[PATCH] D102807: Revert "[AIX] Avoid structor alias; die before bad alias codegen"

[Jake Egan via Phabricator via cfe-commits]

Jake-Egan created this revision.
Herald added a subscriber: jeroen.dobbelaere.
Jake-Egan requested review of this revision.
Herald added a project: clang.
Herald added a subscriber: cfe-commits.

This reverts commit b116ded57da3530e661f871f4191c59cd9e091cd <https://reviews.llvm.org/rGb116ded57da3530e661f871f4191c59cd9e091cd>.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D102807

Files:
  clang/lib/Driver/ToolChains/Clang.cpp
  clang/test/Driver/aix-constructor-alias.c


Index: clang/test/Driver/aix-constructor-alias.c
===================================================================
--- clang/test/Driver/aix-constructor-alias.c
+++ clang/test/Driver/aix-constructor-alias.c
@@ -1,7 +1,7 @@
-// Check that we don't pass -mconstructor-aliases when compiling for AIX.
+// Check that we pass -mconstructor-aliases when compiling for AIX.
 
 // RUN: %clang -### -target powerpc-ibm-aix7.1.0.0 %s -c -o %t.o 2>&1 \
 // RUN:   | FileCheck %s
 // RUN: %clang -### -target powerpc64-ibm-aix7.1.0.0 %s -c -o %t.o 2>&1 \
 // RUN:   | FileCheck %s
-// CHECK-NOT: "-mconstructor-aliases"
+// CHECK: "-mconstructor-aliases"
Index: clang/lib/Driver/ToolChains/Clang.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Clang.cpp
+++ clang/lib/Driver/ToolChains/Clang.cpp
@@ -4973,10 +4973,8 @@
 
   // Enable -mconstructor-aliases except on darwin, where we have to work around
   // a linker bug (see <rdar://problem/7651567>), and CUDA/AMDGPU device code,
-  // where aliases aren't supported. Similarly, aliases aren't yet supported
-  // for AIX.
-  if (!RawTriple.isOSDarwin() && !RawTriple.isNVPTX() &&
-      !RawTriple.isAMDGPU() && !RawTriple.isOSAIX())
+  // where aliases aren't supported.
+  if (!RawTriple.isOSDarwin() && !RawTriple.isNVPTX() && !RawTriple.isAMDGPU())
     CmdArgs.push_back("-mconstructor-aliases");
 
   // Darwin's kernel doesn't support guard variables; just die if we


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