[llvm-commits] CVS: llvm/lib/Target/X86/InstSelectSimple.cpp

[Alkis Evlogimenos]

Changes in directory llvm/lib/Target/X86:

InstSelectSimple.cpp updated: 1.143 -> 1.144

---
Log message:

Move FP_REG_KILL closer to the actual branch instruction.


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Diffs of the changes:  (+5 -2)

Index: llvm/lib/Target/X86/InstSelectSimple.cpp
diff -u llvm/lib/Target/X86/InstSelectSimple.cpp:1.143 llvm/lib/Target/X86/InstSelectSimple.cpp:1.144
--- llvm/lib/Target/X86/InstSelectSimple.cpp:1.143	Sat Dec 20 10:22:59 2003
+++ llvm/lib/Target/X86/InstSelectSimple.cpp	Sat Dec 20 11:28:15 2003
@@ -883,11 +883,12 @@
 ///
 void ISel::visitBranchInst(BranchInst &BI) {
   BasicBlock *NextBB = getBlockAfter(BI.getParent());  // BB after current one
-  BuildMI(BB, X86::FP_REG_KILL, 0);
 
   if (!BI.isConditional()) {  // Unconditional branch?
-    if (BI.getSuccessor(0) != NextBB)
+    if (BI.getSuccessor(0) != NextBB) {
+      BuildMI(BB, X86::FP_REG_KILL, 0);
       BuildMI(BB, X86::JMP, 1).addPCDisp(BI.getSuccessor(0));
+    }
     return;
   }
 
@@ -898,6 +899,7 @@
     // computed some other way...
     unsigned condReg = getReg(BI.getCondition());
     BuildMI(BB, X86::CMPri8, 2).addReg(condReg).addZImm(0);
+    BuildMI(BB, X86::FP_REG_KILL, 0);
     if (BI.getSuccessor(1) == NextBB) {
       if (BI.getSuccessor(0) != NextBB)
         BuildMI(BB, X86::JNE, 1).addPCDisp(BI.getSuccessor(0));
@@ -936,6 +938,7 @@
       X86::JS, X86::JNS },
   };
   
+  BuildMI(BB, X86::FP_REG_KILL, 0);
   if (BI.getSuccessor(0) != NextBB) {
     BuildMI(BB, OpcodeTab[isSigned][OpNum], 1).addPCDisp(BI.getSuccessor(0));
     if (BI.getSuccessor(1) != NextBB)