[llvm] b938168 - [X86] Lower the cost of v4i64->v4i32 truncate with avx512.
Craig Topper via llvm-commits
llvm-commits at lists.llvm.org
Fri May 1 11:10:12 PDT 2020
Author: Craig Topper
Date: 2020-05-01T11:09:37-07:00
New Revision: b938168aef995f8d9b6695a0dc0ef71c25b71968
URL: https://github.com/llvm/llvm-project/commit/b938168aef995f8d9b6695a0dc0ef71c25b71968
DIFF: https://github.com/llvm/llvm-project/commit/b938168aef995f8d9b6695a0dc0ef71c25b71968.diff
LOG: [X86] Lower the cost of v4i64->v4i32 truncate with avx512.
We use the vpmovqd instruction which is a single uop. So
the cost should be 1.
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/cast.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 368cc132a8c8..cdc296446724 100644
--- a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp
+++ b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp
@@ -1447,6 +1447,7 @@ int X86TTIImpl::getCastInstrCost(unsigned Opcode, Type *Dst, Type *Src,
{ ISD::TRUNCATE, MVT::v8i8, MVT::v8i64, 2 },
{ ISD::TRUNCATE, MVT::v8i16, MVT::v8i64, 2 },
{ ISD::TRUNCATE, MVT::v8i32, MVT::v8i64, 1 },
+ { ISD::TRUNCATE, MVT::v4i32, MVT::v4i64, 1 }, // zmm vpmovqd
{ ISD::TRUNCATE, MVT::v16i8, MVT::v16i64, 5 },// 2*vpmovqd+concat+vpmovdb
{ ISD::TRUNCATE, MVT::v16i8, MVT::v16i16, 3 }, // extend to v16i32
@@ -1608,6 +1609,7 @@ int X86TTIImpl::getCastInstrCost(unsigned Opcode, Type *Dst, Type *Src,
{ ISD::TRUNCATE, MVT::v8i1, MVT::v8i32, 2 }, // vpslld+vptestmd
{ ISD::TRUNCATE, MVT::v2i1, MVT::v2i64, 2 }, // vpsllq+vptestmq
{ ISD::TRUNCATE, MVT::v4i1, MVT::v4i64, 2 }, // vpsllq+vptestmq
+ { ISD::TRUNCATE, MVT::v4i32, MVT::v4i64, 1 }, // vpmovqd
// sign extend is vpcmpeq+maskedmove+vpmovdw+vpacksswb
// zero extend is vpcmpeq+maskedmove+vpmovdw+vpsrlw+vpackuswb
diff --git a/llvm/test/Analysis/CostModel/X86/arith-fix.ll b/llvm/test/Analysis/CostModel/X86/arith-fix.ll
index ff45db8f2d09..1fe67defb7db 100644
--- a/llvm/test/Analysis/CostModel/X86/arith-fix.ll
+++ b/llvm/test/Analysis/CostModel/X86/arith-fix.ll
@@ -114,7 +114,7 @@ define i32 @smul(i32 %arg) {
; AVX512F-NEXT: Cost Model: Found an estimated cost of 39 for instruction: %V4I64 = call <4 x i64> @llvm.smul.fix.v4i64(<4 x i64> undef, <4 x i64> undef, i32 3)
; AVX512F-NEXT: Cost Model: Found an estimated cost of 79 for instruction: %V8I64 = call <8 x i64> @llvm.smul.fix.v8i64(<8 x i64> undef, <8 x i64> undef, i32 3)
; AVX512F-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %I32 = call i32 @llvm.smul.fix.i32(i32 undef, i32 undef, i32 3)
-; AVX512F-NEXT: Cost Model: Found an estimated cost of 17 for instruction: %V4I32 = call <4 x i32> @llvm.smul.fix.v4i32(<4 x i32> undef, <4 x i32> undef, i32 3)
+; AVX512F-NEXT: Cost Model: Found an estimated cost of 15 for instruction: %V4I32 = call <4 x i32> @llvm.smul.fix.v4i32(<4 x i32> undef, <4 x i32> undef, i32 3)
; AVX512F-NEXT: Cost Model: Found an estimated cost of 15 for instruction: %V8I32 = call <8 x i32> @llvm.smul.fix.v8i32(<8 x i32> undef, <8 x i32> undef, i32 3)
; AVX512F-NEXT: Cost Model: Found an estimated cost of 31 for instruction: %V16I32 = call <16 x i32> @llvm.smul.fix.v16i32(<16 x i32> undef, <16 x i32> undef, i32 3)
; 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)
@@ -133,7 +133,7 @@ define i32 @smul(i32 %arg) {
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 39 for instruction: %V4I64 = call <4 x i64> @llvm.smul.fix.v4i64(<4 x i64> undef, <4 x i64> undef, i32 3)
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 79 for instruction: %V8I64 = call <8 x i64> @llvm.smul.fix.v8i64(<8 x i64> undef, <8 x i64> undef, i32 3)
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %I32 = call i32 @llvm.smul.fix.i32(i32 undef, i32 undef, i32 3)
-; AVX512BW-NEXT: Cost Model: Found an estimated cost of 17 for instruction: %V4I32 = call <4 x i32> @llvm.smul.fix.v4i32(<4 x i32> undef, <4 x i32> undef, i32 3)
+; AVX512BW-NEXT: Cost Model: Found an estimated cost of 15 for instruction: %V4I32 = call <4 x i32> @llvm.smul.fix.v4i32(<4 x i32> undef, <4 x i32> undef, i32 3)
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 15 for instruction: %V8I32 = call <8 x i32> @llvm.smul.fix.v8i32(<8 x i32> undef, <8 x i32> undef, i32 3)
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 31 for instruction: %V16I32 = call <16 x i32> @llvm.smul.fix.v16i32(<16 x i32> undef, <16 x i32> undef, i32 3)
; 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)
@@ -152,7 +152,7 @@ define i32 @smul(i32 %arg) {
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 39 for instruction: %V4I64 = call <4 x i64> @llvm.smul.fix.v4i64(<4 x i64> undef, <4 x i64> undef, i32 3)
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 79 for instruction: %V8I64 = call <8 x i64> @llvm.smul.fix.v8i64(<8 x i64> undef, <8 x i64> undef, i32 3)
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %I32 = call i32 @llvm.smul.fix.i32(i32 undef, i32 undef, i32 3)
-; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 10 for instruction: %V4I32 = call <4 x i32> @llvm.smul.fix.v4i32(<4 x i32> undef, <4 x i32> undef, i32 3)
+; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 8 for instruction: %V4I32 = call <4 x i32> @llvm.smul.fix.v4i32(<4 x i32> undef, <4 x i32> undef, i32 3)
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 8 for instruction: %V8I32 = call <8 x i32> @llvm.smul.fix.v8i32(<8 x i32> undef, <8 x i32> undef, i32 3)
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 17 for instruction: %V16I32 = call <16 x i32> @llvm.smul.fix.v16i32(<16 x i32> undef, <16 x i32> undef, i32 3)
; 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)
@@ -348,7 +348,7 @@ define i32 @umul(i32 %arg) {
; AVX512F-NEXT: Cost Model: Found an estimated cost of 39 for instruction: %V4I64 = call <4 x i64> @llvm.umul.fix.v4i64(<4 x i64> undef, <4 x i64> undef, i32 3)
; AVX512F-NEXT: Cost Model: Found an estimated cost of 79 for instruction: %V8I64 = call <8 x i64> @llvm.umul.fix.v8i64(<8 x i64> undef, <8 x i64> undef, i32 3)
; AVX512F-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %I32 = call i32 @llvm.umul.fix.i32(i32 undef, i32 undef, i32 3)
-; AVX512F-NEXT: Cost Model: Found an estimated cost of 17 for instruction: %V4I32 = call <4 x i32> @llvm.umul.fix.v4i32(<4 x i32> undef, <4 x i32> undef, i32 3)
+; AVX512F-NEXT: Cost Model: Found an estimated cost of 15 for instruction: %V4I32 = call <4 x i32> @llvm.umul.fix.v4i32(<4 x i32> undef, <4 x i32> undef, i32 3)
; AVX512F-NEXT: Cost Model: Found an estimated cost of 15 for instruction: %V8I32 = call <8 x i32> @llvm.umul.fix.v8i32(<8 x i32> undef, <8 x i32> undef, i32 3)
; AVX512F-NEXT: Cost Model: Found an estimated cost of 31 for instruction: %V16I32 = call <16 x i32> @llvm.umul.fix.v16i32(<16 x i32> undef, <16 x i32> undef, i32 3)
; 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)
@@ -367,7 +367,7 @@ define i32 @umul(i32 %arg) {
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 39 for instruction: %V4I64 = call <4 x i64> @llvm.umul.fix.v4i64(<4 x i64> undef, <4 x i64> undef, i32 3)
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 79 for instruction: %V8I64 = call <8 x i64> @llvm.umul.fix.v8i64(<8 x i64> undef, <8 x i64> undef, i32 3)
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %I32 = call i32 @llvm.umul.fix.i32(i32 undef, i32 undef, i32 3)
-; AVX512BW-NEXT: Cost Model: Found an estimated cost of 17 for instruction: %V4I32 = call <4 x i32> @llvm.umul.fix.v4i32(<4 x i32> undef, <4 x i32> undef, i32 3)
+; AVX512BW-NEXT: Cost Model: Found an estimated cost of 15 for instruction: %V4I32 = call <4 x i32> @llvm.umul.fix.v4i32(<4 x i32> undef, <4 x i32> undef, i32 3)
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 15 for instruction: %V8I32 = call <8 x i32> @llvm.umul.fix.v8i32(<8 x i32> undef, <8 x i32> undef, i32 3)
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 31 for instruction: %V16I32 = call <16 x i32> @llvm.umul.fix.v16i32(<16 x i32> undef, <16 x i32> undef, i32 3)
; 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)
@@ -386,7 +386,7 @@ define i32 @umul(i32 %arg) {
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 39 for instruction: %V4I64 = call <4 x i64> @llvm.umul.fix.v4i64(<4 x i64> undef, <4 x i64> undef, i32 3)
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 79 for instruction: %V8I64 = call <8 x i64> @llvm.umul.fix.v8i64(<8 x i64> undef, <8 x i64> undef, i32 3)
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %I32 = call i32 @llvm.umul.fix.i32(i32 undef, i32 undef, i32 3)
-; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 10 for instruction: %V4I32 = call <4 x i32> @llvm.umul.fix.v4i32(<4 x i32> undef, <4 x i32> undef, i32 3)
+; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 8 for instruction: %V4I32 = call <4 x i32> @llvm.umul.fix.v4i32(<4 x i32> undef, <4 x i32> undef, i32 3)
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 8 for instruction: %V8I32 = call <8 x i32> @llvm.umul.fix.v8i32(<8 x i32> undef, <8 x i32> undef, i32 3)
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 17 for instruction: %V16I32 = call <16 x i32> @llvm.umul.fix.v16i32(<16 x i32> undef, <16 x i32> undef, i32 3)
; 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)
diff --git a/llvm/test/Analysis/CostModel/X86/arith-overflow.ll b/llvm/test/Analysis/CostModel/X86/arith-overflow.ll
index 83845617e15e..eb2bcbc409f4 100644
--- a/llvm/test/Analysis/CostModel/X86/arith-overflow.ll
+++ b/llvm/test/Analysis/CostModel/X86/arith-overflow.ll
@@ -1070,7 +1070,7 @@ define i32 @smul(i32 %arg) {
; AVX512F-NEXT: Cost Model: Found an estimated cost of 39 for instruction: %V4I64 = call { <4 x i64>, <4 x i1> } @llvm.smul.with.overflow.v4i64(<4 x i64> undef, <4 x i64> undef)
; AVX512F-NEXT: Cost Model: Found an estimated cost of 79 for instruction: %V8I64 = call { <8 x i64>, <8 x i1> } @llvm.smul.with.overflow.v8i64(<8 x i64> undef, <8 x i64> undef)
; AVX512F-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %I32 = call { i32, i1 } @llvm.smul.with.overflow.i32(i32 undef, i32 undef)
-; AVX512F-NEXT: Cost Model: Found an estimated cost of 17 for instruction: %V4I32 = call { <4 x i32>, <4 x i1> } @llvm.smul.with.overflow.v4i32(<4 x i32> undef, <4 x i32> undef)
+; AVX512F-NEXT: Cost Model: Found an estimated cost of 15 for instruction: %V4I32 = call { <4 x i32>, <4 x i1> } @llvm.smul.with.overflow.v4i32(<4 x i32> undef, <4 x i32> undef)
; AVX512F-NEXT: Cost Model: Found an estimated cost of 15 for instruction: %V8I32 = call { <8 x i32>, <8 x i1> } @llvm.smul.with.overflow.v8i32(<8 x i32> undef, <8 x i32> undef)
; AVX512F-NEXT: Cost Model: Found an estimated cost of 31 for instruction: %V16I32 = call { <16 x i32>, <16 x i1> } @llvm.smul.with.overflow.v16i32(<16 x i32> undef, <16 x i32> undef)
; AVX512F-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %I16 = call { i16, i1 } @llvm.smul.with.overflow.i16(i16 undef, i16 undef)
@@ -1089,7 +1089,7 @@ define i32 @smul(i32 %arg) {
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 39 for instruction: %V4I64 = call { <4 x i64>, <4 x i1> } @llvm.smul.with.overflow.v4i64(<4 x i64> undef, <4 x i64> undef)
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 79 for instruction: %V8I64 = call { <8 x i64>, <8 x i1> } @llvm.smul.with.overflow.v8i64(<8 x i64> undef, <8 x i64> undef)
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %I32 = call { i32, i1 } @llvm.smul.with.overflow.i32(i32 undef, i32 undef)
-; AVX512BW-NEXT: Cost Model: Found an estimated cost of 17 for instruction: %V4I32 = call { <4 x i32>, <4 x i1> } @llvm.smul.with.overflow.v4i32(<4 x i32> undef, <4 x i32> undef)
+; AVX512BW-NEXT: Cost Model: Found an estimated cost of 15 for instruction: %V4I32 = call { <4 x i32>, <4 x i1> } @llvm.smul.with.overflow.v4i32(<4 x i32> undef, <4 x i32> undef)
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 15 for instruction: %V8I32 = call { <8 x i32>, <8 x i1> } @llvm.smul.with.overflow.v8i32(<8 x i32> undef, <8 x i32> undef)
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 31 for instruction: %V16I32 = call { <16 x i32>, <16 x i1> } @llvm.smul.with.overflow.v16i32(<16 x i32> undef, <16 x i32> undef)
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %I16 = call { i16, i1 } @llvm.smul.with.overflow.i16(i16 undef, i16 undef)
@@ -1108,7 +1108,7 @@ define i32 @smul(i32 %arg) {
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 39 for instruction: %V4I64 = call { <4 x i64>, <4 x i1> } @llvm.smul.with.overflow.v4i64(<4 x i64> undef, <4 x i64> undef)
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 79 for instruction: %V8I64 = call { <8 x i64>, <8 x i1> } @llvm.smul.with.overflow.v8i64(<8 x i64> undef, <8 x i64> undef)
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %I32 = call { i32, i1 } @llvm.smul.with.overflow.i32(i32 undef, i32 undef)
-; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 10 for instruction: %V4I32 = call { <4 x i32>, <4 x i1> } @llvm.smul.with.overflow.v4i32(<4 x i32> undef, <4 x i32> undef)
+; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 8 for instruction: %V4I32 = call { <4 x i32>, <4 x i1> } @llvm.smul.with.overflow.v4i32(<4 x i32> undef, <4 x i32> undef)
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 8 for instruction: %V8I32 = call { <8 x i32>, <8 x i1> } @llvm.smul.with.overflow.v8i32(<8 x i32> undef, <8 x i32> undef)
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 17 for instruction: %V16I32 = call { <16 x i32>, <16 x i1> } @llvm.smul.with.overflow.v16i32(<16 x i32> undef, <16 x i32> undef)
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %I16 = call { i16, i1 } @llvm.smul.with.overflow.i16(i16 undef, i16 undef)
@@ -1308,7 +1308,7 @@ define i32 @umul(i32 %arg) {
; AVX512F-NEXT: Cost Model: Found an estimated cost of 38 for instruction: %V4I64 = call { <4 x i64>, <4 x i1> } @llvm.umul.with.overflow.v4i64(<4 x i64> undef, <4 x i64> undef)
; AVX512F-NEXT: Cost Model: Found an estimated cost of 78 for instruction: %V8I64 = call { <8 x i64>, <8 x i1> } @llvm.umul.with.overflow.v8i64(<8 x i64> undef, <8 x i64> undef)
; AVX512F-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %I32 = call { i32, i1 } @llvm.umul.with.overflow.i32(i32 undef, i32 undef)
-; AVX512F-NEXT: Cost Model: Found an estimated cost of 16 for instruction: %V4I32 = call { <4 x i32>, <4 x i1> } @llvm.umul.with.overflow.v4i32(<4 x i32> undef, <4 x i32> undef)
+; AVX512F-NEXT: Cost Model: Found an estimated cost of 14 for instruction: %V4I32 = call { <4 x i32>, <4 x i1> } @llvm.umul.with.overflow.v4i32(<4 x i32> undef, <4 x i32> undef)
; AVX512F-NEXT: Cost Model: Found an estimated cost of 14 for instruction: %V8I32 = call { <8 x i32>, <8 x i1> } @llvm.umul.with.overflow.v8i32(<8 x i32> undef, <8 x i32> undef)
; AVX512F-NEXT: Cost Model: Found an estimated cost of 30 for instruction: %V16I32 = call { <16 x i32>, <16 x i1> } @llvm.umul.with.overflow.v16i32(<16 x i32> undef, <16 x i32> undef)
; AVX512F-NEXT: Cost Model: Found an estimated cost of 5 for instruction: %I16 = call { i16, i1 } @llvm.umul.with.overflow.i16(i16 undef, i16 undef)
@@ -1327,7 +1327,7 @@ define i32 @umul(i32 %arg) {
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 38 for instruction: %V4I64 = call { <4 x i64>, <4 x i1> } @llvm.umul.with.overflow.v4i64(<4 x i64> undef, <4 x i64> undef)
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 78 for instruction: %V8I64 = call { <8 x i64>, <8 x i1> } @llvm.umul.with.overflow.v8i64(<8 x i64> undef, <8 x i64> undef)
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %I32 = call { i32, i1 } @llvm.umul.with.overflow.i32(i32 undef, i32 undef)
-; AVX512BW-NEXT: Cost Model: Found an estimated cost of 16 for instruction: %V4I32 = call { <4 x i32>, <4 x i1> } @llvm.umul.with.overflow.v4i32(<4 x i32> undef, <4 x i32> undef)
+; AVX512BW-NEXT: Cost Model: Found an estimated cost of 14 for instruction: %V4I32 = call { <4 x i32>, <4 x i1> } @llvm.umul.with.overflow.v4i32(<4 x i32> undef, <4 x i32> undef)
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 14 for instruction: %V8I32 = call { <8 x i32>, <8 x i1> } @llvm.umul.with.overflow.v8i32(<8 x i32> undef, <8 x i32> undef)
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 30 for instruction: %V16I32 = call { <16 x i32>, <16 x i1> } @llvm.umul.with.overflow.v16i32(<16 x i32> undef, <16 x i32> undef)
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 5 for instruction: %I16 = call { i16, i1 } @llvm.umul.with.overflow.i16(i16 undef, i16 undef)
@@ -1346,7 +1346,7 @@ define i32 @umul(i32 %arg) {
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 38 for instruction: %V4I64 = call { <4 x i64>, <4 x i1> } @llvm.umul.with.overflow.v4i64(<4 x i64> undef, <4 x i64> undef)
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 78 for instruction: %V8I64 = call { <8 x i64>, <8 x i1> } @llvm.umul.with.overflow.v8i64(<8 x i64> undef, <8 x i64> undef)
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %I32 = call { i32, i1 } @llvm.umul.with.overflow.i32(i32 undef, i32 undef)
-; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 9 for instruction: %V4I32 = call { <4 x i32>, <4 x i1> } @llvm.umul.with.overflow.v4i32(<4 x i32> undef, <4 x i32> undef)
+; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 7 for instruction: %V4I32 = call { <4 x i32>, <4 x i1> } @llvm.umul.with.overflow.v4i32(<4 x i32> undef, <4 x i32> undef)
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 7 for instruction: %V8I32 = call { <8 x i32>, <8 x i1> } @llvm.umul.with.overflow.v8i32(<8 x i32> undef, <8 x i32> undef)
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 16 for instruction: %V16I32 = call { <16 x i32>, <16 x i1> } @llvm.umul.with.overflow.v16i32(<16 x i32> undef, <16 x i32> undef)
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 5 for instruction: %I16 = call { i16, i1 } @llvm.umul.with.overflow.i16(i16 undef, i16 undef)
diff --git a/llvm/test/Analysis/CostModel/X86/cast.ll b/llvm/test/Analysis/CostModel/X86/cast.ll
index 60a7132ede4f..daba39865fcd 100644
--- a/llvm/test/Analysis/CostModel/X86/cast.ll
+++ b/llvm/test/Analysis/CostModel/X86/cast.ll
@@ -210,7 +210,7 @@ define i32 @zext_sext(<8 x i1> %in) {
; AVX512F-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %D3 = zext <16 x i16> undef to <16 x i32>
; AVX512F-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %D4 = zext <16 x i8> undef to <16 x i32>
; AVX512F-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %D5 = zext <16 x i1> undef to <16 x i32>
-; AVX512F-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %E = trunc <4 x i64> undef to <4 x i32>
+; AVX512F-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %E = trunc <4 x i64> undef to <4 x i32>
; AVX512F-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %F = trunc <8 x i32> undef to <8 x i16>
; AVX512F-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %F1 = trunc <16 x i16> undef to <16 x i8>
; AVX512F-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %F2 = trunc <8 x i32> undef to <8 x i8>
@@ -240,7 +240,7 @@ define i32 @zext_sext(<8 x i1> %in) {
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %D3 = zext <16 x i16> undef to <16 x i32>
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %D4 = zext <16 x i8> undef to <16 x i32>
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %D5 = zext <16 x i1> undef to <16 x i32>
-; AVX512BW-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %E = trunc <4 x i64> undef to <4 x i32>
+; AVX512BW-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %E = trunc <4 x i64> undef to <4 x i32>
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %F = trunc <8 x i32> undef to <8 x i16>
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %F1 = trunc <16 x i16> undef to <16 x i8>
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %F2 = trunc <8 x i32> undef to <8 x i8>
@@ -270,7 +270,7 @@ define i32 @zext_sext(<8 x i1> %in) {
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %D3 = zext <16 x i16> undef to <16 x i32>
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %D4 = zext <16 x i8> undef to <16 x i32>
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %D5 = zext <16 x i1> undef to <16 x i32>
-; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %E = trunc <4 x i64> undef to <4 x i32>
+; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %E = trunc <4 x i64> undef to <4 x i32>
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %F = trunc <8 x i32> undef to <8 x i16>
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %F1 = trunc <16 x i16> undef to <16 x i8>
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %F2 = trunc <8 x i32> undef to <8 x i8>
diff --git a/llvm/test/Analysis/CostModel/X86/trunc.ll b/llvm/test/Analysis/CostModel/X86/trunc.ll
index 483554d28bf0..ea7117774876 100644
--- a/llvm/test/Analysis/CostModel/X86/trunc.ll
+++ b/llvm/test/Analysis/CostModel/X86/trunc.ll
@@ -28,7 +28,7 @@ define i32 @trunc_vXi32() {
;
; AVX512-LABEL: 'trunc_vXi32'
; AVX512-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V2i64 = trunc <2 x i64> undef to <2 x i32>
-; AVX512-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %V4i64 = trunc <4 x i64> undef to <4 x i32>
+; AVX512-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V4i64 = trunc <4 x i64> undef to <4 x i32>
; AVX512-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V8i64 = trunc <8 x i64> undef to <8 x i32>
; AVX512-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %V16i64 = trunc <16 x i64> undef to <16 x i32>
; AVX512-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
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