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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-07-20 21:29:31 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-07-20 21:29:31 +0000 |
| commit | 2ec0cda5d5ede57022eb7dc5e7170f4fa420cb2b (patch) | |
| tree | caf2220e5305521a65d48afd793f2e608a285424 /lib/CodeGen/StackSlotColoring.cpp | |
| parent | 7325f06051bab14196ab3701d515f5b110cefe26 (diff) | |
Avoid folding loads that are unsafe to move.
LiveRangeEdit::foldAsLoad() can eliminate a register by folding a load
into its only use. Only do that when the load is safe to move, and it
won't extend any live ranges.
This fixes PR13414.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160575 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/StackSlotColoring.cpp')
0 files changed, 0 insertions, 0 deletions