Don't clear or sign extend bool->int. This fires a few dozen times on the test suite
llvm-svn: 17147
diff --git a/llvm/lib/Target/PowerPC/PPC32ISelSimple.cpp b/llvm/lib/Target/PowerPC/PPC32ISelSimple.cpp
index b0f56da..3adce5d 100644
--- a/llvm/lib/Target/PowerPC/PPC32ISelSimple.cpp
+++ b/llvm/lib/Target/PowerPC/PPC32ISelSimple.cpp
@@ -3048,6 +3048,23 @@
unsigned DestClass = getClassB(DestTy);
unsigned SrcReg = getReg(Src, MBB, IP);
+ // Implement casts from bool to integer types as a move operation
+ if (SrcTy == Type::BoolTy) {
+ switch (DestClass) {
+ case cByte:
+ case cShort:
+ case cInt:
+ BuildMI(*MBB, IP, PPC::OR, 2, DestReg).addReg(SrcReg).addReg(SrcReg);
+ return;
+ case cLong:
+ BuildMI(*MBB, IP, PPC::LI, 1, DestReg).addImm(0);
+ BuildMI(*MBB, IP, PPC::OR, 2, DestReg+1).addReg(SrcReg).addReg(SrcReg);
+ return;
+ default:
+ break;
+ }
+ }
+
// Implement casts to bool by using compare on the operand followed by set if
// not zero on the result.
if (DestTy == Type::BoolTy) {