llvmbot wrote:

<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: None (yonghong-song)

<details>
<summary>Changes</summary>

Add a macro __BPF_FEATURE_GOTOX for bpf target for cpu v4. So the developer can 
easily detect whether insn gotox is supported or not.

---
Full diff: https://github.com/llvm/llvm-project/pull/165456.diff


2 Files Affected:

- (modified) clang/lib/Basic/Targets/BPF.cpp (+1) 
- (modified) clang/test/Preprocessor/bpf-predefined-macros.c (+4) 


``````````diff
diff --git a/clang/lib/Basic/Targets/BPF.cpp b/clang/lib/Basic/Targets/BPF.cpp
index 0411bcca51789..8de1083d758c7 100644
--- a/clang/lib/Basic/Targets/BPF.cpp
+++ b/clang/lib/Basic/Targets/BPF.cpp
@@ -75,6 +75,7 @@ void BPFTargetInfo::getTargetDefines(const LangOptions &Opts,
     Builder.defineMacro("__BPF_FEATURE_GOTOL");
     Builder.defineMacro("__BPF_FEATURE_ST");
     Builder.defineMacro("__BPF_FEATURE_LOAD_ACQ_STORE_REL");
+    Builder.defineMacro("__BPF_FEATURE_GOTOX");
   }
 }
 
diff --git a/clang/test/Preprocessor/bpf-predefined-macros.c 
b/clang/test/Preprocessor/bpf-predefined-macros.c
index cd8a2ec031925..a9ae8c58c3ba7 100644
--- a/clang/test/Preprocessor/bpf-predefined-macros.c
+++ b/clang/test/Preprocessor/bpf-predefined-macros.c
@@ -70,6 +70,9 @@ int u;
 #ifdef __BPF_FEATURE_LOAD_ACQ_STORE_REL
 int v;
 #endif
+#ifdef __BPF_FEATURE_GOTOX
+int w;
+#endif
 
 // CHECK: int b;
 // CHECK: int c;
@@ -110,6 +113,7 @@ int v;
 // CPU_V4: int u;
 
 // CPU_V4: int v;
+// CPU_V4: int w;
 
 // CPU_GENERIC: int g;
 

``````````

</details>


https://github.com/llvm/llvm-project/pull/165456
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