[llvm] 0537f17 - RuntimeLibcalls: Avoid adding ppcf128 calls to non-ppc targets (#147656)

[via llvm-commits]

Author: Matt Arsenault
Date: 2025-07-13T10:55:04+09:00
New Revision: 0537f17dfc2e5989ff9d3ee2fe9999d360ed5de6

URL: https://github.com/llvm/llvm-project/commit/0537f17dfc2e5989ff9d3ee2fe9999d360ed5de6
DIFF: https://github.com/llvm/llvm-project/commit/0537f17dfc2e5989ff9d3ee2fe9999d360ed5de6.diff

LOG: RuntimeLibcalls: Avoid adding ppcf128 calls to non-ppc targets (#147656)

Filter out PPCF128 calls from the default set, and only add them
back to PPC.

Added: 
    

Modified: 
    llvm/include/llvm/IR/RuntimeLibcalls.td

Removed: 
    


################################################################################
diff  --git a/llvm/include/llvm/IR/RuntimeLibcalls.td b/llvm/include/llvm/IR/RuntimeLibcalls.td
index 9a8dd66b7a1ad..def156b5cda11 100644
--- a/llvm/include/llvm/IR/RuntimeLibcalls.td
+++ b/llvm/include/llvm/IR/RuntimeLibcalls.td
@@ -1040,15 +1040,21 @@ defvar CompilerRTOnlyInt128Libcalls = [
   __mulodi4
 ];
 
-defvar DefaultRuntimeLibcallImpls =
-  !listremove(!listremove(AllDefaultRuntimeLibcallImpls,
-                          Int128RTLibcalls),
-                          CompilerRTOnlyInt128Libcalls);
+defvar DefaultRuntimeLibcallImpls_ppcf128 =
+    !filter(entry, AllDefaultRuntimeLibcallImpls,
+            !match(!cast<string>(entry.Provides), "PPCF128"));
 
 defvar DefaultRuntimeLibcallImpls_f128 =
-    !filter(entry, DefaultRuntimeLibcallImpls,
+    !filter(entry, AllDefaultRuntimeLibcallImpls,
             !match(!cast<string>(entry.Provides), "_F128"));
 
+defvar DefaultRuntimeLibcallImpls =
+  !listremove(
+    !listremove(
+        !listremove(AllDefaultRuntimeLibcallImpls, Int128RTLibcalls),
+                    CompilerRTOnlyInt128Libcalls),
+                    DefaultRuntimeLibcallImpls_ppcf128);
+
 defvar DefaultRuntimeLibcallImpls_atomic =
     !filter(entry, DefaultRuntimeLibcallImpls,
             !match(!cast<string>(entry.Provides), "ATOMIC"));
@@ -1900,6 +1906,7 @@ def PPCSystemLibrary
            (sub DefaultRuntimeLibcallImpls, memcpy,
                 DefaultRuntimeLibcallImpls_f128),
            __extendkftf2, __trunctfkf2,
+           DefaultRuntimeLibcallImpls_ppcf128,
            LibmF128Libcalls, AIX32Calls, AIX64Calls,
            AvailableIf<memcpy, isNotAIX>,
            LibcallImpls<(add Int128RTLibcalls), isPPC64>)>;