[PATCH] D89801: [SystemZ][z/OS] Set short-enums as the default for z/OS

[Abhina Sree 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 rG9bc02e892f54: [SystemZ][z/OS] Set short-enums as the default for z/OS (authored by Jonathan.Crowther, committed by abhina.sreeskantharajan).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D89801/new/

https://reviews.llvm.org/D89801

Files:
  clang/lib/Driver/ToolChains/Clang.cpp
  clang/test/Driver/zos-driver-defaults.c


Index: clang/test/Driver/zos-driver-defaults.c
===================================================================
--- /dev/null
+++ clang/test/Driver/zos-driver-defaults.c
@@ -0,0 +1,9 @@
+// RUN: %clang -### --target=s390x-none-zos -fsyntax-only %s 2>&1 | FileCheck --check-prefix=CHECK-SHORT-ENUMS %s
+// RUN: %clang -### --target=s390x-none-zos -fno-short-enums -fsyntax-only %s 2>&1 | FileCheck %s
+// REQUIRES: clang-driver
+
+//CHECK-SHORT-ENUMS: -fshort-enums
+//CHECK-SHORT-ENUMS: -fno-signed-char
+
+//CHECK-NOT: -fshort-enums
+//CHECK: -fno-signed-char
Index: clang/lib/Driver/ToolChains/Clang.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Clang.cpp
+++ clang/lib/Driver/ToolChains/Clang.cpp
@@ -5645,9 +5645,9 @@
                        (RTTIMode == ToolChain::RM_Disabled)))
     CmdArgs.push_back("-fno-rtti");
 
-  // -fshort-enums=0 is default for all architectures except Hexagon.
+  // -fshort-enums=0 is default for all architectures except Hexagon and z/OS.
   if (Args.hasFlag(options::OPT_fshort_enums, options::OPT_fno_short_enums,
-                   TC.getArch() == llvm::Triple::hexagon))
+                   TC.getArch() == llvm::Triple::hexagon || Triple.isOSzOS()))
     CmdArgs.push_back("-fshort-enums");
 
   RenderCharacterOptions(Args, AuxTriple ? *AuxTriple : RawTriple, CmdArgs);


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