================
@@ -0,0 +1,40 @@
+# RUN: llvm-mc -triple=riscv32 -show-encoding --mattr=+v
--mattr=+experimental-zvfqwdota8f %s \
+# RUN: | FileCheck %s --check-prefixes=CHECK-ENCODING,CHECK-INST
+# RUN: not llvm-mc -triple=riscv32 -show-encoding %s 2>&1 \
+# RUN: | FileCheck %s --check-prefix=CHECK-ERROR
+# RUN: llvm-mc -triple=riscv32 -filetype=obj --mattr=+v
--mattr=+experimental-zvfqwdota8f %s \
+# RUN: | llvm-objdump -d --mattr=+v --mattr=+experimental-zvfqwdota8f
--no-print-imm-hex - \
+# RUN: | FileCheck %s --check-prefix=CHECK-INST
+# RUN: llvm-mc -triple=riscv32 -filetype=obj --mattr=+v
--mattr=+experimental-zvfqwdota8f %s \
+# RUN: | llvm-objdump -d - | FileCheck %s --check-prefix=CHECK-UNKNOWN
+
+vsetvli a2, a0, e8alt, m1, ta, ma
+# CHECK-INST: vsetvli a2, a0, e8alt, m1, ta, ma
+# CHECK-ENCODING: [0x57,0x76,0x05,0x1c]
+# CHECK-ERROR: instruction requires the following: 'V' (Vector Extension for
Application Processors), 'Zve32x' (Vector Extensions for Embedded
Processors){{$}}
+# CHECK-UNKNOWN: 1c057657 <unknown>
----------------
wangpc-pp wrote:
We'd better not to check `UNKNOWN` just like others.
https://github.com/llvm/llvm-project/pull/195069
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