[llvm-commits] CVS: llvm/lib/CWriter/Writer.cpp
Chris Lattner
lattner at cs.uiuc.edu
Wed Apr 23 14:16:02 PDT 2003
Changes in directory llvm/lib/CWriter:
Writer.cpp updated: 1.80 -> 1.81
---
Log message:
Fix problem where labels were being incorrectly elided, and fix problem
where PHI copies where not emitted for the default label of switch insts
---
Diffs of the changes:
Index: llvm/lib/CWriter/Writer.cpp
diff -u llvm/lib/CWriter/Writer.cpp:1.80 llvm/lib/CWriter/Writer.cpp:1.81
--- llvm/lib/CWriter/Writer.cpp:1.80 Wed Apr 23 14:09:22 2003
+++ llvm/lib/CWriter/Writer.cpp Wed Apr 23 14:15:13 2003
@@ -817,7 +817,8 @@
for (Value::use_iterator UI = BB->use_begin(), UE = BB->use_end();
UI != UE; ++UI)
if (TerminatorInst *TI = dyn_cast<TerminatorInst>(*UI))
- if (TI != Prev->getTerminator()) {
+ if (TI != Prev->getTerminator() ||
+ isa<SwitchInst>(Prev->getTerminator())) {
NeedsLabel = true;
break;
}
@@ -867,8 +868,8 @@
void CWriter::visitSwitchInst(SwitchInst &SI) {
Out << " switch (";
writeOperand(SI.getOperand(0));
- Out << ") {\n default: goto ";
- writeOperand(SI.getDefaultDest());
+ Out << ") {\n default:\n";
+ printBranchToBlock(SI.getParent(), SI.getDefaultDest(), 2);
Out << ";\n";
for (unsigned i = 2, e = SI.getNumOperands(); i != e; i += 2) {
Out << " case ";
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