[PowerPC][AIX] Enable Shrinkwrapping on 32 and 64 bit AIX.

Summary: Currently Shrinkwrap is not enabled on AIX. This patch enables shrink wrap on 32 and 64 bit AIX, and 64 bit ELF. Reviewed By: sfertile, nemanjai Differential Revision: https://reviews.llvm.org/D95094
llvm · Feb 17, 2021 · cb28768 · cb28768
1 parent 7048cb5
commit cb28768
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Showing 5 changed files with 199 additions and 154 deletions.
diff --git a/llvm/lib/Target/PowerPC/PPCFrameLowering.cpp b/llvm/lib/Target/PowerPC/PPCFrameLowering.cpp
@@ -2545,6 +2545,5 @@ unsigned PPCFrameLowering::getBasePointerSaveOffset() const {
 bool PPCFrameLowering::enableShrinkWrapping(const MachineFunction &MF) const {
   if (MF.getInfo<PPCFunctionInfo>()->shrinkWrapDisabled())
     return false;
-  return (MF.getSubtarget<PPCSubtarget>().isSVR4ABI() &&
-          MF.getSubtarget<PPCSubtarget>().isPPC64());
+  return !MF.getSubtarget<PPCSubtarget>().is32BitELFABI();
 }