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Commit 9a88593e authored by Tom Stellard's avatar Tom Stellard
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R600/SI: Fix SIRegisterInfo::getPhysRegSubReg() 

Correctly handle special registers: EXEC, EXEC_LO, EXEC_HI, VCC_LO,
VCC_HI, and M0.  The previous implementation would assertion fail
when passed these registers.

llvm-svn: 218349
parent 96468903
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