junfd updated this revision to Diff 417146.
junfd added a comment.

Refine the test case.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D121969/new/

https://reviews.llvm.org/D121969

Files:
  clang/lib/Driver/ToolChains/CommonArgs.cpp
  clang/test/Driver/fsplit-machine-functions2.c


Index: clang/test/Driver/fsplit-machine-functions2.c
===================================================================
--- /dev/null
+++ clang/test/Driver/fsplit-machine-functions2.c
@@ -0,0 +1,8 @@
+// Test -fsplit-machine-functions option pass-through with lto
+// RUN: %clang -### -target x86_64-unknown-linux -flto 
-fsplit-machine-functions %s 2>&1 | FileCheck %s -check-prefix=CHECK-PASS
+
+// Test no pass-through to ld without lto
+// RUN: %clang -### -target x86_64-unknown-linux -fsplit-machine-functions %s 
2>&1 | FileCheck %s -check-prefix=CHECK-NOPASS
+
+// CHECK-PASS:          "-plugin-opt=-split-machine-functions"
+// CHECK-NOPASS-NOT:    "-plugin-opt=-split-machine-functions"
Index: clang/lib/Driver/ToolChains/CommonArgs.cpp
===================================================================
--- clang/lib/Driver/ToolChains/CommonArgs.cpp
+++ clang/lib/Driver/ToolChains/CommonArgs.cpp
@@ -574,6 +574,10 @@
     CmdArgs.push_back("-plugin-opt=-data-sections");
   }
 
+  if (Args.hasArg(options::OPT_fsplit_machine_functions)) {
+    CmdArgs.push_back("-plugin-opt=-split-machine-functions");
+  }
+
   if (Arg *A = getLastProfileSampleUseArg(Args)) {
     StringRef FName = A->getValue();
     if (!llvm::sys::fs::exists(FName))


Index: clang/test/Driver/fsplit-machine-functions2.c
===================================================================
--- /dev/null
+++ clang/test/Driver/fsplit-machine-functions2.c
@@ -0,0 +1,8 @@
+// Test -fsplit-machine-functions option pass-through with lto
+// RUN: %clang -### -target x86_64-unknown-linux -flto -fsplit-machine-functions %s 2>&1 | FileCheck %s -check-prefix=CHECK-PASS
+
+// Test no pass-through to ld without lto
+// RUN: %clang -### -target x86_64-unknown-linux -fsplit-machine-functions %s 2>&1 | FileCheck %s -check-prefix=CHECK-NOPASS
+
+// CHECK-PASS:          "-plugin-opt=-split-machine-functions"
+// CHECK-NOPASS-NOT:    "-plugin-opt=-split-machine-functions"
Index: clang/lib/Driver/ToolChains/CommonArgs.cpp
===================================================================
--- clang/lib/Driver/ToolChains/CommonArgs.cpp
+++ clang/lib/Driver/ToolChains/CommonArgs.cpp
@@ -574,6 +574,10 @@
     CmdArgs.push_back("-plugin-opt=-data-sections");
   }
 
+  if (Args.hasArg(options::OPT_fsplit_machine_functions)) {
+    CmdArgs.push_back("-plugin-opt=-split-machine-functions");
+  }
+
   if (Arg *A = getLastProfileSampleUseArg(Args)) {
     StringRef FName = A->getValue();
     if (!llvm::sys::fs::exists(FName))
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