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make sure to handle dbg_value instructions in the middle of the block, not 

just at the head, when doing diamond if-conversion. rdar://7797940

llvm-svn: 106907
This commit is contained in:
Jim Grosbach 2010-06-25 23:05:46 +00:00
parent 4530fed87e
commit c34befc78f
1 changed files with 10 additions and 2 deletions
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12
llvm/lib/CodeGen/IfConversion.cpp
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@ -1228,10 +1228,18 @@ bool IfConverter::IfConvertDiamond(BBInfo &BBI, IfcvtKind Kind,
++DI2;
BBI1->NonPredSize -= NumDups1;
BBI2->NonPredSize -= NumDups1;
while (NumDups1 != 0) {
// Skip past the dups on each side separately since there may be
// differing dbg_value entries.
for (unsigned i = 0; i < NumDups1; ++i) {
++DI1;
if (!DI1->isDebugValue())
++i;
}
while (NumDups1 != 0) {
++DI2;
--NumDups1;
if (!DI2->isDebugValue())
--NumDups1;
}
UpdatePredRedefs(BBI1->BB->begin(), DI1, Redefs, TRI);