[PATCH] D107242: [AIX] Define __HOS_AIX__ macro

[Jake Egan via Phabricator via cfe-commits]

Jake-Egan updated this revision to Diff 364685.
Jake-Egan added a comment.

Only define if AIX is the target and host.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D107242/new/

https://reviews.llvm.org/D107242

Files:
  clang/lib/Basic/Targets/PPC.cpp
  clang/test/Preprocessor/host-aix.c
  clang/test/Preprocessor/not-host-aix.c


Index: clang/test/Preprocessor/not-host-aix.c
===================================================================
--- /dev/null
+++ clang/test/Preprocessor/not-host-aix.c
@@ -0,0 +1,3 @@
+// UNSUPPORTED: system-aix
+// RUN: %clang_cc1 -E -dM -ffreestanding -triple=powerpc-unknown-linux-gnu -fno-signed-char < /dev/null | FileCheck -match-full-lines -check-prefix PPC-LINUX %s
+// PPC-LINUX-NOT:#define __HOS_AIX__ 1
Index: clang/test/Preprocessor/host-aix.c
===================================================================
--- /dev/null
+++ clang/test/Preprocessor/host-aix.c
@@ -0,0 +1,3 @@
+// REQUIRES: system-aix
+// RUN: %clang_cc1 -E -dM -ffreestanding -triple=powerpc-ibm-aix7.1.0.0 -fno-signed-char < /dev/null | FileCheck -match-full-lines -check-prefix PPC-AIX %s
+// PPC-AIX:#define __HOS_AIX__ 1
Index: clang/lib/Basic/Targets/PPC.cpp
===================================================================
--- clang/lib/Basic/Targets/PPC.cpp
+++ clang/lib/Basic/Targets/PPC.cpp
@@ -14,6 +14,7 @@
 #include "clang/Basic/Diagnostic.h"
 #include "clang/Basic/MacroBuilder.h"
 #include "clang/Basic/TargetBuiltins.h"
+#include "llvm/Support/Host.h"
 
 using namespace clang;
 using namespace clang::targets;
@@ -301,6 +302,11 @@
     Builder.defineMacro("__LONGDOUBLE64");
   }
 
+  llvm::Triple HostTriple(llvm::sys::getProcessTriple());
+  if (HostTriple.isOSAIX() && getTriple().isOSAIX()) {
+    Builder.defineMacro("__HOS_AIX__");
+  }
+
   // Define this for elfv2 (64-bit only) or 64-bit darwin.
   if (ABI == "elfv2" ||
       (getTriple().getOS() == llvm::Triple::Darwin && PointerWidth == 64))


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