[SLP][REVEC] Remove assert because canConvertToMinOrMaxIntrinsic can

support vector type.

Author: HanKuanChen

llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp

@@ -10777,7 +10777,6 @@ BoUpSLP::getEntryCost(const TreeEntry *E, ArrayRef<Value *> VectorizedVals,
     // If the selects are the only uses of the compares, they will be
     // dead and we can adjust the cost by removing their cost.
     if (VI && SelectOnly) {
-      assert(!Ty->isVectorTy() && "Expected only for scalar type.");
       auto *CI = cast<CmpInst>(VI->getOperand(0));
       IntrinsicCost -= TTI->getCmpSelInstrCost(
           CI->getOpcode(), Ty, Builder.getInt1Ty(), CI->getPredicate(),

llvm/test/Transforms/SLPVectorizer/RISCV/revec.ll

@@ -96,6 +96,26 @@ entry:
 }
 
 define void @test3(float %0) {
+; CHECK-LABEL: @test3(
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    br label [[FOR_BODY_LR_PH:%.*]]
+; CHECK:       for.body.lr.ph:
+; CHECK-NEXT:    [[TMP1:%.*]] = call <4 x float> @llvm.vector.insert.v4f32.v2f32(<4 x float> poison, <2 x float> zeroinitializer, i64 0)
+; CHECK-NEXT:    [[TMP2:%.*]] = call <4 x float> @llvm.vector.insert.v4f32.v2f32(<4 x float> [[TMP1]], <2 x float> zeroinitializer, i64 2)
+; CHECK-NEXT:    br i1 false, label [[FOR_COND_CLEANUP:%.*]], label [[FOR_BODY:%.*]]
+; CHECK:       for.cond.cleanup:
+; CHECK-NEXT:    [[TMP3:%.*]] = phi <4 x float> [ [[TMP2]], [[FOR_BODY_LR_PH]] ], [ [[TMP10:%.*]], [[FOR_BODY]] ]
+; CHECK-NEXT:    ret void
+; CHECK:       for.body:
+; CHECK-NEXT:    [[TMP4:%.*]] = load <2 x float>, ptr null, align 4
+; CHECK-NEXT:    [[TMP5:%.*]] = fcmp olt <2 x float> zeroinitializer, [[TMP4]]
+; CHECK-NEXT:    [[TMP6:%.*]] = call <4 x i1> @llvm.vector.insert.v4i1.v2i1(<4 x i1> poison, <2 x i1> <i1 true, i1 true>, i64 0)
+; CHECK-NEXT:    [[TMP7:%.*]] = call <4 x i1> @llvm.vector.insert.v4i1.v2i1(<4 x i1> [[TMP6]], <2 x i1> [[TMP5]], i64 2)
+; CHECK-NEXT:    [[TMP8:%.*]] = call <4 x float> @llvm.vector.insert.v4f32.v2f32(<4 x float> poison, <2 x float> [[TMP4]], i64 0)
+; CHECK-NEXT:    [[TMP9:%.*]] = shufflevector <4 x float> [[TMP8]], <4 x float> poison, <4 x i32> <i32 0, i32 1, i32 0, i32 1>
+; CHECK-NEXT:    [[TMP10]] = select <4 x i1> [[TMP7]], <4 x float> [[TMP9]], <4 x float> [[TMP2]]
+; CHECK-NEXT:    br label [[FOR_COND_CLEANUP]]
+;
 entry:
   br label %for.body.lr.ph