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Clear the entering, exiting and internal ranges of a bundle before collecting

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ranges for the instruction about to be bundled. This fixes a bug in an external
project where an assertion was triggered due to spurious 'multiple defs' within
the bundle.

Patch by Ivan Llopard. Thanks Ivan!

llvm-svn: 157632
This commit is contained in:
Lang Hames 2012-05-29 18:19:54 +00:00
parent caed2e95b1
commit 953fa2637f
1 changed files with 3 additions and 0 deletions
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3
lib/CodeGen/LiveIntervalAnalysis.cpp
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@ -1097,6 +1097,9 @@ public:
BundleRanges BR = createBundleRanges(Entering, Internal, Exiting);
Entering.clear();
Internal.clear();
Exiting.clear();
collectRanges(MI, Entering, Internal, Exiting, hasRegMaskOp, OldIdx);
assert(!hasRegMaskOp && "Can't have RegMask operand in bundle.");