Changes in directory llvm/lib/CodeGen:
RegAllocLocal.cpp updated: 1.92 -> 1.93
---
Log message:
Fix UnitTests/2005-05-12-Int64ToFP.c with llc-beta. In particular, do not
allow it to go into an infinite loop, filling up the disk!
---
Diffs of the changes: (+10 -7)
RegAllocLocal.cpp | 17 ++++++++++-------
1 files changed, 10 insertions(+), 7 deletions(-)
Index: llvm/lib/CodeGen/RegAllocLocal.cpp
diff -u llvm/lib/CodeGen/RegAllocLocal.cpp:1.92
llvm/lib/CodeGen/RegAllocLocal.cpp:1.93
--- llvm/lib/CodeGen/RegAllocLocal.cpp:1.92 Fri Sep 8 15:21:31 2006
+++ llvm/lib/CodeGen/RegAllocLocal.cpp Tue Sep 19 13:02:01 2006
@@ -621,18 +621,21 @@
for (const unsigned *ImplicitDefs = TID.ImplicitDefs;
*ImplicitDefs; ++ImplicitDefs) {
unsigned Reg = *ImplicitDefs;
- if (PhysRegsUsed[Reg] == -2) continue;
-
- spillPhysReg(MBB, MI, Reg, true);
- PhysRegsUseOrder.push_back(Reg);
- PhysRegsUsed[Reg] = 0; // It is free and reserved now
+ bool IsNonAllocatable = PhysRegsUsed[Reg] == -2;
+ if (!IsNonAllocatable) {
+ spillPhysReg(MBB, MI, Reg, true);
+ PhysRegsUseOrder.push_back(Reg);
+ PhysRegsUsed[Reg] = 0; // It is free and reserved now
+ }
PhysRegsEverUsed[Reg] = true;
for (const unsigned *AliasSet = RegInfo->getAliasSet(Reg);
*AliasSet; ++AliasSet) {
if (PhysRegsUsed[*AliasSet] != -2) {
- PhysRegsUseOrder.push_back(*AliasSet);
- PhysRegsUsed[*AliasSet] = 0; // It is free and reserved now
+ if (!IsNonAllocatable) {
+ PhysRegsUseOrder.push_back(*AliasSet);
+ PhysRegsUsed[*AliasSet] = 0; // It is free and reserved now
+ }
PhysRegsEverUsed[*AliasSet] = true;
}
}
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