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-rw-r--r--llvm/lib/Transforms/IPO/PassManagerBuilder.cpp5
1 files changed, 3 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp b/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp
index c3acd9ff30d..842f3958284 100644
--- a/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp
+++ b/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp
@@ -168,6 +168,7 @@ PassManagerBuilder::PassManagerBuilder() {
PGOInstrUse = RunPGOInstrUse;
PrepareForThinLTO = EnablePrepareForThinLTO;
PerformThinLTO = false;
+ DivergentTarget = false;
}
PassManagerBuilder::~PassManagerBuilder() {
@@ -307,7 +308,7 @@ void PassManagerBuilder::addFunctionSimplificationPasses(
// Rotate Loop - disable header duplication at -Oz
MPM.add(createLoopRotatePass(SizeLevel == 2 ? 0 : -1));
MPM.add(createLICMPass()); // Hoist loop invariants
- MPM.add(createLoopUnswitchPass(SizeLevel || OptLevel < 3));
+ MPM.add(createLoopUnswitchPass(SizeLevel || OptLevel < 3, DivergentTarget));
MPM.add(createCFGSimplificationPass());
addInstructionCombiningPass(MPM);
MPM.add(createIndVarSimplifyPass()); // Canonicalize indvars
@@ -588,7 +589,7 @@ void PassManagerBuilder::populateModulePassManager(
MPM.add(createCorrelatedValuePropagationPass());
addInstructionCombiningPass(MPM);
MPM.add(createLICMPass());
- MPM.add(createLoopUnswitchPass(SizeLevel || OptLevel < 3));
+ MPM.add(createLoopUnswitchPass(SizeLevel || OptLevel < 3, DivergentTarget));
MPM.add(createCFGSimplificationPass());
addInstructionCombiningPass(MPM);
}
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