6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2026-04-21 08:17:40 +00:00
Code Issues Projects Releases Wiki Activity

VirtRegRewriter assertion fix.

Browse Source 
Apparently it's ok for multiple operands to "kill" the same register.
Fixes PR9237.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126190 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Trick
2011-02-22 06:52:56 +00:00
parent 4ecc82e592
commit fcfcdbc86a
2 changed files with 54 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lib/CodeGen/VirtRegRewriter.cpp
+4 -2
View File
@@ -478,7 +478,8 @@ static void ResurrectConfirmedKill(unsigned Reg, const TargetRegisterInfo* TRI,
if (!RegKills[KReg])
return;
assert(KillOps[KReg] == KillOp && "invalid superreg kill flags");
assert(KillOps[KReg]->getParent() == KillOp->getParent() &&
"invalid superreg kill flags");
KillOps[KReg] = NULL;
RegKills.reset(KReg);
@@ -487,7 +488,8 @@ static void ResurrectConfirmedKill(unsigned Reg, const TargetRegisterInfo* TRI,
for (const unsigned *SR = TRI->getSubRegisters(KReg); *SR; ++SR) {
DEBUG(dbgs() << " Resurrect subreg " << TRI->getName(*SR) << "\n");
assert(KillOps[*SR] == KillOp && "invalid subreg kill flags");
assert(KillOps[*SR]->getParent() == KillOp->getParent() &&
"invalid subreg kill flags");
KillOps[*SR] = NULL;
RegKills.reset(*SR);
}