[PATCH] D91701: [AMDGPU] Implement flat scratch init for pal

[Stanislav Mekhanoshin via Phabricator via llvm-commits]

rampitec added inline comments.


================
Comment at: llvm/lib/Target/AMDGPU/SIFrameLowering.cpp:320
+  MBB.addLiveIn(GitPtrLo);
+  BuildMI(MBB, I, DL, SMovB32, TargetLo).addReg(GitPtrLo);
+}
----------------
arsenm wrote:
> sebastian-ne wrote:
> > rampitec wrote:
> > > rampitec wrote:
> > > > .addReg() on the next line.
> > > Isn't this a first subreg def, so this one shall have superreg def?
> > > .addReg() on the next line.
> > 
> > The autoformatter complained about that, shall I do it anyway?
> > 
> > > Isn't this a first subreg def, so this one shall have superreg def?
> > 
> > I’m not sure? In the if-branch, `TargetHi` is defined, in the else-branch the whole `TargetReg` is defined.
> The formatter is stupid and should be ignored
I mean in the final ISA TergetLo will be defined first, so probably it is TargetLo should carry implicit def of the super-reg?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D91701/new/

https://reviews.llvm.org/D91701