Add a late IR expansion pass for the experimental reduction intrinsics.

This pass uses a new target hook to decide whether or not to expand a particular
intrinsic to the shuffevector sequence.

Differential Revision: https://reviews.llvm.org/D32245



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@302631 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 2 insertions, 0 deletions

diff --git a/tools/llc/llc.cpp b/tools/llc/llc.cpp
index 7c81abaed75..9efad747aa1 100644
--- a/tools/llc/llc.cpp
+++ b/tools/llc/llc.cpp
@@ -301,6 +301,7 @@ int main(int argc, char **argv) {
   initializeConstantHoistingLegacyPassPass(*Registry);
   initializeScalarOpts(*Registry);
   initializeVectorization(*Registry);
+  initializeExpandReductionsPass(*Registry);
 
   // Register the target printer for --version.
   cl::AddExtraVersionPrinter(TargetRegistry::printRegisteredTargetsForVersion);
diff --git a/tools/opt/opt.cpp b/tools/opt/opt.cpp
index 0b584d45b28..3c6188a0dc6 100644
--- a/tools/opt/opt.cpp
+++ b/tools/opt/opt.cpp
@@ -397,6 +397,7 @@ int main(int argc, char **argv) {
   initializeInterleavedAccessPass(Registry);
   initializeCountingFunctionInserterPass(Registry);
   initializeUnreachableBlockElimLegacyPassPass(Registry);
+  initializeExpandReductionsPass(Registry);
 
 #ifdef LINK_POLLY_INTO_TOOLS
   polly::initializePollyPasses(Registry);