[AArch64] Replace undef with poison in sve-intrinsics.ll (NFC)

[kmclaughlin-arm]

No description provided.

[llvmbot]

@llvm/pr-subscribers-llvm-analysis

Author: Kerry McLaughlin (kmclaughlin-arm)

Changes

---

Patch is 132.69 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/163399.diff

1 Files Affected:

• (modified) llvm/test/Analysis/CostModel/AArch64/sve-intrinsics.ll (+372-372)

diff --git a/llvm/test/Analysis/CostModel/AArch64/sve-intrinsics.ll b/llvm/test/Analysis/CostModel/AArch64/sve-intrinsics.ll
index 609a23bc07938..0976a108cfb2c 100644
--- a/llvm/test/Analysis/CostModel/AArch64/sve-intrinsics.ll
+++ b/llvm/test/Analysis/CostModel/AArch64/sve-intrinsics.ll
@@ -40,50 +40,50 @@ declare <vscale x 16 x i32> @llvm.vector.insert.nxv16i32.nxv4i32(<vscale x 16 x
 
 define void @vector_insert_extract_idxzero_128b() #1 {
 ; CHECK-VSCALE-1-LABEL: 'vector_insert_extract_idxzero_128b'
-; CHECK-VSCALE-1-NEXT:  Cost Model: Found costs of 0 for: %insert_legal_fixed_into_scalable = call <vscale x 4 x float> @llvm.vector.insert.nxv4f32.v4f32(<vscale x 4 x float> undef, <4 x float> undef, i64 0)
-; CHECK-VSCALE-1-NEXT:  Cost Model: Found costs of 0 for: %extract_legal_fixed_from_scalable = call <2 x double> @llvm.vector.extract.v2f64.nxv2f64(<vscale x 2 x double> undef, i64 0)
-; CHECK-VSCALE-1-NEXT:  Cost Model: Found costs of 1 for: %insert_nxv16i1_nxv2i1 = call <vscale x 16 x i1> @llvm.vector.insert.nxv16i1.nxv2i1(<vscale x 16 x i1> undef, <vscale x 2 x i1> undef, i64 0)
-; CHECK-VSCALE-1-NEXT:  Cost Model: Found costs of 1 for: %extract_nxv4i1_nxv16i1 = call <vscale x 4 x i1> @llvm.vector.extract.nxv4i1.nxv16i1(<vscale x 16 x i1> undef, i64 0)
-; CHECK-VSCALE-1-NEXT:  Cost Model: Found costs of RThru:48 CodeSize:32 Lat:48 SizeLat:48 for: %extract_v8i1_nxv8i1 = call <8 x i1> @llvm.vector.extract.v8i1.nxv8i1(<vscale x 8 x i1> undef, i64 0)
-; CHECK-VSCALE-1-NEXT:  Cost Model: Found costs of RThru:4 CodeSize:2 Lat:4 SizeLat:4 for: %insert_v2f32_nxv2f32 = call <vscale x 2 x float> @llvm.vector.insert.nxv2f32.v2f32(<vscale x 2 x float> undef, <2 x float> undef, i64 0)
-; CHECK-VSCALE-1-NEXT:  Cost Model: Found costs of RThru:12 CodeSize:6 Lat:12 SizeLat:12 for: %extract_v4f16_nxv4f16 = call <4 x half> @llvm.vector.extract.v4f16.nxv4f16(<vscale x 4 x half> undef, i64 0)
-; CHECK-VSCALE-1-NEXT:  Cost Model: Found costs of 1 for: %insert_nxv2f32_nxv4f32 = call <vscale x 4 x float> @llvm.vector.insert.nxv4f32.nxv2f32(<vscale x 4 x float> undef, <vscale x 2 x float> undef, i64 0)
-; CHECK-VSCALE-1-NEXT:  Cost Model: Found costs of 1 for: %extract_nxv4f32_nxv8f32 = call <vscale x 4 x float> @llvm.vector.extract.nxv4f32.nxv8f32(<vscale x 8 x float> undef, i64 0)
+; CHECK-VSCALE-1-NEXT:  Cost Model: Found costs of 0 for: %insert_legal_fixed_into_scalable = call <vscale x 4 x float> @llvm.vector.insert.nxv4f32.v4f32(<vscale x 4 x float> poison, <4 x float> poison, i64 0)
+; CHECK-VSCALE-1-NEXT:  Cost Model: Found costs of 0 for: %extract_legal_fixed_from_scalable = call <2 x double> @llvm.vector.extract.v2f64.nxv2f64(<vscale x 2 x double> poison, i64 0)
+; CHECK-VSCALE-1-NEXT:  Cost Model: Found costs of 1 for: %insert_nxv16i1_nxv2i1 = call <vscale x 16 x i1> @llvm.vector.insert.nxv16i1.nxv2i1(<vscale x 16 x i1> poison, <vscale x 2 x i1> poison, i64 0)
+; CHECK-VSCALE-1-NEXT:  Cost Model: Found costs of 1 for: %extract_nxv4i1_nxv16i1 = call <vscale x 4 x i1> @llvm.vector.extract.nxv4i1.nxv16i1(<vscale x 16 x i1> poison, i64 0)
+; CHECK-VSCALE-1-NEXT:  Cost Model: Found costs of RThru:48 CodeSize:32 Lat:48 SizeLat:48 for: %extract_v8i1_nxv8i1 = call <8 x i1> @llvm.vector.extract.v8i1.nxv8i1(<vscale x 8 x i1> poison, i64 0)
+; CHECK-VSCALE-1-NEXT:  Cost Model: Found costs of RThru:4 CodeSize:2 Lat:4 SizeLat:4 for: %insert_v2f32_nxv2f32 = call <vscale x 2 x float> @llvm.vector.insert.nxv2f32.v2f32(<vscale x 2 x float> poison, <2 x float> poison, i64 0)
+; CHECK-VSCALE-1-NEXT:  Cost Model: Found costs of RThru:12 CodeSize:6 Lat:12 SizeLat:12 for: %extract_v4f16_nxv4f16 = call <4 x half> @llvm.vector.extract.v4f16.nxv4f16(<vscale x 4 x half> poison, i64 0)
+; CHECK-VSCALE-1-NEXT:  Cost Model: Found costs of 1 for: %insert_nxv2f32_nxv4f32 = call <vscale x 4 x float> @llvm.vector.insert.nxv4f32.nxv2f32(<vscale x 4 x float> poison, <vscale x 2 x float> poison, i64 0)
+; CHECK-VSCALE-1-NEXT:  Cost Model: Found costs of 1 for: %extract_nxv4f32_nxv8f32 = call <vscale x 4 x float> @llvm.vector.extract.nxv4f32.nxv8f32(<vscale x 8 x float> poison, i64 0)
 ; CHECK-VSCALE-1-NEXT:  Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: ret void
 ;
 ; CHECK-VSCALE-2-LABEL: 'vector_insert_extract_idxzero_128b'
-; CHECK-VSCALE-2-NEXT:  Cost Model: Found costs of 0 for: %insert_legal_fixed_into_scalable = call <vscale x 4 x float> @llvm.vector.insert.nxv4f32.v4f32(<vscale x 4 x float> undef, <4 x float> undef, i64 0)
-; CHECK-VSCALE-2-NEXT:  Cost Model: Found costs of 0 for: %extract_legal_fixed_from_scalable = call <2 x double> @llvm.vector.extract.v2f64.nxv2f64(<vscale x 2 x double> undef, i64 0)
-; CHECK-VSCALE-2-NEXT:  Cost Model: Found costs of 1 for: %insert_nxv16i1_nxv2i1 = call <vscale x 16 x i1> @llvm.vector.insert.nxv16i1.nxv2i1(<vscale x 16 x i1> undef, <vscale x 2 x i1> undef, i64 0)
-; CHECK-VSCALE-2-NEXT:  Cost Model: Found costs of 1 for: %extract_nxv4i1_nxv16i1 = call <vscale x 4 x i1> @llvm.vector.extract.nxv4i1.nxv16i1(<vscale x 16 x i1> undef, i64 0)
-; CHECK-VSCALE-2-NEXT:  Cost Model: Found costs of RThru:48 CodeSize:32 Lat:48 SizeLat:48 for: %extract_v8i1_nxv8i1 = call <8 x i1> @llvm.vector.extract.v8i1.nxv8i1(<vscale x 8 x i1> undef, i64 0)
-; CHECK-VSCALE-2-NEXT:  Cost Model: Found costs of RThru:4 CodeSize:2 Lat:4 SizeLat:4 for: %insert_v2f32_nxv2f32 = call <vscale x 2 x float> @llvm.vector.insert.nxv2f32.v2f32(<vscale x 2 x float> undef, <2 x float> undef, i64 0)
-; CHECK-VSCALE-2-NEXT:  Cost Model: Found costs of RThru:12 CodeSize:6 Lat:12 SizeLat:12 for: %extract_v4f16_nxv4f16 = call <4 x half> @llvm.vector.extract.v4f16.nxv4f16(<vscale x 4 x half> undef, i64 0)
-; CHECK-VSCALE-2-NEXT:  Cost Model: Found costs of 1 for: %insert_nxv2f32_nxv4f32 = call <vscale x 4 x float> @llvm.vector.insert.nxv4f32.nxv2f32(<vscale x 4 x float> undef, <vscale x 2 x float> undef, i64 0)
-; CHECK-VSCALE-2-NEXT:  Cost Model: Found costs of 1 for: %extract_nxv4f32_nxv8f32 = call <vscale x 4 x float> @llvm.vector.extract.nxv4f32.nxv8f32(<vscale x 8 x float> undef, i64 0)
+; CHECK-VSCALE-2-NEXT:  Cost Model: Found costs of 0 for: %insert_legal_fixed_into_scalable = call <vscale x 4 x float> @llvm.vector.insert.nxv4f32.v4f32(<vscale x 4 x float> poison, <4 x float> poison, i64 0)
+; CHECK-VSCALE-2-NEXT:  Cost Model: Found costs of 0 for: %extract_legal_fixed_from_scalable = call <2 x double> @llvm.vector.extract.v2f64.nxv2f64(<vscale x 2 x double> poison, i64 0)
+; CHECK-VSCALE-2-NEXT:  Cost Model: Found costs of 1 for: %insert_nxv16i1_nxv2i1 = call <vscale x 16 x i1> @llvm.vector.insert.nxv16i1.nxv2i1(<vscale x 16 x i1> poison, <vscale x 2 x i1> poison, i64 0)
+; CHECK-VSCALE-2-NEXT:  Cost Model: Found costs of 1 for: %extract_nxv4i1_nxv16i1 = call <vscale x 4 x i1> @llvm.vector.extract.nxv4i1.nxv16i1(<vscale x 16 x i1> poison, i64 0)
+; CHECK-VSCALE-2-NEXT:  Cost Model: Found costs of RThru:48 CodeSize:32 Lat:48 SizeLat:48 for: %extract_v8i1_nxv8i1 = call <8 x i1> @llvm.vector.extract.v8i1.nxv8i1(<vscale x 8 x i1> poison, i64 0)
+; CHECK-VSCALE-2-NEXT:  Cost Model: Found costs of RThru:4 CodeSize:2 Lat:4 SizeLat:4 for: %insert_v2f32_nxv2f32 = call <vscale x 2 x float> @llvm.vector.insert.nxv2f32.v2f32(<vscale x 2 x float> poison, <2 x float> poison, i64 0)
+; CHECK-VSCALE-2-NEXT:  Cost Model: Found costs of RThru:12 CodeSize:6 Lat:12 SizeLat:12 for: %extract_v4f16_nxv4f16 = call <4 x half> @llvm.vector.extract.v4f16.nxv4f16(<vscale x 4 x half> poison, i64 0)
+; CHECK-VSCALE-2-NEXT:  Cost Model: Found costs of 1 for: %insert_nxv2f32_nxv4f32 = call <vscale x 4 x float> @llvm.vector.insert.nxv4f32.nxv2f32(<vscale x 4 x float> poison, <vscale x 2 x float> poison, i64 0)
+; CHECK-VSCALE-2-NEXT:  Cost Model: Found costs of 1 for: %extract_nxv4f32_nxv8f32 = call <vscale x 4 x float> @llvm.vector.extract.nxv4f32.nxv8f32(<vscale x 8 x float> poison, i64 0)
 ; CHECK-VSCALE-2-NEXT:  Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: ret void
 ;
 ; TYPE_BASED_ONLY-LABEL: 'vector_insert_extract_idxzero_128b'
-; TYPE_BASED_ONLY-NEXT:  Cost Model: Found costs of Invalid for: %insert_legal_fixed_into_scalable = call <vscale x 4 x float> @llvm.vector.insert.nxv4f32.v4f32(<vscale x 4 x float> undef, <4 x float> undef, i64 0)
-; TYPE_BASED_ONLY-NEXT:  Cost Model: Found costs of Invalid for: %extract_legal_fixed_from_scalable = call <2 x double> @llvm.vector.extract.v2f64.nxv2f64(<vscale x 2 x double> undef, i64 0)
-; TYPE_BASED_ONLY-NEXT:  Cost Model: Found costs of Invalid for: %insert_nxv16i1_nxv2i1 = call <vscale x 16 x i1> @llvm.vector.insert.nxv16i1.nxv2i1(<vscale x 16 x i1> undef, <vscale x 2 x i1> undef, i64 0)
-; TYPE_BASED_ONLY-NEXT:  Cost Model: Found costs of Invalid for: %extract_nxv4i1_nxv16i1 = call <vscale x 4 x i1> @llvm.vector.extract.nxv4i1.nxv16i1(<vscale x 16 x i1> undef, i64 0)
-; TYPE_BASED_ONLY-NEXT:  Cost Model: Found costs of Invalid for: %extract_v8i1_nxv8i1 = call <8 x i1> @llvm.vector.extract.v8i1.nxv8i1(<vscale x 8 x i1> undef, i64 0)
-; TYPE_BASED_ONLY-NEXT:  Cost Model: Found costs of Invalid for: %insert_v2f32_nxv2f32 = call <vscale x 2 x float> @llvm.vector.insert.nxv2f32.v2f32(<vscale x 2 x float> undef, <2 x float> undef, i64 0)
-; TYPE_BASED_ONLY-NEXT:  Cost Model: Found costs of Invalid for: %extract_v4f16_nxv4f16 = call <4 x half> @llvm.vector.extract.v4f16.nxv4f16(<vscale x 4 x half> undef, i64 0)
-; TYPE_BASED_ONLY-NEXT:  Cost Model: Found costs of Invalid for: %insert_nxv2f32_nxv4f32 = call <vscale x 4 x float> @llvm.vector.insert.nxv4f32.nxv2f32(<vscale x 4 x float> undef, <vscale x 2 x float> undef, i64 0)
-; TYPE_BASED_ONLY-NEXT:  Cost Model: Found costs of Invalid for: %extract_nxv4f32_nxv8f32 = call <vscale x 4 x float> @llvm.vector.extract.nxv4f32.nxv8f32(<vscale x 8 x float> undef, i64 0)
+; TYPE_BASED_ONLY-NEXT:  Cost Model: Found costs of Invalid for: %insert_legal_fixed_into_scalable = call <vscale x 4 x float> @llvm.vector.insert.nxv4f32.v4f32(<vscale x 4 x float> poison, <4 x float> poison, i64 0)
+; TYPE_BASED_ONLY-NEXT:  Cost Model: Found costs of Invalid for: %extract_legal_fixed_from_scalable = call <2 x double> @llvm.vector.extract.v2f64.nxv2f64(<vscale x 2 x double> poison, i64 0)
+; TYPE_BASED_ONLY-NEXT:  Cost Model: Found costs of Invalid for: %insert_nxv16i1_nxv2i1 = call <vscale x 16 x i1> @llvm.vector.insert.nxv16i1.nxv2i1(<vscale x 16 x i1> poison, <vscale x 2 x i1> poison, i64 0)
+; TYPE_BASED_ONLY-NEXT:  Cost Model: Found costs of Invalid for: %extract_nxv4i1_nxv16i1 = call <vscale x 4 x i1> @llvm.vector.extract.nxv4i1.nxv16i1(<vscale x 16 x i1> poison, i64 0)
+; TYPE_BASED_ONLY-NEXT:  Cost Model: Found costs of Invalid for: %extract_v8i1_nxv8i1 = call <8 x i1> @llvm.vector.extract.v8i1.nxv8i1(<vscale x 8 x i1> poison, i64 0)
+; TYPE_BASED_ONLY-NEXT:  Cost Model: Found costs of Invalid for: %insert_v2f32_nxv2f32 = call <vscale x 2 x float> @llvm.vector.insert.nxv2f32.v2f32(<vscale x 2 x float> poison, <2 x float> poison, i64 0)
+; TYPE_BASED_ONLY-NEXT:  Cost Model: Found costs of Invalid for: %extract_v4f16_nxv4f16 = call <4 x half> @llvm.vector.extract.v4f16.nxv4f16(<vscale x 4 x half> poison, i64 0)
+; TYPE_BASED_ONLY-NEXT:  Cost Model: Found costs of Invalid for: %insert_nxv2f32_nxv4f32 = call <vscale x 4 x float> @llvm.vector.insert.nxv4f32.nxv2f32(<vscale x 4 x float> poison, <vscale x 2 x float> poison, i64 0)
+; TYPE_BASED_ONLY-NEXT:  Cost Model: Found costs of Invalid for: %extract_nxv4f32_nxv8f32 = call <vscale x 4 x float> @llvm.vector.extract.nxv4f32.nxv8f32(<vscale x 8 x float> poison, i64 0)
 ; TYPE_BASED_ONLY-NEXT:  Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: ret void
 ;
-  %insert_legal_fixed_into_scalable = call <vscale x 4 x float> @llvm.vector.insert.nxv4f32.v4f32(<vscale x 4 x float> undef, <4 x float> undef, i64 0)
-  %extract_legal_fixed_from_scalable = call <2 x double> @llvm.vector.extract.v2f64.nxv2f64(<vscale x 2 x double> undef, i64 0)
-  %insert_nxv16i1_nxv2i1 = call <vscale x 16 x i1> @llvm.vector.insert.nxv16i1.v2i1(<vscale x 16 x i1> undef, <vscale x 2 x i1> undef, i64 0)
-  %extract_nxv4i1_nxv16i1 = call <vscale x 4 x i1> @llvm.vector.extract.nxv4i1.nxv16i1(<vscale x 16 x i1> undef, i64 0)
-  %extract_v8i1_nxv8i1 = call <8 x i1> @llvm.vector.extract.v8i1.nxv8i1(<vscale x 8 x i1> undef, i64 0)
-  %insert_v2f32_nxv2f32 = call <vscale x 2 x float> @llvm.vector.insert.nxv2f32.v2f32(<vscale x 2 x float> undef, <2 x float> undef, i64 0)
-  %extract_v4f16_nxv4f16 = call <4 x half> @llvm.vector.extract.v4f16.nxv4f16(<vscale x 4 x half> undef, i64 0)
-  %insert_nxv2f32_nxv4f32 = call <vscale x 4 x float> @llvm.vector.insert.nxv4f32.nxv2f32(<vscale x 4 x float> undef, <vscale x 2 x float> undef, i64 0)
-  %extract_nxv4f32_nxv8f32 = call <vscale x 4 x float> @llvm.vector.extract.nxv4f32.nxv8f32(<vscale x 8 x float> undef, i64 0)
+  %insert_legal_fixed_into_scalable = call <vscale x 4 x float> @llvm.vector.insert.nxv4f32.v4f32(<vscale x 4 x float> poison, <4 x float> poison, i64 0)
+  %extract_legal_fixed_from_scalable = call <2 x double> @llvm.vector.extract.v2f64.nxv2f64(<vscale x 2 x double> poison, i64 0)
+  %insert_nxv16i1_nxv2i1 = call <vscale x 16 x i1> @llvm.vector.insert.nxv16i1.v2i1(<vscale x 16 x i1> poison, <vscale x 2 x i1> poison, i64 0)
+  %extract_nxv4i1_nxv16i1 = call <vscale x 4 x i1> @llvm.vector.extract.nxv4i1.nxv16i1(<vscale x 16 x i1> poison, i64 0)
+  %extract_v8i1_nxv8i1 = call <8 x i1> @llvm.vector.extract.v8i1.nxv8i1(<vscale x 8 x i1> poison, i64 0)
+  %insert_v2f32_nxv2f32 = call <vscale x 2 x float> @llvm.vector.insert.nxv2f32.v2f32(<vscale x 2 x float> poison, <2 x float> poison, i64 0)
+  %extract_v4f16_nxv4f16 = call <4 x half> @llvm.vector.extract.v4f16.nxv4f16(<vscale x 4 x half> poison, i64 0)
+  %insert_nxv2f32_nxv4f32 = call <vscale x 4 x float> @llvm.vector.insert.nxv4f32.nxv2f32(<vscale x 4 x float> poison, <vscale x 2 x float> poison, i64 0)
+  %extract_nxv4f32_nxv8f32 = call <vscale x 4 x float> @llvm.vector.extract.nxv4f32.nxv8f32(<vscale x 8 x float> poison, i64 0)
   ret void
 }
 declare <vscale x 4 x float> @llvm.vector.insert.nxv4f32.v4f32(<vscale x 4 x float>, <4 x float>, i64)
@@ -97,50 +97,50 @@ declare <vscale x 4 x float> @llvm.vector.extract.nxv4f32.nxv8f32(<vscale x 8 x
 
 define void @vector_insert_extract_idxzero_256b() #2 {
 ; CHECK-VSCALE-1-LABEL: 'vector_insert_extract_idxzero_256b'
-; CHECK-VSCALE-1-NEXT:  Cost Model: Found costs of 0 for: %insert_legal_fixed_into_scalable = call <vscale x 8 x i16> @llvm.vector.insert.nxv8i16.v16i16(<vscale x 8 x i16> undef, <16 x i16> undef, i64 0)
-; CHECK-VSCALE-1-NEXT:  Cost Model: Found costs of 0 for: %extract_legal_fixed_from_scalable = call <8 x float> @llvm.vector.extract.v8f32.nxv4f32(<vscale x 4 x float> undef, i64 0)
-; CHECK-VSCALE-1-NEXT:  Cost Model: Found costs of 1 for: %insert_nxv16i1_nxv2i1 = call <vscale x 16 x i1> @llvm.vector.insert.nxv16i1.nxv2i1(<vscale x 16 x i1> undef, <vscale x 2 x i1> undef, i64 0)
-; CHECK-VSCALE-1-NEXT:  Cost Model: Found costs of 1 for: %extract_nxv4i1_nxv16i1 = call <vscale x 4 x i1> @llvm.vector.extract.nxv4i1.nxv16i1(<vscale x 16 x i1> undef, i64 0)
-; CHECK-VSCALE-1-NEXT:  Cost Model: Found costs of RThru:48 CodeSize:32 Lat:48 SizeLat:48 for: %extract_v8i1_nxv8i1 = call <8 x i1> @llvm.vector.extract.v8i1.nxv8i1(<vscale x 8 x i1> undef, i64 0)
-; CHECK-VSCALE-1-NEXT:  Cost Model: Found costs of RThru:4 CodeSize:2 Lat:4 SizeLat:4 for: %insert_v2f32_nxv2f32 = call <vscale x 2 x float> @llvm.vector.insert.nxv2f32.v2f32(<vscale x 2 x float> undef, <2 x float> undef, i64 0)
-; CHECK-VSCALE-1-NEXT:  Cost Model: Found costs of RThru:12 CodeSize:6 Lat:12 SizeLat:12 for: %extract_v4f16_nxv4f16 = call <4 x half> @llvm.vector.extract.v4f16.nxv4f16(<vscale x 4 x half> undef, i64 0)
-; CHECK-VSCALE-1-NEXT:  Cost Model: Found costs of 1 for: %insert_nxv2f32_nxv4f32 = call <vscale x 4 x float> @llvm.vector.insert.nxv4f32.nxv2f32(<vscale x 4 x float> undef, <vscale x 2 x float> undef, i64 0)
-; CHECK-VSCALE-1-NEXT:  Cost Model: Found costs of 1 for: %extract_nxv4f32_nxv8f32 = call <vscale x 4 x float> @llvm.vector.extract.nxv4f32.nxv8f32(<vscale x 8 x float> undef, i64 0)
+; CHECK-VSCALE-1-NEXT:  Cost Model: Found costs of 0 for: %insert_legal_fixed_into_scalable = call <vscale x 8 x i16> @llvm.vector.insert.nxv8i16.v16i16(<vscale x 8 x i16> poison, <16 x i16> poison, i64 0)
+; CHECK-VSCALE-1-NEXT:  Cost Model: Found costs of 0 for: %extract_legal_fixed_from_scalable = call <8 x float> @llvm.vector.extract.v8f32.nxv4f32(<vscale x 4 x float> poison, i64 0)
+; CHECK-VSCALE-1-NEXT:  Cost Model: Found costs of 1 for: %insert_nxv16i1_nxv2i1 = call <vscale x 16 x i1> @llvm.vector.insert.nxv16i1.nxv2i1(<vscale x 16 x i1> poison, <vscale x 2 x i1> poison, i64 0)
+; CHECK-VSCALE-1-NEXT:  Cost Model: Found costs of 1 for: %extract_nxv4i1_nxv16i1 = call <vscale x 4 x i1> @llvm.vector.extract.nxv4i1.nxv16i1(<vscale x 16 x i1> poison, i64 0)
+; CHECK-VSCALE-1-NEXT:  Cost Model: Found costs of RThru:48 CodeSize:32 Lat:48 SizeLat:48 for: %extract_v8i1_nxv8i1 = call <8 x i1> @llvm.vector.extract.v8i1.nxv8i1(<vscale x 8 x i1> poison, i64 0)
+; CHECK-VSCALE-1-NEXT:  Cost Model: Found costs of RThru:4 CodeSize:2 Lat:4 SizeLat:4 for: %insert_v2f32_nxv2f32 = call <vscale x 2 x float> @llvm.vector.insert.nxv2f32.v2f32(<vscale x 2 x float> poison, <2 x float> poison, i64 0)
+; CHECK-VSCALE-1-NEXT:  Cost Model: Found costs of RThru:12 CodeSize:6 Lat:12 SizeLat:12 for: %extract_v4f16_nxv4f16 = call <4 x half> @llvm.vector.extract.v4f16.nxv4f16(<vscale x 4 x half> poison, i64 0)
+; CHECK-VSCALE-1-NEXT:  Cost Model: Found costs of 1 for: %insert_nxv2f32_nxv4f32 = call <vscale x 4 x float> @llvm.vector.insert.nxv4f32.nxv2f32(<vscale x 4 x float> poison, <vscale x 2 x float> poison, i64 0)
+; CHECK-VSCALE-1-NEXT:  Cost Model: Found costs of 1 for: %extract_nxv4f32_nxv8f32 = call <vscale x 4 x float> @llvm.vector.extract.nxv4f32.nxv8f32(<vscale x 8 x float> poison, i64 0)
 ; CHECK-VSCALE-1-NEXT:  Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: ret void
 ;
 ; CHECK-VSCALE-2-LABEL: 'vector_insert_extract_idxzero_256b'
-; CHECK-VSCALE-2-NEXT:  Cost Model: Found costs of 0 for: %insert_legal_fixed_into_scalable = call <vscale x 8 x i16> @llvm.vector.insert.nxv8i16.v16i16(<vscale x 8 x i16> undef, <16 x i16> undef, i64 0)
-; CHECK-VSCALE-2-NEXT:  Cost Model: Found costs of 0 for: %extract_legal_fixed_from_scalable = call <8 x float> @llvm.vector.extract.v8f32.nxv4f32(<vscale x 4 x float> undef, i64 0)
-; CHECK-VSCALE-2-NEXT:  Cost Model: Found costs of 1 for: %insert_nxv16i1_nxv2i1 = call <vscale x 16 x i1> @llvm.vector.insert.nxv16i1.nxv2i1(<vscale x 16 x i1> undef, <vscale x 2 x i1> undef, i64 0)
-; CHECK-VSCALE-2-NEXT:  Cost Model: Found costs of 1 for: %extract_nxv4i1_nxv16i1 = call <vscale x 4 x i1> @llvm.vector.extract.nxv4i1.nxv16i1(<vscale x 16 x i1> undef, i64 0)
-; CHECK-VSCALE-2-NEXT:  Cost Model: Found costs of RThru:48 CodeSize:32 Lat:48 SizeLat:48 for: %extract_v8i1_nxv8i1 = call <8 x i1> @llvm.vector.extract.v8i1.nxv8i1(<vscale x 8 x i1> undef, i64 0)
-; CHECK-VSCALE-2-NEXT:  Cost Model: Found costs of RThru:4 CodeSize:2 Lat:4 SizeLat:4 for: %insert_v2f32_nxv2f32 = call <vscale x 2 x float> @llvm.vector.insert.nxv2f32.v2f32(<vscale x 2 x float> undef, <2 x float> undef, i64 0)
-; CHECK-VSCALE-2-NEXT:  Cost Model: Found costs of RThru:12 CodeSize:6 Lat:12 SizeLat:12 for: %extract_v4f16_nxv4f16 = call <4 x half> @llvm.vector.extract.v4f16.nxv4f16(<vscale x 4 x half> undef, i64 0)
-; CHECK-VSCALE-2-NEXT:  Cost Model: Found costs of 1 for: %insert_nxv2f32_nxv4f32 = call <vscale x 4 x float> @llvm.vector.insert.nxv4f32.nxv2f32(<vscale x 4 x float> undef, <vscale x 2 x float> undef, i64 0)
-; CHECK-VSCALE-2-NEXT:  Cost Model: Found costs of 1 for: %extract_nxv4f32_nxv8f32 = call <vscale x 4 x float> @llvm.vector.extract.nxv4f32.nxv8f32(<vscale x 8 x float> undef, i64 0)
+; CHECK-VSCALE-2-NEXT:  Cost Model: Found costs of 0 for: %insert_legal_fixed_into_scalable = call <vscale x 8 x i16> @llvm.vector.insert.nxv8i16.v16i16(<vscale x 8 x i16> poison, <16 x i16> poison, i64 0)
+; CHECK-VSCALE-2-NEXT:  Cost Model: Found costs of 0 for: %extract_legal_fixed_from_scalable = call <8 x float> @llvm.vector.extract.v8f32.nxv4f32(<vscale x 4 x float> poison, i64 0)
+; CHECK-VSCALE-2-NEXT:  Cost Model: Found costs of 1 for: %insert_nxv16i1_nxv2i1 = call <vscale x 16 x i1> @ll...
[truncated]

[kmclaughlin-arm]

Changes to this test in #163387 cause CI failures due to the use of undef.

[david-arm]

LGTM!