commit 33be83415c9b5e9a874fcbddee8e64ecf464c203
author Sergio Afonso <safonsof@amd.com> Tue Mar 14 17:40:04 2023 +0000
committer Sergio Afonso <safonsof@amd.com> Fri Mar 24 17:13:40 2023 +0000
tree a29e56032d7335964e0fca03a61acb5b4c42e8db
parent e74834f9bb6bb608e00e2cd230cb3b63df0803b9

[flang][driver][openmp] Write MLIR for -save-temps

This patch adds support for producing MLIR files when using -save-temps on
flang. One MLIR file will be produced before lowering and optimization passes,
containing the operations produced by the PFT-to-MLIR lowering bridge, and
another at the end of the process, just before LLVM IR generation.

This is accomplished by forwarding the -save-temps flag from the driver to the
frontend, and modifying it to output MLIR files accordingly.

Differential Revision: https://reviews.llvm.org/D146075

clang/lib/Driver/ToolChains/Flang.cpp

diff --git a/clang/lib/Driver/ToolChains/Flang.cpp b/clang/lib/Driver/ToolChains/Flang.cpp
index 23083ff..164238d 100644
--- a/clang/lib/Driver/ToolChains/Flang.cpp
+++ b/clang/lib/Driver/ToolChains/Flang.cpp
@@ -405,6 +405,9 @@
 
   assert(Input.isFilename() && "Invalid input.");
 
+  if (Args.getLastArg(options::OPT_save_temps_EQ))
+    Args.AddLastArg(CmdArgs, options::OPT_save_temps_EQ);
+
   addDashXForInput(Args, Input, CmdArgs);
 
   CmdArgs.push_back(Input.getFilename());