r363720 - [OPENMP][NVPTX]Correct codegen for 128 bit long double.

[Alexey Bataev via cfe-commits]

Author: abataev
Date: Tue Jun 18 12:04:27 2019
New Revision: 363720

URL: http://llvm.org/viewvc/llvm-project?rev=363720&view=rev
Log:
[OPENMP][NVPTX]Correct codegen for 128 bit long double.

If the host uses 128 bit long doubles, the compiler should generate correct code for NVPTX devices. If the return type has 128 bit long doubles, in LLVM IR this type must be coerced to int array instead.

Modified:
    cfe/trunk/lib/CodeGen/TargetInfo.cpp
    cfe/trunk/test/OpenMP/nvptx_unsupported_type_codegen.cpp

Modified: cfe/trunk/lib/CodeGen/TargetInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/TargetInfo.cpp?rev=363720&r1=363719&r2=363720&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/TargetInfo.cpp (original)
+++ cfe/trunk/lib/CodeGen/TargetInfo.cpp Tue Jun 18 12:04:27 2019
@@ -6330,7 +6330,9 @@ private:
 static bool isUnsupportedType(ASTContext &Context, QualType T) {
   if (!Context.getTargetInfo().hasFloat16Type() && T->isFloat16Type())
     return true;
-  if (!Context.getTargetInfo().hasFloat128Type() && T->isFloat128Type())
+  if (!Context.getTargetInfo().hasFloat128Type() &&
+      (T->isFloat128Type() ||
+       (T->isRealFloatingType() && Context.getTypeSize(T) == 128)))
     return true;
   if (!Context.getTargetInfo().hasInt128Type() && T->isIntegerType() &&
       Context.getTypeSize(T) > 64)

Modified: cfe/trunk/test/OpenMP/nvptx_unsupported_type_codegen.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/OpenMP/nvptx_unsupported_type_codegen.cpp?rev=363720&r1=363719&r2=363720&view=diff
==============================================================================
--- cfe/trunk/test/OpenMP/nvptx_unsupported_type_codegen.cpp (original)
+++ cfe/trunk/test/OpenMP/nvptx_unsupported_type_codegen.cpp Tue Jun 18 12:04:27 2019
@@ -1,6 +1,8 @@
 // Test target codegen - host bc file has to be created first.
 // RUN: %clang_cc1 -verify -fopenmp -x c++ -triple x86_64-unknown-linux -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm-bc %s -o %t-host.bc
-// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple nvptx64-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -aux-triple x86_64-unknown-linux -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-host.bc -o - | FileCheck %s
+// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple nvptx64-unknown-unknown -aux-triple x86_64-unknown-linux -fopenmp-targets=nvptx64-nvidia-cuda -aux-triple x86_64-unknown-linux -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-host.bc -o - | FileCheck %s
+// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple powerpc64le-unknown-linux-gnu -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm-bc %s -o %t-host.bc
+// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple nvptx64-unknown-unknown -aux-triple powerpc64le-unknown-linux-gnu -fopenmp-targets=nvptx64-nvidia-cuda -aux-triple x86_64-unknown-linux -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-host.bc -o - | FileCheck %s
 // expected-no-diagnostics
 
 // CHECK-DAG: [[T:%.+]] = type {{.+}}, fp128,
@@ -8,7 +10,11 @@
 
 struct T {
   char a;
+#ifndef _ARCH_PPC
   __float128 f;
+#else
+  long double f;
+#endif
   char c;
   T() : a(12), f(15) {}
   T &operator+(T &b) { f += b.a; return *this;}