DXIL: Do not define any available runtime libcalls

[arsenm]

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

[arsenm]

• DXIL: Do not define any available runtime libcalls #148628 👈 (View in Graphite)
• main

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[llvmbot]

@llvm/pr-subscribers-llvm-ir

@llvm/pr-subscribers-backend-directx

Author: Matt Arsenault (arsenm)

Changes

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 --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
 //===----------------------------------------------------------------------===//