From 66fd1ebfae2fff815f27bf2be19469f40dd99c88 Mon Sep 17 00:00:00 2001
From: whitequark <whitequark@whitequark.org>
Date: Sun, 12 Aug 2018 17:59:18 +0000
Subject: Make LLVM emit assembly comments with -Z asm-comments.

Fixes #35741.
---
 src/rustllvm/PassWrapper.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'src/rustllvm/PassWrapper.cpp')

diff --git a/src/rustllvm/PassWrapper.cpp b/src/rustllvm/PassWrapper.cpp
index 7305dc71cbf..d9fbd494ab3 100644
--- a/src/rustllvm/PassWrapper.cpp
+++ b/src/rustllvm/PassWrapper.cpp
@@ -366,7 +366,8 @@ extern "C" LLVMTargetMachineRef LLVMRustCreateTargetMachine(
     bool PositionIndependentExecutable, bool FunctionSections,
     bool DataSections,
     bool TrapUnreachable,
-    bool Singlethread) {
+    bool Singlethread,
+    bool AsmComments) {
 
   auto OptLevel = fromRust(RustOptLevel);
   auto RM = fromRust(RustReloc);
@@ -393,6 +394,8 @@ extern "C" LLVMTargetMachineRef LLVMRustCreateTargetMachine(
   }
   Options.DataSections = DataSections;
   Options.FunctionSections = FunctionSections;
+  Options.MCOptions.AsmVerbose = AsmComments;
+  Options.MCOptions.PreserveAsmComments = AsmComments;
 
   if (TrapUnreachable) {
     // Tell LLVM to codegen `unreachable` into an explicit trap instruction.
-- 
cgit 1.4.1-3-g733a5