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Diffstat (limited to 'llvm/lib/Target/AMDGPU/SILowerI1Copies.cpp')
-rw-r--r--llvm/lib/Target/AMDGPU/SILowerI1Copies.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/Target/AMDGPU/SILowerI1Copies.cpp b/llvm/lib/Target/AMDGPU/SILowerI1Copies.cpp
index 1d45e6241d225..236a24a02ece0 100644
--- a/llvm/lib/Target/AMDGPU/SILowerI1Copies.cpp
+++ b/llvm/lib/Target/AMDGPU/SILowerI1Copies.cpp
@@ -452,6 +452,11 @@ static unsigned insertUndefLaneMask(MachineBasicBlock &MBB) {
/// all others, because phi lowering looks through copies and can therefore
/// often make copy lowering unnecessary.
bool SILowerI1Copies::runOnMachineFunction(MachineFunction &TheMF) {
+ // Only need to run this in SelectionDAG path.
+ if (TheMF.getProperties().hasProperty(
+ MachineFunctionProperties::Property::Selected))
+ return false;
+
MF = &TheMF;
MRI = &MF->getRegInfo();
DT = &getAnalysis<MachineDominatorTree>();