[PATCH] D18626: [PM] Add a SpeculativeExecution pass for targets with divergent branches.

[Justin Lebar via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL266399: [PM] Add a SpeculativeExecution pass for targets with divergent branches. (authored by jlebar).

Changed prior to commit:
  http://reviews.llvm.org/D18626?vs=52131&id=53825#toc

Repository:
  rL LLVM

http://reviews.llvm.org/D18626

Files:
  llvm/trunk/lib/Transforms/IPO/PassManagerBuilder.cpp

Index: llvm/trunk/lib/Transforms/IPO/PassManagerBuilder.cpp
===================================================================
--- llvm/trunk/lib/Transforms/IPO/PassManagerBuilder.cpp
+++ llvm/trunk/lib/Transforms/IPO/PassManagerBuilder.cpp
@@ -234,6 +234,8 @@
   else
     MPM.add(createScalarReplAggregatesPass(-1, false));
   MPM.add(createEarlyCSEPass());              // Catch trivial redundancies
+  // Speculative execution if the target has divergent branches; otherwise nop.
+  MPM.add(createSpeculativeExecutionIfHasBranchDivergencePass());
   MPM.add(createJumpThreadingPass());         // Thread jumps.
   MPM.add(createCorrelatedValuePropagationPass()); // Propagate conditionals
   MPM.add(createCFGSimplificationPass());     // Merge & remove BBs


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