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| author | Alkis Evlogimenos <alkis@evlogimenos.com> | 2004-02-18 03:35:38 +0000 |
|---|---|---|
| committer | Alkis Evlogimenos <alkis@evlogimenos.com> | 2004-02-18 03:35:38 +0000 |
| commit | 739e5e33d72df8fff8f1f0ec2f7b0fd637432b26 (patch) | |
| tree | 710467e552f5e56d415d07cf400dfcdc489db23b /llvm/lib/CodeGen/LiveIntervals.cpp | |
| parent | 26583db8b6c45a3055b5d2b074039a8557e7df0c (diff) | |
| download | bcm5719-llvm-739e5e33d72df8fff8f1f0ec2f7b0fd637432b26.tar.gz bcm5719-llvm-739e5e33d72df8fff8f1f0ec2f7b0fd637432b26.zip | |
Fix overly conservative spill interval computation.
llvm-svn: 11574
Diffstat (limited to 'llvm/lib/CodeGen/LiveIntervals.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/LiveIntervals.cpp | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/llvm/lib/CodeGen/LiveIntervals.cpp b/llvm/lib/CodeGen/LiveIntervals.cpp index 64925b40bd3..5079ef822ca 100644 --- a/llvm/lib/CodeGen/LiveIntervals.cpp +++ b/llvm/lib/CodeGen/LiveIntervals.cpp @@ -191,10 +191,9 @@ void LiveIntervals::updateSpilledInterval(Interval& li) if (mop.isRegister()) { unsigned reg = mop.getReg(); if (rep(reg) == li.reg) { - if (mop.isUse()) - li.addRange(index, index+2); - else - li.addRange(index+1, index+2); + unsigned start = mop.isUse() ? index : index+1; + unsigned end = mop.isDef() ? index+2 : index+1; + li.addRange(start, end); } } } |
