Integrate LLVM at llvm/llvm-project@1e5f29af81a5 (openxla#2358)

Had to update the TOSA tests since all floating point types are now
supported: llvm/llvm-project#91745

WORKSPACE.bazel

@@ -17,9 +17,9 @@ workspace(name = "stablehlo")
 
 load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 
-LLVM_COMMIT = "a6d7828f4c50c1ec7b0b5f61fe59d7a768175dcc"
+LLVM_COMMIT = "1e5f29af81a5f6fda308074f6345b9fba4faa71c"
 
-LLVM_SHA256 = "c09ec3020fb6b136064ff32f53ac07067b0f12ccbf016ac69965e4e38d61a9c0"
+LLVM_SHA256 = "f31b9a08cb74cffd89a0bc87b6a7ef327b54bc67af25e1503683d40817b22f2a"
 
 http_archive(
     name = "llvm-raw",

build_tools/llvm_version.txt

@@ -1 +1 @@
-a6d7828f4c50c1ec7b0b5f61fe59d7a768175dcc
+1e5f29af81a5f6fda308074f6345b9fba4faa71c

stablehlo/conversions/tosa/tests/binary.mlir

@@ -155,7 +155,7 @@ func.func @maximum(%arg0 : tensor<10xf32>, %arg1 : tensor<10xf32>) -> tensor<10x
 
 // CHECK-LABEL: @maximum_f64
 func.func @maximum_f64(%arg0 : tensor<10xf64>, %arg1 : tensor<10xf64>) -> tensor<10xf64> {
-  // CHECK: stablehlo.maximum
+  // CHECK: tosa.maximum
   %0 = "stablehlo.maximum"(%arg0, %arg1) : (tensor<10xf64>, tensor<10xf64>) -> tensor<10xf64>
   return %0 : tensor<10xf64>
 }

stablehlo/conversions/tosa/tests/nullary.mlir

@@ -9,8 +9,7 @@ func.func @constant() -> tensor<10xf32> {
 
 // CHECK-LABEL: @constant_f64
 func.func @constant_f64() -> tensor<10xf64> {
-  // TOSA does not support 64-bit types, so this should not legalize.
-  // CHECK: stablehlo.constant
+  // CHECK: tosa.const
   %0 = stablehlo.constant dense<0.000000e+00> : tensor<10xf64>
   return %0 : tensor<10xf64>
 }