Remove unecessary if statements when looping on ImplicitDefs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10444 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/LiveVariables.cpp b/lib/CodeGen/LiveVariables.cpp
index 7ec4d32..358d5d0 100644
--- a/lib/CodeGen/LiveVariables.cpp
+++ b/lib/CodeGen/LiveVariables.cpp
@@ -237,9 +237,9 @@
}
// Loop over implicit defs, defining them.
- if (const unsigned *ImplicitDefs = MID.ImplicitDefs)
- for (unsigned i = 0; ImplicitDefs[i]; ++i)
- HandlePhysRegDef(ImplicitDefs[i], MI);
+ for (const unsigned *ImplicitDefs = MID.ImplicitDefs;
+ *ImplicitDefs; ++ImplicitDefs)
+ HandlePhysRegDef(*ImplicitDefs, MI);
// Process all explicit defs...
for (unsigned i = 0; i != NumOperandsToProcess; ++i) {
diff --git a/lib/CodeGen/RegAllocLocal.cpp b/lib/CodeGen/RegAllocLocal.cpp
index d1a6df0..4a3eb11 100644
--- a/lib/CodeGen/RegAllocLocal.cpp
+++ b/lib/CodeGen/RegAllocLocal.cpp
@@ -551,13 +551,13 @@
}
// Loop over the implicit defs, spilling them as well.
- if (const unsigned *ImplicitDefs = TID.ImplicitDefs)
- for (unsigned i = 0; ImplicitDefs[i]; ++i) {
- unsigned Reg = ImplicitDefs[i];
- spillPhysReg(MBB, I, Reg);
- PhysRegsUseOrder.push_back(Reg);
- PhysRegsUsed[Reg] = 0; // It is free and reserved now
- }
+ for (const unsigned *ImplicitDefs = TID.ImplicitDefs;
+ *ImplicitDefs; ++ImplicitDefs) {
+ unsigned Reg = *ImplicitDefs;
+ spillPhysReg(MBB, I, Reg);
+ PhysRegsUseOrder.push_back(Reg);
+ PhysRegsUsed[Reg] = 0; // It is free and reserved now
+ }
// Okay, we have allocated all of the source operands and spilled any values
// that would be destroyed by defs of this instruction. Loop over the