[PATCH] D154048: [PowerPC] disable ppc-use-absolute-jumptables for AIX

[Ting Wang via Phabricator via llvm-commits]

tingwang updated this revision to Diff 536991.
tingwang retitled this revision from "[PowerPC] fix jumptable encoding when ppc-use-absolute-jumptables is turned on" to "[PowerPC] disable ppc-use-absolute-jumptables for AIX".
tingwang edited the summary of this revision.
tingwang added a comment.

Disable the flag on AIX.

However the issue remains on at least ppc64le. I'm not sure of the purpose of this flag, so just expose the issue and leave it here.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D154048/new/

https://reviews.llvm.org/D154048

Files:
  llvm/lib/Target/PowerPC/PPCISelLowering.cpp


Index: llvm/lib/Target/PowerPC/PPCISelLowering.cpp
===================================================================
--- llvm/lib/Target/PowerPC/PPCISelLowering.cpp
+++ llvm/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -3197,7 +3197,7 @@
 }
 
 bool PPCTargetLowering::isJumpTableRelative() const {
-  if (UseAbsoluteJumpTables)
+  if (!Subtarget.isAIXABI() && UseAbsoluteJumpTables)
     return false;
   if (Subtarget.isPPC64() || Subtarget.isAIXABI())
     return true;


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