[llvm] [MC] Unhide the target-abi option. (PR #123135)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-mc

Author: Craig Topper (topperc)

<details>
<summary>Changes</summary>

This option is very important for RISC-V as it controls calling convention and a field in the ELF header. It is used in a large number of RISC-V lit tests.

Expose the option to -help.

---
Full diff: https://github.com/llvm/llvm-project/pull/123135.diff


1 Files Affected:

- (modified) llvm/lib/MC/MCTargetOptionsCommandFlags.cpp (+1-1) 


``````````diff
diff --git a/llvm/lib/MC/MCTargetOptionsCommandFlags.cpp b/llvm/lib/MC/MCTargetOptionsCommandFlags.cpp
index abaf0f0246183e..2adc29172f9ddf 100644
--- a/llvm/lib/MC/MCTargetOptionsCommandFlags.cpp
+++ b/llvm/lib/MC/MCTargetOptionsCommandFlags.cpp
@@ -156,7 +156,7 @@ llvm::mc::RegisterMCTargetOptionsFlags::RegisterMCTargetOptionsFlags() {
   MCBINDOPT(X86Sse2Avx);
 
   static cl::opt<std::string> ABIName(
-      "target-abi", cl::Hidden,
+      "target-abi",
       cl::desc("The name of the ABI to be targeted from the backend."),
       cl::init(""));
   MCBINDOPT(ABIName);

``````````

</details>


https://github.com/llvm/llvm-project/pull/123135