Clean up some uninitialized variables and missing return statements that
GCC 4.0.0 compiler (sometimes incorrectly) warns about under release build.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22249 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCBranchSelector.cpp b/lib/Target/PowerPC/PPCBranchSelector.cpp
index 7ace3c1..fdf1dd3 100644
--- a/lib/Target/PowerPC/PPCBranchSelector.cpp
+++ b/lib/Target/PowerPC/PPCBranchSelector.cpp
@@ -43,8 +43,9 @@
case PPC::IMPLICIT_DEF: // no asm emitted
return 0;
default:
- return 4; // PowerPC instructions are all 4 bytes
+ break;
}
+ return 4; // PowerPC instructions are all 4 bytes
}
virtual bool runOnMachineFunction(MachineFunction &Fn) {
diff --git a/lib/Target/SparcV9/SparcV9BurgISel.cpp b/lib/Target/SparcV9/SparcV9BurgISel.cpp
index ef3f9e0..be1baa3 100644
--- a/lib/Target/SparcV9/SparcV9BurgISel.cpp
+++ b/lib/Target/SparcV9/SparcV9BurgISel.cpp
@@ -2915,8 +2915,9 @@
return true; break;
default:
- return false; break;
+ break;
}
+ return false;
}
/// GetInstructionsByRule - Choose machine instructions for the
diff --git a/lib/Target/SparcV9/SparcV9CodeEmitter.cpp b/lib/Target/SparcV9/SparcV9CodeEmitter.cpp
index 0613161..d977ff9 100644
--- a/lib/Target/SparcV9/SparcV9CodeEmitter.cpp
+++ b/lib/Target/SparcV9/SparcV9CodeEmitter.cpp
@@ -56,7 +56,7 @@
SparcV9CodeEmitter::getRealRegNum(unsigned fakeReg,
MachineInstr &MI) {
const SparcV9RegInfo &RI = *TM.getRegInfo();
- unsigned regClass, regType = RI.getRegType(fakeReg);
+ unsigned regClass = 0, regType = RI.getRegType(fakeReg);
// At least map fakeReg into its class
fakeReg = RI.getClassRegNum(fakeReg, regClass);