diff options
author | Dimitry Andric <dim@FreeBSD.org> | 2017-07-19 07:02:10 +0000 |
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committer | Dimitry Andric <dim@FreeBSD.org> | 2017-07-19 07:02:10 +0000 |
commit | 93c91e39b29142dec1d03a30df9f6e757f56c193 (patch) | |
tree | 33a9b014a327e64450b3c9ed46d8c5bdb78ad345 /lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp | |
parent | ca089b24d48ef6fa8da2d0bb8c25bb802c4a95c0 (diff) |
Notes
Diffstat (limited to 'lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp')
-rw-r--r-- | lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp | 18 |
1 files changed, 2 insertions, 16 deletions
diff --git a/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp b/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp index 26515b27bb77d..67ad904ca9723 100644 --- a/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp +++ b/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp @@ -539,23 +539,9 @@ bool isSGPR(unsigned Reg, const MCRegisterInfo* TRI) { } bool isRegIntersect(unsigned Reg0, unsigned Reg1, const MCRegisterInfo* TRI) { - - if (Reg0 == Reg1) { - return true; + for (MCRegAliasIterator R(Reg0, TRI, true); R.isValid(); ++R) { + if (*R == Reg1) return true; } - - unsigned SubReg0 = TRI->getSubReg(Reg0, 1); - if (SubReg0 == 0) { - return TRI->getSubRegIndex(Reg1, Reg0) > 0; - } - - for (unsigned Idx = 2; SubReg0 > 0; ++Idx) { - if (isRegIntersect(Reg1, SubReg0, TRI)) { - return true; - } - SubReg0 = TRI->getSubReg(Reg0, Idx); - } - return false; } |