diff --git a/llvm/test/Analysis/CostModel/AArch64/sve-arith-fp.ll b/llvm/test/Analysis/CostModel/AArch64/sve-arith-fp.ll
index 1c40354892191..ec848c2c08305 100644
--- a/llvm/test/Analysis/CostModel/AArch64/sve-arith-fp.ll
+++ b/llvm/test/Analysis/CostModel/AArch64/sve-arith-fp.ll
@@ -5,214 +5,214 @@ target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
 
 define void @fadd() {
 ; CHECK-LABEL: 'fadd'
-; CHECK-NEXT:  Cost Model: Found costs of RThru:1 CodeSize:1 Lat:3 SizeLat:1 for: %V4F16 = fadd <vscale x 4 x half> undef, undef
-; CHECK-NEXT:  Cost Model: Found costs of RThru:1 CodeSize:1 Lat:3 SizeLat:1 for: %V8F16 = fadd <vscale x 8 x half> undef, undef
-; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V16F16 = fadd <vscale x 16 x half> undef, undef
-; CHECK-NEXT:  Cost Model: Found costs of Invalid for: %V1F32 = fadd <vscale x 1 x float> undef, undef
-; CHECK-NEXT:  Cost Model: Found costs of RThru:1 CodeSize:1 Lat:3 SizeLat:1 for: %V2F32 = fadd <vscale x 2 x float> undef, undef
-; CHECK-NEXT:  Cost Model: Found costs of RThru:1 CodeSize:1 Lat:3 SizeLat:1 for: %V4F32 = fadd <vscale x 4 x float> undef, undef
-; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V8F32 = fadd <vscale x 8 x float> undef, undef
-; CHECK-NEXT:  Cost Model: Found costs of RThru:1 CodeSize:1 Lat:3 SizeLat:1 for: %V2F64 = fadd <vscale x 2 x double> undef, undef
-; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V4F64 = fadd <vscale x 4 x double> undef, undef
+; CHECK-NEXT:  Cost Model: Found costs of RThru:1 CodeSize:1 Lat:3 SizeLat:1 for: %V4F16 = fadd <vscale x 4 x half> poison, poison
+; CHECK-NEXT:  Cost Model: Found costs of RThru:1 CodeSize:1 Lat:3 SizeLat:1 for: %V8F16 = fadd <vscale x 8 x half> poison, poison
+; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V16F16 = fadd <vscale x 16 x half> poison, poison
+; CHECK-NEXT:  Cost Model: Found costs of Invalid for: %V1F32 = fadd <vscale x 1 x float> poison, poison
+; CHECK-NEXT:  Cost Model: Found costs of RThru:1 CodeSize:1 Lat:3 SizeLat:1 for: %V2F32 = fadd <vscale x 2 x float> poison, poison
+; CHECK-NEXT:  Cost Model: Found costs of RThru:1 CodeSize:1 Lat:3 SizeLat:1 for: %V4F32 = fadd <vscale x 4 x float> poison, poison
+; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V8F32 = fadd <vscale x 8 x float> poison, poison
+; CHECK-NEXT:  Cost Model: Found costs of RThru:1 CodeSize:1 Lat:3 SizeLat:1 for: %V2F64 = fadd <vscale x 2 x double> poison, poison
+; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V4F64 = fadd <vscale x 4 x double> poison, poison
 ; CHECK-NEXT:  Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: ret void
 ;
-  %V4F16 = fadd <vscale x 4 x half> undef, undef
-  %V8F16 = fadd <vscale x 8 x half> undef, undef
-  %V16F16 = fadd <vscale x 16 x half> undef, undef
+  %V4F16 = fadd <vscale x 4 x half> poison, poison
+  %V8F16 = fadd <vscale x 8 x half> poison, poison
+  %V16F16 = fadd <vscale x 16 x half> poison, poison
 
-  %V1F32 = fadd <vscale x 1 x float> undef, undef
-  %V2F32 = fadd <vscale x 2 x float> undef, undef
-  %V4F32 = fadd <vscale x 4 x float> undef, undef
-  %V8F32 = fadd <vscale x 8 x float> undef, undef
+  %V1F32 = fadd <vscale x 1 x float> poison, poison
+  %V2F32 = fadd <vscale x 2 x float> poison, poison
+  %V4F32 = fadd <vscale x 4 x float> poison, poison
+  %V8F32 = fadd <vscale x 8 x float> poison, poison
 
-  %V2F64 = fadd <vscale x 2 x double> undef, undef
-  %V4F64 = fadd <vscale x 4 x double> undef, undef
+  %V2F64 = fadd <vscale x 2 x double> poison, poison
+  %V4F64 = fadd <vscale x 4 x double> poison, poison
 
   ret void
 }
 
 define void @fsub() {
 ; CHECK-LABEL: 'fsub'
-; CHECK-NEXT:  Cost Model: Found costs of RThru:1 CodeSize:1 Lat:3 SizeLat:1 for: %V4F16 = fsub <vscale x 4 x half> undef, undef
-; CHECK-NEXT:  Cost Model: Found costs of RThru:1 CodeSize:1 Lat:3 SizeLat:1 for: %V8F16 = fsub <vscale x 8 x half> undef, undef
-; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V16F16 = fsub <vscale x 16 x half> undef, undef
-; CHECK-NEXT:  Cost Model: Found costs of Invalid for: %V1F32 = fsub <vscale x 1 x float> undef, undef
-; CHECK-NEXT:  Cost Model: Found costs of RThru:1 CodeSize:1 Lat:3 SizeLat:1 for: %V2F32 = fsub <vscale x 2 x float> undef, undef
-; CHECK-NEXT:  Cost Model: Found costs of RThru:1 CodeSize:1 Lat:3 SizeLat:1 for: %V4F32 = fsub <vscale x 4 x float> undef, undef
-; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V8F32 = fsub <vscale x 8 x float> undef, undef
-; CHECK-NEXT:  Cost Model: Found costs of RThru:1 CodeSize:1 Lat:3 SizeLat:1 for: %V2F64 = fsub <vscale x 2 x double> undef, undef
-; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V4F64 = fsub <vscale x 4 x double> undef, undef
+; CHECK-NEXT:  Cost Model: Found costs of RThru:1 CodeSize:1 Lat:3 SizeLat:1 for: %V4F16 = fsub <vscale x 4 x half> poison, poison
+; CHECK-NEXT:  Cost Model: Found costs of RThru:1 CodeSize:1 Lat:3 SizeLat:1 for: %V8F16 = fsub <vscale x 8 x half> poison, poison
+; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V16F16 = fsub <vscale x 16 x half> poison, poison
+; CHECK-NEXT:  Cost Model: Found costs of Invalid for: %V1F32 = fsub <vscale x 1 x float> poison, poison
+; CHECK-NEXT:  Cost Model: Found costs of RThru:1 CodeSize:1 Lat:3 SizeLat:1 for: %V2F32 = fsub <vscale x 2 x float> poison, poison
+; CHECK-NEXT:  Cost Model: Found costs of RThru:1 CodeSize:1 Lat:3 SizeLat:1 for: %V4F32 = fsub <vscale x 4 x float> poison, poison
+; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V8F32 = fsub <vscale x 8 x float> poison, poison
+; CHECK-NEXT:  Cost Model: Found costs of RThru:1 CodeSize:1 Lat:3 SizeLat:1 for: %V2F64 = fsub <vscale x 2 x double> poison, poison
+; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V4F64 = fsub <vscale x 4 x double> poison, poison
 ; CHECK-NEXT:  Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: ret void
 ;
-  %V4F16 = fsub <vscale x 4 x half> undef, undef
-  %V8F16 = fsub <vscale x 8 x half> undef, undef
-  %V16F16 = fsub <vscale x 16 x half> undef, undef
+  %V4F16 = fsub <vscale x 4 x half> poison, poison
+  %V8F16 = fsub <vscale x 8 x half> poison, poison
+  %V16F16 = fsub <vscale x 16 x half> poison, poison
 
-  %V1F32 = fsub <vscale x 1 x float> undef, undef
-  %V2F32 = fsub <vscale x 2 x float> undef, undef
-  %V4F32 = fsub <vscale x 4 x float> undef, undef
-  %V8F32 = fsub <vscale x 8 x float> undef, undef
+  %V1F32 = fsub <vscale x 1 x float> poison, poison
+  %V2F32 = fsub <vscale x 2 x float> poison, poison
+  %V4F32 = fsub <vscale x 4 x float> poison, poison
+  %V8F32 = fsub <vscale x 8 x float> poison, poison
 
-  %V2F64 = fsub <vscale x 2 x double> undef, undef
-  %V4F64 = fsub <vscale x 4 x double> undef, undef
+  %V2F64 = fsub <vscale x 2 x double> poison, poison
+  %V4F64 = fsub <vscale x 4 x double> poison, poison
 
   ret void
 }
 
 define void @fneg() {
 ; CHECK-LABEL: 'fneg'
-; CHECK-NEXT:  Cost Model: Found costs of RThru:1 CodeSize:1 Lat:3 SizeLat:1 for: %V2F16 = fneg <vscale x 2 x half> undef
-; CHECK-NEXT:  Cost Model: Found costs of RThru:1 CodeSize:1 Lat:3 SizeLat:1 for: %V4F16 = fneg <vscale x 4 x half> undef
-; CHECK-NEXT:  Cost Model: Found costs of RThru:1 CodeSize:1 Lat:3 SizeLat:1 for: %V8F16 = fneg <vscale x 8 x half> undef
-; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V16F16 = fneg <vscale x 16 x half> undef
-; CHECK-NEXT:  Cost Model: Found costs of RThru:1 CodeSize:1 Lat:3 SizeLat:1 for: %V2F32 = fneg <vscale x 2 x float> undef
-; CHECK-NEXT:  Cost Model: Found costs of RThru:1 CodeSize:1 Lat:3 SizeLat:1 for: %V4F32 = fneg <vscale x 4 x float> undef
-; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V8F32 = fneg <vscale x 8 x float> undef
-; CHECK-NEXT:  Cost Model: Found costs of RThru:1 CodeSize:1 Lat:3 SizeLat:1 for: %V2F64 = fneg <vscale x 2 x double> undef
-; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V4F64 = fneg <vscale x 4 x double> undef
+; CHECK-NEXT:  Cost Model: Found costs of RThru:1 CodeSize:1 Lat:3 SizeLat:1 for: %V2F16 = fneg <vscale x 2 x half> poison
+; CHECK-NEXT:  Cost Model: Found costs of RThru:1 CodeSize:1 Lat:3 SizeLat:1 for: %V4F16 = fneg <vscale x 4 x half> poison
+; CHECK-NEXT:  Cost Model: Found costs of RThru:1 CodeSize:1 Lat:3 SizeLat:1 for: %V8F16 = fneg <vscale x 8 x half> poison
+; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V16F16 = fneg <vscale x 16 x half> poison
+; CHECK-NEXT:  Cost Model: Found costs of RThru:1 CodeSize:1 Lat:3 SizeLat:1 for: %V2F32 = fneg <vscale x 2 x float> poison
+; CHECK-NEXT:  Cost Model: Found costs of RThru:1 CodeSize:1 Lat:3 SizeLat:1 for: %V4F32 = fneg <vscale x 4 x float> poison
+; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V8F32 = fneg <vscale x 8 x float> poison
+; CHECK-NEXT:  Cost Model: Found costs of RThru:1 CodeSize:1 Lat:3 SizeLat:1 for: %V2F64 = fneg <vscale x 2 x double> poison
+; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V4F64 = fneg <vscale x 4 x double> poison
 ; CHECK-NEXT:  Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: ret void
 ;
-  %V2F16 = fneg <vscale x 2 x half> undef
-  %V4F16 = fneg <vscale x 4 x half> undef
-  %V8F16 = fneg <vscale x 8 x half> undef
-  %V16F16 = fneg <vscale x 16 x half> undef
+  %V2F16 = fneg <vscale x 2 x half> poison
+  %V4F16 = fneg <vscale x 4 x half> poison
+  %V8F16 = fneg <vscale x 8 x half> poison
+  %V16F16 = fneg <vscale x 16 x half> poison
 
-  %V2F32 = fneg <vscale x 2 x float> undef
-  %V4F32 = fneg <vscale x 4 x float> undef
-  %V8F32 = fneg <vscale x 8 x float> undef
+  %V2F32 = fneg <vscale x 2 x float> poison
+  %V4F32 = fneg <vscale x 4 x float> poison
+  %V8F32 = fneg <vscale x 8 x float> poison
 
-  %V2F64 = fneg <vscale x 2 x double> undef
-  %V4F64 = fneg <vscale x 4 x double> undef
+  %V2F64 = fneg <vscale x 2 x double> poison
+  %V4F64 = fneg <vscale x 4 x double> poison
 
   ret void
 }
 
 define void @fmul() {
 ; CHECK-LABEL: 'fmul'
-; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V4F16 = fmul <vscale x 4 x half> undef, undef
-; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V8F16 = fmul <vscale x 8 x half> undef, undef
-; CHECK-NEXT:  Cost Model: Found costs of RThru:4 CodeSize:1 Lat:3 SizeLat:1 for: %V16F16 = fmul <vscale x 16 x half> undef, undef
-; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V2F32 = fmul <vscale x 2 x float> undef, undef
-; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V4F32 = fmul <vscale x 4 x float> undef, undef
-; CHECK-NEXT:  Cost Model: Found costs of RThru:4 CodeSize:1 Lat:3 SizeLat:1 for: %V8F32 = fmul <vscale x 8 x float> undef, undef
-; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V2F64 = fmul <vscale x 2 x double> undef, undef
-; CHECK-NEXT:  Cost Model: Found costs of RThru:4 CodeSize:1 Lat:3 SizeLat:1 for: %V4F64 = fmul <vscale x 4 x double> undef, undef
+; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V4F16 = fmul <vscale x 4 x half> poison, poison
+; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V8F16 = fmul <vscale x 8 x half> poison, poison
+; CHECK-NEXT:  Cost Model: Found costs of RThru:4 CodeSize:1 Lat:3 SizeLat:1 for: %V16F16 = fmul <vscale x 16 x half> poison, poison
+; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V2F32 = fmul <vscale x 2 x float> poison, poison
+; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V4F32 = fmul <vscale x 4 x float> poison, poison
+; CHECK-NEXT:  Cost Model: Found costs of RThru:4 CodeSize:1 Lat:3 SizeLat:1 for: %V8F32 = fmul <vscale x 8 x float> poison, poison
+; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V2F64 = fmul <vscale x 2 x double> poison, poison
+; CHECK-NEXT:  Cost Model: Found costs of RThru:4 CodeSize:1 Lat:3 SizeLat:1 for: %V4F64 = fmul <vscale x 4 x double> poison, poison
 ; CHECK-NEXT:  Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: ret void
 ;
-  %V4F16 = fmul <vscale x 4 x half> undef, undef
-  %V8F16 = fmul <vscale x 8 x half> undef, undef
-  %V16F16 = fmul <vscale x 16 x half> undef, undef
+  %V4F16 = fmul <vscale x 4 x half> poison, poison
+  %V8F16 = fmul <vscale x 8 x half> poison, poison
+  %V16F16 = fmul <vscale x 16 x half> poison, poison
 
-  %V2F32 = fmul <vscale x 2 x float> undef, undef
-  %V4F32 = fmul <vscale x 4 x float> undef, undef
-  %V8F32 = fmul <vscale x 8 x float> undef, undef
+  %V2F32 = fmul <vscale x 2 x float> poison, poison
+  %V4F32 = fmul <vscale x 4 x float> poison, poison
+  %V8F32 = fmul <vscale x 8 x float> poison, poison
 
-  %V2F64 = fmul <vscale x 2 x double> undef, undef
-  %V4F64 = fmul <vscale x 4 x double> undef, undef
+  %V2F64 = fmul <vscale x 2 x double> poison, poison
+  %V4F64 = fmul <vscale x 4 x double> poison, poison
 
   ret void
 }
 
 define void @fdiv() {
 ; CHECK-LABEL: 'fdiv'
-; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:4 Lat:4 SizeLat:4 for: %V4F16 = fdiv <vscale x 4 x half> undef, undef
-; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:4 Lat:4 SizeLat:4 for: %V8F16 = fdiv <vscale x 8 x half> undef, undef
-; CHECK-NEXT:  Cost Model: Found costs of 4 for: %V16F16 = fdiv <vscale x 16 x half> undef, undef
-; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:4 Lat:4 SizeLat:4 for: %V2F32 = fdiv <vscale x 2 x float> undef, undef
-; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:4 Lat:4 SizeLat:4 for: %V4F32 = fdiv <vscale x 4 x float> undef, undef
-; CHECK-NEXT:  Cost Model: Found costs of 4 for: %V8F32 = fdiv <vscale x 8 x float> undef, undef
-; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:4 Lat:4 SizeLat:4 for: %V2F64 = fdiv <vscale x 2 x double> undef, undef
-; CHECK-NEXT:  Cost Model: Found costs of 4 for: %V4F64 = fdiv <vscale x 4 x double> undef, undef
+; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:4 Lat:4 SizeLat:4 for: %V4F16 = fdiv <vscale x 4 x half> poison, poison
+; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:4 Lat:4 SizeLat:4 for: %V8F16 = fdiv <vscale x 8 x half> poison, poison
+; CHECK-NEXT:  Cost Model: Found costs of 4 for: %V16F16 = fdiv <vscale x 16 x half> poison, poison
+; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:4 Lat:4 SizeLat:4 for: %V2F32 = fdiv <vscale x 2 x float> poison, poison
+; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:4 Lat:4 SizeLat:4 for: %V4F32 = fdiv <vscale x 4 x float> poison, poison
+; CHECK-NEXT:  Cost Model: Found costs of 4 for: %V8F32 = fdiv <vscale x 8 x float> poison, poison
+; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:4 Lat:4 SizeLat:4 for: %V2F64 = fdiv <vscale x 2 x double> poison, poison
+; CHECK-NEXT:  Cost Model: Found costs of 4 for: %V4F64 = fdiv <vscale x 4 x double> poison, poison
 ; CHECK-NEXT:  Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: ret void
 ;
-  %V4F16 = fdiv <vscale x 4 x half> undef, undef
-  %V8F16 = fdiv <vscale x 8 x half> undef, undef
-  %V16F16 = fdiv <vscale x 16 x half> undef, undef
+  %V4F16 = fdiv <vscale x 4 x half> poison, poison
+  %V8F16 = fdiv <vscale x 8 x half> poison, poison
+  %V16F16 = fdiv <vscale x 16 x half> poison, poison
 
-  %V2F32 = fdiv <vscale x 2 x float> undef, undef
-  %V4F32 = fdiv <vscale x 4 x float> undef, undef
-  %V8F32 = fdiv <vscale x 8 x float> undef, undef
+  %V2F32 = fdiv <vscale x 2 x float> poison, poison
+  %V4F32 = fdiv <vscale x 4 x float> poison, poison
+  %V8F32 = fdiv <vscale x 8 x float> poison, poison
 
-  %V2F64 = fdiv <vscale x 2 x double> undef, undef
-  %V4F64 = fdiv <vscale x 4 x double> undef, undef
+  %V2F64 = fdiv <vscale x 2 x double> poison, poison
+  %V4F64 = fdiv <vscale x 4 x double> poison, poison
 
   ret void
 }
 
 define void @frem() {
 ; CHECK-LABEL: 'frem'
-; CHECK-NEXT:  Cost Model: Found costs of RThru:Invalid CodeSize:4 Lat:4 SizeLat:4 for: %V4F16 = frem <vscale x 4 x half> undef, undef
-; CHECK-NEXT:  Cost Model: Found costs of RThru:Invalid CodeSize:4 Lat:4 SizeLat:4 for: %V8F16 = frem <vscale x 8 x half> undef, undef
-; CHECK-NEXT:  Cost Model: Found costs of RThru:Invalid CodeSize:4 Lat:4 SizeLat:4 for: %V16F16 = frem <vscale x 16 x half> undef, undef
-; CHECK-NEXT:  Cost Model: Found costs of RThru:Invalid CodeSize:4 Lat:4 SizeLat:4 for: %V2F32 = frem <vscale x 2 x float> undef, undef
-; CHECK-NEXT:  Cost Model: Found costs of RThru:Invalid CodeSize:4 Lat:4 SizeLat:4 for: %V4F32 = frem <vscale x 4 x float> undef, undef
-; CHECK-NEXT:  Cost Model: Found costs of RThru:Invalid CodeSize:4 Lat:4 SizeLat:4 for: %V8F32 = frem <vscale x 8 x float> undef, undef
-; CHECK-NEXT:  Cost Model: Found costs of RThru:Invalid CodeSize:4 Lat:4 SizeLat:4 for: %V2F64 = frem <vscale x 2 x double> undef, undef
-; CHECK-NEXT:  Cost Model: Found costs of RThru:Invalid CodeSize:4 Lat:4 SizeLat:4 for: %V4F64 = frem <vscale x 4 x double> undef, undef
+; CHECK-NEXT:  Cost Model: Found costs of RThru:Invalid CodeSize:4 Lat:4 SizeLat:4 for: %V4F16 = frem <vscale x 4 x half> poison, poison
+; CHECK-NEXT:  Cost Model: Found costs of RThru:Invalid CodeSize:4 Lat:4 SizeLat:4 for: %V8F16 = frem <vscale x 8 x half> poison, poison
+; CHECK-NEXT:  Cost Model: Found costs of RThru:Invalid CodeSize:4 Lat:4 SizeLat:4 for: %V16F16 = frem <vscale x 16 x half> poison, poison
+; CHECK-NEXT:  Cost Model: Found costs of RThru:Invalid CodeSize:4 Lat:4 SizeLat:4 for: %V2F32 = frem <vscale x 2 x float> poison, poison
+; CHECK-NEXT:  Cost Model: Found costs of RThru:Invalid CodeSize:4 Lat:4 SizeLat:4 for: %V4F32 = frem <vscale x 4 x float> poison, poison
+; CHECK-NEXT:  Cost Model: Found costs of RThru:Invalid CodeSize:4 Lat:4 SizeLat:4 for: %V8F32 = frem <vscale x 8 x float> poison, poison
+; CHECK-NEXT:  Cost Model: Found costs of RThru:Invalid CodeSize:4 Lat:4 SizeLat:4 for: %V2F64 = frem <vscale x 2 x double> poison, poison
+; CHECK-NEXT:  Cost Model: Found costs of RThru:Invalid CodeSize:4 Lat:4 SizeLat:4 for: %V4F64 = frem <vscale x 4 x double> poison, poison
 ; CHECK-NEXT:  Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: ret void
 ;
-  %V4F16 = frem <vscale x 4 x half> undef, undef
-  %V8F16 = frem <vscale x 8 x half> undef, undef
-  %V16F16 = frem <vscale x 16 x half> undef, undef
+  %V4F16 = frem <vscale x 4 x half> poison, poison
+  %V8F16 = frem <vscale x 8 x half> poison, poison
+  %V16F16 = frem <vscale x 16 x half> poison, poison
 
-  %V2F32 = frem <vscale x 2 x float> undef, undef
-  %V4F32 = frem <vscale x 4 x float> undef, undef
-  %V8F32 = frem <vscale x 8 x float> undef, undef
+  %V2F32 = frem <vscale x 2 x float> poison, poison
+  %V4F32 = frem <vscale x 4 x float> poison, poison
+  %V8F32 = frem <vscale x 8 x float> poison, poison
 
-  %V2F64 = frem <vscale x 2 x double> undef, undef
-  %V4F64 = frem <vscale x 4 x double> undef, undef
+  %V2F64 = frem <vscale x 2 x double> poison, poison
+  %V4F64 = frem <vscale x 4 x double> poison, poison
 
   ret void
 }
 
 define void @fma() {
 ; CHECK-LABEL: 'fma'
-; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V4F16 = call <vscale x 4 x half> @llvm.fma.nxv4f16(<vscale x 4 x half> undef, <vscale x 4 x half> undef, <vscale x 4 x half> undef)
-; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V8F16 = call <vscale x 8 x half> @llvm.fma.nxv8f16(<vscale x 8 x half> undef, <vscale x 8 x half> undef, <vscale x 8 x half> undef)
-; CHECK-NEXT:  Cost Model: Found costs of RThru:4 CodeSize:1 Lat:3 SizeLat:1 for: %V16F16 = call <vscale x 16 x half> @llvm.fma.nxv16f16(<vscale x 16 x half> undef, <vscale x 16 x half> undef, <vscale x 16 x half> undef)
-; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V2F32 = call <vscale x 2 x float> @llvm.fma.nxv2f32(<vscale x 2 x float> undef, <vscale x 2 x float> undef, <vscale x 2 x float> undef)
-; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V4F32 = call <vscale x 4 x float> @llvm.fma.nxv4f32(<vscale x 4 x float> undef, <vscale x 4 x float> undef, <vscale x 4 x float> undef)
-; CHECK-NEXT:  Cost Model: Found costs of RThru:4 CodeSize:1 Lat:3 SizeLat:1 for: %V8F32 = call <vscale x 8 x float> @llvm.fma.nxv8f32(<vscale x 8 x float> undef, <vscale x 8 x float> undef, <vscale x 8 x float> undef)
-; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V2F64 = call <vscale x 2 x double> @llvm.fma.nxv2f64(<vscale x 2 x double> undef, <vscale x 2 x double> undef, <vscale x 2 x double> undef)
-; CHECK-NEXT:  Cost Model: Found costs of RThru:4 CodeSize:1 Lat:3 SizeLat:1 for: %V4F64 = call <vscale x 4 x double> @llvm.fma.nxv4f64(<vscale x 4 x double> undef, <vscale x 4 x double> undef, <vscale x 4 x double> undef)
+; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V4F16 = call <vscale x 4 x half> @llvm.fma.nxv4f16(<vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison)
+; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V8F16 = call <vscale x 8 x half> @llvm.fma.nxv8f16(<vscale x 8 x half> poison, <vscale x 8 x half> poison, <vscale x 8 x half> poison)
+; CHECK-NEXT:  Cost Model: Found costs of RThru:4 CodeSize:1 Lat:3 SizeLat:1 for: %V16F16 = call <vscale x 16 x half> @llvm.fma.nxv16f16(<vscale x 16 x half> poison, <vscale x 16 x half> poison, <vscale x 16 x half> poison)
+; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V2F32 = call <vscale x 2 x float> @llvm.fma.nxv2f32(<vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison)
+; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V4F32 = call <vscale x 4 x float> @llvm.fma.nxv4f32(<vscale x 4 x float> poison, <vscale x 4 x float> poison, <vscale x 4 x float> poison)
+; CHECK-NEXT:  Cost Model: Found costs of RThru:4 CodeSize:1 Lat:3 SizeLat:1 for: %V8F32 = call <vscale x 8 x float> @llvm.fma.nxv8f32(<vscale x 8 x float> poison, <vscale x 8 x float> poison, <vscale x 8 x float> poison)
+; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V2F64 = call <vscale x 2 x double> @llvm.fma.nxv2f64(<vscale x 2 x double> poison, <vscale x 2 x double> poison, <vscale x 2 x double> poison)
+; CHECK-NEXT:  Cost Model: Found costs of RThru:4 CodeSize:1 Lat:3 SizeLat:1 for: %V4F64 = call <vscale x 4 x double> @llvm.fma.nxv4f64(<vscale x 4 x double> poison, <vscale x 4 x double> poison, <vscale x 4 x double> poison)
 ; CHECK-NEXT:  Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: ret void
 ;
-  %V4F16 = call <vscale x 4 x half> @llvm.fma.v4f16(<vscale x 4 x half> undef, <vscale x 4 x half> undef, <vscale x 4 x half> undef)
-  %V8F16 = call <vscale x 8 x half> @llvm.fma.v8f16(<vscale x 8 x half> undef, <vscale x 8 x half> undef, <vscale x 8 x half> undef)
-  %V16F16 = call <vscale x 16 x half> @llvm.fma.v16f16(<vscale x 16 x half> undef, <vscale x 16 x half> undef, <vscale x 16 x half> undef)
+  %V4F16 = call <vscale x 4 x half> @llvm.fma.v4f16(<vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison)
+  %V8F16 = call <vscale x 8 x half> @llvm.fma.v8f16(<vscale x 8 x half> poison, <vscale x 8 x half> poison, <vscale x 8 x half> poison)
+  %V16F16 = call <vscale x 16 x half> @llvm.fma.v16f16(<vscale x 16 x half> poison, <vscale x 16 x half> poison, <vscale x 16 x half> poison)
 
-  %V2F32 = call <vscale x 2 x float> @llvm.fma.v2f32(<vscale x 2 x float> undef, <vscale x 2 x float> undef, <vscale x 2 x float> undef)
-  %V4F32 = call <vscale x 4 x float> @llvm.fma.v4f32(<vscale x 4 x float> undef, <vscale x 4 x float> undef, <vscale x 4 x float> undef)
-  %V8F32 = call <vscale x 8 x float> @llvm.fma.v8f32(<vscale x 8 x float> undef, <vscale x 8 x float> undef, <vscale x 8 x float> undef)
+  %V2F32 = call <vscale x 2 x float> @llvm.fma.v2f32(<vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison)
+  %V4F32 = call <vscale x 4 x float> @llvm.fma.v4f32(<vscale x 4 x float> poison, <vscale x 4 x float> poison, <vscale x 4 x float> poison)
+  %V8F32 = call <vscale x 8 x float> @llvm.fma.v8f32(<vscale x 8 x float> poison, <vscale x 8 x float> poison, <vscale x 8 x float> poison)
 
-  %V2F64 = call <vscale x 2 x double> @llvm.fma.v2f64(<vscale x 2 x double> undef, <vscale x 2 x double> undef, <vscale x 2 x double> undef)
-  %V4F64 = call <vscale x 4 x double> @llvm.fma.v4f64(<vscale x 4 x double> undef, <vscale x 4 x double> undef, <vscale x 4 x double> undef)
+  %V2F64 = call <vscale x 2 x double> @llvm.fma.v2f64(<vscale x 2 x double> poison, <vscale x 2 x double> poison, <vscale x 2 x double> poison)
+  %V4F64 = call <vscale x 4 x double> @llvm.fma.v4f64(<vscale x 4 x double> poison, <vscale x 4 x double> poison, <vscale x 4 x double> poison)
 
   ret void
 }
 
 define void @fmuladd() {
 ; CHECK-LABEL: 'fmuladd'
-; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V4F16 = call <vscale x 4 x half> @llvm.fmuladd.nxv4f16(<vscale x 4 x half> undef, <vscale x 4 x half> undef, <vscale x 4 x half> undef)
-; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V8F16 = call <vscale x 8 x half> @llvm.fmuladd.nxv8f16(<vscale x 8 x half> undef, <vscale x 8 x half> undef, <vscale x 8 x half> undef)
-; CHECK-NEXT:  Cost Model: Found costs of RThru:4 CodeSize:1 Lat:3 SizeLat:1 for: %V16F16 = call <vscale x 16 x half> @llvm.fmuladd.nxv16f16(<vscale x 16 x half> undef, <vscale x 16 x half> undef, <vscale x 16 x half> undef)
-; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V2F32 = call <vscale x 2 x float> @llvm.fmuladd.nxv2f32(<vscale x 2 x float> undef, <vscale x 2 x float> undef, <vscale x 2 x float> undef)
-; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V4F32 = call <vscale x 4 x float> @llvm.fmuladd.nxv4f32(<vscale x 4 x float> undef, <vscale x 4 x float> undef, <vscale x 4 x float> undef)
-; CHECK-NEXT:  Cost Model: Found costs of RThru:4 CodeSize:1 Lat:3 SizeLat:1 for: %V8F32 = call <vscale x 8 x float> @llvm.fmuladd.nxv8f32(<vscale x 8 x float> undef, <vscale x 8 x float> undef, <vscale x 8 x float> undef)
-; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V2F64 = call <vscale x 2 x double> @llvm.fmuladd.nxv2f64(<vscale x 2 x double> undef, <vscale x 2 x double> undef, <vscale x 2 x double> undef)
-; CHECK-NEXT:  Cost Model: Found costs of RThru:4 CodeSize:1 Lat:3 SizeLat:1 for: %V4F64 = call <vscale x 4 x double> @llvm.fmuladd.nxv4f64(<vscale x 4 x double> undef, <vscale x 4 x double> undef, <vscale x 4 x double> undef)
+; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V4F16 = call <vscale x 4 x half> @llvm.fmuladd.nxv4f16(<vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison)
+; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V8F16 = call <vscale x 8 x half> @llvm.fmuladd.nxv8f16(<vscale x 8 x half> poison, <vscale x 8 x half> poison, <vscale x 8 x half> poison)
+; CHECK-NEXT:  Cost Model: Found costs of RThru:4 CodeSize:1 Lat:3 SizeLat:1 for: %V16F16 = call <vscale x 16 x half> @llvm.fmuladd.nxv16f16(<vscale x 16 x half> poison, <vscale x 16 x half> poison, <vscale x 16 x half> poison)
+; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V2F32 = call <vscale x 2 x float> @llvm.fmuladd.nxv2f32(<vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison)
+; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V4F32 = call <vscale x 4 x float> @llvm.fmuladd.nxv4f32(<vscale x 4 x float> poison, <vscale x 4 x float> poison, <vscale x 4 x float> poison)
+; CHECK-NEXT:  Cost Model: Found costs of RThru:4 CodeSize:1 Lat:3 SizeLat:1 for: %V8F32 = call <vscale x 8 x float> @llvm.fmuladd.nxv8f32(<vscale x 8 x float> poison, <vscale x 8 x float> poison, <vscale x 8 x float> poison)
+; CHECK-NEXT:  Cost Model: Found costs of RThru:2 CodeSize:1 Lat:3 SizeLat:1 for: %V2F64 = call <vscale x 2 x double> @llvm.fmuladd.nxv2f64(<vscale x 2 x double> poison, <vscale x 2 x double> poison, <vscale x 2 x double> poison)
+; CHECK-NEXT:  Cost Model: Found costs of RThru:4 CodeSize:1 Lat:3 SizeLat:1 for: %V4F64 = call <vscale x 4 x double> @llvm.fmuladd.nxv4f64(<vscale x 4 x double> poison, <vscale x 4 x double> poison, <vscale x 4 x double> poison)
 ; CHECK-NEXT:  Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: ret void
 ;
-  %V4F16 = call <vscale x 4 x half> @llvm.fmuladd.v4f16(<vscale x 4 x half> undef, <vscale x 4 x half> undef, <vscale x 4 x half> undef)
-  %V8F16 = call <vscale x 8 x half> @llvm.fmuladd.v8f16(<vscale x 8 x half> undef, <vscale x 8 x half> undef, <vscale x 8 x half> undef)
-  %V16F16 = call <vscale x 16 x half> @llvm.fmuladd.v16f16(<vscale x 16 x half> undef, <vscale x 16 x half> undef, <vscale x 16 x half> undef)
+  %V4F16 = call <vscale x 4 x half> @llvm.fmuladd.v4f16(<vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison)
+  %V8F16 = call <vscale x 8 x half> @llvm.fmuladd.v8f16(<vscale x 8 x half> poison, <vscale x 8 x half> poison, <vscale x 8 x half> poison)
+  %V16F16 = call <vscale x 16 x half> @llvm.fmuladd.v16f16(<vscale x 16 x half> poison, <vscale x 16 x half> poison, <vscale x 16 x half> poison)
 
-  %V2F32 = call <vscale x 2 x float> @llvm.fmuladd.v2f32(<vscale x 2 x float> undef, <vscale x 2 x float> undef, <vscale x 2 x float> undef)
-  %V4F32 = call <vscale x 4 x float> @llvm.fmuladd.v4f32(<vscale x 4 x float> undef, <vscale x 4 x float> undef, <vscale x 4 x float> undef)
-  %V8F32 = call <vscale x 8 x float> @llvm.fmuladd.v8f32(<vscale x 8 x float> undef, <vscale x 8 x float> undef, <vscale x 8 x float> undef)
+  %V2F32 = call <vscale x 2 x float> @llvm.fmuladd.v2f32(<vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison)
+  %V4F32 = call <vscale x 4 x float> @llvm.fmuladd.v4f32(<vscale x 4 x float> poison, <vscale x 4 x float> poison, <vscale x 4 x float> poison)
+  %V8F32 = call <vscale x 8 x float> @llvm.fmuladd.v8f32(<vscale x 8 x float> poison, <vscale x 8 x float> poison, <vscale x 8 x float> poison)
 
-  %V2F64 = call <vscale x 2 x double> @llvm.fmuladd.v2f64(<vscale x 2 x double> undef, <vscale x 2 x double> undef, <vscale x 2 x double> undef)
-  %V4F64 = call <vscale x 4 x double> @llvm.fmuladd.v4f64(<vscale x 4 x double> undef, <vscale x 4 x double> undef, <vscale x 4 x double> undef)
+  %V2F64 = call <vscale x 2 x double> @llvm.fmuladd.v2f64(<vscale x 2 x double> poison, <vscale x 2 x double> poison, <vscale x 2 x double> poison)
+  %V4F64 = call <vscale x 4 x double> @llvm.fmuladd.v4f64(<vscale x 4 x double> poison, <vscale x 4 x double> poison, <vscale x 4 x double> poison)
 
   ret void
 }