[clang] [clang][SPIRV] Ignore -mcmodel (PR #86039)

[via cfe-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: Arthur Eubanks (aeubanks)

<details>
<summary>Changes</summary>

The code model doesn't affect the sub-compilation, so don't check it.

Followup to #<!-- -->70740.

---
Full diff: https://github.com/llvm/llvm-project/pull/86039.diff


2 Files Affected:

- (modified) clang/lib/Driver/ToolChains/Clang.cpp (+1-1) 
- (modified) clang/test/Driver/unsupported-option-gpu.c (+1) 


``````````diff
diff --git a/clang/lib/Driver/ToolChains/Clang.cpp b/clang/lib/Driver/ToolChains/Clang.cpp
index 055884d275ce1b..035bfa35299756 100644
--- a/clang/lib/Driver/ToolChains/Clang.cpp
+++ b/clang/lib/Driver/ToolChains/Clang.cpp
@@ -5804,7 +5804,7 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
     } else if (Triple.getArch() == llvm::Triple::x86_64) {
       Ok = llvm::is_contained({"small", "kernel", "medium", "large", "tiny"},
                               CM);
-    } else if (Triple.isNVPTX() || Triple.isAMDGPU()) {
+    } else if (Triple.isNVPTX() || Triple.isAMDGPU() || Triple.isSPIRV()) {
       // NVPTX/AMDGPU does not care about the code model and will accept
       // whatever works for the host.
       Ok = true;
diff --git a/clang/test/Driver/unsupported-option-gpu.c b/clang/test/Driver/unsupported-option-gpu.c
index f23cb71ebfb08e..5618b2cba72e16 100644
--- a/clang/test/Driver/unsupported-option-gpu.c
+++ b/clang/test/Driver/unsupported-option-gpu.c
@@ -2,4 +2,5 @@
 // DEFINE: %{check} = %clang -### --target=x86_64-linux-gnu -c -mcmodel=medium
 
 // RUN: %{check} -x cuda %s --cuda-path=%S/Inputs/CUDA/usr/local/cuda --offload-arch=sm_60 --no-cuda-version-check -fbasic-block-sections=all
+// RUN: %{check} -x hip %s --offload=spirv64 -nogpulib -nogpuinc
 // RUN: %{check} -x hip %s --rocm-path=%S/Inputs/rocm -nogpulib -nogpuinc

``````````

</details>


https://github.com/llvm/llvm-project/pull/86039