[llvm] [clang] [RISCV][MC] MC layer support for the experimental zalasr extension (PR #69685)

[Craig Topper via cfe-commits]

================
@@ -20506,6 +20506,15 @@ unsigned RISCVTargetLowering::getCustomCtpopCost(EVT 
VT,
   return isCtpopFast(VT) ? 0 : 1;
 }
 
+bool RISCVTargetLowering::shouldInsertFencesForAtomic(
+    const Instruction *I) const {
+  if (Subtarget.hasStdExtZalasr()) {
+    return false;
+  } else {
----------------
topperc wrote:

No else after return

https://github.com/llvm/llvm-project/pull/69685
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