================
@@ -306,7 +306,7 @@
// RUN: not %clang --target=riscv32-unknown-elf -march=rv32ixabc_ -### %s \
// RUN: -fsyntax-only 2>&1 | FileCheck -check-prefix=RV32-XSEP %s
// RV32-XSEP: error: invalid arch name 'rv32ixabc_',
-// RV32-XSEP: extension name missing after separator '_'
+// RV32-XSEP: unsupported non-standard user-level extension 'xabc'
----------------
topperc wrote:
It's tested in llvm/unittests/TargetParser/RISCVISAInfoTest.cpp
```
TEST(ParseArchString, RejectsDoubleOrTrailingUnderscore) {
EXPECT_EQ(
toString(RISCVISAInfo::parseArchString("rv64i__m", true).takeError()),
"extension name missing after separator '_'");
for (StringRef Input :
{"rv32ezicsr__zifencei", "rv32i_", "rv32izicsr_", "rv64im_"}) {
EXPECT_EQ(toString(RISCVISAInfo::parseArchString(Input, true).takeError()),
"extension name missing after separator '_'");
}
}
```
https://github.com/llvm/llvm-project/pull/97506
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