diff options
author | Owen Anderson <resistor@mac.com> | 2008-07-23 19:47:27 +0000 |
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committer | Owen Anderson <resistor@mac.com> | 2008-07-23 19:47:27 +0000 |
commit | 7c800ad977248601263bec5ac46969ddabf1535f (patch) | |
tree | f895db3916a2fc836c6fcf7c6328c0dbd0d6c845 /llvm/lib/CodeGen/SimpleRegisterCoalescing.cpp | |
parent | ae187c6ebadd1146a4bdf4a12217e80d45073a23 (diff) |
Fix a compile-time regression introduced by my heuristic-changing patch. I forgot
to multiply the instruction count by a constant factor in a few places, which
caused the register allocator to require many more iterations.
llvm-svn: 53959
Diffstat (limited to 'llvm/lib/CodeGen/SimpleRegisterCoalescing.cpp')
-rw-r--r-- | llvm/lib/CodeGen/SimpleRegisterCoalescing.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/SimpleRegisterCoalescing.cpp b/llvm/lib/CodeGen/SimpleRegisterCoalescing.cpp index 29e634b477d1..68be3e111fb2 100644 --- a/llvm/lib/CodeGen/SimpleRegisterCoalescing.cpp +++ b/llvm/lib/CodeGen/SimpleRegisterCoalescing.cpp @@ -2196,7 +2196,7 @@ bool SimpleRegisterCoalescing::runOnMachineFunction(MachineFunction &fn) { // Divide the weight of the interval by its size. This encourages // spilling of intervals that are large and have few uses, and // discourages spilling of small intervals with many uses. - LI.weight /= li_->getApproximateInstructionCount(LI); + LI.weight /= li_->getApproximateInstructionCount(LI) * InstrSlots::NUM; } } |