[libclc] [llvm] [libclc] Enable LLVM_RUNTIME_TARGETS in build system (PR #189892)

[Joseph Huber via cfe-commits]

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@@ -147,7 +153,7 @@
     "flang": "check-flang",
     "flang-rt": "check-flang-rt",
     "libc": "check-libc",
-    "libclc": "check-libclc",
+    "libclc": "check-libclc-amdgcn-amd-amdhsa-llvm",
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jhuber6 wrote:

I think we have a `libc` test bot somehwere. I'm curious if that has some existing way to do this, since it's an embedded project. maybe there's some way to loop over all the runtimes? I don't know the CI infrastructure very well but I'm a little hesitant to hard-code this.

https://github.com/llvm/llvm-project/pull/189892