[Beignet] [PATCH 1/2] GBE: do intrinsics lowering pass earlier.

[Yang, Rong R]

LGTM, thanks.

-----Original Message-----
From: Beignet [mailto:beignet-bounces at lists.freedesktop.org] On Behalf Of Zhigang Gong
Sent: Tuesday, September 30, 2014 12:17
To: beignet at lists.freedesktop.org
Cc: Gong, Zhigang
Subject: [Beignet] [PATCH 1/2] GBE: do intrinsics lowering pass earlier.

After the intrinsics lowering pass, it may introduce some new loops which could be optimized nicely with the previous loop unrolling and SROA PASS which especially may elminiate private data access.

Signed-off-by: Zhigang Gong <zhigang.gong at intel.com>
---
 backend/src/llvm/llvm_to_gen.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/backend/src/llvm/llvm_to_gen.cpp b/backend/src/llvm/llvm_to_gen.cpp
index e31421f..26d2a49 100644
--- a/backend/src/llvm/llvm_to_gen.cpp
+++ b/backend/src/llvm/llvm_to_gen.cpp
@@ -119,6 +119,7 @@ namespace gbe
     MPM.add(new TargetLibraryInfo(*libraryInfo));
     MPM.add(createTypeBasedAliasAnalysisPass());
     MPM.add(createBasicAliasAnalysisPass());
+    MPM.add(createIntrinsicLoweringPass());
     MPM.add(createGlobalOptimizerPass());     // Optimize out global vars
 
     MPM.add(createIPSCCPPass());              // IP SCCP
--
1.8.3.2

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