[NFC][llvm-exegesis] Disable CFI-icall for JIT-executed function (#202472)

vitalybuka · web-flow · commit 1ada747bd3be · 2026-06-08T23:45:43.000-07:00
diff --git a/llvm/tools/llvm-exegesis/lib/Assembler.h b/llvm/tools/llvm-exegesis/lib/Assembler.h
@@ -114,7 +114,8 @@ class ExecutableFunction {
   StringRef getFunctionBytes() const { return FunctionBytes; }
 
   // Executes the function.
-  void operator()(char *Memory) const {
+  void operator()(char *Memory) const
+      __attribute__((no_sanitize("cfi-icall"))) /* Incompatible with JIT */ {
     ((void (*)(char *))(uintptr_t)FunctionBytes.data())(Memory);
   }
 

Original file line number	Diff line number	Diff line change
`@@ -114,7 +114,8 @@ class ExecutableFunction {`
`114`	`114`	`StringRef getFunctionBytes() const { return FunctionBytes; }`
`115`	`115`
`116`	`116`	`// Executes the function.`
`117`		`- void operator()(char *Memory) const {`
	`117`	`+ void operator()(char *Memory) const`
	`118`	`+ __attribute__((no_sanitize("cfi-icall"))) /* Incompatible with JIT */ {`
`118`	`119`	`((void ()(char ))(uintptr_t)FunctionBytes.data())(Memory);`
`119`	`120`	`}`
`120`	`121`