[NFC][NVPTX] Remove use of MachineInstr prior to ISel

[justinfargnoli]

Delete dead code that checks for NVPTX::IMOV16rr.

[llvmbot]

@llvm/pr-subscribers-backend-nvptx

Author: Justin Fargnoli (justinfargnoli)

Changes

Delete dead code that checks for NVPTX::IMOV16rr.

---

Full diff: https://github.com/llvm/llvm-project/pull/114913.diff

1 Files Affected:

• (modified) llvm/lib/Target/NVPTX/NVPTXISelLowering.cpp (-4)

diff --git a/llvm/lib/Target/NVPTX/NVPTXISelLowering.cpp b/llvm/lib/Target/NVPTX/NVPTXISelLowering.cpp
index d32be9cd9bf7c0..8e73efd013fa88 100644
--- a/llvm/lib/Target/NVPTX/NVPTXISelLowering.cpp
+++ b/llvm/lib/Target/NVPTX/NVPTXISelLowering.cpp
@@ -5602,10 +5602,6 @@ static SDValue PerformANDCombine(SDNode *N,
     Val = Val->getOperand(0);
   }
 
-  if (Val->isMachineOpcode() && Val->getMachineOpcode() == NVPTX::IMOV16rr) {
-    Val = Val->getOperand(0);
-  }
-
   if (Val->getOpcode() == NVPTXISD::LoadV2 ||
       Val->getOpcode() == NVPTXISD::LoadV4) {
     ConstantSDNode *MaskCnst = dyn_cast<ConstantSDNode>(Mask);

[AlexMaclean]

LGTM, thanks