[llvm] DXIL: Do not define any available runtime libcalls (PR #148628)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-directx

Author: Matt Arsenault (arsenm)

<details>
<summary>Changes</summary>

Previously this was reporting a default set of calls
as available.

---
Full diff: https://github.com/llvm/llvm-project/pull/148628.diff


1 Files Affected:

- (modified) llvm/include/llvm/IR/RuntimeLibcalls.td (+9) 


``````````diff
diff --git a/llvm/include/llvm/IR/RuntimeLibcalls.td b/llvm/include/llvm/IR/RuntimeLibcalls.td
index 4ad6689691f8e..bea72e94aac37 100644
--- a/llvm/include/llvm/IR/RuntimeLibcalls.td
+++ b/llvm/include/llvm/IR/RuntimeLibcalls.td
@@ -1479,6 +1479,15 @@ def AVRSystemLibrary
               // Trigonometric rtlib functions
               avr_sin, avr_cos)>;
 
+//===----------------------------------------------------------------------===//
+// DXIL Runtime Libcalls
+//===----------------------------------------------------------------------===//
+
+def isDXIL : RuntimeLibcallPredicate<"TT.isDXIL()">;
+
+// No calls
+def DXILSystemLibrary : SystemRuntimeLibrary<isDXIL, (add)>;
+
 //===----------------------------------------------------------------------===//
 // Hexagon Runtime Libcalls
 //===----------------------------------------------------------------------===//

``````````

</details>


https://github.com/llvm/llvm-project/pull/148628