From a34948a2c5d7cd296abda6970652a9513d67feb7 Mon Sep 17 00:00:00 2001
From: Brian Anderson <banderson@mozilla.com>
Date: Thu, 28 Mar 2013 16:47:33 -0700
Subject: [PATCH] rustllvm: Initialize target analysis passes

Without this the target info for certain optimizations will not be
created and the compiler will sometimes crash
---
 src/rustllvm/RustWrapper.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/rustllvm/RustWrapper.cpp b/src/rustllvm/RustWrapper.cpp
index 68483b0280f..5d422b2d2ed 100644
--- a/src/rustllvm/RustWrapper.cpp
+++ b/src/rustllvm/RustWrapper.cpp
@@ -452,6 +452,8 @@ LLVMRustWriteOutputFile(LLVMPassManagerRef PMR,
   Options.NoFramePointerElim = true;
   Options.EnableSegmentedStacks = EnableSegmentedStacks;
 
+  PassManager *PM = unwrap<PassManager>(PMR);
+
   std::string Err;
   std::string Trip(Triple::normalize(triple));
   std::string FeaturesStr;
@@ -461,8 +463,9 @@ LLVMRustWriteOutputFile(LLVMPassManagerRef PMR,
     TheTarget->createTargetMachine(Trip, CPUStr, FeaturesStr,
 				   Options, Reloc::PIC_,
 				   CodeModel::Default, OptLevel);
+  Target->addAnalysisPasses(*PM);
+
   bool NoVerify = false;
-  PassManager *PM = unwrap<PassManager>(PMR);
   std::string ErrorInfo;
   raw_fd_ostream OS(path, ErrorInfo,
                     raw_fd_ostream::F_Binary);