Patch that experimentally integrates Polly into Julia's execution engine.

polly4julia.patch

diff --git a/Make.inc b/Make.inc
index 6d8ca15..8f93705 100644
--- a/Make.inc
+++ b/Make.inc
@@ -19,7 +19,8 @@ endif
 OPENBLAS_USE_THREAD:=1
 
 # Use libraries available on the system instead of building them
-USE_SYSTEM_LLVM:=0
+USE_SYSTEM_LLVM:=1
+LLVM_CONFIG:=/home/d412vv1n/opt/llvm/bin/llvm-config
 USE_SYSTEM_LIBUNWIND:=0
 USE_SYSTEM_PCRE:=0
 USE_SYSTEM_LIBM:=0
diff --git a/src/Makefile b/src/Makefile
index ae46d01..31eab33 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -46,15 +46,19 @@ endif
 
 HEADERS := $(addprefix $(SRCDIR)/,julia.h julia_threads.h julia_internal.h options.h) $(BUILDDIR)/julia_version.h $(wildcard $(SRCDIR)/support/*.h) $(LIBUV_INC)/uv.h
 
+LLVMLINK := $(shell $(LLVM_CONFIG_HOST) --libdir)/libPolly.a
+LLVMLINK += $(shell $(LLVM_CONFIG_HOST) --libdir)/libPollyISL.a
+FLAGS += -I$(shell $(LLVM_CONFIG_HOST) --src-root)/tools/polly/include
+
 # In LLVM < 3.4, --ldflags includes both options and libraries, so use it both before and after --libs
 # In LLVM >= 3.4, --ldflags has only options, and --system-libs has the libraries.
 ifneq ($(USE_LLVM_SHLIB),1)
-LLVMLINK := $(shell $(LLVM_CONFIG_HOST) --ldflags) $(shell $(LLVM_CONFIG_HOST) --libs $(LLVM_LIBS)) $(shell $(LLVM_CONFIG_HOST) --ldflags) $(shell $(LLVM_CONFIG_HOST) --system-libs 2> /dev/null)
+LLVMLINK += $(shell $(LLVM_CONFIG_HOST) --ldflags) $(shell $(LLVM_CONFIG_HOST) --libs $(LLVM_LIBS)) $(shell $(LLVM_CONFIG_HOST) --ldflags) $(shell $(LLVM_CONFIG_HOST) --system-libs 2> /dev/null)
 else
 ifeq ($(LLVM_USE_CMAKE),1)
-LLVMLINK := $(shell $(LLVM_CONFIG_HOST) --ldflags) -lLLVM
+LLVMLINK += $(shell $(LLVM_CONFIG_HOST) --ldflags) -lLLVM
 else
-LLVMLINK := $(shell $(LLVM_CONFIG_HOST) --ldflags) -lLLVM-$(shell $(LLVM_CONFIG_HOST) --version)
+LLVMLINK += $(shell $(LLVM_CONFIG_HOST) --ldflags) -lLLVM-$(shell $(LLVM_CONFIG_HOST) --version)
 endif
 FLAGS += -DLLVM_SHLIB
 endif
diff --git a/src/codegen.cpp b/src/codegen.cpp
index e06211e..7623120 100644
--- a/src/codegen.cpp
+++ b/src/codegen.cpp
@@ -112,6 +112,8 @@ using namespace llvm;
 
 #include <setjmp.h>
 
+#include <polly/RegisterPasses.h>
+
 #include <string>
 #include <sstream>
 #include <fstream>
@@ -1510,12 +1512,12 @@ static uint64_t compute_obj_symsize(const object::ObjectFile *obj, uint64_t offs
         object::SectionRef Section = *I;
 #endif
         uint64_t SAddr, SSize;
-#ifdef LLVM38
-        SAddr = Section.getAddress().get();
-        SSize = Section.getSize().get();
-#elif defined(LLVM36)
+#if defined(LLVM36) || defined(LLVM39)
         SAddr = Section.getAddress();
         SSize = Section.getSize();
+#elif defined(LLVM38)
+        SAddr = Section.getAddress().get();
+        SSize = Section.getSize().get();
 #else
         Section.getAddress(SAddr);
         Section.getSize(SSize);
@@ -5974,6 +5976,10 @@ extern "C" void jl_init_codegen(void)
     llvm::DisablePrettyStackTrace = true;
 #endif
 
+    PassRegistry &Registry = *PassRegistry::getPassRegistry();
+    polly::initializePollyPasses(Registry);
+    initializeAnalysis(Registry);
+
     InitializeNativeTarget();
     InitializeNativeTargetAsmPrinter();
     InitializeNativeTargetAsmParser();
diff --git a/src/debuginfo.cpp b/src/debuginfo.cpp
index cd8f32e..a8d6817 100644
--- a/src/debuginfo.cpp
+++ b/src/debuginfo.cpp
@@ -377,7 +377,10 @@ public:
 #endif
             if (Section == EndSection) continue;
             if (!Section->isText()) continue;
-#ifdef LLVM38
+#if defined(LLVM39)
+            uint64_t SectionAddr = Section->getAddress();
+            uint64_t SectionLoadAddr = L.getSectionLoadAddress(*Section);
+#elif LLVM38
             uint64_t SectionAddr = Section->getAddress().get();
             uint64_t SectionLoadAddr = L.getSectionLoadAddress(*Section);
 #else
diff --git a/src/jitlayers.cpp b/src/jitlayers.cpp
index 78a56b3..58a634a 100644
--- a/src/jitlayers.cpp
+++ b/src/jitlayers.cpp
@@ -63,6 +63,10 @@ static void addOptimizationPasses(T *PM)
 
     PM->add(createEarlyCSEPass()); //// ****
 
+    if (getenv("JULIA_USE_POLLY"))
+        polly::registerPollyPasses(*PM);
+
+
     PM->add(createLoopIdiomPass()); //// ****
     PM->add(createLoopRotatePass());           // Rotate loops.
     // LoopRotate strips metadata from terminator, so run LowerSIMD afterwards