Use find with std::map, when that's what's needed, instead of lower_bound
with extra checks.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53344 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/RegAllocSimple.cpp b/lib/CodeGen/RegAllocSimple.cpp
index 081edd8..f07f7f9 100644
--- a/lib/CodeGen/RegAllocSimple.cpp
+++ b/lib/CodeGen/RegAllocSimple.cpp
@@ -103,10 +103,9 @@
int RegAllocSimple::getStackSpaceFor(unsigned VirtReg,
const TargetRegisterClass *RC) {
// Find the location VirtReg would belong...
- std::map<unsigned, int>::iterator I =
- StackSlotForVirtReg.lower_bound(VirtReg);
+ std::map<unsigned, int>::iterator I = StackSlotForVirtReg.find(VirtReg);
- if (I != StackSlotForVirtReg.end() && I->first == VirtReg)
+ if (I != StackSlotForVirtReg.end())
return I->second; // Already has space allocated?
// Allocate a new stack object for this spill location...