Avoid zero extend bit test operands to pointer type if all the masks fit in
the original type of the switch statement key.
rdar://8781238
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122935 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
index dfd1df7..8f466d9 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
@@ -258,15 +258,16 @@
struct BitTestBlock {
BitTestBlock(APInt F, APInt R, const Value* SV,
- unsigned Rg, bool E,
+ unsigned Rg, EVT RgVT, bool E,
MachineBasicBlock* P, MachineBasicBlock* D,
const BitTestInfo& C):
- First(F), Range(R), SValue(SV), Reg(Rg), Emitted(E),
+ First(F), Range(R), SValue(SV), Reg(Rg), RegVT(RgVT), Emitted(E),
Parent(P), Default(D), Cases(C) { }
APInt First;
APInt Range;
const Value *SValue;
unsigned Reg;
+ EVT RegVT;
bool Emitted;
MachineBasicBlock *Parent;
MachineBasicBlock *Default;
@@ -435,7 +436,8 @@
void visitSwitchCase(CaseBlock &CB,
MachineBasicBlock *SwitchBB);
void visitBitTestHeader(BitTestBlock &B, MachineBasicBlock *SwitchBB);
- void visitBitTestCase(MachineBasicBlock* NextMBB,
+ void visitBitTestCase(BitTestBlock &BB,
+ MachineBasicBlock* NextMBB,
unsigned Reg,
BitTestCase &B,
MachineBasicBlock *SwitchBB);