[clang] [llvm] [RISCV] Add `zihintpause` LLVM/Clang intrinsic (PR #139519)

[Pengcheng Wang via cfe-commits]

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@@ -0,0 +1,14 @@
+// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
+// RUN: %clang_cc1 -triple riscv32 -target-feature +zihintpause -emit-llvm %s -o - \
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wangpc-pp wrote:

riscv64 RUN as well.

https://github.com/llvm/llvm-project/pull/139519