Merging r243133:

------------------------------------------------------------------------
r243133 | chh | 2015-07-24 11:12:54 -0700 (Fri, 24 Jul 2015) | 8 lines

Correct x86_64 Android fp128 mangled name

These changes are for Android x86_64 targets to be compatible with current Android g++.
https://llvm.org/bugs/show_bug.cgi?id=23897
Use 'g' and 'Cg' for "long double" and "long double _Complex" mangled type names.

Differential Revision: http://reviews.llvm.org/D11466

------------------------------------------------------------------------

git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_37@245095 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index f965ab319457bb7d1e0ecc872d9d58015736f2fc..e4db004b4948a42b82ace2392f70739fe59f313c 100644 (file)
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -6968,6 +6968,10 @@ public:
       : LinuxTargetInfo<X86_64TargetInfo>(Triple) {
     LongDoubleFormat = &llvm::APFloat::IEEEquad;
   }
+
+  bool useFloat128ManglingForLongDouble() const override {
+    return true;
+  }
 };
 } // end anonymous namespace
 

diff --git a/test/CodeGen/long_double_fp128.cpp b/test/CodeGen/long_double_fp128.cpp
new file mode 100644 (file)
index 0000000..1780255
--- /dev/null
+++ b/test/CodeGen/long_double_fp128.cpp
@@ -0,0 +1,22 @@
+// RUN: %clang_cc1 -triple x86_64-linux-android -emit-llvm -o - %s \
+// RUN:    | FileCheck %s --check-prefix=A64
+// RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm -o - %s \
+// RUN:    | FileCheck %s --check-prefix=G64
+// RUN: %clang_cc1 -triple powerpc64-linux-gnu -emit-llvm -o - %s \
+// RUN:    | FileCheck %s --check-prefix=P64
+// RUN: %clang_cc1 -triple i686-linux-android -emit-llvm -o - %s \
+// RUN:    | FileCheck %s --check-prefix=A32
+// RUN: %clang_cc1 -triple i686-linux-gnu -emit-llvm -o - %s \
+// RUN:    | FileCheck %s --check-prefix=G32
+// RUN: %clang_cc1 -triple powerpc-linux-gnu -emit-llvm -o - %s \
+// RUN:    | FileCheck %s --check-prefix=P32
+
+// Check mangled name of long double.
+// Android's gcc and llvm use fp128 for long double.
+void test(long, float, double, long double, long double _Complex) { }
+// A64:  define void @_Z4testlfdgCg(i64, float, double, fp128, { fp128, fp128 }*
+// G64:  define void @_Z4testlfdeCe(i64, float, double, x86_fp80, { x86_fp80, x86_fp80 }*
+// P64:  define void @_Z4testlfdgCg(i64, float, double, ppc_fp128, ppc_fp128 {{.*}}, ppc_fp128
+// A32:  define void @_Z4testlfdeCe(i32, float, double, double, { double, double }*
+// G32:  define void @_Z4testlfdeCe(i32, float, double, x86_fp80, { x86_fp80, x86_fp80 }*
+// P32:  define void @_Z4testlfdgCg(i32, float, double, ppc_fp128, { ppc_fp128, ppc_fp128 }*