Handle IMPLICIT_DEF with isUndef operand marker, part 2. This patch moves the code to annotate machineoperands to LiveIntervalAnalysis. It also add markers for implicit_def that define physical registers. The rest, is just a lot of details.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74580 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Sparc/SparcInstrInfo.cpp b/lib/Target/Sparc/SparcInstrInfo.cpp
index d2f6b9b..12c286a 100644
--- a/lib/Target/Sparc/SparcInstrInfo.cpp
+++ b/lib/Target/Sparc/SparcInstrInfo.cpp
@@ -256,17 +256,20 @@
if (OpNum == 0) { // COPY -> STORE
unsigned SrcReg = MI->getOperand(1).getReg();
bool isKill = MI->getOperand(1).isKill();
+ bool isUndef = MI->getOperand(1).isUndef();
NewMI = BuildMI(MF, MI->getDebugLoc(),
get(isFloat ? SP::STFri : SP::STDFri))
.addFrameIndex(FI)
.addImm(0)
- .addReg(SrcReg, getKillRegState(isKill));
+ .addReg(SrcReg, getKillRegState(isKill) | getUndefRegState(isUndef));
} else { // COPY -> LOAD
unsigned DstReg = MI->getOperand(0).getReg();
bool isDead = MI->getOperand(0).isDead();
+ bool isUndef = MI->getOperand(0).isUndef();
NewMI = BuildMI(MF, MI->getDebugLoc(),
get(isFloat ? SP::LDFri : SP::LDDFri))
- .addReg(DstReg, RegState::Define | getDeadRegState(isDead))
+ .addReg(DstReg, RegState::Define |
+ getDeadRegState(isDead) | getUndefRegState(isUndef))
.addFrameIndex(FI)
.addImm(0);
}