f32_to_ui8 = fptoui <vscale x 2 x float> undef to <vscale x 2 x i8>
   ;CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction:   %nv2f32_to_si32 = fptosi <vscale x 2 x float> undef to <vscale x 2 x i32>
@@ -20,6 +26,12 @@
   ;CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction:   %nv2f64_to_ui32 = fptoui <vscale x 2 x double> undef to <vscale x 2 x i32>
   ;CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction:   %nv2f64_to_si64 = fptosi <vscale x 2 x double> undef to <vscale x 2 x i64>
   ;CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction:   %nv2f64_to_ui64 = fptoui <vscale x 2 x double> undef to <vscale x 2 x i64>
+  ;CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction:   %nv4f16_to_si8 = fptosi <vscale x 4 x half> undef to <vscale x 4 x i8>
+  ;CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction:   %nv4f16_to_ui8 = fptoui <vscale x 4 x half> undef to <vscale x 4 x i8>
+  ;CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction:   %nv4f16_to_si32 = fptosi <vscale x 4 x half> undef to <vscale x 4 x i32>
+  ;CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction:   %nv4f16_to_ui32 = fptoui <vscale x 4 x half> undef to <vscale x 4 x i32>
+  ;CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction:   %nv4f16_to_si64 = fptosi <vscale x 4 x half> undef to <vscale x 4 x i64>
+  ;CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction:   %nv4f16_to_ui64 = fptoui <vscale x 4 x half> undef to <vscale x 4 x i64>
   ;CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction:   %nv4f32_to_si8 = fptosi <vscale x 4 x float> undef to <vscale x 4 x i8>
   ;CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction:   %nv4f32_to_ui8 = fptoui <vscale x 4 x float> undef to <vscale x 4 x i8>
   ;CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction:   %nv4f32_to_si32 = fptosi <vscale x 4 x float> undef to <vscale x 4 x i32>
@@ -32,6 +44,12 @@
   ;CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction:   %nv4f64_to_ui32 = fptoui <vscale x 4 x double> undef to <vscale x 4 x i32>
   ;CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction:   %nv4f64_to_si64 = fptosi <vscale x 4 x double> undef to <vscale x 4 x i64>
   ;CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction:   %nv4f64_to_ui64 = fptoui <vscale x 4 x double> undef to <vscale x 4 x i64>
+  ;CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction:   %nv8f16_to_si8 = fptosi <vscale x 8 x half> undef to <vscale x 8 x i8>
+  ;CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction:   %nv8f16_to_ui8 = fptoui <vscale x 8 x half> undef to <vscale x 8 x i8>
+  ;CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction:   %nv8f16_to_si32 = fptosi <vscale x 8 x half> undef to <vscale x 8 x i32>
+  ;CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction:   %nv8f16_to_ui32 = fptoui <vscale x 8 x half> undef to <vscale x 8 x i32>
+  ;CHECK-NEXT: Cost Model: Found an estimated cost of 4 for instruction:   %nv8f16_to_si64 = fptosi <vscale x 8 x half> undef to <vscale x 8 x i64>
+  ;CHECK-NEXT: Cost Model: Found an estimated cost of 4 for instruction:   %nv8f16_to_ui64 = fptoui <vscale x 8 x half> undef to <vscale x 8 x i64>
   ;CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction:   %nv8f32_to_si8 = fptosi <vscale x 8 x float> undef to <vscale x 8 x i8>
   ;CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction:   %nv8f32_to_ui8 = fptoui <vscale x 8 x float> undef to <vscale x 8 x i8>
   ;CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction:   %nv8f32_to_si32 = fptosi <vscale x 8 x float> undef to <vscale x 8 x i32>
@@ -45,6 +63,13 @@
   ;CHECK-NEXT: Cost Model: Found an estimated cost of 4 for instruction:   %nv8f64_to_si64 = fptosi <vscale x 8 x double> undef to <vscale x 8 x i64>
   ;CHECK-NEXT: Cost Model: Found an estimated cost of 4 for instruction:   %nv8f64_to_ui64 = fptoui <vscale x 8 x double> undef to <vscale x 8 x i64>
 
+  %nv2f16_to_si8  = fptosi <vscale x 2 x half> undef to <vscale x 2 x i8>
+  %nv2f16_to_ui8  = fptoui <vscale x 2 x half> undef to <vscale x 2 x i8>
+  %nv2f16_to_si32 = fptosi <vscale x 2 x half> undef to <vscale x 2 x i32>
+  %nv2f16_to_ui32 = fptoui <vscale x 2 x half> undef to <vscale x 2 x i32>
+  %nv2f16_to_si64 = fptosi <vscale x 2 x half> undef to <vscale x 2 x i64>
+  %nv2f16_to_ui64 = fptoui <vscale x 2 x half> undef to <vscale x 2 x i64>
+
   %nv2f32_to_si8  = fptosi <vscale x 2 x float> undef to <vscale x 2 x i8>
   %nv2f32_to_ui8  = fptoui <vscale x 2 x float> undef to <vscale x 2 x i8>
   %nv2f32_to_si32 = fptosi <vscale x 2 x float> undef to <vscale x 2 x i32>
@@ -59,6 +84,13 @@
   %nv2f64_to_si64 = fptosi <vscale x 2 x double> undef to <vscale x 2 x i64>
   %nv2f64_to_ui64 = fptoui <vscale x 2 x double> undef to <vscale x 2 x i64>
 
+  %nv4f16_to_si8  = fptosi <vscale x 4 x half> undef to <vscale x 4 x i8>
+  %nv4f16_to_ui8  = fptoui <vscale x 4 x half> undef to <vscale x 4 x i8>
+  %nv4f16_to_si32 = fptosi <vscale x 4 x half> undef to <vscale x 4 x i32>
+  %nv4f16_to_ui32 = fptoui <vscale x 4 x half> undef to <vscale x 4 x i32>
+  %nv4f16_to_si64 = fptosi <vscale x 4 x half> undef to <vscale x 4 x i64>
+  %nv4f16_to_ui64 = fptoui <vscale x 4 x half> undef to <vscale x 4 x i64>
+
   %nv4f32_to_si8  = fptosi <vscale x 4 x float> undef to <vscale x 4 x i8>
   %nv4f32_to_ui8  = fptoui <vscale x 4 x float> undef to <vscale x 4 x i8>
   %nv4f32_to_si32 = fptosi <vscale x 4 x float> undef to <vscale x 4 x i32>
@@ -73,6 +105,13 @@
   %nv4f64_to_si64 = fptosi <vscale x 4 x double> undef to <vscale x 4 x i64>
   %nv4f64_to_ui64 = fptoui <vscale x 4 x double> undef to <vscale x 4 x i64>
 
+  %nv8f16_to_si8  = fptosi <vscale x 8 x half> undef to <vscale x 8 x i8>
+  %nv8f16_to_ui8  = fptoui <vscale x 8 x half> undef to <vscale x 8 x i8>
+  %nv8f16_to_si32 = fptosi <vscale x 8 x half> undef to <vscale x 8 x i32>
+  %nv8f16_to_ui32 = fptoui <vscale x 8 x half> undef to <vscale x 8 x i32>
+  %nv8f16_to_si64 = fptosi <vscale x 8 x half> undef to <vscale x 8 x i64>
+  %nv8f16_to_ui64 = fptoui <vscale x 8 x half> undef to <vscale x 8 x i64>
+
   %nv8f32_to_si8  = fptosi <vscale x 8 x float> undef to <vscale x 8 x i8>
   %nv8f32_to_ui8  = fptoui <vscale x 8 x float> undef to <vscale x 8 x i8>
   %nv8f32_to_si32 = fptosi <vscale x 8 x float> undef to <vscale x 8 x i32>