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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-06-18 22:29:44 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-06-18 22:29:44 +0000 |
| commit | 0465bcffbbffb5ff5f420787b4350cb8abb196f7 (patch) | |
| tree | 0a93caba63fa7bd50f0ab959cd83a4d84e9cb85a /lib/CodeGen/TwoAddressInstructionPass.cpp | |
| parent | 6a5e2832d0a30719602f9befe61f35ab19299de7 (diff) | |
TwoAddressInstructionPass::CoalesceExtSubRegs can insert INSERT_SUBREG
instructions, but it doesn't really understand live ranges, so the first
INSERT_SUBREG uses an implicitly defined register.
Fix it in LiveVariableAnalysis by adding the <undef> flag.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106333 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/TwoAddressInstructionPass.cpp')
0 files changed, 0 insertions, 0 deletions