Integrate LLVM at llvm/llvm-project@78e0cca13507

Updates LLVM usage to match
[78e0cca13507](llvm/llvm-project@78e0cca13507)

PiperOrigin-RevId: 603055188

WORKSPACE

@@ -26,9 +26,9 @@ http_archive(
     ],
 )
 
-LLVM_COMMIT = "8b38970811086b09752a5909d0c17de4d0cd04c3"
+LLVM_COMMIT = "78e0cca135076154abab21eadd146dc1dfd3549f"
 
-LLVM_SHA256 = "7be1eceb43c56f5b02cbaa293cf3213a877f79f9a26f34cc9293f757880d5f2e"
+LLVM_SHA256 = "7447c5000ebc5e6976e496fa55755a209b9e0d82869eea1298da1abcc8c82b41"
 
 http_archive(
     name = "llvm-raw",

build_tools/llvm_version.txt

@@ -1,2 +1,2 @@
-8b38970811086b09752a5909d0c17de4d0cd04c3
+78e0cca135076154abab21eadd146dc1dfd3549f
 

stablehlo/build_tools/llvm_version.txt

@@ -1 +1 @@
-8b38970811086b09752a5909d0c17de4d0cd04c3
+78e0cca135076154abab21eadd146dc1dfd3549f

tests/naive_copy_removal.mlir

@@ -65,9 +65,9 @@ func.func @target_is_subview_of_subview(%arg0: memref<8x8xf32>)
   %subview_5 = memref.subview %alloc_4[0, 0] [%c4, %c4] [1, 1] :
         memref<8x8xf32> to memref<?x?xf32, strided<[8, 1]>>
   %subview_6 = memref.subview %subview_5[0, 0] [%c4, %c4] [1, 1] :
-        memref<?x?xf32, strided<[8, 1]>> to memref<?x?xf32, strided<[?, ?]>>
+        memref<?x?xf32, strided<[8, 1]>> to memref<?x?xf32, strided<[8, 1]>>
   memref.copy %arg0, %subview_6 :
-        memref<8x8xf32> to memref<?x?xf32, strided<[?, ?]>>
+        memref<8x8xf32> to memref<?x?xf32, strided<[8, 1]>>
   return %arg0 : memref<8x8xf32>
 }
 
@@ -79,32 +79,6 @@ func.func @target_is_subview_of_subview(%arg0: memref<8x8xf32>)
 
 // -----
 
-func.func @do_not_simplify_subview_of_subview(%arg0: memref<8x8xf32>)
-                                              -> vector<8x8xf32> {
-  %c4 = arith.constant 4 : index
-  %c0 = arith.constant 0 : index
-  %cst_0 = arith.constant 0.000000e+00 : f32
-  %alloc_4 = memref.alloc() {alignment = 64 : i64} : memref<8x8xf32>
-  %subview_5 = memref.subview %alloc_4[0, 0] [%c4, %c4] [1, 1] :
-        memref<8x8xf32> to memref<?x?xf32, strided<[8, 1]>>
-  %subview_6 = memref.subview %subview_5[0, 0] [%c4, %c4] [1, 1] :
-        memref<?x?xf32, strided<[8, 1]>> to memref<?x?xf32, strided<[?, ?]>>
-  memref.copy %arg0, %subview_6 :
-        memref<8x8xf32> to memref<?x?xf32, strided<[?, ?]>>
-  %27 = vector.transfer_read %subview_5[%c0, %c0], %cst_0 :
-        memref<?x?xf32, strided<[8, 1]>>, vector<8x8xf32>
-  return %27 : vector<8x8xf32>
-}
-
-// CHECK-LABEL: func @do_not_simplify_subview_of_subview(
-
-// CHECK:         memref.alloc
-// CHECK:         memref.subview
-// CHECK:         memref.subview
-// CHECK:         memref.copy
-
-// -----
-
 func.func @do_not_simplify_subview(%arg0: memref<8x8xf32>) -> vector<8x8xf32> {
   %c4 = arith.constant 4 : index
   %c0 = arith.constant 0 : index

tests/vectorize_copy.mlir

@@ -1,7 +1,6 @@
 // RUN: mlir-hlo-opt %s --vectorize-copy --split-input-file | FileCheck %s
 
-func.func @vectorize_copy(%arg: memref<2x2xf32>) -> memref<2x2xf32> {
-  %subview = memref.subview %arg[0, 0] [2, 2] [1, 1] : memref<2x2xf32> to memref<2x2xf32, strided<[16, 1]>>
+func.func @vectorize_copy(%subview: memref<2x2xf32, strided<[16, 1]>>) -> memref<2x2xf32> {
   %alloc = memref.alloc() : memref<2x2xf32>
   memref.copy %subview, %alloc : memref<2x2xf32, strided<[16, 1]>> to memref<2x2xf32>
   return %alloc : memref<2x2xf32>