intel/llvm
1
0
Fork 0
mirror of https://github.com/intel/llvm.git synced 2026-01-27 06:06:34 +08:00
Code Issues Packages Projects Releases Wiki Activity

RegisterPressure: Improve assert message

Browse Source 
llvm-svn: 251885
This commit is contained in:
Matthias Braun
2015-11-03 01:53:36 +00:00
parent 11859b5c8f
commit 6f4ed269b9
1 changed files with 2 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
llvm/lib/CodeGen/RegisterPressure.cpp
View File

@@ -862,7 +862,8 @@ getUpwardPressureDelta(const MachineInstr *MI, /*const*/ PressureDiff &PDiff,
unsigned MNew = MOld;
// Ignore DeadDefs here because they aren't captured by PressureChange.
unsigned PNew = POld + PDiffI->getUnitInc();
assert((PDiffI->getUnitInc() >= 0) == (PNew >= POld) && "PSet overflow");
assert((PDiffI->getUnitInc() >= 0) == (PNew >= POld)
&& "PSet overflow/underflow");
if (PNew > MOld)
MNew = PNew;
// Check if current pressure has exceeded the limit.