Author: abataev
Date: Thu Jul 26 08:17:38 2018
New Revision: 338032
URL: http://llvm.org/viewvc/llvm-project?rev=338032&view=rev
Log:
[OPENMP] Force OpenMP 4.5 when compiling for offloading.
If the user requested compilation for OpenMP with the offloading
support, force the version of the OpenMP standard to 4.5 by default.
Modified:
cfe/trunk/lib/Driver/ToolChains/Clang.cpp
cfe/trunk/lib/Frontend/CompilerInvocation.cpp
cfe/trunk/test/OpenMP/driver.c
Modified: cfe/trunk/lib/Driver/ToolChains/Clang.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/ToolChains/Clang.cpp?rev=338032&r1=338031&r2=338032&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/ToolChains/Clang.cpp (original)
+++ cfe/trunk/lib/Driver/ToolChains/Clang.cpp Thu Jul 26 08:17:38 2018
@@ -4698,7 +4698,7 @@ void Clang::ConstructJob(Compilation &C,
// For all the host OpenMP offloading compile jobs we need to pass the
targets
// information using -fopenmp-targets= option.
- if (isa<CompileJobAction>(JA) && JA.isHostOffloading(Action::OFK_OpenMP)) {
+ if (JA.isHostOffloading(Action::OFK_OpenMP)) {
SmallString<128> TargetInfo("-fopenmp-targets=");
Arg *Tgts = Args.getLastArg(options::OPT_fopenmp_targets_EQ);
Modified: cfe/trunk/lib/Frontend/CompilerInvocation.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/CompilerInvocation.cpp?rev=338032&r1=338031&r2=338032&view=diff
==============================================================================
--- cfe/trunk/lib/Frontend/CompilerInvocation.cpp (original)
+++ cfe/trunk/lib/Frontend/CompilerInvocation.cpp Thu Jul 26 08:17:38 2018
@@ -2594,13 +2594,15 @@ static void ParseLangArgs(LangOptions &O
Opts.OpenMP && !Args.hasArg(options::OPT_fnoopenmp_use_tls);
Opts.OpenMPIsDevice =
Opts.OpenMP && Args.hasArg(options::OPT_fopenmp_is_device);
+ bool IsTargetSpecified =
+ Opts.OpenMPIsDevice || Args.hasArg(options::OPT_fopenmp_targets_EQ);
if (Opts.OpenMP || Opts.OpenMPSimd) {
- if (int Version =
- getLastArgIntValue(Args, OPT_fopenmp_version_EQ,
- IsSimdSpecified ? 45 : Opts.OpenMP, Diags))
+ if (int Version = getLastArgIntValue(
+ Args, OPT_fopenmp_version_EQ,
+ (IsSimdSpecified || IsTargetSpecified) ? 45 : Opts.OpenMP, Diags))
Opts.OpenMP = Version;
- else if (IsSimdSpecified)
+ else if (IsSimdSpecified || IsTargetSpecified)
Opts.OpenMP = 45;
// Provide diagnostic when a given target is not expected to be an OpenMP
// device or host.
Modified: cfe/trunk/test/OpenMP/driver.c
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/test/OpenMP/driver.c?rev=338032&r1=338031&r2=338032&view=diff
==============================================================================
--- cfe/trunk/test/OpenMP/driver.c (original)
+++ cfe/trunk/test/OpenMP/driver.c Thu Jul 26 08:17:38 2018
@@ -1,3 +1,4 @@
+// REQUIRES: x86-registered-target
// Test that by default -fnoopenmp-use-tls is passed to frontend.
//
// RUN: %clang %s -### -o %t.o 2>&1 -fopenmp=libomp | FileCheck
--check-prefix=CHECK-DEFAULT %s
@@ -23,7 +24,9 @@
// RUN: %clang %s -c -E -dM -fopenmp=libomp -fopenmp-version=45 | FileCheck
--check-prefix=CHECK-45-VERSION %s
// RUN: %clang %s -c -E -dM -fopenmp=libomp -fopenmp-simd | FileCheck
--check-prefix=CHECK-45-VERSION %s
+// RUN: %clang %s -c -E -dM -fopenmp=libomp
-fopenmp-targets=x86_64-unknown-unknown -o - | FileCheck
--check-prefix=CHECK-45-VERSION --check-prefix=CHECK-45-VERSION2 %s
// CHECK-45-VERSION: #define _OPENMP 201511
+// CHECK-45-VERSION2: #define _OPENMP 201511
// RUN: %clang %s -c -E -dM -fopenmp-version=1 | FileCheck
--check-prefix=CHECK-VERSION %s
// RUN: %clang %s -c -E -dM -fopenmp-version=31 | FileCheck
--check-prefix=CHECK-VERSION %s
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