[llvm-branch-commits] [llvm] XCore: Add iprintf to RuntimeLibcalls system library (PR #167088)

via llvm-branch-commits llvm-branch-commits at lists.llvm.org
Fri Nov 7 20:10:43 PST 2025


llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-transforms

Author: Matt Arsenault (arsenm)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/167088.diff


2 Files Affected:

- (modified) llvm/include/llvm/IR/RuntimeLibcalls.td (+1) 
- (added) llvm/test/Transforms/Util/DeclareRuntimeLibcalls/xcore.ll (+6) 


``````````diff
diff --git a/llvm/include/llvm/IR/RuntimeLibcalls.td b/llvm/include/llvm/IR/RuntimeLibcalls.td
index ad11216c6ee9d..acc9a1bfc0f5b 100644
--- a/llvm/include/llvm/IR/RuntimeLibcalls.td
+++ b/llvm/include/llvm/IR/RuntimeLibcalls.td
@@ -3349,6 +3349,7 @@ def XCoreSystemLibrary
     (add DefaultRuntimeLibcallImpls,
          exp10f, exp10, exp10l_f128,
          __memcpy_4,
+         iprintf, siprintf, fiprintf,
          LibcallImpls<(add LibmF128Libcalls, LibmF128FiniteLibcalls), isGNUEnvironment>
 )>;
 
diff --git a/llvm/test/Transforms/Util/DeclareRuntimeLibcalls/xcore.ll b/llvm/test/Transforms/Util/DeclareRuntimeLibcalls/xcore.ll
new file mode 100644
index 0000000000000..c1326ac980f4b
--- /dev/null
+++ b/llvm/test/Transforms/Util/DeclareRuntimeLibcalls/xcore.ll
@@ -0,0 +1,6 @@
+; REQUIRES: webassembly-registered-target
+; RUN: opt -S -passes=declare-runtime-libcalls -mtriple=xcore < %s | FileCheck %s
+
+; CHECK: declare void @fiprintf(...)
+; CHECK: declare void @iprintf(...)
+; CHECK: declare void @siprintf(...)

``````````

</details>


https://github.com/llvm/llvm-project/pull/167088


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