[llvm] b6e19b3 - [NVPTX] Fix crash in libc gpu after db5d845 (#65579)

[via llvm-commits]

Author: Thomas
Date: 2023-09-07T01:06:27-07:00
New Revision: b6e19b35cd87f3167a0f04a61a12016b935ab1ea

URL: https://github.com/llvm/llvm-project/commit/b6e19b35cd87f3167a0f04a61a12016b935ab1ea
DIFF: https://github.com/llvm/llvm-project/commit/b6e19b35cd87f3167a0f04a61a12016b935ab1ea.diff

LOG: [NVPTX] Fix crash in libc gpu after db5d845 (#65579)

Added: 
    

Modified: 
    llvm/lib/Target/NVPTX/NVPTXISelLowering.cpp

Removed: 
    


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diff  --git a/llvm/lib/Target/NVPTX/NVPTXISelLowering.cpp b/llvm/lib/Target/NVPTX/NVPTXISelLowering.cpp
index 89668611ac9ce3..b11c381158a119 100644
--- a/llvm/lib/Target/NVPTX/NVPTXISelLowering.cpp
+++ b/llvm/lib/Target/NVPTX/NVPTXISelLowering.cpp
@@ -586,6 +586,11 @@ NVPTXTargetLowering::NVPTXTargetLowering(const NVPTXTargetMachine &TM,
     setTruncStoreAction(VT, MVT::i1, Expand);
   }
 
+  // expand extload of vector of integers.
+  setLoadExtAction({ISD::EXTLOAD, ISD::SEXTLOAD, ISD::ZEXTLOAD}, MVT::v2i16,
+                   MVT::v2i8, Expand);
+  setTruncStoreAction(MVT::v2i16, MVT::v2i8, Expand);
+
   // This is legal in NVPTX
   setOperationAction(ISD::ConstantFP, MVT::f64, Legal);
   setOperationAction(ISD::ConstantFP, MVT::f32, Legal);