[PATCH] D141862: [clang][driver][AIX] Add OpenMP runtime if -fopenmp specified

[Xing Xue via Phabricator via cfe-commits]

xingxue created this revision.
xingxue added reviewers: daltenty, cebowleratibm, kkwli0.
xingxue added a project: LLVM.
Herald added subscribers: guansong, yaxunl.
Herald added a project: All.
xingxue requested review of this revision.
Herald added subscribers: cfe-commits, sstefan1, MaskRay.
Herald added a reviewer: jdoerfert.
Herald added a project: clang.

This patch adds OpenMP runtime to the linker command line if `-fopenmp` is 
specifed.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D141862

Files:
  clang/lib/Driver/ToolChains/AIX.cpp


Index: clang/lib/Driver/ToolChains/AIX.cpp
===================================================================
--- clang/lib/Driver/ToolChains/AIX.cpp
+++ clang/lib/Driver/ToolChains/AIX.cpp
@@ -243,6 +243,25 @@
   if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) {
     AddRunTimeLibs(ToolChain, D, CmdArgs, Args);
 
+    // Add OpenMP runtime if -fopenmp is specified.
+    if (Args.hasFlag(options::OPT_fopenmp, options::OPT_fopenmp_EQ,
+                     options::OPT_fno_openmp, false)) {
+      switch (ToolChain.getDriver().getOpenMPRuntime(Args)) {
+      case Driver::OMPRT_OMP:
+        CmdArgs.push_back("-lomp");
+        break;
+      case Driver::OMPRT_IOMP5:
+        CmdArgs.push_back("-liomp5");
+        break;
+      case Driver::OMPRT_GOMP:
+        CmdArgs.push_back("-lgomp");
+        break;
+      case Driver::OMPRT_Unknown:
+        // Already diagnosed.
+        break;
+      }
+    }
+
     // Support POSIX threads if "-pthreads" or "-pthread" is present.
     if (Args.hasArg(options::OPT_pthreads, options::OPT_pthread))
       CmdArgs.push_back("-lpthreads");



Index: clang/lib/Driver/ToolChains/AIX.cpp
===================================================================
--- clang/lib/Driver/ToolChains/AIX.cpp
+++ clang/lib/Driver/ToolChains/AIX.cpp
@@ -243,6 +243,25 @@
   if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) {
     AddRunTimeLibs(ToolChain, D, CmdArgs, Args);
 
+    // Add OpenMP runtime if -fopenmp is specified.
+    if (Args.hasFlag(options::OPT_fopenmp, options::OPT_fopenmp_EQ,
+                     options::OPT_fno_openmp, false)) {
+      switch (ToolChain.getDriver().getOpenMPRuntime(Args)) {
+      case Driver::OMPRT_OMP:
+        CmdArgs.push_back("-lomp");
+        break;
+      case Driver::OMPRT_IOMP5:
+        CmdArgs.push_back("-liomp5");
+        break;
+      case Driver::OMPRT_GOMP:
+        CmdArgs.push_back("-lgomp");
+        break;
+      case Driver::OMPRT_Unknown:
+        // Already diagnosed.
+        break;
+      }
+    }
+
     // Support POSIX threads if "-pthreads" or "-pthread" is present.
     if (Args.hasArg(options::OPT_pthreads, options::OPT_pthread))
       CmdArgs.push_back("-lpthreads");

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