RuntimeLibcalls: Avoid adding ppcf128 calls to non-ppc targets

[arsenm]

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

[llvmbot]

@llvm/pr-subscribers-backend-hexagon

@llvm/pr-subscribers-llvm-selectiondag

Author: Matt Arsenault (arsenm)

Changes

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

---

Full diff: https://github.com/llvm/llvm-project/pull/147656.diff

1 Files Affected:

• (modified) llvm/include/llvm/IR/RuntimeLibcalls.td (+12-5)

diff --git a/llvm/include/llvm/IR/RuntimeLibcalls.td b/llvm/include/llvm/IR/RuntimeLibcalls.td
index fabfaf89b5aa0..c9eda9110a9ef 100644
--- a/llvm/include/llvm/IR/RuntimeLibcalls.td
+++ b/llvm/include/llvm/IR/RuntimeLibcalls.td
@@ -1012,15 +1012,21 @@ 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"));
@@ -1843,6 +1849,7 @@ def PPCSystemLibrary
            (sub DefaultRuntimeLibcallImpls, memcpy,
                 DefaultRuntimeLibcallImpls_f128),
            __extendkftf2, __trunctfkf2,
+           DefaultRuntimeLibcallImpls_ppcf128,
            LibmF128Libcalls, AIX32Calls, AIX64Calls,
            AvailableIf<memcpy, isNotAIX>,
            LibcallImpls<(add Int128RTLibcalls), isPPC64>)>;

[arsenm]

Warning

This pull request is not mergeable via GitHub because a downstack PR is open. Once all requirements are satisfied, merge this PR as a stack on Graphite.
Learn more

• RuntimeLibcalls: Avoid adding f80 calls to default set #147658
• RuntimeLibcalls: Avoid adding ppcf128 calls to non-ppc targets #147656 👈 (View in Graphite)
• RISCV: Start moving runtime libcall config to tablegen #147652
• RuntimeLibcalls: Stop using defset for default calls #147651
• Hexagon: Move runtime libcall configuration to tablegen #147482
• DAG: Use fast variants of fast math libcalls #147481
• ARM: Start moving runtime libcalls into tablegen #146084
• ARM: Unconditionally set eabi libcall calling convs in RuntimeLibcalls #146083
• RuntimeLibcalls: Remove table of soft float compare cond codes #146082
• MSP430: Move libcall CC setting to RuntimeLibcallsInfo #146081
• Lanai: Use TableGen to set libcall calling conventions #146080
• TableGen: Handle setting runtime libcall calling conventions #144980
• RuntimeLibcalls: Associate calling convention with libcall impls #144979
• TableGen: Allow defining sets of runtime libraries #144978
• AArch64: Add libcall impl declarations for __arm_sc* memory functions #144977
• XCore: Declare libcalls used for align 4 memcpy #144976
• Hexagon: Add libcall declarations for special memcpy #144975
• ARM: Add runtime libcall definitions for aebi memory functions #144974
• TableGen: Generate enum for runtime libcall implementations #144973
• TableGen: Add runtime libcall backend #144972
• PowerPC: Stop reporting memcpy as an alias of memmove on AIX #143836
• main

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