[PATCH] D33455: [AMDGPU] Combine and (srl) into shl (bfe)

[Stanislav Mekhanoshin via Phabricator via llvm-commits]

rampitec marked 2 inline comments as done.
rampitec added inline comments.


================
Comment at: lib/Target/AMDGPU/AMDGPUISelLowering.cpp:3482
+    if ((OffsetVal + WidthVal) >= 32 &&
+        !(Subtarget->getGeneration() >= AMDGPUSubtarget::VOLCANIC_ISLANDS &&
+          OffsetVal == 16 && WidthVal == 16)) {
----------------
arsenm wrote:
> There is an SDWA subtarget feature
AMDGPUSubtarget does not know anything about SDWA, it is in SISubtarget.


Repository:
  rL LLVM

https://reviews.llvm.org/D33455