[llvm] a5f2fdc - [X86][Costmodel] `trunc v16i32 to v32i16` can appear after legalization, cost is same as for `trunc v16i32 to v16i16`
Roman Lebedev via llvm-commits
llvm-commits at lists.llvm.org
Sun Nov 14 07:42:07 PST 2021
Author: Roman Lebedev
Date: 2021-11-14T18:41:37+03:00
New Revision: a5f2fdca993eca0ae85e90f987fbbfb3b4aee626
URL: https://github.com/llvm/llvm-project/commit/a5f2fdca993eca0ae85e90f987fbbfb3b4aee626
DIFF: https://github.com/llvm/llvm-project/commit/a5f2fdca993eca0ae85e90f987fbbfb3b4aee626.diff
LOG: [X86][Costmodel] `trunc v16i32 to v32i16` can appear after legalization, cost is same as for `trunc v16i32 to v16i16`
This was noticed in D113609, hopefully it unblocks that patch.
There are likely other similar problems.
Reviewed By: RKSimon
Differential Revision: https://reviews.llvm.org/D113842
Added:
Modified:
llvm/lib/Target/X86/X86TargetTransformInfo.cpp
llvm/test/Analysis/CostModel/X86/arith-fix.ll
llvm/test/Analysis/CostModel/X86/arith-overflow.ll
llvm/test/Analysis/CostModel/X86/trunc.ll
Removed:
################################################################################
diff --git a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp
index 00e67df38fa8..601c38d3a23a 100644
--- a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp
+++ b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp
@@ -1667,7 +1667,8 @@ InstructionCost X86TTIImpl::getCastInstrCost(unsigned Opcode, Type *Dst,
{ ISD::TRUNCATE, MVT::v2i8, MVT::v2i32, 2 }, // vpmovdb
{ ISD::TRUNCATE, MVT::v4i8, MVT::v4i32, 2 }, // vpmovdb
{ ISD::TRUNCATE, MVT::v16i8, MVT::v16i32, 2 }, // vpmovdb
- { ISD::TRUNCATE, MVT::v16i16, MVT::v16i32, 2 }, // vpmovdb
+ { ISD::TRUNCATE, MVT::v16i16, MVT::v16i32, 2 }, // vpmovdw
+ { ISD::TRUNCATE, MVT::v32i16, MVT::v16i32, 2 }, // vpmovdw
{ ISD::TRUNCATE, MVT::v2i8, MVT::v2i64, 2 }, // vpmovqb
{ ISD::TRUNCATE, MVT::v2i16, MVT::v2i64, 1 }, // vpshufb
{ ISD::TRUNCATE, MVT::v8i8, MVT::v8i64, 2 }, // vpmovqb
diff --git a/llvm/test/Analysis/CostModel/X86/arith-fix.ll b/llvm/test/Analysis/CostModel/X86/arith-fix.ll
index f9aaa427751a..80bd544d3ec5 100644
--- a/llvm/test/Analysis/CostModel/X86/arith-fix.ll
+++ b/llvm/test/Analysis/CostModel/X86/arith-fix.ll
@@ -120,7 +120,7 @@ define i32 @smul(i32 %arg) {
; AVX512F-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %I16 = call i16 @llvm.smul.fix.i16(i16 undef, i16 undef, i32 3)
; AVX512F-NEXT: Cost Model: Found an estimated cost of 10 for instruction: %V8I16 = call <8 x i16> @llvm.smul.fix.v8i16(<8 x i16> undef, <8 x i16> undef, i32 3)
; AVX512F-NEXT: Cost Model: Found an estimated cost of 10 for instruction: %V16I16 = call <16 x i16> @llvm.smul.fix.v16i16(<16 x i16> undef, <16 x i16> undef, i32 3)
-; AVX512F-NEXT: Cost Model: Found an estimated cost of 23 for instruction: %V32I16 = call <32 x i16> @llvm.smul.fix.v32i16(<32 x i16> undef, <32 x i16> undef, i32 3)
+; AVX512F-NEXT: Cost Model: Found an estimated cost of 21 for instruction: %V32I16 = call <32 x i16> @llvm.smul.fix.v32i16(<32 x i16> undef, <32 x i16> undef, i32 3)
; AVX512F-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %I8 = call i8 @llvm.smul.fix.i8(i8 undef, i8 undef, i32 3)
; AVX512F-NEXT: Cost Model: Found an estimated cost of 14 for instruction: %V16I8 = call <16 x i8> @llvm.smul.fix.v16i8(<16 x i8> undef, <16 x i8> undef, i32 3)
; AVX512F-NEXT: Cost Model: Found an estimated cost of 29 for instruction: %V32I8 = call <32 x i8> @llvm.smul.fix.v32i8(<32 x i8> undef, <32 x i8> undef, i32 3)
@@ -139,7 +139,7 @@ define i32 @smul(i32 %arg) {
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %I16 = call i16 @llvm.smul.fix.i16(i16 undef, i16 undef, i32 3)
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 10 for instruction: %V8I16 = call <8 x i16> @llvm.smul.fix.v8i16(<8 x i16> undef, <8 x i16> undef, i32 3)
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 10 for instruction: %V16I16 = call <16 x i16> @llvm.smul.fix.v16i16(<16 x i16> undef, <16 x i16> undef, i32 3)
-; AVX512BW-NEXT: Cost Model: Found an estimated cost of 21 for instruction: %V32I16 = call <32 x i16> @llvm.smul.fix.v32i16(<32 x i16> undef, <32 x i16> undef, i32 3)
+; AVX512BW-NEXT: Cost Model: Found an estimated cost of 19 for instruction: %V32I16 = call <32 x i16> @llvm.smul.fix.v32i16(<32 x i16> undef, <32 x i16> undef, i32 3)
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %I8 = call i8 @llvm.smul.fix.i8(i8 undef, i8 undef, i32 3)
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 12 for instruction: %V16I8 = call <16 x i8> @llvm.smul.fix.v16i8(<16 x i8> undef, <16 x i8> undef, i32 3)
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 12 for instruction: %V32I8 = call <32 x i8> @llvm.smul.fix.v32i8(<32 x i8> undef, <32 x i8> undef, i32 3)
@@ -158,7 +158,7 @@ define i32 @smul(i32 %arg) {
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %I16 = call i16 @llvm.smul.fix.i16(i16 undef, i16 undef, i32 3)
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 10 for instruction: %V8I16 = call <8 x i16> @llvm.smul.fix.v8i16(<8 x i16> undef, <8 x i16> undef, i32 3)
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 10 for instruction: %V16I16 = call <16 x i16> @llvm.smul.fix.v16i16(<16 x i16> undef, <16 x i16> undef, i32 3)
-; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 23 for instruction: %V32I16 = call <32 x i16> @llvm.smul.fix.v32i16(<32 x i16> undef, <32 x i16> undef, i32 3)
+; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 21 for instruction: %V32I16 = call <32 x i16> @llvm.smul.fix.v32i16(<32 x i16> undef, <32 x i16> undef, i32 3)
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %I8 = call i8 @llvm.smul.fix.i8(i8 undef, i8 undef, i32 3)
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 14 for instruction: %V16I8 = call <16 x i8> @llvm.smul.fix.v16i8(<16 x i8> undef, <16 x i8> undef, i32 3)
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 29 for instruction: %V32I8 = call <32 x i8> @llvm.smul.fix.v32i8(<32 x i8> undef, <32 x i8> undef, i32 3)
@@ -354,7 +354,7 @@ define i32 @umul(i32 %arg) {
; AVX512F-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %I16 = call i16 @llvm.umul.fix.i16(i16 undef, i16 undef, i32 3)
; AVX512F-NEXT: Cost Model: Found an estimated cost of 10 for instruction: %V8I16 = call <8 x i16> @llvm.umul.fix.v8i16(<8 x i16> undef, <8 x i16> undef, i32 3)
; AVX512F-NEXT: Cost Model: Found an estimated cost of 10 for instruction: %V16I16 = call <16 x i16> @llvm.umul.fix.v16i16(<16 x i16> undef, <16 x i16> undef, i32 3)
-; AVX512F-NEXT: Cost Model: Found an estimated cost of 23 for instruction: %V32I16 = call <32 x i16> @llvm.umul.fix.v32i16(<32 x i16> undef, <32 x i16> undef, i32 3)
+; AVX512F-NEXT: Cost Model: Found an estimated cost of 21 for instruction: %V32I16 = call <32 x i16> @llvm.umul.fix.v32i16(<32 x i16> undef, <32 x i16> undef, i32 3)
; AVX512F-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %I8 = call i8 @llvm.umul.fix.i8(i8 undef, i8 undef, i32 3)
; AVX512F-NEXT: Cost Model: Found an estimated cost of 14 for instruction: %V16I8 = call <16 x i8> @llvm.umul.fix.v16i8(<16 x i8> undef, <16 x i8> undef, i32 3)
; AVX512F-NEXT: Cost Model: Found an estimated cost of 29 for instruction: %V32I8 = call <32 x i8> @llvm.umul.fix.v32i8(<32 x i8> undef, <32 x i8> undef, i32 3)
@@ -373,7 +373,7 @@ define i32 @umul(i32 %arg) {
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %I16 = call i16 @llvm.umul.fix.i16(i16 undef, i16 undef, i32 3)
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 10 for instruction: %V8I16 = call <8 x i16> @llvm.umul.fix.v8i16(<8 x i16> undef, <8 x i16> undef, i32 3)
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 10 for instruction: %V16I16 = call <16 x i16> @llvm.umul.fix.v16i16(<16 x i16> undef, <16 x i16> undef, i32 3)
-; AVX512BW-NEXT: Cost Model: Found an estimated cost of 21 for instruction: %V32I16 = call <32 x i16> @llvm.umul.fix.v32i16(<32 x i16> undef, <32 x i16> undef, i32 3)
+; AVX512BW-NEXT: Cost Model: Found an estimated cost of 19 for instruction: %V32I16 = call <32 x i16> @llvm.umul.fix.v32i16(<32 x i16> undef, <32 x i16> undef, i32 3)
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %I8 = call i8 @llvm.umul.fix.i8(i8 undef, i8 undef, i32 3)
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 12 for instruction: %V16I8 = call <16 x i8> @llvm.umul.fix.v16i8(<16 x i8> undef, <16 x i8> undef, i32 3)
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 12 for instruction: %V32I8 = call <32 x i8> @llvm.umul.fix.v32i8(<32 x i8> undef, <32 x i8> undef, i32 3)
@@ -392,7 +392,7 @@ define i32 @umul(i32 %arg) {
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %I16 = call i16 @llvm.umul.fix.i16(i16 undef, i16 undef, i32 3)
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 10 for instruction: %V8I16 = call <8 x i16> @llvm.umul.fix.v8i16(<8 x i16> undef, <8 x i16> undef, i32 3)
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 10 for instruction: %V16I16 = call <16 x i16> @llvm.umul.fix.v16i16(<16 x i16> undef, <16 x i16> undef, i32 3)
-; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 23 for instruction: %V32I16 = call <32 x i16> @llvm.umul.fix.v32i16(<32 x i16> undef, <32 x i16> undef, i32 3)
+; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 21 for instruction: %V32I16 = call <32 x i16> @llvm.umul.fix.v32i16(<32 x i16> undef, <32 x i16> undef, i32 3)
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %I8 = call i8 @llvm.umul.fix.i8(i8 undef, i8 undef, i32 3)
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 14 for instruction: %V16I8 = call <16 x i8> @llvm.umul.fix.v16i8(<16 x i8> undef, <16 x i8> undef, i32 3)
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 29 for instruction: %V32I8 = call <32 x i8> @llvm.umul.fix.v32i8(<32 x i8> undef, <32 x i8> undef, i32 3)
diff --git a/llvm/test/Analysis/CostModel/X86/arith-overflow.ll b/llvm/test/Analysis/CostModel/X86/arith-overflow.ll
index 9a32f22503a4..64fed4bd57c6 100644
--- a/llvm/test/Analysis/CostModel/X86/arith-overflow.ll
+++ b/llvm/test/Analysis/CostModel/X86/arith-overflow.ll
@@ -1076,7 +1076,7 @@ define i32 @smul(i32 %arg) {
; AVX512F-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %I16 = call { i16, i1 } @llvm.smul.with.overflow.i16(i16 undef, i16 undef)
; AVX512F-NEXT: Cost Model: Found an estimated cost of 11 for instruction: %V8I16 = call { <8 x i16>, <8 x i1> } @llvm.smul.with.overflow.v8i16(<8 x i16> undef, <8 x i16> undef)
; AVX512F-NEXT: Cost Model: Found an estimated cost of 11 for instruction: %V16I16 = call { <16 x i16>, <16 x i1> } @llvm.smul.with.overflow.v16i16(<16 x i16> undef, <16 x i16> undef)
-; AVX512F-NEXT: Cost Model: Found an estimated cost of 25 for instruction: %V32I16 = call { <32 x i16>, <32 x i1> } @llvm.smul.with.overflow.v32i16(<32 x i16> undef, <32 x i16> undef)
+; AVX512F-NEXT: Cost Model: Found an estimated cost of 23 for instruction: %V32I16 = call { <32 x i16>, <32 x i1> } @llvm.smul.with.overflow.v32i16(<32 x i16> undef, <32 x i16> undef)
; AVX512F-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %I8 = call { i8, i1 } @llvm.smul.with.overflow.i8(i8 undef, i8 undef)
; AVX512F-NEXT: Cost Model: Found an estimated cost of 16 for instruction: %V16I8 = call { <16 x i8>, <16 x i1> } @llvm.smul.with.overflow.v16i8(<16 x i8> undef, <16 x i8> undef)
; AVX512F-NEXT: Cost Model: Found an estimated cost of 32 for instruction: %V32I8 = call { <32 x i8>, <32 x i1> } @llvm.smul.with.overflow.v32i8(<32 x i8> undef, <32 x i8> undef)
@@ -1095,7 +1095,7 @@ define i32 @smul(i32 %arg) {
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %I16 = call { i16, i1 } @llvm.smul.with.overflow.i16(i16 undef, i16 undef)
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 10 for instruction: %V8I16 = call { <8 x i16>, <8 x i1> } @llvm.smul.with.overflow.v8i16(<8 x i16> undef, <8 x i16> undef)
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 10 for instruction: %V16I16 = call { <16 x i16>, <16 x i1> } @llvm.smul.with.overflow.v16i16(<16 x i16> undef, <16 x i16> undef)
-; AVX512BW-NEXT: Cost Model: Found an estimated cost of 22 for instruction: %V32I16 = call { <32 x i16>, <32 x i1> } @llvm.smul.with.overflow.v32i16(<32 x i16> undef, <32 x i16> undef)
+; AVX512BW-NEXT: Cost Model: Found an estimated cost of 20 for instruction: %V32I16 = call { <32 x i16>, <32 x i1> } @llvm.smul.with.overflow.v32i16(<32 x i16> undef, <32 x i16> undef)
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %I8 = call { i8, i1 } @llvm.smul.with.overflow.i8(i8 undef, i8 undef)
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 13 for instruction: %V16I8 = call { <16 x i8>, <16 x i1> } @llvm.smul.with.overflow.v16i8(<16 x i8> undef, <16 x i8> undef)
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 13 for instruction: %V32I8 = call { <32 x i8>, <32 x i1> } @llvm.smul.with.overflow.v32i8(<32 x i8> undef, <32 x i8> undef)
@@ -1114,7 +1114,7 @@ define i32 @smul(i32 %arg) {
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %I16 = call { i16, i1 } @llvm.smul.with.overflow.i16(i16 undef, i16 undef)
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 11 for instruction: %V8I16 = call { <8 x i16>, <8 x i1> } @llvm.smul.with.overflow.v8i16(<8 x i16> undef, <8 x i16> undef)
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 11 for instruction: %V16I16 = call { <16 x i16>, <16 x i1> } @llvm.smul.with.overflow.v16i16(<16 x i16> undef, <16 x i16> undef)
-; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 25 for instruction: %V32I16 = call { <32 x i16>, <32 x i1> } @llvm.smul.with.overflow.v32i16(<32 x i16> undef, <32 x i16> undef)
+; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 23 for instruction: %V32I16 = call { <32 x i16>, <32 x i1> } @llvm.smul.with.overflow.v32i16(<32 x i16> undef, <32 x i16> undef)
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %I8 = call { i8, i1 } @llvm.smul.with.overflow.i8(i8 undef, i8 undef)
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 16 for instruction: %V16I8 = call { <16 x i8>, <16 x i1> } @llvm.smul.with.overflow.v16i8(<16 x i8> undef, <16 x i8> undef)
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 32 for instruction: %V32I8 = call { <32 x i8>, <32 x i1> } @llvm.smul.with.overflow.v32i8(<32 x i8> undef, <32 x i8> undef)
@@ -1314,7 +1314,7 @@ define i32 @umul(i32 %arg) {
; AVX512F-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %I16 = call { i16, i1 } @llvm.umul.with.overflow.i16(i16 undef, i16 undef)
; AVX512F-NEXT: Cost Model: Found an estimated cost of 10 for instruction: %V8I16 = call { <8 x i16>, <8 x i1> } @llvm.umul.with.overflow.v8i16(<8 x i16> undef, <8 x i16> undef)
; AVX512F-NEXT: Cost Model: Found an estimated cost of 10 for instruction: %V16I16 = call { <16 x i16>, <16 x i1> } @llvm.umul.with.overflow.v16i16(<16 x i16> undef, <16 x i16> undef)
-; AVX512F-NEXT: Cost Model: Found an estimated cost of 23 for instruction: %V32I16 = call { <32 x i16>, <32 x i1> } @llvm.umul.with.overflow.v32i16(<32 x i16> undef, <32 x i16> undef)
+; AVX512F-NEXT: Cost Model: Found an estimated cost of 21 for instruction: %V32I16 = call { <32 x i16>, <32 x i1> } @llvm.umul.with.overflow.v32i16(<32 x i16> undef, <32 x i16> undef)
; AVX512F-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %I8 = call { i8, i1 } @llvm.umul.with.overflow.i8(i8 undef, i8 undef)
; AVX512F-NEXT: Cost Model: Found an estimated cost of 12 for instruction: %V16I8 = call { <16 x i8>, <16 x i1> } @llvm.umul.with.overflow.v16i8(<16 x i8> undef, <16 x i8> undef)
; AVX512F-NEXT: Cost Model: Found an estimated cost of 28 for instruction: %V32I8 = call { <32 x i8>, <32 x i1> } @llvm.umul.with.overflow.v32i8(<32 x i8> undef, <32 x i8> undef)
@@ -1333,7 +1333,7 @@ define i32 @umul(i32 %arg) {
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %I16 = call { i16, i1 } @llvm.umul.with.overflow.i16(i16 undef, i16 undef)
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 9 for instruction: %V8I16 = call { <8 x i16>, <8 x i1> } @llvm.umul.with.overflow.v8i16(<8 x i16> undef, <8 x i16> undef)
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 9 for instruction: %V16I16 = call { <16 x i16>, <16 x i1> } @llvm.umul.with.overflow.v16i16(<16 x i16> undef, <16 x i16> undef)
-; AVX512BW-NEXT: Cost Model: Found an estimated cost of 21 for instruction: %V32I16 = call { <32 x i16>, <32 x i1> } @llvm.umul.with.overflow.v32i16(<32 x i16> undef, <32 x i16> undef)
+; AVX512BW-NEXT: Cost Model: Found an estimated cost of 19 for instruction: %V32I16 = call { <32 x i16>, <32 x i1> } @llvm.umul.with.overflow.v32i16(<32 x i16> undef, <32 x i16> undef)
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %I8 = call { i8, i1 } @llvm.umul.with.overflow.i8(i8 undef, i8 undef)
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 9 for instruction: %V16I8 = call { <16 x i8>, <16 x i1> } @llvm.umul.with.overflow.v16i8(<16 x i8> undef, <16 x i8> undef)
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 9 for instruction: %V32I8 = call { <32 x i8>, <32 x i1> } @llvm.umul.with.overflow.v32i8(<32 x i8> undef, <32 x i8> undef)
@@ -1352,7 +1352,7 @@ define i32 @umul(i32 %arg) {
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %I16 = call { i16, i1 } @llvm.umul.with.overflow.i16(i16 undef, i16 undef)
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 10 for instruction: %V8I16 = call { <8 x i16>, <8 x i1> } @llvm.umul.with.overflow.v8i16(<8 x i16> undef, <8 x i16> undef)
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 10 for instruction: %V16I16 = call { <16 x i16>, <16 x i1> } @llvm.umul.with.overflow.v16i16(<16 x i16> undef, <16 x i16> undef)
-; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 23 for instruction: %V32I16 = call { <32 x i16>, <32 x i1> } @llvm.umul.with.overflow.v32i16(<32 x i16> undef, <32 x i16> undef)
+; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 21 for instruction: %V32I16 = call { <32 x i16>, <32 x i1> } @llvm.umul.with.overflow.v32i16(<32 x i16> undef, <32 x i16> undef)
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %I8 = call { i8, i1 } @llvm.umul.with.overflow.i8(i8 undef, i8 undef)
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 12 for instruction: %V16I8 = call { <16 x i8>, <16 x i1> } @llvm.umul.with.overflow.v16i8(<16 x i8> undef, <16 x i8> undef)
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 28 for instruction: %V32I8 = call { <32 x i8>, <32 x i1> } @llvm.umul.with.overflow.v32i8(<32 x i8> undef, <32 x i8> undef)
diff --git a/llvm/test/Analysis/CostModel/X86/trunc.ll b/llvm/test/Analysis/CostModel/X86/trunc.ll
index 2d7041f3c67f..7de75e26fcba 100644
--- a/llvm/test/Analysis/CostModel/X86/trunc.ll
+++ b/llvm/test/Analysis/CostModel/X86/trunc.ll
@@ -441,26 +441,26 @@ define i32 @trunc_vXi16() {
; AVX512-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %V12i32 = trunc <12 x i32> undef to <12 x i16>
; AVX512-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %V14i32 = trunc <14 x i32> undef to <14 x i16>
; AVX512-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %V16i32 = trunc <16 x i32> undef to <16 x i16>
-; AVX512-NEXT: Cost Model: Found an estimated cost of 56 for instruction: %V20i32 = trunc <20 x i32> undef to <20 x i16>
-; AVX512-NEXT: Cost Model: Found an estimated cost of 67 for instruction: %V24i32 = trunc <24 x i32> undef to <24 x i16>
-; AVX512-NEXT: Cost Model: Found an estimated cost of 81 for instruction: %V28i32 = trunc <28 x i32> undef to <28 x i16>
-; AVX512-NEXT: Cost Model: Found an estimated cost of 5 for instruction: %V32i32 = trunc <32 x i32> undef to <32 x i16>
-; AVX512-NEXT: Cost Model: Found an estimated cost of 109 for instruction: %V40i32 = trunc <40 x i32> undef to <40 x i16>
-; AVX512-NEXT: Cost Model: Found an estimated cost of 134 for instruction: %V48i32 = trunc <48 x i32> undef to <48 x i16>
-; AVX512-NEXT: Cost Model: Found an estimated cost of 159 for instruction: %V56i32 = trunc <56 x i32> undef to <56 x i16>
-; AVX512-NEXT: Cost Model: Found an estimated cost of 10 for instruction: %V64i32 = trunc <64 x i32> undef to <64 x i16>
-; AVX512-NEXT: Cost Model: Found an estimated cost of 226 for instruction: %V80i32 = trunc <80 x i32> undef to <80 x i16>
-; AVX512-NEXT: Cost Model: Found an estimated cost of 276 for instruction: %V96i32 = trunc <96 x i32> undef to <96 x i16>
-; AVX512-NEXT: Cost Model: Found an estimated cost of 318 for instruction: %V112i32 = trunc <112 x i32> undef to <112 x i16>
-; AVX512-NEXT: Cost Model: Found an estimated cost of 20 for instruction: %V128i32 = trunc <128 x i32> undef to <128 x i16>
-; AVX512-NEXT: Cost Model: Found an estimated cost of 460 for instruction: %V160i32 = trunc <160 x i32> undef to <160 x i16>
-; AVX512-NEXT: Cost Model: Found an estimated cost of 552 for instruction: %V192i32 = trunc <192 x i32> undef to <192 x i16>
-; AVX512-NEXT: Cost Model: Found an estimated cost of 644 for instruction: %V224i32 = trunc <224 x i32> undef to <224 x i16>
-; AVX512-NEXT: Cost Model: Found an estimated cost of 40 for instruction: %V256i32 = trunc <256 x i32> undef to <256 x i16>
-; AVX512-NEXT: Cost Model: Found an estimated cost of 920 for instruction: %V320i32 = trunc <320 x i32> undef to <320 x i16>
-; AVX512-NEXT: Cost Model: Found an estimated cost of 1104 for instruction: %V384i32 = trunc <384 x i32> undef to <384 x i16>
-; AVX512-NEXT: Cost Model: Found an estimated cost of 1288 for instruction: %V448i32 = trunc <448 x i32> undef to <448 x i16>
-; AVX512-NEXT: Cost Model: Found an estimated cost of 80 for instruction: %V512i32 = trunc <512 x i32> undef to <512 x i16>
+; AVX512-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %V20i32 = trunc <20 x i32> undef to <20 x i16>
+; AVX512-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %V24i32 = trunc <24 x i32> undef to <24 x i16>
+; AVX512-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %V28i32 = trunc <28 x i32> undef to <28 x i16>
+; AVX512-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %V32i32 = trunc <32 x i32> undef to <32 x i16>
+; AVX512-NEXT: Cost Model: Found an estimated cost of 8 for instruction: %V40i32 = trunc <40 x i32> undef to <40 x i16>
+; AVX512-NEXT: Cost Model: Found an estimated cost of 8 for instruction: %V48i32 = trunc <48 x i32> undef to <48 x i16>
+; AVX512-NEXT: Cost Model: Found an estimated cost of 8 for instruction: %V56i32 = trunc <56 x i32> undef to <56 x i16>
+; AVX512-NEXT: Cost Model: Found an estimated cost of 8 for instruction: %V64i32 = trunc <64 x i32> undef to <64 x i16>
+; AVX512-NEXT: Cost Model: Found an estimated cost of 16 for instruction: %V80i32 = trunc <80 x i32> undef to <80 x i16>
+; AVX512-NEXT: Cost Model: Found an estimated cost of 16 for instruction: %V96i32 = trunc <96 x i32> undef to <96 x i16>
+; AVX512-NEXT: Cost Model: Found an estimated cost of 16 for instruction: %V112i32 = trunc <112 x i32> undef to <112 x i16>
+; AVX512-NEXT: Cost Model: Found an estimated cost of 16 for instruction: %V128i32 = trunc <128 x i32> undef to <128 x i16>
+; AVX512-NEXT: Cost Model: Found an estimated cost of 32 for instruction: %V160i32 = trunc <160 x i32> undef to <160 x i16>
+; AVX512-NEXT: Cost Model: Found an estimated cost of 32 for instruction: %V192i32 = trunc <192 x i32> undef to <192 x i16>
+; AVX512-NEXT: Cost Model: Found an estimated cost of 32 for instruction: %V224i32 = trunc <224 x i32> undef to <224 x i16>
+; AVX512-NEXT: Cost Model: Found an estimated cost of 32 for instruction: %V256i32 = trunc <256 x i32> undef to <256 x i16>
+; AVX512-NEXT: Cost Model: Found an estimated cost of 64 for instruction: %V320i32 = trunc <320 x i32> undef to <320 x i16>
+; AVX512-NEXT: Cost Model: Found an estimated cost of 64 for instruction: %V384i32 = trunc <384 x i32> undef to <384 x i16>
+; AVX512-NEXT: Cost Model: Found an estimated cost of 64 for instruction: %V448i32 = trunc <448 x i32> undef to <448 x i16>
+; AVX512-NEXT: Cost Model: Found an estimated cost of 64 for instruction: %V512i32 = trunc <512 x i32> undef to <512 x i16>
; AVX512-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
;
; BTVER2-LABEL: 'trunc_vXi16'
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