[llvm] [clang] [RISCV] CodeGen of RVE and ilp32e/lp64e ABIs (PR #76777)

[Craig Topper via cfe-commits]

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@@ -68,6 +68,11 @@ ABI computeTargetABI(const Triple &TT, const FeatureBitset &FeatureBits,
     TargetABI = ABI_Unknown;
   }
 
+  if ((TargetABI == RISCVABI::ABI::ABI_ILP32E ||
+       (TargetABI == ABI_Unknown && IsRVE && !IsRV64)) &&
+      FeatureBits[RISCV::FeatureStdExtD])
+    report_fatal_error("ILP32E must not be used with the D ISA extension");
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topperc wrote:

"must not" -> "cannot"

https://github.com/llvm/llvm-project/pull/76777