Commit 2ac938e6 authored by Tom Stellard's avatar Tom Stellard
Browse files

Merging r243731: 

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r243731 | Matthew.Arsenault | 2015-07-31 00:12:04 -0400 (Fri, 31 Jul 2015) | 2 lines

AMDGPU: Fix v16i32 to v16i8 truncstore

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llvm-svn: 253231
parent 3296a833

llvm/lib/Target/AMDGPU/SIISelLowering.cpp

+1 −0
Original line number Diff line number Diff line
@@ -157,6 +157,7 @@ SITargetLowering::SITargetLowering(TargetMachine &TM, 


  setTruncStoreAction(MVT::i64, MVT::i32, Expand);

  setTruncStoreAction(MVT::v8i32, MVT::v8i16, Expand);

  setTruncStoreAction(MVT::v16i32, MVT::v16i8, Expand);

  setTruncStoreAction(MVT::v16i32, MVT::v16i16, Expand);



  setOperationAction(ISD::LOAD, MVT::i1, Custom);

llvm/test/CodeGen/AMDGPU/trunc-store.ll

0 → 100644
+48 −0
Original line number Diff line number Diff line 
; RUN: llc -march=amdgcn -mcpu=verde -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s

; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s



; FUNC-LABEL: {{^}}truncstore_arg_v16i32_to_v16i8:

; SI: buffer_store_byte

; SI: buffer_store_byte

; SI: buffer_store_byte

; SI: buffer_store_byte

; SI: buffer_store_byte

; SI: buffer_store_byte

; SI: buffer_store_byte

; SI: buffer_store_byte

; SI: buffer_store_byte

; SI: buffer_store_byte

; SI: buffer_store_byte

; SI: buffer_store_byte

; SI: buffer_store_byte

; SI: buffer_store_byte

; SI: buffer_store_byte

; SI: buffer_store_byte

define void @truncstore_arg_v16i32_to_v16i8(<16 x i8> addrspace(1)* %out, <16 x i32> %in) {

  %trunc = trunc <16 x i32> %in to <16 x i8>

  store <16 x i8> %trunc, <16 x i8> addrspace(1)* %out

  ret void

}



; FUNC-LABEL: {{^}}truncstore_arg_v16i64_to_v16i8:

; SI: buffer_store_byte

; SI: buffer_store_byte

; SI: buffer_store_byte

; SI: buffer_store_byte

; SI: buffer_store_byte

; SI: buffer_store_byte

; SI: buffer_store_byte

; SI: buffer_store_byte

; SI: buffer_store_byte

; SI: buffer_store_byte

; SI: buffer_store_byte

; SI: buffer_store_byte

; SI: buffer_store_byte

; SI: buffer_store_byte

; SI: buffer_store_byte

; SI: buffer_store_byte

define void @truncstore_arg_v16i64_to_v16i8(<16 x i8> addrspace(1)* %out, <16 x i64> %in) {

  %trunc = trunc <16 x i64> %in to <16 x i8>

  store <16 x i8> %trunc, <16 x i8> addrspace(1)* %out

  ret void

}