[libc-commits] [libc] [libc] Initial support for parsing SPIR-V for GPU libc (PR #128570)

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llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-libc

Author: Joseph Huber (jhuber6)

<details>
<summary>Changes</summary>

Summary:
Some day we'd like to support this, add some initial support for parsing
the triple so it will at least attempt to build.


---
Full diff: https://github.com/llvm/llvm-project/pull/128570.diff


1 Files Affected:

- (modified) libc/cmake/modules/LLVMLibCArchitectures.cmake (+4) 


``````````diff
diff --git a/libc/cmake/modules/LLVMLibCArchitectures.cmake b/libc/cmake/modules/LLVMLibCArchitectures.cmake
index fbb1091ddabab..b94534bb00980 100644
--- a/libc/cmake/modules/LLVMLibCArchitectures.cmake
+++ b/libc/cmake/modules/LLVMLibCArchitectures.cmake
@@ -53,6 +53,8 @@ function(get_arch_and_system_from_triple triple arch_var sys_var)
     set(target_arch "amdgpu")
   elseif(target_arch MATCHES "^nvptx64")
     set(target_arch "nvptx")
+  elseif(target_arch MATCHES "^spirv64")
+    set(target_arch "spirv64")
   else()
     return()
   endif()
@@ -162,6 +164,8 @@ elseif(LIBC_TARGET_ARCHITECTURE STREQUAL "amdgpu")
   set(LIBC_TARGET_ARCHITECTURE_IS_AMDGPU TRUE)
 elseif(LIBC_TARGET_ARCHITECTURE STREQUAL "nvptx")
   set(LIBC_TARGET_ARCHITECTURE_IS_NVPTX TRUE)
+elseif(LIBC_TARGET_ARCHITECTURE STREQUAL "spirv64")
+  set(LIBC_TARGET_ARCHITECTURE_IS_SPIRV TRUE)
 else()
   message(FATAL_ERROR
           "Unsupported libc target architecture ${LIBC_TARGET_ARCHITECTURE}")

``````````

</details>


https://github.com/llvm/llvm-project/pull/128570