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author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2013-05-16 18:03:08 +0000 |
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committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2013-05-16 18:03:08 +0000 |
commit | 997fa623fc14122153c58ddda8c90aa30f192cc8 (patch) | |
tree | c9417309d692437447d0ce7c29125b5733149b4c /lib | |
parent | 347a5079e18278803bc05b197d325b8580e95610 (diff) | |
download | llvm-997fa623fc14122153c58ddda8c90aa30f192cc8.tar.gz llvm-997fa623fc14122153c58ddda8c90aa30f192cc8.tar.bz2 llvm-997fa623fc14122153c58ddda8c90aa30f192cc8.tar.xz |
Add TargetRegisterInfo::getCoveringLanes().
This lane mask provides information about which register lanes
completely cover super-registers. See the block comment before
getCoveringLanes().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182034 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
-rw-r--r-- | lib/CodeGen/TargetRegisterInfo.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/CodeGen/TargetRegisterInfo.cpp b/lib/CodeGen/TargetRegisterInfo.cpp index 84b4bfc332..4c21daf07a 100644 --- a/lib/CodeGen/TargetRegisterInfo.cpp +++ b/lib/CodeGen/TargetRegisterInfo.cpp @@ -23,10 +23,12 @@ using namespace llvm; TargetRegisterInfo::TargetRegisterInfo(const TargetRegisterInfoDesc *ID, regclass_iterator RCB, regclass_iterator RCE, const char *const *SRINames, - const unsigned *SRILaneMasks) + const unsigned *SRILaneMasks, + unsigned SRICoveringLanes) : InfoDesc(ID), SubRegIndexNames(SRINames), SubRegIndexLaneMasks(SRILaneMasks), - RegClassBegin(RCB), RegClassEnd(RCE) { + RegClassBegin(RCB), RegClassEnd(RCE), + CoveringLanes(SRICoveringLanes) { } TargetRegisterInfo::~TargetRegisterInfo() {} |