Store CodeGenRegisters as pointers so they won't be reallocated.
Reuse the CodeGenRegBank DenseMap in a few places that would build their
own or use linear search.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133333 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/CodeGenTarget.cpp b/utils/TableGen/CodeGenTarget.cpp
index 4ce8022..5b0b315 100644
--- a/utils/TableGen/CodeGenTarget.cpp
+++ b/utils/TableGen/CodeGenTarget.cpp
@@ -167,12 +167,10 @@
/// getRegisterByName - If there is a register with the specific AsmName,
/// return it.
const CodeGenRegister *CodeGenTarget::getRegisterByName(StringRef Name) const {
- const std::vector<CodeGenRegister> &Regs = getRegBank().getRegisters();
- for (unsigned i = 0, e = Regs.size(); i != e; ++i) {
- const CodeGenRegister &Reg = Regs[i];
- if (Reg.TheDef->getValueAsString("AsmName") == Name)
- return &Reg;
- }
+ const std::vector<CodeGenRegister*> &Regs = getRegBank().getRegisters();
+ for (unsigned i = 0, e = Regs.size(); i != e; ++i)
+ if (Regs[i]->TheDef->getValueAsString("AsmName") == Name)
+ return Regs[i];
return 0;
}