Revert "[X86] Enable -x86-experimental-vector-widening-legalization by default."

This reverts commit 3de33245d2c992c9e0af60372043540b60f3a810.

This commit broke the MSan buildbots. See
https://reviews.llvm.org/rL367901 for more information.

llvm-svn: 368107

1 files changed, 38 insertions, 38 deletions

diff --git a/llvm/test/Analysis/CostModel/X86/reduce-umax.ll b/llvm/test/Analysis/CostModel/X86/reduce-umax.ll
index f77915e1b35..1259bdf8cb6 100644
--- a/llvm/test/Analysis/CostModel/X86/reduce-umax.ll
+++ b/llvm/test/Analysis/CostModel/X86/reduce-umax.ll
@@ -83,7 +83,7 @@ define i32 @reduce_i32(i32 %arg) {
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
 ;
 ; SSE42-LABEL: 'reduce_i32'
-; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2 = call i32 @llvm.experimental.vector.reduce.umax.v2i32(<2 x i32> undef)
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 7 for instruction: %V2 = call i32 @llvm.experimental.vector.reduce.umax.v2i32(<2 x i32> undef)
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4 = call i32 @llvm.experimental.vector.reduce.umax.v4i32(<4 x i32> undef)
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V8 = call i32 @llvm.experimental.vector.reduce.umax.v8i32(<8 x i32> undef)
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %V16 = call i32 @llvm.experimental.vector.reduce.umax.v16i32(<16 x i32> undef)
@@ -91,7 +91,7 @@ define i32 @reduce_i32(i32 %arg) {
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
 ;
 ; AVX1-LABEL: 'reduce_i32'
-; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2 = call i32 @llvm.experimental.vector.reduce.umax.v2i32(<2 x i32> undef)
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V2 = call i32 @llvm.experimental.vector.reduce.umax.v2i32(<2 x i32> undef)
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4 = call i32 @llvm.experimental.vector.reduce.umax.v4i32(<4 x i32> undef)
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V8 = call i32 @llvm.experimental.vector.reduce.umax.v8i32(<8 x i32> undef)
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %V16 = call i32 @llvm.experimental.vector.reduce.umax.v16i32(<16 x i32> undef)
@@ -99,7 +99,7 @@ define i32 @reduce_i32(i32 %arg) {
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
 ;
 ; AVX2-LABEL: 'reduce_i32'
-; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2 = call i32 @llvm.experimental.vector.reduce.umax.v2i32(<2 x i32> undef)
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V2 = call i32 @llvm.experimental.vector.reduce.umax.v2i32(<2 x i32> undef)
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4 = call i32 @llvm.experimental.vector.reduce.umax.v4i32(<4 x i32> undef)
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V8 = call i32 @llvm.experimental.vector.reduce.umax.v8i32(<8 x i32> undef)
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V16 = call i32 @llvm.experimental.vector.reduce.umax.v16i32(<16 x i32> undef)
@@ -107,7 +107,7 @@ define i32 @reduce_i32(i32 %arg) {
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
 ;
 ; AVX512-LABEL: 'reduce_i32'
-; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2 = call i32 @llvm.experimental.vector.reduce.umax.v2i32(<2 x i32> undef)
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V2 = call i32 @llvm.experimental.vector.reduce.umax.v2i32(<2 x i32> undef)
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4 = call i32 @llvm.experimental.vector.reduce.umax.v4i32(<4 x i32> undef)
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V8 = call i32 @llvm.experimental.vector.reduce.umax.v8i32(<8 x i32> undef)
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V16 = call i32 @llvm.experimental.vector.reduce.umax.v16i32(<16 x i32> undef)
@@ -124,8 +124,8 @@ define i32 @reduce_i32(i32 %arg) {
 
 define i32 @reduce_i16(i32 %arg) {
 ; SSE2-LABEL: 'reduce_i16'
-; SSE2-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %V2 = call i16 @llvm.experimental.vector.reduce.umax.v2i16(<2 x i16> undef)
-; SSE2-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %V4 = call i16 @llvm.experimental.vector.reduce.umax.v4i16(<4 x i16> undef)
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %V2 = call i16 @llvm.experimental.vector.reduce.umax.v2i16(<2 x i16> undef)
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %V4 = call i16 @llvm.experimental.vector.reduce.umax.v4i16(<4 x i16> undef)
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %V8 = call i16 @llvm.experimental.vector.reduce.umax.v8i16(<8 x i16> undef)
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %V16 = call i16 @llvm.experimental.vector.reduce.umax.v16i16(<16 x i16> undef)
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %V32 = call i16 @llvm.experimental.vector.reduce.umax.v32i16(<32 x i16> undef)
@@ -133,8 +133,8 @@ define i32 @reduce_i16(i32 %arg) {
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
 ;
 ; SSSE3-LABEL: 'reduce_i16'
-; SSSE3-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %V2 = call i16 @llvm.experimental.vector.reduce.umax.v2i16(<2 x i16> undef)
-; SSSE3-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %V4 = call i16 @llvm.experimental.vector.reduce.umax.v4i16(<4 x i16> undef)
+; SSSE3-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %V2 = call i16 @llvm.experimental.vector.reduce.umax.v2i16(<2 x i16> undef)
+; SSSE3-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %V4 = call i16 @llvm.experimental.vector.reduce.umax.v4i16(<4 x i16> undef)
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %V8 = call i16 @llvm.experimental.vector.reduce.umax.v8i16(<8 x i16> undef)
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %V16 = call i16 @llvm.experimental.vector.reduce.umax.v16i16(<16 x i16> undef)
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %V32 = call i16 @llvm.experimental.vector.reduce.umax.v32i16(<32 x i16> undef)
@@ -142,7 +142,7 @@ define i32 @reduce_i16(i32 %arg) {
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
 ;
 ; SSE42-LABEL: 'reduce_i16'
-; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2 = call i16 @llvm.experimental.vector.reduce.umax.v2i16(<2 x i16> undef)
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 7 for instruction: %V2 = call i16 @llvm.experimental.vector.reduce.umax.v2i16(<2 x i16> undef)
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4 = call i16 @llvm.experimental.vector.reduce.umax.v4i16(<4 x i16> undef)
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V8 = call i16 @llvm.experimental.vector.reduce.umax.v8i16(<8 x i16> undef)
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V16 = call i16 @llvm.experimental.vector.reduce.umax.v16i16(<16 x i16> undef)
@@ -151,7 +151,7 @@ define i32 @reduce_i16(i32 %arg) {
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
 ;
 ; AVX1-LABEL: 'reduce_i16'
-; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2 = call i16 @llvm.experimental.vector.reduce.umax.v2i16(<2 x i16> undef)
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V2 = call i16 @llvm.experimental.vector.reduce.umax.v2i16(<2 x i16> undef)
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4 = call i16 @llvm.experimental.vector.reduce.umax.v4i16(<4 x i16> undef)
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V8 = call i16 @llvm.experimental.vector.reduce.umax.v8i16(<8 x i16> undef)
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V16 = call i16 @llvm.experimental.vector.reduce.umax.v16i16(<16 x i16> undef)
@@ -160,7 +160,7 @@ define i32 @reduce_i16(i32 %arg) {
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
 ;
 ; AVX2-LABEL: 'reduce_i16'
-; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2 = call i16 @llvm.experimental.vector.reduce.umax.v2i16(<2 x i16> undef)
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V2 = call i16 @llvm.experimental.vector.reduce.umax.v2i16(<2 x i16> undef)
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4 = call i16 @llvm.experimental.vector.reduce.umax.v4i16(<4 x i16> undef)
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V8 = call i16 @llvm.experimental.vector.reduce.umax.v8i16(<8 x i16> undef)
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V16 = call i16 @llvm.experimental.vector.reduce.umax.v16i16(<16 x i16> undef)
@@ -169,7 +169,7 @@ define i32 @reduce_i16(i32 %arg) {
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
 ;
 ; AVX512F-LABEL: 'reduce_i16'
-; AVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2 = call i16 @llvm.experimental.vector.reduce.umax.v2i16(<2 x i16> undef)
+; AVX512F-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V2 = call i16 @llvm.experimental.vector.reduce.umax.v2i16(<2 x i16> undef)
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4 = call i16 @llvm.experimental.vector.reduce.umax.v4i16(<4 x i16> undef)
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V8 = call i16 @llvm.experimental.vector.reduce.umax.v8i16(<8 x i16> undef)
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V16 = call i16 @llvm.experimental.vector.reduce.umax.v16i16(<16 x i16> undef)
@@ -178,7 +178,7 @@ define i32 @reduce_i16(i32 %arg) {
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
 ;
 ; AVX512BW-LABEL: 'reduce_i16'
-; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2 = call i16 @llvm.experimental.vector.reduce.umax.v2i16(<2 x i16> undef)
+; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V2 = call i16 @llvm.experimental.vector.reduce.umax.v2i16(<2 x i16> undef)
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4 = call i16 @llvm.experimental.vector.reduce.umax.v4i16(<4 x i16> undef)
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V8 = call i16 @llvm.experimental.vector.reduce.umax.v8i16(<8 x i16> undef)
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V16 = call i16 @llvm.experimental.vector.reduce.umax.v16i16(<16 x i16> undef)
@@ -187,7 +187,7 @@ define i32 @reduce_i16(i32 %arg) {
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
 ;
 ; AVX512DQ-LABEL: 'reduce_i16'
-; AVX512DQ-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2 = call i16 @llvm.experimental.vector.reduce.umax.v2i16(<2 x i16> undef)
+; AVX512DQ-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V2 = call i16 @llvm.experimental.vector.reduce.umax.v2i16(<2 x i16> undef)
 ; AVX512DQ-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4 = call i16 @llvm.experimental.vector.reduce.umax.v4i16(<4 x i16> undef)
 ; AVX512DQ-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V8 = call i16 @llvm.experimental.vector.reduce.umax.v8i16(<8 x i16> undef)
 ; AVX512DQ-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V16 = call i16 @llvm.experimental.vector.reduce.umax.v16i16(<16 x i16> undef)
@@ -206,9 +206,9 @@ define i32 @reduce_i16(i32 %arg) {
 
 define i32 @reduce_i8(i32 %arg) {
 ; SSE2-LABEL: 'reduce_i8'
-; SSE2-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %V2 = call i8 @llvm.experimental.vector.reduce.umax.v2i8(<2 x i8> undef)
-; SSE2-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %V4 = call i8 @llvm.experimental.vector.reduce.umax.v4i8(<4 x i8> undef)
-; SSE2-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %V8 = call i8 @llvm.experimental.vector.reduce.umax.v8i8(<8 x i8> undef)
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %V2 = call i8 @llvm.experimental.vector.reduce.umax.v2i8(<2 x i8> undef)
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %V4 = call i8 @llvm.experimental.vector.reduce.umax.v4i8(<4 x i8> undef)
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %V8 = call i8 @llvm.experimental.vector.reduce.umax.v8i8(<8 x i8> undef)
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %V16 = call i8 @llvm.experimental.vector.reduce.umax.v16i8(<16 x i8> undef)
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %V32 = call i8 @llvm.experimental.vector.reduce.umax.v32i8(<32 x i8> undef)
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 32 for instruction: %V64 = call i8 @llvm.experimental.vector.reduce.umax.v64i8(<64 x i8> undef)
@@ -216,9 +216,9 @@ define i32 @reduce_i8(i32 %arg) {
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
 ;
 ; SSSE3-LABEL: 'reduce_i8'
-; SSSE3-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %V2 = call i8 @llvm.experimental.vector.reduce.umax.v2i8(<2 x i8> undef)
-; SSSE3-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %V4 = call i8 @llvm.experimental.vector.reduce.umax.v4i8(<4 x i8> undef)
-; SSSE3-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %V8 = call i8 @llvm.experimental.vector.reduce.umax.v8i8(<8 x i8> undef)
+; SSSE3-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %V2 = call i8 @llvm.experimental.vector.reduce.umax.v2i8(<2 x i8> undef)
+; SSSE3-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %V4 = call i8 @llvm.experimental.vector.reduce.umax.v4i8(<4 x i8> undef)
+; SSSE3-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %V8 = call i8 @llvm.experimental.vector.reduce.umax.v8i8(<8 x i8> undef)
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %V16 = call i8 @llvm.experimental.vector.reduce.umax.v16i8(<16 x i8> undef)
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %V32 = call i8 @llvm.experimental.vector.reduce.umax.v32i8(<32 x i8> undef)
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 32 for instruction: %V64 = call i8 @llvm.experimental.vector.reduce.umax.v64i8(<64 x i8> undef)
@@ -226,9 +226,9 @@ define i32 @reduce_i8(i32 %arg) {
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
 ;
 ; SSE42-LABEL: 'reduce_i8'
-; SSE42-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V2 = call i8 @llvm.experimental.vector.reduce.umax.v2i8(<2 x i8> undef)
-; SSE42-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V4 = call i8 @llvm.experimental.vector.reduce.umax.v4i8(<4 x i8> undef)
-; SSE42-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V8 = call i8 @llvm.experimental.vector.reduce.umax.v8i8(<8 x i8> undef)
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 7 for instruction: %V2 = call i8 @llvm.experimental.vector.reduce.umax.v2i8(<2 x i8> undef)
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4 = call i8 @llvm.experimental.vector.reduce.umax.v4i8(<4 x i8> undef)
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V8 = call i8 @llvm.experimental.vector.reduce.umax.v8i8(<8 x i8> undef)
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V16 = call i8 @llvm.experimental.vector.reduce.umax.v16i8(<16 x i8> undef)
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %V32 = call i8 @llvm.experimental.vector.reduce.umax.v32i8(<32 x i8> undef)
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %V64 = call i8 @llvm.experimental.vector.reduce.umax.v64i8(<64 x i8> undef)
@@ -236,9 +236,9 @@ define i32 @reduce_i8(i32 %arg) {
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
 ;
 ; AVX1-LABEL: 'reduce_i8'
-; AVX1-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V2 = call i8 @llvm.experimental.vector.reduce.umax.v2i8(<2 x i8> undef)
-; AVX1-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V4 = call i8 @llvm.experimental.vector.reduce.umax.v4i8(<4 x i8> undef)
-; AVX1-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V8 = call i8 @llvm.experimental.vector.reduce.umax.v8i8(<8 x i8> undef)
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V2 = call i8 @llvm.experimental.vector.reduce.umax.v2i8(<2 x i8> undef)
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4 = call i8 @llvm.experimental.vector.reduce.umax.v4i8(<4 x i8> undef)
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V8 = call i8 @llvm.experimental.vector.reduce.umax.v8i8(<8 x i8> undef)
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V16 = call i8 @llvm.experimental.vector.reduce.umax.v16i8(<16 x i8> undef)
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V32 = call i8 @llvm.experimental.vector.reduce.umax.v32i8(<32 x i8> undef)
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %V64 = call i8 @llvm.experimental.vector.reduce.umax.v64i8(<64 x i8> undef)
@@ -246,9 +246,9 @@ define i32 @reduce_i8(i32 %arg) {
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
 ;
 ; AVX2-LABEL: 'reduce_i8'
-; AVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V2 = call i8 @llvm.experimental.vector.reduce.umax.v2i8(<2 x i8> undef)
-; AVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V4 = call i8 @llvm.experimental.vector.reduce.umax.v4i8(<4 x i8> undef)
-; AVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V8 = call i8 @llvm.experimental.vector.reduce.umax.v8i8(<8 x i8> undef)
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V2 = call i8 @llvm.experimental.vector.reduce.umax.v2i8(<2 x i8> undef)
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4 = call i8 @llvm.experimental.vector.reduce.umax.v4i8(<4 x i8> undef)
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V8 = call i8 @llvm.experimental.vector.reduce.umax.v8i8(<8 x i8> undef)
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V16 = call i8 @llvm.experimental.vector.reduce.umax.v16i8(<16 x i8> undef)
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V32 = call i8 @llvm.experimental.vector.reduce.umax.v32i8(<32 x i8> undef)
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V64 = call i8 @llvm.experimental.vector.reduce.umax.v64i8(<64 x i8> undef)
@@ -256,9 +256,9 @@ define i32 @reduce_i8(i32 %arg) {
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
 ;
 ; AVX512F-LABEL: 'reduce_i8'
-; AVX512F-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V2 = call i8 @llvm.experimental.vector.reduce.umax.v2i8(<2 x i8> undef)
-; AVX512F-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V4 = call i8 @llvm.experimental.vector.reduce.umax.v4i8(<4 x i8> undef)
-; AVX512F-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V8 = call i8 @llvm.experimental.vector.reduce.umax.v8i8(<8 x i8> undef)
+; AVX512F-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V2 = call i8 @llvm.experimental.vector.reduce.umax.v2i8(<2 x i8> undef)
+; AVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4 = call i8 @llvm.experimental.vector.reduce.umax.v4i8(<4 x i8> undef)
+; AVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V8 = call i8 @llvm.experimental.vector.reduce.umax.v8i8(<8 x i8> undef)
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V16 = call i8 @llvm.experimental.vector.reduce.umax.v16i8(<16 x i8> undef)
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V32 = call i8 @llvm.experimental.vector.reduce.umax.v32i8(<32 x i8> undef)
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V64 = call i8 @llvm.experimental.vector.reduce.umax.v64i8(<64 x i8> undef)
@@ -266,9 +266,9 @@ define i32 @reduce_i8(i32 %arg) {
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
 ;
 ; AVX512BW-LABEL: 'reduce_i8'
-; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V2 = call i8 @llvm.experimental.vector.reduce.umax.v2i8(<2 x i8> undef)
-; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V4 = call i8 @llvm.experimental.vector.reduce.umax.v4i8(<4 x i8> undef)
-; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V8 = call i8 @llvm.experimental.vector.reduce.umax.v8i8(<8 x i8> undef)
+; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V2 = call i8 @llvm.experimental.vector.reduce.umax.v2i8(<2 x i8> undef)
+; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4 = call i8 @llvm.experimental.vector.reduce.umax.v4i8(<4 x i8> undef)
+; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V8 = call i8 @llvm.experimental.vector.reduce.umax.v8i8(<8 x i8> undef)
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V16 = call i8 @llvm.experimental.vector.reduce.umax.v16i8(<16 x i8> undef)
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V32 = call i8 @llvm.experimental.vector.reduce.umax.v32i8(<32 x i8> undef)
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 61 for instruction: %V64 = call i8 @llvm.experimental.vector.reduce.umax.v64i8(<64 x i8> undef)
@@ -276,9 +276,9 @@ define i32 @reduce_i8(i32 %arg) {
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
 ;
 ; AVX512DQ-LABEL: 'reduce_i8'
-; AVX512DQ-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V2 = call i8 @llvm.experimental.vector.reduce.umax.v2i8(<2 x i8> undef)
-; AVX512DQ-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V4 = call i8 @llvm.experimental.vector.reduce.umax.v4i8(<4 x i8> undef)
-; AVX512DQ-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V8 = call i8 @llvm.experimental.vector.reduce.umax.v8i8(<8 x i8> undef)
+; AVX512DQ-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V2 = call i8 @llvm.experimental.vector.reduce.umax.v2i8(<2 x i8> undef)
+; AVX512DQ-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4 = call i8 @llvm.experimental.vector.reduce.umax.v4i8(<4 x i8> undef)
+; AVX512DQ-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V8 = call i8 @llvm.experimental.vector.reduce.umax.v8i8(<8 x i8> undef)
 ; AVX512DQ-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V16 = call i8 @llvm.experimental.vector.reduce.umax.v16i8(<16 x i8> undef)
 ; AVX512DQ-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V32 = call i8 @llvm.experimental.vector.reduce.umax.v32i8(<32 x i8> undef)
 ; AVX512DQ-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V64 = call i8 @llvm.experimental.vector.reduce.umax.v64i8(<64 x i8> undef)