[clang] [CIR][AMDGPU] Route printf in device code through the OpenCL runtime (PR #226435)

[Steffen Larsen via cfe-commits]

================
@@ -0,0 +1,65 @@
+// REQUIRES: amdgpu-registered-target
+// RUN: %clang_cc1 -triple=amdgpu9.0a-amd-amdhsa -x hip -std=c++11 \
+// RUN: -fcxx-exceptions -fexceptions \
+// RUN: -fclangir -fcuda-is-device -emit-llvm %s -o %t-cir.ll
+// RUN: FileCheck --check-prefix=LLVM --input-file=%t-cir.ll %s
+// RUN: %clang_cc1 -triple=amdgpu9.0a-amd-amdhsa -x hip -std=c++11 \
+// RUN: -fcxx-exceptions -fexceptions \
+// RUN: -fcuda-is-device -emit-llvm %s -o %t.ll
+// RUN: FileCheck --check-prefix=LLVM --input-file=%t.ll %s
----------------
steffenlarsen wrote:

I agree, though I've kept FileCheck on a new line. I think there is value in being able to quickly identify what the check-prefixes for a given test case are.

https://github.com/llvm/llvm-project/pull/226435