Change +zvfh specified in -mattr= to +zvfhmin

To make sure that vrgatherei16/vslidedown/vslideup can work with fp16
vector type for zvfhmin

Author: tclin914

llvm/test/CodeGen/RISCV/rvv/vrgatherei16.ll

@@ -1,7 +1,7 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
-; RUN: sed 's/iXLen/i32/g' %s | llc -mtriple=riscv32 -mattr=+v,+d,+zvfh \
+; RUN: sed 's/iXLen/i32/g' %s | llc -mtriple=riscv32 -mattr=+v,+d,+zvfhmin \
 ; RUN:   -verify-machineinstrs | FileCheck %s
-; RUN: sed 's/iXLen/i64/g' %s | llc -mtriple=riscv64 -mattr=+v,+d,+zvfh \
+; RUN: sed 's/iXLen/i64/g' %s | llc -mtriple=riscv64 -mattr=+v,+d,+zvfhmin \
 ; RUN:   -verify-machineinstrs | FileCheck %s
 
 declare <vscale x 1 x i8> @llvm.riscv.vrgatherei16.vv.nxv1i8(

llvm/test/CodeGen/RISCV/rvv/vslidedown.ll

@@ -1,7 +1,7 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
-; RUN: sed 's/iXLen/i32/g' %s | llc -mtriple=riscv32 -mattr=+v,+d,+zvfh \
+; RUN: sed 's/iXLen/i32/g' %s | llc -mtriple=riscv32 -mattr=+v,+d,+zvfhmin \
 ; RUN:   -verify-machineinstrs | FileCheck %s
-; RUN: sed 's/iXLen/i64/g' %s | llc -mtriple=riscv64 -mattr=+v,+d,+zvfh \
+; RUN: sed 's/iXLen/i64/g' %s | llc -mtriple=riscv64 -mattr=+v,+d,+zvfhmin \
 ; RUN:   -verify-machineinstrs | FileCheck %s
 
 declare <vscale x 1 x i8> @llvm.riscv.vslidedown.nxv1i8(

llvm/test/CodeGen/RISCV/rvv/vslideup.ll

@@ -1,7 +1,7 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
-; RUN: sed 's/iXLen/i32/g' %s | llc -mtriple=riscv32 -mattr=+v,+d,+zvfh \
+; RUN: sed 's/iXLen/i32/g' %s | llc -mtriple=riscv32 -mattr=+v,+d,+zvfhmin \
 ; RUN:   -verify-machineinstrs | FileCheck %s
-; RUN: sed 's/iXLen/i64/g' %s | llc -mtriple=riscv64 -mattr=+v,+d,+zvfh \
+; RUN: sed 's/iXLen/i64/g' %s | llc -mtriple=riscv64 -mattr=+v,+d,+zvfhmin \
 ; RUN:   -verify-machineinstrs | FileCheck %s
 
 declare <vscale x 1 x i8> @llvm.riscv.vslideup.nxv1i8(