[AArch64] Update costs for some fp16 converts

[dmgreen]

Summary

This updates the costs for FP16 converts, as some of them were pretty high. For example https://godbolt.org/z/KvxhY3KTh.

[sdesmalen]

Looks accurate, thanks!

[dmgreen]

Thanks

llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp

ConversionTbl[] = {
     { ISD::BITCAST, MVT::nxv2i32, MVT::nxv2f32, 0 },
   };
 
   if (const auto *Entry = ConvertCostTableLookup(ConversionTbl, ISD,
                                                  DstTy.getSimpleVT(),
                                                  SrcTy.getSimpleVT()))
     return AdjustCost(Entry->Cost);
 
+  static const TypeConversionCostTblEntry FP16Tbl[] = {
+      {ISD::FP_TO_SINT, MVT::v4i8, MVT::v4f16, 1}, // fcvtzs
+      {ISD::FP_TO_UINT, MVT::v4i8, MVT::v4f16, 1},
+      {ISD::FP_TO_SINT, MVT::v4i16, MVT::v4f16, 1}, // fcvtzs
+      {ISD::FP_TO_UINT, MVT::v4i16, MVT::v4f16, 1},
+      {ISD::FP_TO_SINT, MVT::v4i32, MVT::v4f16, 2}, // fcvtl+fcvtzs
+      {ISD::FP_TO_UINT, MVT::v4i32, MVT::v4f16, 2},
+      {ISD::FP_TO_SINT, MVT::v8i8, MVT::v8f16, 2}, // fcvtzs+xtn
+      {ISD::FP_TO_UINT, MVT::v8i8, MVT::v8f16, 2},
+      {ISD::FP_TO_SINT, MVT::v8i16, MVT::v8f16, 1}, // fcvtzs
+      {ISD::FP_TO_UINT, MVT::v8i16, MVT::v8f16, 1},
+      {ISD::FP_TO_SINT, MVT::v8i32, MVT::v8f16, 4}, // 2*fcvtl+2*fcvtzs
+      {ISD::FP_TO_UINT, MVT::v8i32, MVT::v8f16, 4},
+      {ISD::FP_TO_SINT, MVT::v16i8, MVT::v16f16, 3}, // 2*fcvtzs+xtn
+      {ISD::FP_TO_UINT, MVT::v16i8, MVT::v16f16, 3},
+      {ISD::FP_TO_SINT, MVT::v16i16, MVT::v16f16, 2}, // 2*fcvtzs
+      {ISD::FP_TO_UINT, MVT::v16i16, MVT::v16f16, 2},
+      {ISD::FP_TO_SINT, MVT::v16i32, MVT::v16f16, 8}, // 4*fcvtl+4*fcvtzs
+      {ISD::FP_TO_UINT, MVT::v16i32, MVT::v16f16, 8},
+  };
+
+  if (ST->hasFullFP16())
+    if (const auto *Entry = ConvertCostTableLookup(
+            FP16Tbl, ISD, DstTy.getSimpleVT(), SrcTy.getSimpleVT()))
+      return AdjustCost(Entry->Cost);
+
   return AdjustCost(
       BaseT::getCastInstrCost(Opcode, Dst, Src, CCH, CostKind, I));
 }
 
 InstructionCost AArch64TTIImpl::getExtractWithExtendCost(unsigned Opcode,
                                                          Type *Dst,
                                                          VectorType *VecTy,
                                                          unsigned Index) {

llvm/test/Analysis/CostModel/AArch64/cast.ll

 ; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py
-; RUN: opt -cost-model -analyze -mtriple=aarch64-none-linux-gnueabi %s | FileCheck --check-prefixes=CHECK %s
-; RUN: opt -cost-model -analyze -mtriple=aarch64-none-linux-gnueabi -mattr=+fullfp16 %s | FileCheck --check-prefixes=CHECK %s
+; RUN: opt -cost-model -analyze -mtriple=aarch64-none-linux-gnueabi %s | FileCheck --check-prefixes=CHECK,CHECK-NOFP16 %s
+; RUN: opt -cost-model -analyze -mtriple=aarch64-none-linux-gnueabi -mattr=+fullfp16 %s | FileCheck --check-prefixes=CHECK,CHECK-FP16 %s
 
 define void @ext() {
 ; CHECK-LABEL: 'ext'
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %r0 = sext i1 undef to i8
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %r1 = zext i1 undef to i8
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %r2 = sext i1 undef to i16
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %r3 = zext i1 undef to i16
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %r4 = sext i1 undef to i32
;
   %z32_64 = zext i32 %e32 to i64
   call void @use(i16 %s8_16, i16 %z8_16, i32 %s8_32, i32 %z8_32, i64 %s8_64, i64 %z8_64, i32 %s16_32, i32 %z16_32, i64 %s16_64, i64 %z16_64, i64 %s32_64, i64 %z32_64)
   ret void
 }
 
 declare void @use(i16, i16, i32, i32, i64, i64, i32, i32, i64, i64, i64, i64)
 
 define void @fp16cast() {
-; CHECK-LABEL: 'fp16cast'
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r30 = fptoui half undef to i1
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r31 = fptosi half undef to i1
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r32 = fptoui half undef to i8
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r33 = fptosi half undef to i8
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r34 = fptoui half undef to i16
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r35 = fptosi half undef to i16
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r36 = fptoui half undef to i32
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r37 = fptosi half undef to i32
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r38 = fptoui half undef to i64
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r39 = fptosi half undef to i64
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r90 = fptoui <2 x half> undef to <2 x i1>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r91 = fptosi <2 x half> undef to <2 x i1>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r92 = fptoui <2 x half> undef to <2 x i8>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r93 = fptosi <2 x half> undef to <2 x i8>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r94 = fptoui <2 x half> undef to <2 x i16>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r95 = fptosi <2 x half> undef to <2 x i16>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r96 = fptoui <2 x half> undef to <2 x i32>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r97 = fptosi <2 x half> undef to <2 x i32>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %r98 = fptoui <2 x half> undef to <2 x i64>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %r99 = fptosi <2 x half> undef to <2 x i64>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r110 = fptoui <4 x half> undef to <4 x i1>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r111 = fptosi <4 x half> undef to <4 x i1>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r112 = fptoui <4 x half> undef to <4 x i8>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r113 = fptosi <4 x half> undef to <4 x i8>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r114 = fptoui <4 x half> undef to <4 x i16>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r115 = fptosi <4 x half> undef to <4 x i16>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 22 for instruction: %r116 = fptoui <4 x half> undef to <4 x i32>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 22 for instruction: %r117 = fptosi <4 x half> undef to <4 x i32>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 17 for instruction: %r118 = fptoui <4 x half> undef to <4 x i64>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 17 for instruction: %r119 = fptosi <4 x half> undef to <4 x i64>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 50 for instruction: %r130 = fptoui <8 x half> undef to <8 x i1>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 50 for instruction: %r131 = fptosi <8 x half> undef to <8 x i1>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 50 for instruction: %r132 = fptoui <8 x half> undef to <8 x i8>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 50 for instruction: %r133 = fptosi <8 x half> undef to <8 x i8>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r134 = fptoui <8 x half> undef to <8 x i16>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r135 = fptosi <8 x half> undef to <8 x i16>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 45 for instruction: %r136 = fptoui <8 x half> undef to <8 x i32>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 45 for instruction: %r137 = fptosi <8 x half> undef to <8 x i32>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 35 for instruction: %r138 = fptoui <8 x half> undef to <8 x i64>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 35 for instruction: %r139 = fptosi <8 x half> undef to <8 x i64>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 101 for instruction: %r150 = fptoui <16 x half> undef to <16 x i1>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 101 for instruction: %r151 = fptosi <16 x half> undef to <16 x i1>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 101 for instruction: %r152 = fptoui <16 x half> undef to <16 x i8>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 101 for instruction: %r153 = fptosi <16 x half> undef to <16 x i8>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %r154 = fptoui <16 x half> undef to <16 x i16>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %r155 = fptosi <16 x half> undef to <16 x i16>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 90 for instruction: %r156 = fptoui <16 x half> undef to <16 x i32>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 90 for instruction: %r157 = fptosi <16 x half> undef to <16 x i32>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 70 for instruction: %r158 = fptoui <16 x half> undef to <16 x i64>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 70 for instruction: %r159 = fptosi <16 x half> undef to <16 x i64>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
+; CHECK-NOFP16-LABEL: 'fp16cast'
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r30 = fptoui half undef to i1
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r31 = fptosi half undef to i1
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r32 = fptoui half undef to i8
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r33 = fptosi half undef to i8
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r34 = fptoui half undef to i16
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r35 = fptosi half undef to i16
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r36 = fptoui half undef to i32
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r37 = fptosi half undef to i32
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r38 = fptoui half undef to i64
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r39 = fptosi half undef to i64
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r90 = fptoui <2 x half> undef to <2 x i1>
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r91 = fptosi <2 x half> undef to <2 x i1>
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r92 = fptoui <2 x half> undef to <2 x i8>
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r93 = fptosi <2 x half> undef to <2 x i8>
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r94 = fptoui <2 x half> undef to <2 x i16>
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r95 = fptosi <2 x half> undef to <2 x i16>
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r96 = fptoui <2 x half> undef to <2 x i32>
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r97 = fptosi <2 x half> undef to <2 x i32>
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %r98 = fptoui <2 x half> undef to <2 x i64>
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %r99 = fptosi <2 x half> undef to <2 x i64>
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r110 = fptoui <4 x half> undef to <4 x i1>
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r111 = fptosi <4 x half> undef to <4 x i1>
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r112 = fptoui <4 x half> undef to <4 x i8>
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r113 = fptosi <4 x half> undef to <4 x i8>
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r114 = fptoui <4 x half> undef to <4 x i16>
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r115 = fptosi <4 x half> undef to <4 x i16>
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 22 for instruction: %r116 = fptoui <4 x half> undef to <4 x i32>
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 22 for instruction: %r117 = fptosi <4 x half> undef to <4 x i32>
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 17 for instruction: %r118 = fptoui <4 x half> undef to <4 x i64>
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 17 for instruction: %r119 = fptosi <4 x half> undef to <4 x i64>
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 50 for instruction: %r130 = fptoui <8 x half> undef to <8 x i1>
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 50 for instruction: %r131 = fptosi <8 x half> undef to <8 x i1>
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 50 for instruction: %r132 = fptoui <8 x half> undef to <8 x i8>
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 50 for instruction: %r133 = fptosi <8 x half> undef to <8 x i8>
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r134 = fptoui <8 x half> undef to <8 x i16>
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r135 = fptosi <8 x half> undef to <8 x i16>
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 45 for instruction: %r136 = fptoui <8 x half> undef to <8 x i32>
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 45 for instruction: %r137 = fptosi <8 x half> undef to <8 x i32>
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 35 for instruction: %r138 = fptoui <8 x half> undef to <8 x i64>
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 35 for instruction: %r139 = fptosi <8 x half> undef to <8 x i64>
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 101 for instruction: %r150 = fptoui <16 x half> undef to <16 x i1>
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 101 for instruction: %r151 = fptosi <16 x half> undef to <16 x i1>
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 101 for instruction: %r152 = fptoui <16 x half> undef to <16 x i8>
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 101 for instruction: %r153 = fptosi <16 x half> undef to <16 x i8>
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %r154 = fptoui <16 x half> undef to <16 x i16>
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %r155 = fptosi <16 x half> undef to <16 x i16>
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 90 for instruction: %r156 = fptoui <16 x half> undef to <16 x i32>
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 90 for instruction: %r157 = fptosi <16 x half> undef to <16 x i32>
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 70 for instruction: %r158 = fptoui <16 x half> undef to <16 x i64>
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 70 for instruction: %r159 = fptosi <16 x half> undef to <16 x i64>
+; CHECK-NOFP16-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
+;
+; CHECK-FP16-LABEL: 'fp16cast'
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r30 = fptoui half undef to i1
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r31 = fptosi half undef to i1
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r32 = fptoui half undef to i8
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r33 = fptosi half undef to i8
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r34 = fptoui half undef to i16
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r35 = fptosi half undef to i16
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r36 = fptoui half undef to i32
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r37 = fptosi half undef to i32
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r38 = fptoui half undef to i64
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r39 = fptosi half undef to i64
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r90 = fptoui <2 x half> undef to <2 x i1>
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r91 = fptosi <2 x half> undef to <2 x i1>
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r92 = fptoui <2 x half> undef to <2 x i8>
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r93 = fptosi <2 x half> undef to <2 x i8>
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r94 = fptoui <2 x half> undef to <2 x i16>
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r95 = fptosi <2 x half> undef to <2 x i16>
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r96 = fptoui <2 x half> undef to <2 x i32>
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r97 = fptosi <2 x half> undef to <2 x i32>
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %r98 = fptoui <2 x half> undef to <2 x i64>
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %r99 = fptosi <2 x half> undef to <2 x i64>
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r110 = fptoui <4 x half> undef to <4 x i1>
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r111 = fptosi <4 x half> undef to <4 x i1>
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r112 = fptoui <4 x half> undef to <4 x i8>
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r113 = fptosi <4 x half> undef to <4 x i8>
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r114 = fptoui <4 x half> undef to <4 x i16>
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r115 = fptosi <4 x half> undef to <4 x i16>
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %r116 = fptoui <4 x half> undef to <4 x i32>
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %r117 = fptosi <4 x half> undef to <4 x i32>
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 17 for instruction: %r118 = fptoui <4 x half> undef to <4 x i64>
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 17 for instruction: %r119 = fptosi <4 x half> undef to <4 x i64>
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 50 for instruction: %r130 = fptoui <8 x half> undef to <8 x i1>
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 50 for instruction: %r131 = fptosi <8 x half> undef to <8 x i1>
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %r132 = fptoui <8 x half> undef to <8 x i8>
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %r133 = fptosi <8 x half> undef to <8 x i8>
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r134 = fptoui <8 x half> undef to <8 x i16>
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r135 = fptosi <8 x half> undef to <8 x i16>
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %r136 = fptoui <8 x half> undef to <8 x i32>
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %r137 = fptosi <8 x half> undef to <8 x i32>
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 35 for instruction: %r138 = fptoui <8 x half> undef to <8 x i64>
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 35 for instruction: %r139 = fptosi <8 x half> undef to <8 x i64>
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 101 for instruction: %r150 = fptoui <16 x half> undef to <16 x i1>
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 101 for instruction: %r151 = fptosi <16 x half> undef to <16 x i1>
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %r152 = fptoui <16 x half> undef to <16 x i8>
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %r153 = fptosi <16 x half> undef to <16 x i8>
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %r154 = fptoui <16 x half> undef to <16 x i16>
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %r155 = fptosi <16 x half> undef to <16 x i16>
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %r156 = fptoui <16 x half> undef to <16 x i32>
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %r157 = fptosi <16 x half> undef to <16 x i32>
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 70 for instruction: %r158 = fptoui <16 x half> undef to <16 x i64>
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 70 for instruction: %r159 = fptosi <16 x half> undef to <16 x i64>
+; CHECK-FP16-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
 ;
   %r30 = fptoui half undef to i1
   %r31 = fptosi half undef to i1
   %r32 = fptoui half undef to i8
   %r33 = fptosi half undef to i8
   %r34 = fptoui half undef to i16
   %r35 = fptosi half undef to i16
   %r36 = fptoui half undef to i32