[PATCH] D106371: [AIX] Generate large code model relocations when mcmodel=medium on AIX

[Hubert Tong via Phabricator via cfe-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG7d669e6666c1: [AIX] Generate large code model relocations when mcmodel=medium on AIX (authored by anjankgk, committed by hubert.reinterpretcast).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D106371/new/

https://reviews.llvm.org/D106371

Files:
  clang/lib/Driver/ToolChains/Clang.cpp
  clang/test/Driver/mcmodel.c


Index: clang/test/Driver/mcmodel.c
===================================================================
--- clang/test/Driver/mcmodel.c
+++ clang/test/Driver/mcmodel.c
@@ -3,6 +3,8 @@
 // RUN: %clang -target x86_64 -### -S -mcmodel=kernel %s 2>&1 | FileCheck --check-prefix=KERNEL %s
 // RUN: %clang -target x86_64 -### -c -mcmodel=medium %s 2>&1 | FileCheck --check-prefix=MEDIUM %s
 // RUN: %clang -target x86_64 -### -S -mcmodel=large %s 2>&1 | FileCheck --check-prefix=LARGE %s
+// RUN: %clang -target powerpc-unknown-aix -### -S -mcmodel=medium %s 2> %t.log
+// RUN: FileCheck --check-prefix=AIX-MCMEDIUM-OVERRIDE %s < %t.log
 // RUN: not %clang -c -mcmodel=lager %s 2>&1 | FileCheck --check-prefix=INVALID %s
 
 // TINY: "-mcmodel=tiny"
@@ -10,5 +12,6 @@
 // KERNEL: "-mcmodel=kernel"
 // MEDIUM: "-mcmodel=medium"
 // LARGE: "-mcmodel=large"
+// AIX-MCMEDIUM-OVERRIDE: "-mcmodel=large"
 
 // INVALID: error: invalid argument 'lager' to -mcmodel=
Index: clang/lib/Driver/ToolChains/Clang.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Clang.cpp
+++ clang/lib/Driver/ToolChains/Clang.cpp
@@ -5136,11 +5136,15 @@
   if (Arg *A = Args.getLastArg(options::OPT_mcmodel_EQ)) {
     StringRef CM = A->getValue();
     if (CM == "small" || CM == "kernel" || CM == "medium" || CM == "large" ||
-        CM == "tiny")
-      A->render(Args, CmdArgs);
-    else
+        CM == "tiny") {
+      if (Triple.isOSAIX() && CM == "medium")
+        CmdArgs.push_back("-mcmodel=large");
+      else
+        A->render(Args, CmdArgs);
+    } else {
       D.Diag(diag::err_drv_invalid_argument_to_option)
           << CM << A->getOption().getName();
+    }
   }
 
   if (Arg *A = Args.getLastArg(options::OPT_mtls_size_EQ)) {


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