[PATCH] D47500: [WebAssembly] Add support for response file parsing

[Sam Clegg via Phabricator via llvm-commits]

sbc100 updated this revision to Diff 149032.
sbc100 added a comment.

- feedback


Repository:
  rLLD LLVM Linker

https://reviews.llvm.org/D47500

Files:
  test/wasm/responsefile.test
  wasm/Driver.cpp


Index: wasm/Driver.cpp
===================================================================
--- wasm/Driver.cpp
+++ wasm/Driver.cpp
@@ -142,6 +142,10 @@
 
   unsigned MissingIndex;
   unsigned MissingCount;
+
+  // Expand response files (arguments in the form of @<filename>)
+  cl::ExpandResponseFiles(Saver, cl::TokenizeGNUCommandLine, Vec);
+
   opt::InputArgList Args = this->ParseArgs(Vec, MissingIndex, MissingCount);
 
   handleColorDiagnostics(Args);
Index: test/wasm/responsefile.test
===================================================================
--- /dev/null
+++ test/wasm/responsefile.test
@@ -0,0 +1,11 @@
+RUN: llc -filetype=obj -o %t.o %p/Inputs/ret32.ll
+
+RUN: echo -o %t.wasm -e ret32 %t.o > %t.rsp
+RUN: wasm-ld @%t.rsp --initial-memory=655360
+RUN: llvm-readobj --sections %t.wasm | FileCheck %s
+CHECK: InitialPages: 10
+
+RUN: echo "blah\foo" > %t.rsp
+RUN: not wasm-ld @%t.rsp 2>&1 | \
+RUN:     FileCheck --check-prefix=ESCAPE %s
+ESCAPE: error: cannot open blahfoo: No such file or directory


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