[PATCH] D37712: Add support for mllvm to the MinGW driver

[Martell Malone via Phabricator via llvm-commits]

martell created this revision.
Herald added a subscriber: mehdi_amini.

Repository:
  rL LLVM

https://reviews.llvm.org/D37712

Files:
  MinGW/Driver.cpp
  MinGW/Options.td
  test/MinGW/lto-debug-pass-arguments.ll


Index: test/MinGW/lto-debug-pass-arguments.ll
===================================================================
--- /dev/null
+++ test/MinGW/lto-debug-pass-arguments.ll
@@ -0,0 +1,16 @@
+; REQUIRES: x86
+; RUN: llvm-as %s -o %t.obj
+; RUN: ld.lld -m i386pep -shared -o %t.dll %t.obj -mllvm -debug-pass=Arguments 2>&1 | FileCheck %s
+
+target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-pc-windows-gnu"
+
+define void @dummy() {
+  ret void
+}
+
+define void @_DllMainCRTStartup() {
+  ret void
+}
+
+; CHECK: Pass Arguments:
Index: MinGW/Options.td
===================================================================
--- MinGW/Options.td
+++ MinGW/Options.td
@@ -13,6 +13,7 @@
   HelpText<"Path to file to write output">;
 def l: JoinedOrSeparate<["-"], "l">, MetaVarName<"<libName>">,
   HelpText<"Root name of library to use">;
+def mllvm: S<"mllvm">;
 def shared: F<"shared">, HelpText<"Build a shared object">;
 def subs: Separate<["--"], "subsystem">, HelpText<"Specify subsystem">;
 def stack: Separate<["--"], "stack">;
Index: MinGW/Driver.cpp
===================================================================
--- MinGW/Driver.cpp
+++ MinGW/Driver.cpp
@@ -159,6 +159,9 @@
       error("unknown parameter: -m" + S);
   }
 
+  for (auto *A : Args.filtered(OPT_mllvm))
+    Add("-mllvm:" + StringRef(A->getValue()));
+
   if (Args.getLastArgValue(OPT_m) == "i386pe")
     Add("-alternatename:__image_base__=___ImageBase");
   else


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