[clang] [CIR] Add non-floating-point builtin intrinsics (PR #178093)

[Andy Kaylor via cfe-commits]

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@@ -0,0 +1,72 @@
+// RUN: %clang_cc1 -O0 -triple x86_64-unknown-linux-gnu -fclangir -emit-cir %s -o - | FileCheck %s --check-prefix=CIR-O0
+// RUN: %clang_cc1 -O2 -triple x86_64-unknown-linux-gnu -fclangir -emit-cir %s -o - | FileCheck %s --check-prefix=CIR-O2
+// RUN: %clang_cc1 -O0 -triple x86_64-unknown-linux-gnu -fclangir -emit-llvm %s -o - | FileCheck %s --check-prefix=LLVM
+// RUN: %clang_cc1 -O0 -triple x86_64-unknown-linux-gnu -emit-llvm %s -o - | FileCheck %s --check-prefix=OGCG
----------------
andykaylor wrote:

```suggestion
// RUN: %clang_cc1 -O2 -disable-llvm-passes -triple x86_64-unknown-linux-gnu -fclangir -emit-llvm %s -o - | FileCheck %s --check-prefix=LLVM
// RUN: %clang_cc1 -O2 -disable-llvm-passes -triple x86_64-unknown-linux-gnu -emit-llvm %s -o - | FileCheck %s --check-prefix=OGCG
```
This will generate code according to the O2 rules without running any LLVM optimization passes.

https://github.com/llvm/llvm-project/pull/178093