[clang] [CIR][ABI] Add restrict, nonnull, and ReturnsNonNull attributes (PR #188281)

[Andy Kaylor via cfe-commits]

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@@ -31,7 +31,7 @@ A *a() {
 // LLVM: define {{.*}} ptr @_Z1av() {{.*}} personality ptr @__gxx_personality_v0 {
 // LLVM:   %[[RETVAL:.*]] = alloca ptr
 // LLVM:   %[[NEW_RESULT:.*]] = alloca ptr
-// LLVM:   %[[PTR:.*]] = call ptr @_Znwm(i64 8) #[[ATTR_BUILTIN_NEW:.*]]
+// LLVM:   %[[PTR:.*]] = call nonnull ptr @_Znwm(i64 8) #[[ATTR_BUILTIN_NEW:.*]]
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andykaylor wrote:

I like that you're checking this here, but if we're going to do that, we should also check the attributes on the OGCG call.

https://github.com/llvm/llvm-project/pull/188281