[PATCH] D74631: [clang][XCOFF] Indicate that XCOFF does not support COMDATs

[David Tenty via Phabricator via cfe-commits]

daltenty updated this revision to Diff 244708.
daltenty added a comment.

- Add missing newline


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D74631/new/

https://reviews.llvm.org/D74631

Files:
  clang/test/CodeGen/xcoff-comdat.cpp
  llvm/include/llvm/ADT/Triple.h


Index: llvm/include/llvm/ADT/Triple.h
===================================================================
--- llvm/include/llvm/ADT/Triple.h
+++ llvm/include/llvm/ADT/Triple.h
@@ -743,7 +743,7 @@
 
   /// Tests whether the target supports comdat
   bool supportsCOMDAT() const {
-    return !isOSBinFormatMachO();
+    return !(isOSBinFormatMachO() || isOSBinFormatXCOFF());
   }
 
   /// Tests whether the target uses emulated TLS as default.
Index: clang/test/CodeGen/xcoff-comdat.cpp
===================================================================
--- /dev/null
+++ clang/test/CodeGen/xcoff-comdat.cpp
@@ -0,0 +1,10 @@
+// RUN: %clang_cc1 -triple powerpc-ibm-aix -emit-llvm -o - %s | FileCheck %s
+// RUN: %clang_cc1 -triple powerpc64-ibm-aix -emit-llvm -o - %s | FileCheck %s
+
+class a {
+  virtual void d() {}
+  virtual void e();
+};
+void a::e() {}
+
+// CHECK-NOT: = comdat



Index: llvm/include/llvm/ADT/Triple.h
===================================================================
--- llvm/include/llvm/ADT/Triple.h
+++ llvm/include/llvm/ADT/Triple.h
@@ -743,7 +743,7 @@
 
   /// Tests whether the target supports comdat
   bool supportsCOMDAT() const {
-    return !isOSBinFormatMachO();
+    return !(isOSBinFormatMachO() || isOSBinFormatXCOFF());
   }
 
   /// Tests whether the target uses emulated TLS as default.
Index: clang/test/CodeGen/xcoff-comdat.cpp
===================================================================
--- /dev/null
+++ clang/test/CodeGen/xcoff-comdat.cpp
@@ -0,0 +1,10 @@
+// RUN: %clang_cc1 -triple powerpc-ibm-aix -emit-llvm -o - %s | FileCheck %s
+// RUN: %clang_cc1 -triple powerpc64-ibm-aix -emit-llvm -o - %s | FileCheck %s
+
+class a {
+  virtual void d() {}
+  virtual void e();
+};
+void a::e() {}
+
+// CHECK-NOT: = comdat

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