[llvm] [RISCV][TTI] Add instruction cost for vp.select. (PR #109381)

via llvm-commits llvm-commits at lists.llvm.org
Thu Sep 19 23:30:46 PDT 2024


llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-analysis

Author: Elvis Wang (ElvisWang123)

<details>
<summary>Changes</summary>

This patch make instruction cost for vp.select  the same as its non-vp counterpart.

---

Patch is 51.08 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/109381.diff


2 Files Affected:

- (modified) llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp (+7) 
- (modified) llvm/test/Analysis/CostModel/RISCV/rvv-select.ll (+226-101) 


``````````diff
diff --git a/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp b/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp
index c850b91a410927..4044ca3cad00b9 100644
--- a/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp
+++ b/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp
@@ -1065,6 +1065,13 @@ RISCVTTIImpl::getIntrinsicInstrCost(const IntrinsicCostAttributes &ICA,
         *FOp, ICA.getArgTypes()[0], UI->getPointerAlignment(),
         UI->getOperand(1)->getType()->getPointerAddressSpace(), CostKind);
   }
+  case Intrinsic::vp_select: {
+    Intrinsic::ID IID = ICA.getID();
+    std::optional<unsigned> FOp = VPIntrinsic::getFunctionalOpcodeForVP(IID);
+    assert(FOp.has_value());
+    return getCmpSelInstrCost(*FOp, ICA.getReturnType(), ICA.getArgTypes()[0],
+                              CmpInst::BAD_ICMP_PREDICATE, CostKind);
+  }
   }
 
   if (ST->hasVInstructions() && RetTy->isVectorTy()) {
diff --git a/llvm/test/Analysis/CostModel/RISCV/rvv-select.ll b/llvm/test/Analysis/CostModel/RISCV/rvv-select.ll
index b80096b057a668..c4ae6ed7b985f2 100644
--- a/llvm/test/Analysis/CostModel/RISCV/rvv-select.ll
+++ b/llvm/test/Analysis/CostModel/RISCV/rvv-select.ll
@@ -1,5 +1,6 @@
 ; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py
-; RUN: opt -passes="print<cost-model>" 2>&1 -disable-output -mtriple=riscv64 -mattr=+v,+f,+d,+zfh,+zvfh -riscv-v-vector-bits-min=128 -riscv-v-fixed-length-vector-lmul-max=1 < %s | FileCheck %s
+; RUN: opt -passes="print<cost-model>" 2>&1 -disable-output -mtriple=riscv64 -mattr=+v,+f,+d,+zfh,+zvfh -riscv-v-vector-bits-min=128 -riscv-v-fixed-length-vector-lmul-max=1 < %s | FileCheck --check-prefixes=CHECK %s
+; RUN: opt -passes="print<cost-model>" 2>&1 -disable-output -mtriple=riscv64 -mattr=+v,+f,+d,+zfh,+zvfh -riscv-v-vector-bits-min=128 -riscv-v-fixed-length-vector-lmul-max=1 --type-based-intrinsic-cost=true < %s | FileCheck --check-prefixes=CHECK %s
 ; Check that we don't crash querying costs when vectors are not enabled.
 ; RUN: opt -passes="print<cost-model>" 2>&1 -disable-output -mtriple=riscv64
 
@@ -30,106 +31,166 @@ define void @select() {
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %23 = select <vscale x 8 x i1> undef, <vscale x 8 x i1> undef, <vscale x 8 x i1> undef
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %24 = select <vscale x 16 x i1> undef, <vscale x 16 x i1> undef, <vscale x 16 x i1> undef
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %25 = select <vscale x 32 x i1> undef, <vscale x 32 x i1> undef, <vscale x 32 x i1> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %26 = select i1 undef, i8 undef, i8 undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %27 = select i1 undef, <1 x i8> undef, <1 x i8> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %28 = select i1 undef, <2 x i8> undef, <2 x i8> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %29 = select i1 undef, <4 x i8> undef, <4 x i8> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %30 = select i1 undef, <8 x i8> undef, <8 x i8> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %31 = select i1 undef, <16 x i8> undef, <16 x i8> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %32 = select i1 undef, <32 x i8> undef, <32 x i8> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %33 = select <1 x i1> undef, <1 x i8> undef, <1 x i8> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %34 = select <2 x i1> undef, <2 x i8> undef, <2 x i8> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %35 = select <4 x i1> undef, <4 x i8> undef, <4 x i8> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %36 = select <8 x i1> undef, <8 x i8> undef, <8 x i8> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %37 = select <16 x i1> undef, <16 x i8> undef, <16 x i8> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %38 = select <32 x i1> undef, <32 x i8> undef, <32 x i8> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %39 = select i1 undef, <vscale x 1 x i8> undef, <vscale x 1 x i8> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %40 = select i1 undef, <vscale x 2 x i8> undef, <vscale x 2 x i8> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %41 = select i1 undef, <vscale x 4 x i8> undef, <vscale x 4 x i8> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %42 = select i1 undef, <vscale x 8 x i8> undef, <vscale x 8 x i8> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %43 = select i1 undef, <vscale x 16 x i8> undef, <vscale x 16 x i8> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %44 = select i1 undef, <vscale x 32 x i8> undef, <vscale x 32 x i8> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %45 = select <vscale x 1 x i1> undef, <vscale x 1 x i8> undef, <vscale x 1 x i8> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %46 = select <vscale x 2 x i1> undef, <vscale x 2 x i8> undef, <vscale x 2 x i8> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %47 = select <vscale x 4 x i1> undef, <vscale x 4 x i8> undef, <vscale x 4 x i8> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %48 = select <vscale x 8 x i1> undef, <vscale x 8 x i8> undef, <vscale x 8 x i8> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %49 = select <vscale x 16 x i1> undef, <vscale x 16 x i8> undef, <vscale x 16 x i8> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %50 = select <vscale x 32 x i1> undef, <vscale x 32 x i8> undef, <vscale x 32 x i8> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %51 = select i1 undef, i16 undef, i16 undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %52 = select i1 undef, <1 x i16> undef, <1 x i16> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %53 = select i1 undef, <2 x i16> undef, <2 x i16> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %54 = select i1 undef, <4 x i16> undef, <4 x i16> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %55 = select i1 undef, <8 x i16> undef, <8 x i16> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %56 = select i1 undef, <16 x i16> undef, <16 x i16> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %57 = select i1 undef, <32 x i16> undef, <32 x i16> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %58 = select <1 x i1> undef, <1 x i16> undef, <1 x i16> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %59 = select <2 x i1> undef, <2 x i16> undef, <2 x i16> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %60 = select <4 x i1> undef, <4 x i16> undef, <4 x i16> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %61 = select <8 x i1> undef, <8 x i16> undef, <8 x i16> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %62 = select <16 x i1> undef, <16 x i16> undef, <16 x i16> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %63 = select <32 x i1> undef, <32 x i16> undef, <32 x i16> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %64 = select i1 undef, <vscale x 1 x i16> undef, <vscale x 1 x i16> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %65 = select i1 undef, <vscale x 2 x i16> undef, <vscale x 2 x i16> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %66 = select i1 undef, <vscale x 4 x i16> undef, <vscale x 4 x i16> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %67 = select i1 undef, <vscale x 8 x i16> undef, <vscale x 8 x i16> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %68 = select i1 undef, <vscale x 16 x i16> undef, <vscale x 16 x i16> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %69 = select i1 undef, <vscale x 32 x i16> undef, <vscale x 32 x i16> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %70 = select <vscale x 1 x i1> undef, <vscale x 1 x i16> undef, <vscale x 1 x i16> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %71 = select <vscale x 2 x i1> undef, <vscale x 2 x i16> undef, <vscale x 2 x i16> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %72 = select <vscale x 4 x i1> undef, <vscale x 4 x i16> undef, <vscale x 4 x i16> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %73 = select <vscale x 8 x i1> undef, <vscale x 8 x i16> undef, <vscale x 8 x i16> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %74 = select <vscale x 16 x i1> undef, <vscale x 16 x i16> undef, <vscale x 16 x i16> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %75 = select <vscale x 32 x i1> undef, <vscale x 32 x i16> undef, <vscale x 32 x i16> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %76 = select i1 undef, i32 undef, i32 undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %77 = select i1 undef, <1 x i32> undef, <1 x i32> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %78 = select i1 undef, <2 x i32> undef, <2 x i32> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %79 = select i1 undef, <4 x i32> undef, <4 x i32> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %80 = select i1 undef, <8 x i32> undef, <8 x i32> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %81 = select i1 undef, <16 x i32> undef, <16 x i32> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %82 = select i1 undef, <32 x i32> undef, <32 x i32> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %83 = select <1 x i1> undef, <1 x i32> undef, <1 x i32> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %84 = select <2 x i1> undef, <2 x i32> undef, <2 x i32> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %85 = select <4 x i1> undef, <4 x i32> undef, <4 x i32> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %86 = select <8 x i1> undef, <8 x i32> undef, <8 x i32> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %87 = select <16 x i1> undef, <16 x i32> undef, <16 x i32> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %88 = select <32 x i1> undef, <32 x i32> undef, <32 x i32> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %89 = select i1 undef, <vscale x 1 x i32> undef, <vscale x 1 x i32> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %90 = select i1 undef, <vscale x 2 x i32> undef, <vscale x 2 x i32> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %91 = select i1 undef, <vscale x 4 x i32> undef, <vscale x 4 x i32> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %92 = select i1 undef, <vscale x 8 x i32> undef, <vscale x 8 x i32> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %93 = select i1 undef, <vscale x 16 x i32> undef, <vscale x 16 x i32> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 48 for instruction: %94 = select i1 undef, <vscale x 32 x i32> undef, <vscale x 32 x i32> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %95 = select <vscale x 1 x i1> undef, <vscale x 1 x i32> undef, <vscale x 1 x i32> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %96 = select <vscale x 2 x i1> undef, <vscale x 2 x i32> undef, <vscale x 2 x i32> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %97 = select <vscale x 4 x i1> undef, <vscale x 4 x i32> undef, <vscale x 4 x i32> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %98 = select <vscale x 8 x i1> undef, <vscale x 8 x i32> undef, <vscale x 8 x i32> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %99 = select <vscale x 16 x i1> undef, <vscale x 16 x i32> undef, <vscale x 16 x i32> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %100 = select <vscale x 32 x i1> undef, <vscale x 32 x i32> undef, <vscale x 32 x i32> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %101 = select i1 undef, i64 undef, i64 undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %102 = select i1 undef, <1 x i64> undef, <1 x i64> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %103 = select i1 undef, <2 x i64> undef, <2 x i64> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %104 = select i1 undef, <4 x i64> undef, <4 x i64> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %105 = select i1 undef, <8 x i64> undef, <8 x i64> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %106 = select i1 undef, <16 x i64> undef, <16 x i64> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 48 for instruction: %107 = select i1 undef, <32 x i64> undef, <32 x i64> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %108 = select <1 x i1> undef, <1 x i64> undef, <1 x i64> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %109 = select <2 x i1> undef, <2 x i64> undef, <2 x i64> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %110 = select <4 x i1> undef, <4 x i64> undef, <4 x i64> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %111 = select <8 x i1> undef, <8 x i64> undef, <8 x i64> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %112 = select <16 x i1> undef, <16 x i64> undef, <16 x i64> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %113 = select <32 x i1> undef, <32 x i64> undef, <32 x i64> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %114 = select i1 undef, <vscale x 1 x i64> undef, <vscale x 1 x i64> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %115 = select i1 undef, <vscale x 2 x i64> undef, <vscale x 2 x i64> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %116 = select i1 undef, <vscale x 4 x i64> undef, <vscale x 4 x i64> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %117 = select i1 undef, <vscale x 8 x i64> undef, <vscale x 8 x i64> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 48 for instruction: %118 = select i1 undef, <vscale x 16 x i64> undef, <vscale x 16 x i64> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 96 for instruction: %119 = select i1 undef, <vscale x 32 x i64> undef, <vscale x 32 x i64> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %120 = select <vscale x 1 x i1> undef, <vscale x 1 x i64> undef, <vscale x 1 x i64> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %121 = select <vscale x 2 x i1> undef, <vscale x 2 x i64> undef, <vscale x 2 x i64> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %122 = select <vscale x 4 x i1> undef, <vscale x 4 x i64> undef, <vscale x 4 x i64> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %123 = select <vscale x 8 x i1> undef, <vscale x 8 x i64> undef, <vscale x 8 x i64> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %124 = select <vscale x 16 x i1> undef, <vscale x 16 x i64> undef, <vscale x 16 x i64> undef
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 32 for instruction: %125 = select <vscale x 32 x i1> undef, <vscale x 32 x i64> undef, <vscale x 32 x i64> undef
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %26 = call <1 x i1> @llvm.vp.select.v1i1(<1 x i1> undef, <1 x i1> undef, <1 x i1> undef, i32 undef)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %27 = call <2 x i1> @llvm.vp.select.v2i1(<2 x i1> undef, <2 x i1> undef, <2 x i1> undef, i32 undef)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %28 = call <4 x i1> @llvm.vp.select.v4i1(<4 x i1> undef, <4 x i1> undef, <4 x i1> undef, i32 undef)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %29 = call <8 x i1> @llvm.vp.select.v8i1(<8 x i1> undef, <8 x i1> undef, <8 x i1> undef, i32 undef)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %30 = call <16 x i1> @llvm.vp.select.v16i1(<16 x i1> undef, <16 x i1> undef, <16 x i1> undef, i32 undef)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %31 = call <32 x i1> @llvm.vp.select.v32i1(<32 x i1> undef, <32 x i1> undef, <32 x i1> undef, i32 undef)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %32 = call <vscale x 1 x i1> @llvm.vp.select.nxv1i1(<vscale x 1 x i1> undef, <vscale x 1 x i1> undef, <vscale x 1 x i1> undef, i32 undef)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %33 = call <vscale x 2 x i1> @llvm.vp.select.nxv2i1(<vscale x 2 x i1> undef, <vscale x 2 x i1> undef, <vscale x 2 x i1> undef, i32 undef)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %34 = call <vscale x 4 x i1> @llvm.vp.select.nxv4i1(<vscale x 4 x i1> undef, <vscale x 4 x i1> undef, <vscale x 4 x i1> undef, i32 undef)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %35 = call <vscale x 8 x i1> @llvm.vp.select.nxv8i1(<vscale x 8 x i1> undef, <vscale x 8 x i1> undef, <vscale x 8 x i1> undef, i32 undef)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %36 = call <vscale x 16 x i1> @llvm.vp.select.nxv16i1(<vscale x 16 x i1> undef, <vscale x 16 x i1> undef, <vscale x 16 x i1> undef, i32 undef)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %37 = call <vscale x 32 x i1> @llvm.vp.select.nxv32i1(<vscale x 32 x i1> undef, <vscale x 32 x i1> undef, <vscale x 32 x i1> undef, i32 undef)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %38 = select i1 undef, i8 undef, i8 undef
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %39 = select i1 undef, <1 x i8> undef, <1 x i8> undef
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %40 = select i1 undef, <2 x i8> undef, <2 x i8> undef
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %41 = select i1 undef, <4 x i8> undef, <4 x i8> undef
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %42 = select i1 undef, <8 x i8> undef, <8 x i8> undef
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %43 = select i1 undef, <16 x i8> undef, <16 x i8> undef
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %44 = select i1 undef, <32 x i8> undef, <32 x i8> undef
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %45 = select <1 x i1> undef, <1 x i8> undef, <1 x i8> undef
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %46 = select <2 x i1> u...
[truncated]

``````````

</details>


https://github.com/llvm/llvm-project/pull/109381


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