[PATCH] D15622: AMDGPU: fix overlapping copies in copyPhysReg

[Tom Stellard via llvm-commits]

tstellarAMD added inline comments.

================
Comment at: lib/Target/AMDGPU/SIInstrInfo.cpp:433
@@ +432,3 @@
+    unsigned SubIdx;
+    if (DestReg <= SrcReg)
+      SubIdx = SubIndices[Idx];
----------------
You should use SIRegisterInfo::getHWRegIndex(unsigned Reg) here so we don't have to rely on the order of the enumerations.


http://reviews.llvm.org/D15622