[RISCV] Add coverage of build vectors with rv32 + v + bitmanip

rv32+v allows cases with XLEN < ELEN, and since we're about to add
a bitmanip specific lowering, it's good to have coverage of this
corner case.

Author: preames

llvm/test/CodeGen/RISCV/rvv/fixed-vectors-fp-buildvec.ll

@@ -1,6 +1,7 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
 
-; RUN: llc -mtriple=riscv32 -target-abi=ilp32d -mattr=+v,+zfh,+zvfh,+f,+d -verify-machineinstrs < %s | FileCheck %s --check-prefixes=CHECK,RV32
+; RUN: llc -mtriple=riscv32 -target-abi=ilp32d -mattr=+v,+zfh,+zvfh,+f,+d -verify-machineinstrs < %s | FileCheck %s --check-prefixes=CHECK,RV32,RV32V
+; RUN: llc -mtriple=riscv32 -target-abi=ilp32d -mattr=+v,+zfh,+zvfh,+zba,+zbb -verify-machineinstrs < %s | FileCheck %s --check-prefixes=CHECK,RV32,RV32VB
 ; RUN: llc -mtriple=riscv64 -target-abi=lp64d -mattr=+v,+zfh,+zvfh,+f,+d -verify-machineinstrs < %s | FileCheck %s --check-prefixes=CHECK,RV64,RV64V
 ; RUN: llc -mtriple=riscv64 -target-abi=lp64d -mattr=+v,+zfh,+zvfh,+rva22u64 -verify-machineinstrs < %s | FileCheck %s --check-prefixes=CHECK,RV64,RVA22U64
 
@@ -1501,3 +1502,6 @@ define <8 x double> @buildvec_v8f64_zvl512(double %e0, double %e1, double %e2, d
   %v7 = insertelement <8 x double> %v6, double %e7, i64 7
   ret <8 x double> %v7
 }
+;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
+; RV32V: {{.*}}
+; RV32VB: {{.*}}

llvm/test/CodeGen/RISCV/rvv/fixed-vectors-int-buildvec.ll

@@ -1,5 +1,6 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
-; RUN: llc -mtriple=riscv32 -mattr=+v -verify-machineinstrs < %s | FileCheck %s --check-prefixes=CHECK,RV32
+; RUN: llc -mtriple=riscv32 -mattr=+v -verify-machineinstrs < %s | FileCheck %s --check-prefixes=CHECK,RV32,RV32-ONLY
+; RUN: llc -mtriple=riscv32 -mattr=+v,+zba,+zbb -verify-machineinstrs < %s | FileCheck %s --check-prefixes=CHECK,RV32,RV32VB
 ; RUN: llc -mtriple=riscv64 -mattr=+v -verify-machineinstrs < %s | FileCheck %s --check-prefixes=CHECK,RV64,RV64V,RV64V-ONLY
 ; RUN: llc -mtriple=riscv64 -mattr=+v,+rva22u64 -verify-machineinstrs < %s | FileCheck %s --check-prefixes=CHECK,RV64,RV64V,RVA22U64
 ; RUN: llc -mtriple=riscv64 -mattr=+zve32x,+zvl128b -verify-machineinstrs < %s | FileCheck %s --check-prefixes=CHECK,RV64,RV64ZVE32
@@ -2171,3 +2172,6 @@ define <16 x i8> @buildvec_v16i8_loads_undef_scattered(ptr %p) {
   %v16 = insertelement <16 x i8> %v15, i8 %ld16, i32 15
   ret <16 x i8> %v16
 }
+;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
+; RV32-ONLY: {{.*}}
+; RV32VB: {{.*}}