[llvm-commits] CVS: llvm/utils/TableGen/RegisterInfoEmitter.cpp
Chris Lattner
lattner at cs.uiuc.edu
Thu Sep 29 18:34:00 PDT 2005
Changes in directory llvm/utils/TableGen:
RegisterInfoEmitter.cpp updated: 1.30 -> 1.31
---
Log message:
allow regs to be in multiple reg classes
---
Diffs of the changes: (+2 -18)
RegisterInfoEmitter.cpp | 20 ++------------------
1 files changed, 2 insertions(+), 18 deletions(-)
Index: llvm/utils/TableGen/RegisterInfoEmitter.cpp
diff -u llvm/utils/TableGen/RegisterInfoEmitter.cpp:1.30 llvm/utils/TableGen/RegisterInfoEmitter.cpp:1.31
--- llvm/utils/TableGen/RegisterInfoEmitter.cpp:1.30 Fri Aug 19 15:23:42 2005
+++ llvm/utils/TableGen/RegisterInfoEmitter.cpp Thu Sep 29 20:33:48 2005
@@ -101,8 +101,6 @@
const std::vector<CodeGenRegisterClass> &RegisterClasses =
Target.getRegisterClasses();
- std::set<Record*> RegistersFound;
-
// Loop over all of the register classes... emitting each one.
OS << "namespace { // Register classes...\n";
@@ -121,10 +119,6 @@
<< "[] = {\n ";
for (unsigned i = 0, e = RC.Elements.size(); i != e; ++i) {
Record *Reg = RC.Elements[i];
- if (RegistersFound.count(Reg))
- throw "Register '" + Reg->getName() +
- "' included in multiple register classes!";
- RegistersFound.insert(Reg);
OS << getQualifiedName(Reg) << ", ";
// Keep track of which regclasses this register is in.
@@ -232,18 +226,8 @@
unsigned SpillAlign = Reg.DeclaredSpillAlignment;
for (; I != E; ++I) { // For each reg class this belongs to.
const CodeGenRegisterClass *RC = I->second;
- if (SpillSize == 0)
- SpillSize = RC->SpillSize;
- else if (SpillSize != RC->SpillSize)
- throw "Spill size for regclass '" + RC->getName() +
- "' doesn't match spill sized already inferred for register '" +
- Reg.getName() + "'!";
- if (SpillAlign == 0)
- SpillAlign = RC->SpillAlignment;
- else if (SpillAlign != RC->SpillAlignment)
- throw "Spill alignment for regclass '" + RC->getName() +
- "' doesn't match spill sized already inferred for register '" +
- Reg.getName() + "'!";
+ SpillSize = std::max(SpillSize, RC->SpillSize);
+ SpillAlign = std::max(SpillAlign, RC->SpillAlignment);
}
OS << SpillSize << ", " << SpillAlign << " },\n";
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