[llvm] f79f04a - [CostModel][X86] Add scalar truncation cost checks

Simon Pilgrim via llvm-commits llvm-commits at lists.llvm.org
Tue May 18 04:25:10 PDT 2021


Author: Simon Pilgrim
Date: 2021-05-18T12:24:59+01:00
New Revision: f79f04ac0c681deefbd4794266b031913a398c0c

URL: https://github.com/llvm/llvm-project/commit/f79f04ac0c681deefbd4794266b031913a398c0c
DIFF: https://github.com/llvm/llvm-project/commit/f79f04ac0c681deefbd4794266b031913a398c0c.diff

LOG: [CostModel][X86] Add scalar truncation cost checks

Ensure these are all zero

Added: 
    

Modified: 
    llvm/test/Analysis/CostModel/X86/trunc.ll

Removed: 
    


################################################################################
diff  --git a/llvm/test/Analysis/CostModel/X86/trunc.ll b/llvm/test/Analysis/CostModel/X86/trunc.ll
index f64ef9637409..f55461f88a54 100644
--- a/llvm/test/Analysis/CostModel/X86/trunc.ll
+++ b/llvm/test/Analysis/CostModel/X86/trunc.ll
@@ -13,6 +13,7 @@
 
 define i32 @trunc_vXi32() {
 ; SSE-LABEL: 'trunc_vXi32'
+; SSE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i64 = trunc i64 undef to i32
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2i64 = trunc <2 x i64> undef to <2 x i32>
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V4i64 = trunc <4 x i64> undef to <4 x i32>
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %V8i64 = trunc <8 x i64> undef to <8 x i32>
@@ -20,6 +21,7 @@ define i32 @trunc_vXi32() {
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
 ;
 ; AVX-LABEL: 'trunc_vXi32'
+; AVX-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i64 = trunc i64 undef to i32
 ; AVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2i64 = trunc <2 x i64> undef to <2 x i32>
 ; AVX-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V4i64 = trunc <4 x i64> undef to <4 x i32>
 ; AVX-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V8i64 = trunc <8 x i64> undef to <8 x i32>
@@ -27,12 +29,14 @@ define i32 @trunc_vXi32() {
 ; AVX-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
 ;
 ; AVX512-LABEL: 'trunc_vXi32'
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i64 = trunc i64 undef to i32
 ; 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 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
 ;
+  %i64 = trunc i64 undef to i32
   %V2i64 = trunc <2 x i64> undef to <2 x i32>
   %V4i64 = trunc <4 x i64> undef to <4 x i32>
   %V8i64 = trunc <8 x i64> undef to <8 x i32>
@@ -42,11 +46,13 @@ define i32 @trunc_vXi32() {
 
 define i32 @trunc_vXi16() {
 ; SSE2-LABEL: 'trunc_vXi16'
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i64 = trunc i64 undef to i16
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V2i64 = trunc <2 x i64> undef to <2 x i16>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 5 for instruction: %V4i64 = trunc <4 x i64> undef to <4 x i16>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 11 for instruction: %V8i64 = trunc <8 x i64> undef to <8 x i16>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 22 for instruction: %V16i64 = trunc <16 x i64> undef to <16 x i16>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 44 for instruction: %V32i64 = trunc <32 x i64> undef to <32 x i16>
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i32 = trunc i32 undef to i16
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2i32 = trunc <2 x i32> undef to <2 x i16>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V4i32 = trunc <4 x i32> undef to <4 x i16>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 5 for instruction: %V8i32 = trunc <8 x i32> undef to <8 x i16>
@@ -55,11 +61,13 @@ define i32 @trunc_vXi16() {
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
 ;
 ; SSSE3-LABEL: 'trunc_vXi16'
+; SSSE3-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i64 = trunc i64 undef to i16
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V2i64 = trunc <2 x i64> undef to <2 x i16>
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 5 for instruction: %V4i64 = trunc <4 x i64> undef to <4 x i16>
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 11 for instruction: %V8i64 = trunc <8 x i64> undef to <8 x i16>
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 22 for instruction: %V16i64 = trunc <16 x i64> undef to <16 x i16>
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 44 for instruction: %V32i64 = trunc <32 x i64> undef to <32 x i16>
+; SSSE3-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i32 = trunc i32 undef to i16
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2i32 = trunc <2 x i32> undef to <2 x i16>
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V4i32 = trunc <4 x i32> undef to <4 x i16>
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 5 for instruction: %V8i32 = trunc <8 x i32> undef to <8 x i16>
@@ -68,11 +76,13 @@ define i32 @trunc_vXi16() {
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
 ;
 ; SSE42-LABEL: 'trunc_vXi16'
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i64 = trunc i64 undef to i16
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V2i64 = trunc <2 x i64> undef to <2 x i16>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 5 for instruction: %V4i64 = trunc <4 x i64> undef to <4 x i16>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 11 for instruction: %V8i64 = trunc <8 x i64> undef to <8 x i16>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 22 for instruction: %V16i64 = trunc <16 x i64> undef to <16 x i16>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 44 for instruction: %V32i64 = trunc <32 x i64> undef to <32 x i16>
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i32 = trunc i32 undef to i16
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2i32 = trunc <2 x i32> undef to <2 x i16>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4i32 = trunc <4 x i32> undef to <4 x i16>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V8i32 = trunc <8 x i32> undef to <8 x i16>
@@ -81,11 +91,13 @@ define i32 @trunc_vXi16() {
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
 ;
 ; AVX1-LABEL: 'trunc_vXi16'
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i64 = trunc i64 undef to i16
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V2i64 = trunc <2 x i64> undef to <2 x i16>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %V4i64 = trunc <4 x i64> undef to <4 x i16>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 9 for instruction: %V8i64 = trunc <8 x i64> undef to <8 x i16>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 19 for instruction: %V16i64 = trunc <16 x i64> undef to <16 x i16>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 38 for instruction: %V32i64 = trunc <32 x i64> undef to <32 x i16>
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i32 = trunc i32 undef to i16
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2i32 = trunc <2 x i32> undef to <2 x i16>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4i32 = trunc <4 x i32> undef to <4 x i16>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 5 for instruction: %V8i32 = trunc <8 x i32> undef to <8 x i16>
@@ -94,11 +106,13 @@ define i32 @trunc_vXi16() {
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
 ;
 ; AVX2-LABEL: 'trunc_vXi16'
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i64 = trunc i64 undef to i16
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V2i64 = trunc <2 x i64> undef to <2 x i16>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V4i64 = trunc <4 x i64> undef to <4 x i16>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 9 for instruction: %V8i64 = trunc <8 x i64> undef to <8 x i16>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 19 for instruction: %V16i64 = trunc <16 x i64> undef to <16 x i16>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 38 for instruction: %V32i64 = trunc <32 x i64> undef to <32 x i16>
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i32 = trunc i32 undef to i16
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2i32 = trunc <2 x i32> undef to <2 x i16>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4i32 = trunc <4 x i32> undef to <4 x i16>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V8i32 = trunc <8 x i32> undef to <8 x i16>
@@ -107,11 +121,13 @@ define i32 @trunc_vXi16() {
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
 ;
 ; AVX512-LABEL: 'trunc_vXi16'
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i64 = trunc i64 undef to i16
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V2i64 = trunc <2 x i64> undef to <2 x i16>
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V4i64 = trunc <4 x i64> undef to <4 x i16>
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V8i64 = trunc <8 x i64> undef to <8 x i16>
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 5 for instruction: %V16i64 = trunc <16 x i64> undef to <16 x i16>
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 11 for instruction: %V32i64 = trunc <32 x i64> undef to <32 x i16>
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i32 = trunc i32 undef to i16
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2i32 = trunc <2 x i32> undef to <2 x i16>
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4i32 = trunc <4 x i32> undef to <4 x i16>
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V8i32 = trunc <8 x i32> undef to <8 x i16>
@@ -120,11 +136,13 @@ define i32 @trunc_vXi16() {
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
 ;
 ; BTVER2-LABEL: 'trunc_vXi16'
+; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i64 = trunc i64 undef to i16
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V2i64 = trunc <2 x i64> undef to <2 x i16>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %V4i64 = trunc <4 x i64> undef to <4 x i16>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 9 for instruction: %V8i64 = trunc <8 x i64> undef to <8 x i16>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 19 for instruction: %V16i64 = trunc <16 x i64> undef to <16 x i16>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 38 for instruction: %V32i64 = trunc <32 x i64> undef to <32 x i16>
+; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i32 = trunc i32 undef to i16
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2i32 = trunc <2 x i32> undef to <2 x i16>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4i32 = trunc <4 x i32> undef to <4 x i16>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 5 for instruction: %V8i32 = trunc <8 x i32> undef to <8 x i16>
@@ -132,12 +150,14 @@ define i32 @trunc_vXi16() {
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %V32i32 = trunc <32 x i32> undef to <32 x i16>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
 ;
+  %i64 = trunc i64 undef to i16
   %V2i64 = trunc <2 x i64> undef to <2 x i16>
   %V4i64 = trunc <4 x i64> undef to <4 x i16>
   %V8i64 = trunc <8 x i64> undef to <8 x i16>
   %V16i64 = trunc <16 x i64> undef to <16 x i16>
   %V32i64 = trunc <32 x i64> undef to <32 x i16>
 
+  %i32 = trunc i32 undef to i16
   %V2i32 = trunc <2 x i32> undef to <2 x i16>
   %V4i32 = trunc <4 x i32> undef to <4 x i16>
   %V8i32 = trunc <8 x i32> undef to <8 x i16>
@@ -148,18 +168,21 @@ define i32 @trunc_vXi16() {
 
 define i32 @trunc_vXi8() {
 ; SSE2-LABEL: 'trunc_vXi8'
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i64 = trunc i64 undef to i8
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %V2i64 = trunc <2 x i64> undef to <2 x i8>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 9 for instruction: %V4i64 = trunc <4 x i64> undef to <4 x i8>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 19 for instruction: %V8i64 = trunc <8 x i64> undef to <8 x i8>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 39 for instruction: %V16i64 = trunc <16 x i64> undef to <16 x i8>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 78 for instruction: %V32i64 = trunc <32 x i64> undef to <32 x i8>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 156 for instruction: %V64i64 = trunc <64 x i64> undef to <64 x i8>
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i32 = trunc i32 undef to i8
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V2i32 = trunc <2 x i32> undef to <2 x i8>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V4i32 = trunc <4 x i32> undef to <4 x i8>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %V8i32 = trunc <8 x i32> undef to <8 x i8>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 7 for instruction: %V16i32 = trunc <16 x i32> undef to <16 x i8>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 14 for instruction: %V32i32 = trunc <32 x i32> undef to <32 x i8>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 28 for instruction: %V64i32 = trunc <64 x i32> undef to <64 x i8>
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i16 = trunc i16 undef to i8
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V2i16 = trunc <2 x i16> undef to <2 x i8>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V4i16 = trunc <4 x i16> undef to <4 x i8>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V8i16 = trunc <8 x i16> undef to <8 x i8>
@@ -169,18 +192,21 @@ define i32 @trunc_vXi8() {
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
 ;
 ; SSSE3-LABEL: 'trunc_vXi8'
+; SSSE3-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i64 = trunc i64 undef to i8
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %V2i64 = trunc <2 x i64> undef to <2 x i8>
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 9 for instruction: %V4i64 = trunc <4 x i64> undef to <4 x i8>
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 19 for instruction: %V8i64 = trunc <8 x i64> undef to <8 x i8>
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 39 for instruction: %V16i64 = trunc <16 x i64> undef to <16 x i8>
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 78 for instruction: %V32i64 = trunc <32 x i64> undef to <32 x i8>
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 156 for instruction: %V64i64 = trunc <64 x i64> undef to <64 x i8>
+; SSSE3-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i32 = trunc i32 undef to i8
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V2i32 = trunc <2 x i32> undef to <2 x i8>
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V4i32 = trunc <4 x i32> undef to <4 x i8>
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %V8i32 = trunc <8 x i32> undef to <8 x i8>
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 7 for instruction: %V16i32 = trunc <16 x i32> undef to <16 x i8>
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 14 for instruction: %V32i32 = trunc <32 x i32> undef to <32 x i8>
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 28 for instruction: %V64i32 = trunc <64 x i32> undef to <64 x i8>
+; SSSE3-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i16 = trunc i16 undef to i8
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V2i16 = trunc <2 x i16> undef to <2 x i8>
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V4i16 = trunc <4 x i16> undef to <4 x i8>
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V8i16 = trunc <8 x i16> undef to <8 x i8>
@@ -190,18 +216,21 @@ define i32 @trunc_vXi8() {
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
 ;
 ; SSE42-LABEL: 'trunc_vXi8'
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i64 = trunc i64 undef to i8
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2i64 = trunc <2 x i64> undef to <2 x i8>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V4i64 = trunc <4 x i64> undef to <4 x i8>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 7 for instruction: %V8i64 = trunc <8 x i64> undef to <8 x i8>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 15 for instruction: %V16i64 = trunc <16 x i64> undef to <16 x i8>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 30 for instruction: %V32i64 = trunc <32 x i64> undef to <32 x i8>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 60 for instruction: %V64i64 = trunc <64 x i64> undef to <64 x i8>
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i32 = trunc i32 undef to i8
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V2i32 = trunc <2 x i32> undef to <2 x i8>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4i32 = trunc <4 x i32> undef to <4 x i8>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V8i32 = trunc <8 x i32> undef to <8 x i8>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 7 for instruction: %V16i32 = trunc <16 x i32> undef to <16 x i8>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 14 for instruction: %V32i32 = trunc <32 x i32> undef to <32 x i8>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 28 for instruction: %V64i32 = trunc <64 x i32> undef to <64 x i8>
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i16 = trunc i16 undef to i8
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2i16 = trunc <2 x i16> undef to <2 x i8>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4i16 = trunc <4 x i16> undef to <4 x i8>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V8i16 = trunc <8 x i16> undef to <8 x i8>
@@ -211,18 +240,21 @@ define i32 @trunc_vXi8() {
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
 ;
 ; AVX1-LABEL: 'trunc_vXi8'
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i64 = trunc i64 undef to i8
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2i64 = trunc <2 x i64> undef to <2 x i8>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %V4i64 = trunc <4 x i64> undef to <4 x i8>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 11 for instruction: %V8i64 = trunc <8 x i64> undef to <8 x i8>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 11 for instruction: %V16i64 = trunc <16 x i64> undef to <16 x i8>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 23 for instruction: %V32i64 = trunc <32 x i64> undef to <32 x i8>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 46 for instruction: %V64i64 = trunc <64 x i64> undef to <64 x i8>
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i32 = trunc i32 undef to i8
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V2i32 = trunc <2 x i32> undef to <2 x i8>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4i32 = trunc <4 x i32> undef to <4 x i8>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %V8i32 = trunc <8 x i32> undef to <8 x i8>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 7 for instruction: %V16i32 = trunc <16 x i32> undef to <16 x i8>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 15 for instruction: %V32i32 = trunc <32 x i32> undef to <32 x i8>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 30 for instruction: %V64i32 = trunc <64 x i32> undef to <64 x i8>
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i16 = trunc i16 undef to i8
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2i16 = trunc <2 x i16> undef to <2 x i8>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4i16 = trunc <4 x i16> undef to <4 x i8>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V8i16 = trunc <8 x i16> undef to <8 x i8>
@@ -232,18 +264,21 @@ define i32 @trunc_vXi8() {
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
 ;
 ; AVX2-LABEL: 'trunc_vXi8'
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i64 = trunc i64 undef to i8
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2i64 = trunc <2 x i64> undef to <2 x i8>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V4i64 = trunc <4 x i64> undef to <4 x i8>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 11 for instruction: %V8i64 = trunc <8 x i64> undef to <8 x i8>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 11 for instruction: %V16i64 = trunc <16 x i64> undef to <16 x i8>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 23 for instruction: %V32i64 = trunc <32 x i64> undef to <32 x i8>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 46 for instruction: %V64i64 = trunc <64 x i64> undef to <64 x i8>
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i32 = trunc i32 undef to i8
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V2i32 = trunc <2 x i32> undef to <2 x i8>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4i32 = trunc <4 x i32> undef to <4 x i8>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V8i32 = trunc <8 x i32> undef to <8 x i8>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 7 for instruction: %V16i32 = trunc <16 x i32> undef to <16 x i8>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 15 for instruction: %V32i32 = trunc <32 x i32> undef to <32 x i8>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 30 for instruction: %V64i32 = trunc <64 x i32> undef to <64 x i8>
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i16 = trunc i16 undef to i8
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2i16 = trunc <2 x i16> undef to <2 x i8>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4i16 = trunc <4 x i16> undef to <4 x i8>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V8i16 = trunc <8 x i16> undef to <8 x i8>
@@ -253,18 +288,21 @@ define i32 @trunc_vXi8() {
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
 ;
 ; AVX512F-LABEL: 'trunc_vXi8'
+; AVX512F-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i64 = trunc i64 undef to i8
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2i64 = trunc <2 x i64> undef to <2 x i8>
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V4i64 = trunc <4 x i64> undef to <4 x i8>
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V8i64 = trunc <8 x i64> undef to <8 x i8>
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 5 for instruction: %V16i64 = trunc <16 x i64> undef to <16 x i8>
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 11 for instruction: %V32i64 = trunc <32 x i64> undef to <32 x i8>
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 23 for instruction: %V64i64 = trunc <64 x i64> undef to <64 x i8>
+; AVX512F-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i32 = trunc i32 undef to i8
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V2i32 = trunc <2 x i32> undef to <2 x i8>
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4i32 = trunc <4 x i32> undef to <4 x i8>
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V8i32 = trunc <8 x i32> undef to <8 x i8>
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V16i32 = trunc <16 x i32> undef to <16 x i8>
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 5 for instruction: %V32i32 = trunc <32 x i32> undef to <32 x i8>
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 11 for instruction: %V64i32 = trunc <64 x i32> undef to <64 x i8>
+; AVX512F-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i16 = trunc i16 undef to i8
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2i16 = trunc <2 x i16> undef to <2 x i8>
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4i16 = trunc <4 x i16> undef to <4 x i8>
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V8i16 = trunc <8 x i16> undef to <8 x i8>
@@ -274,18 +312,21 @@ define i32 @trunc_vXi8() {
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
 ;
 ; AVX512BW-LABEL: 'trunc_vXi8'
+; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i64 = trunc i64 undef to i8
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2i64 = trunc <2 x i64> undef to <2 x i8>
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V4i64 = trunc <4 x i64> undef to <4 x i8>
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V8i64 = trunc <8 x i64> undef to <8 x i8>
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 5 for instruction: %V16i64 = trunc <16 x i64> undef to <16 x i8>
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 11 for instruction: %V32i64 = trunc <32 x i64> undef to <32 x i8>
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 23 for instruction: %V64i64 = trunc <64 x i64> undef to <64 x i8>
+; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i32 = trunc i32 undef to i8
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V2i32 = trunc <2 x i32> undef to <2 x i8>
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4i32 = trunc <4 x i32> undef to <4 x i8>
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V8i32 = trunc <8 x i32> undef to <8 x i8>
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V16i32 = trunc <16 x i32> undef to <16 x i8>
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 5 for instruction: %V32i32 = trunc <32 x i32> undef to <32 x i8>
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 11 for instruction: %V64i32 = trunc <64 x i32> undef to <64 x i8>
+; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i16 = trunc i16 undef to i8
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2i16 = trunc <2 x i16> undef to <2 x i8>
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4i16 = trunc <4 x i16> undef to <4 x i8>
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V8i16 = trunc <8 x i16> undef to <8 x i8>
@@ -295,18 +336,21 @@ define i32 @trunc_vXi8() {
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
 ;
 ; BTVER2-LABEL: 'trunc_vXi8'
+; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i64 = trunc i64 undef to i8
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2i64 = trunc <2 x i64> undef to <2 x i8>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %V4i64 = trunc <4 x i64> undef to <4 x i8>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 11 for instruction: %V8i64 = trunc <8 x i64> undef to <8 x i8>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 11 for instruction: %V16i64 = trunc <16 x i64> undef to <16 x i8>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 23 for instruction: %V32i64 = trunc <32 x i64> undef to <32 x i8>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 46 for instruction: %V64i64 = trunc <64 x i64> undef to <64 x i8>
+; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i32 = trunc i32 undef to i8
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V2i32 = trunc <2 x i32> undef to <2 x i8>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4i32 = trunc <4 x i32> undef to <4 x i8>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %V8i32 = trunc <8 x i32> undef to <8 x i8>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 7 for instruction: %V16i32 = trunc <16 x i32> undef to <16 x i8>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 15 for instruction: %V32i32 = trunc <32 x i32> undef to <32 x i8>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 30 for instruction: %V64i32 = trunc <64 x i32> undef to <64 x i8>
+; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i16 = trunc i16 undef to i8
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2i16 = trunc <2 x i16> undef to <2 x i8>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4i16 = trunc <4 x i16> undef to <4 x i8>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V8i16 = trunc <8 x i16> undef to <8 x i8>
@@ -315,6 +359,7 @@ define i32 @trunc_vXi8() {
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 18 for instruction: %V64i16 = trunc <64 x i16> undef to <64 x i8>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
 ;
+  %i64 = trunc i64 undef to i8
   %V2i64 = trunc <2 x i64> undef to <2 x i8>
   %V4i64 = trunc <4 x i64> undef to <4 x i8>
   %V8i64 = trunc <8 x i64> undef to <8 x i8>
@@ -322,6 +367,7 @@ define i32 @trunc_vXi8() {
   %V32i64 = trunc <32 x i64> undef to <32 x i8>
   %V64i64 = trunc <64 x i64> undef to <64 x i8>
 
+  %i32 = trunc i32 undef to i8
   %V2i32 = trunc <2 x i32> undef to <2 x i8>
   %V4i32 = trunc <4 x i32> undef to <4 x i8>
   %V8i32 = trunc <8 x i32> undef to <8 x i8>
@@ -329,6 +375,7 @@ define i32 @trunc_vXi8() {
   %V32i32 = trunc <32 x i32> undef to <32 x i8>
   %V64i32 = trunc <64 x i32> undef to <64 x i8>
 
+  %i16 = trunc i16 undef to i8
   %V2i16 = trunc <2 x i16> undef to <2 x i8>
   %V4i16 = trunc <4 x i16> undef to <4 x i8>
   %V8i16 = trunc <8 x i16> undef to <8 x i8>
@@ -341,24 +388,28 @@ define i32 @trunc_vXi8() {
 
 define i32 @trunc_vXi1() {
 ; SSE2-LABEL: 'trunc_vXi1'
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i64 = trunc i64 undef to i1
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %V2i64 = trunc <2 x i64> undef to <2 x i1>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4i64 = trunc <4 x i64> undef to <4 x i1>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V8i64 = trunc <8 x i64> undef to <8 x i1>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 7 for instruction: %V16i64 = trunc <16 x i64> undef to <16 x i1>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 14 for instruction: %V32i64 = trunc <32 x i64> undef to <32 x i1>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 28 for instruction: %V64i64 = trunc <64 x i64> undef to <64 x i1>
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i32 = trunc i32 undef to i1
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2i32 = trunc <2 x i32> undef to <2 x i1>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %V4i32 = trunc <4 x i32> undef to <4 x i1>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V8i32 = trunc <8 x i32> undef to <8 x i1>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V16i32 = trunc <16 x i32> undef to <16 x i1>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %V32i32 = trunc <32 x i32> undef to <32 x i1>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %V64i32 = trunc <64 x i32> undef to <64 x i1>
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i16 = trunc i16 undef to i1
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V2i16 = trunc <2 x i16> undef to <2 x i1>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4i16 = trunc <4 x i16> undef to <4 x i1>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %V8i16 = trunc <8 x i16> undef to <8 x i1>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V16i16 = trunc <16 x i16> undef to <16 x i1>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V32i16 = trunc <32 x i16> undef to <32 x i1>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %V64i16 = trunc <64 x i16> undef to <64 x i1>
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i8 = trunc i8 undef to i1
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V2i8 = trunc <2 x i8> undef to <2 x i1>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V4i8 = trunc <4 x i8> undef to <4 x i1>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V8i8 = trunc <8 x i8> undef to <8 x i1>
@@ -368,24 +419,28 @@ define i32 @trunc_vXi1() {
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
 ;
 ; SSSE3-LABEL: 'trunc_vXi1'
+; SSSE3-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i64 = trunc i64 undef to i1
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %V2i64 = trunc <2 x i64> undef to <2 x i1>
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4i64 = trunc <4 x i64> undef to <4 x i1>
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V8i64 = trunc <8 x i64> undef to <8 x i1>
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 7 for instruction: %V16i64 = trunc <16 x i64> undef to <16 x i1>
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 14 for instruction: %V32i64 = trunc <32 x i64> undef to <32 x i1>
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 28 for instruction: %V64i64 = trunc <64 x i64> undef to <64 x i1>
+; SSSE3-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i32 = trunc i32 undef to i1
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2i32 = trunc <2 x i32> undef to <2 x i1>
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %V4i32 = trunc <4 x i32> undef to <4 x i1>
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V8i32 = trunc <8 x i32> undef to <8 x i1>
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V16i32 = trunc <16 x i32> undef to <16 x i1>
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %V32i32 = trunc <32 x i32> undef to <32 x i1>
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %V64i32 = trunc <64 x i32> undef to <64 x i1>
+; SSSE3-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i16 = trunc i16 undef to i1
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V2i16 = trunc <2 x i16> undef to <2 x i1>
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4i16 = trunc <4 x i16> undef to <4 x i1>
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %V8i16 = trunc <8 x i16> undef to <8 x i1>
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V16i16 = trunc <16 x i16> undef to <16 x i1>
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V32i16 = trunc <32 x i16> undef to <32 x i1>
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %V64i16 = trunc <64 x i16> undef to <64 x i1>
+; SSSE3-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i8 = trunc i8 undef to i1
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V2i8 = trunc <2 x i8> undef to <2 x i1>
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V4i8 = trunc <4 x i8> undef to <4 x i1>
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V8i8 = trunc <8 x i8> undef to <8 x i1>
@@ -395,24 +450,28 @@ define i32 @trunc_vXi1() {
 ; SSSE3-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
 ;
 ; SSE42-LABEL: 'trunc_vXi1'
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i64 = trunc i64 undef to i1
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %V2i64 = trunc <2 x i64> undef to <2 x i1>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4i64 = trunc <4 x i64> undef to <4 x i1>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V8i64 = trunc <8 x i64> undef to <8 x i1>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 7 for instruction: %V16i64 = trunc <16 x i64> undef to <16 x i1>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 14 for instruction: %V32i64 = trunc <32 x i64> undef to <32 x i1>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 28 for instruction: %V64i64 = trunc <64 x i64> undef to <64 x i1>
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i32 = trunc i32 undef to i1
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2i32 = trunc <2 x i32> undef to <2 x i1>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %V4i32 = trunc <4 x i32> undef to <4 x i1>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V8i32 = trunc <8 x i32> undef to <8 x i1>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V16i32 = trunc <16 x i32> undef to <16 x i1>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %V32i32 = trunc <32 x i32> undef to <32 x i1>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %V64i32 = trunc <64 x i32> undef to <64 x i1>
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i16 = trunc i16 undef to i1
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2i16 = trunc <2 x i16> undef to <2 x i1>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4i16 = trunc <4 x i16> undef to <4 x i1>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %V8i16 = trunc <8 x i16> undef to <8 x i1>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V16i16 = trunc <16 x i16> undef to <16 x i1>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V32i16 = trunc <32 x i16> undef to <32 x i1>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %V64i16 = trunc <64 x i16> undef to <64 x i1>
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i8 = trunc i8 undef to i1
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2i8 = trunc <2 x i8> undef to <2 x i1>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4i8 = trunc <4 x i8> undef to <4 x i1>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V8i8 = trunc <8 x i8> undef to <8 x i1>
@@ -422,24 +481,28 @@ define i32 @trunc_vXi1() {
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
 ;
 ; AVX1-LABEL: 'trunc_vXi1'
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i64 = trunc i64 undef to i1
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %V2i64 = trunc <2 x i64> undef to <2 x i1>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %V4i64 = trunc <4 x i64> undef to <4 x i1>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 9 for instruction: %V8i64 = trunc <8 x i64> undef to <8 x i1>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 11 for instruction: %V16i64 = trunc <16 x i64> undef to <16 x i1>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 23 for instruction: %V32i64 = trunc <32 x i64> undef to <32 x i1>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 46 for instruction: %V64i64 = trunc <64 x i64> undef to <64 x i1>
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i32 = trunc i32 undef to i1
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2i32 = trunc <2 x i32> undef to <2 x i1>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %V4i32 = trunc <4 x i32> undef to <4 x i1>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 5 for instruction: %V8i32 = trunc <8 x i32> undef to <8 x i1>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 11 for instruction: %V16i32 = trunc <16 x i32> undef to <16 x i1>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 23 for instruction: %V32i32 = trunc <32 x i32> undef to <32 x i1>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 46 for instruction: %V64i32 = trunc <64 x i32> undef to <64 x i1>
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i16 = trunc i16 undef to i1
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2i16 = trunc <2 x i16> undef to <2 x i1>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4i16 = trunc <4 x i16> undef to <4 x i1>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %V8i16 = trunc <8 x i16> undef to <8 x i1>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %V16i16 = trunc <16 x i16> undef to <16 x i1>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 9 for instruction: %V32i16 = trunc <32 x i16> undef to <32 x i1>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 18 for instruction: %V64i16 = trunc <64 x i16> undef to <64 x i1>
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i8 = trunc i8 undef to i1
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2i8 = trunc <2 x i8> undef to <2 x i1>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4i8 = trunc <4 x i8> undef to <4 x i1>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V8i8 = trunc <8 x i8> undef to <8 x i1>
@@ -449,24 +512,28 @@ define i32 @trunc_vXi1() {
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
 ;
 ; AVX2-LABEL: 'trunc_vXi1'
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i64 = trunc i64 undef to i1
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %V2i64 = trunc <2 x i64> undef to <2 x i1>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %V4i64 = trunc <4 x i64> undef to <4 x i1>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 9 for instruction: %V8i64 = trunc <8 x i64> undef to <8 x i1>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 11 for instruction: %V16i64 = trunc <16 x i64> undef to <16 x i1>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 23 for instruction: %V32i64 = trunc <32 x i64> undef to <32 x i1>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 46 for instruction: %V64i64 = trunc <64 x i64> undef to <64 x i1>
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i32 = trunc i32 undef to i1
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2i32 = trunc <2 x i32> undef to <2 x i1>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %V4i32 = trunc <4 x i32> undef to <4 x i1>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V8i32 = trunc <8 x i32> undef to <8 x i1>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 5 for instruction: %V16i32 = trunc <16 x i32> undef to <16 x i1>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 11 for instruction: %V32i32 = trunc <32 x i32> undef to <32 x i1>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 22 for instruction: %V64i32 = trunc <64 x i32> undef to <64 x i1>
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i16 = trunc i16 undef to i1
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2i16 = trunc <2 x i16> undef to <2 x i1>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4i16 = trunc <4 x i16> undef to <4 x i1>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %V8i16 = trunc <8 x i16> undef to <8 x i1>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %V16i16 = trunc <16 x i16> undef to <16 x i1>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 9 for instruction: %V32i16 = trunc <32 x i16> undef to <32 x i1>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 18 for instruction: %V64i16 = trunc <64 x i16> undef to <64 x i1>
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i8 = trunc i8 undef to i1
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2i8 = trunc <2 x i8> undef to <2 x i1>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4i8 = trunc <4 x i8> undef to <4 x i1>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V8i8 = trunc <8 x i8> undef to <8 x i1>
@@ -476,24 +543,28 @@ define i32 @trunc_vXi1() {
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
 ;
 ; AVX512F-LABEL: 'trunc_vXi1'
+; AVX512F-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i64 = trunc i64 undef to i1
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V2i64 = trunc <2 x i64> undef to <2 x i1>
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V4i64 = trunc <4 x i64> undef to <4 x i1>
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V8i64 = trunc <8 x i64> undef to <8 x i1>
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 11 for instruction: %V16i64 = trunc <16 x i64> undef to <16 x i1>
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 22 for instruction: %V32i64 = trunc <32 x i64> undef to <32 x i1>
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 44 for instruction: %V64i64 = trunc <64 x i64> undef to <64 x i1>
+; AVX512F-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i32 = trunc i32 undef to i1
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V2i32 = trunc <2 x i32> undef to <2 x i1>
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V4i32 = trunc <4 x i32> undef to <4 x i1>
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V8i32 = trunc <8 x i32> undef to <8 x i1>
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V16i32 = trunc <16 x i32> undef to <16 x i1>
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %V32i32 = trunc <32 x i32> undef to <32 x i1>
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %V64i32 = trunc <64 x i32> undef to <64 x i1>
+; AVX512F-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i16 = trunc i16 undef to i1
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V2i16 = trunc <2 x i16> undef to <2 x i1>
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V4i16 = trunc <4 x i16> undef to <4 x i1>
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V8i16 = trunc <8 x i16> undef to <8 x i1>
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V16i16 = trunc <16 x i16> undef to <16 x i1>
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 7 for instruction: %V32i16 = trunc <32 x i16> undef to <32 x i1>
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 14 for instruction: %V64i16 = trunc <64 x i16> undef to <64 x i1>
+; AVX512F-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i8 = trunc i8 undef to i1
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V2i8 = trunc <2 x i8> undef to <2 x i1>
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V4i8 = trunc <4 x i8> undef to <4 x i1>
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %V8i8 = trunc <8 x i8> undef to <8 x i1>
@@ -503,24 +574,28 @@ define i32 @trunc_vXi1() {
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
 ;
 ; AVX512BW-LABEL: 'trunc_vXi1'
+; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i64 = trunc i64 undef to i1
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V2i64 = trunc <2 x i64> undef to <2 x i1>
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V4i64 = trunc <4 x i64> undef to <4 x i1>
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V8i64 = trunc <8 x i64> undef to <8 x i1>
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 11 for instruction: %V16i64 = trunc <16 x i64> undef to <16 x i1>
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 23 for instruction: %V32i64 = trunc <32 x i64> undef to <32 x i1>
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 47 for instruction: %V64i64 = trunc <64 x i64> undef to <64 x i1>
+; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i32 = trunc i32 undef to i1
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V2i32 = trunc <2 x i32> undef to <2 x i1>
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V4i32 = trunc <4 x i32> undef to <4 x i1>
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V8i32 = trunc <8 x i32> undef to <8 x i1>
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V16i32 = trunc <16 x i32> undef to <16 x i1>
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 5 for instruction: %V32i32 = trunc <32 x i32> undef to <32 x i1>
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 11 for instruction: %V64i32 = trunc <64 x i32> undef to <64 x i1>
+; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i16 = trunc i16 undef to i1
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V2i16 = trunc <2 x i16> undef to <2 x i1>
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V4i16 = trunc <4 x i16> undef to <4 x i1>
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V8i16 = trunc <8 x i16> undef to <8 x i1>
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V16i16 = trunc <16 x i16> undef to <16 x i1>
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V32i16 = trunc <32 x i16> undef to <32 x i1>
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 5 for instruction: %V64i16 = trunc <64 x i16> undef to <64 x i1>
+; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i8 = trunc i8 undef to i1
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V2i8 = trunc <2 x i8> undef to <2 x i1>
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V4i8 = trunc <4 x i8> undef to <4 x i1>
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V8i8 = trunc <8 x i8> undef to <8 x i1>
@@ -530,24 +605,28 @@ define i32 @trunc_vXi1() {
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
 ;
 ; BTVER2-LABEL: 'trunc_vXi1'
+; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i64 = trunc i64 undef to i1
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %V2i64 = trunc <2 x i64> undef to <2 x i1>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %V4i64 = trunc <4 x i64> undef to <4 x i1>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 9 for instruction: %V8i64 = trunc <8 x i64> undef to <8 x i1>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 11 for instruction: %V16i64 = trunc <16 x i64> undef to <16 x i1>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 23 for instruction: %V32i64 = trunc <32 x i64> undef to <32 x i1>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 46 for instruction: %V64i64 = trunc <64 x i64> undef to <64 x i1>
+; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i32 = trunc i32 undef to i1
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2i32 = trunc <2 x i32> undef to <2 x i1>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %V4i32 = trunc <4 x i32> undef to <4 x i1>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 5 for instruction: %V8i32 = trunc <8 x i32> undef to <8 x i1>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 11 for instruction: %V16i32 = trunc <16 x i32> undef to <16 x i1>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 23 for instruction: %V32i32 = trunc <32 x i32> undef to <32 x i1>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 46 for instruction: %V64i32 = trunc <64 x i32> undef to <64 x i1>
+; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i16 = trunc i16 undef to i1
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2i16 = trunc <2 x i16> undef to <2 x i1>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4i16 = trunc <4 x i16> undef to <4 x i1>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %V8i16 = trunc <8 x i16> undef to <8 x i1>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %V16i16 = trunc <16 x i16> undef to <16 x i1>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 9 for instruction: %V32i16 = trunc <32 x i16> undef to <32 x i1>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 18 for instruction: %V64i16 = trunc <64 x i16> undef to <64 x i1>
+; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %i8 = trunc i8 undef to i1
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2i8 = trunc <2 x i8> undef to <2 x i1>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4i8 = trunc <4 x i8> undef to <4 x i1>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V8i8 = trunc <8 x i8> undef to <8 x i1>
@@ -556,6 +635,7 @@ define i32 @trunc_vXi1() {
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %V64i8 = trunc <64 x i8> undef to <64 x i1>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
 ;
+  %i64 = trunc i64 undef to i1
   %V2i64 = trunc <2 x i64> undef to <2 x i1>
   %V4i64 = trunc <4 x i64> undef to <4 x i1>
   %V8i64 = trunc <8 x i64> undef to <8 x i1>
@@ -563,6 +643,7 @@ define i32 @trunc_vXi1() {
   %V32i64 = trunc <32 x i64> undef to <32 x i1>
   %V64i64 = trunc <64 x i64> undef to <64 x i1>
 
+  %i32 = trunc i32 undef to i1
   %V2i32 = trunc <2 x i32> undef to <2 x i1>
   %V4i32 = trunc <4 x i32> undef to <4 x i1>
   %V8i32 = trunc <8 x i32> undef to <8 x i1>
@@ -570,6 +651,7 @@ define i32 @trunc_vXi1() {
   %V32i32 = trunc <32 x i32> undef to <32 x i1>
   %V64i32 = trunc <64 x i32> undef to <64 x i1>
 
+  %i16 = trunc i16 undef to i1
   %V2i16 = trunc <2 x i16> undef to <2 x i1>
   %V4i16 = trunc <4 x i16> undef to <4 x i1>
   %V8i16 = trunc <8 x i16> undef to <8 x i1>
@@ -577,6 +659,7 @@ define i32 @trunc_vXi1() {
   %V32i16 = trunc <32 x i16> undef to <32 x i1>
   %V64i16 = trunc <64 x i16> undef to <64 x i1>
 
+  %i8 = trunc i8 undef to i1
   %V2i8 = trunc <2 x i8> undef to <2 x i1>
   %V4i8 = trunc <4 x i8> undef to <4 x i1>
   %V8i8 = trunc <8 x i8> undef to <8 x i1>


        


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