[Clang][Driver] Valid -march value is not mandatory in AArch64 multilib
#151103
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…ilib If a user passed an invalid value to `-march`, an assertion failure happened in the AArch64 multilib logic. But an invalid `-march` value is an expected case that should be handled via error messages. This patch removes the requirement that the `-march` value must be valid.
llvmbot
added
clang
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@llvm/pr-subscribers-clang @llvm/pr-subscribers-clang-driver Author: Victor Campos (vhscampos) ChangesIf a user passed an invalid value to But an invalid This patch removes the requirement that the Full diff: https://github.com/llvm/llvm-project/pull/151103.diff 1 Files Affected:
diff --git a/clang/lib/Driver/ToolChain.cpp b/clang/lib/Driver/ToolChain.cpp
index 1d7dad0d7d12b..496c0dc1780e4 100644
--- a/clang/lib/Driver/ToolChain.cpp
+++ b/clang/lib/Driver/ToolChain.cpp
@@ -191,9 +191,10 @@ static void getAArch64MultilibFlags(const Driver &D,
for (const auto &ArchInfo : AArch64::ArchInfos)
if (FeatureSet.contains(ArchInfo->ArchFeature))
ArchName = ArchInfo->Name;
- assert(!ArchName.empty() && "at least one architecture should be found");
- MArch.insert(MArch.begin(), ("-march=" + ArchName).str());
- Result.push_back(llvm::join(MArch, "+"));
+ if (!ArchName.empty()) {
+ MArch.insert(MArch.begin(), ("-march=" + ArchName).str());
+ Result.push_back(llvm::join(MArch, "+"));
+ }
const Arg *BranchProtectionArg =
Args.getLastArgNoClaim(options::OPT_mbranch_protection_EQ);
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Added tests. Thank you for pointing that out |
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If a user passed an invalid value to
-march, an assertion failure happened in the AArch64 multilib logic.But an invalid
-marchvalue is an expected case that should be handled via error messages.This patch removes the requirement that the
-marchvalue must be valid.