[clang] [CIR] Add math and builtin intrinsics support (PR #175233)

[Hendrik Hübner via cfe-commits]

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+// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fclangir -emit-cir %s -o %t.cir
+// RUN: FileCheck --input-file=%t.cir %s
+// RUN: %clang_cc1 -triple aarch64-apple-darwin-macho -fclangir -emit-cir %s -o %t-aarch64.cir
+// RUN: FileCheck --input-file=%t-aarch64.cir %s --check-prefix=AARCH64
+// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fclangir -emit-llvm -o %t.ll %s
+// RUN: FileCheck --input-file=%t.ll %s --check-prefix=LLVM
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HendrikHuebner wrote:

These are all missing OGCG checks

https://github.com/llvm/llvm-project/pull/175233