Integrate LLVM at llvm/llvm-project@3ef78188d0d3

Updates LLVM usage to match
[3ef78188d0d3](llvm/llvm-project@3ef78188d0d3)

PiperOrigin-RevId: 711765723

third_party/llvm/generated.patch

@@ -1 +1,53 @@
 Auto generated patch. Do not edit or delete it, even if empty.
+diff -ruN --strip-trailing-cr a/clang/test/Driver/spirv-openmp-toolchain.c b/clang/test/Driver/spirv-openmp-toolchain.c
+--- a/clang/test/Driver/spirv-openmp-toolchain.c
++++ b/clang/test/Driver/spirv-openmp-toolchain.c
+@@ -9,7 +9,7 @@
+ // CHECK: "-cc1" "-triple" "x86_64-unknown-linux-gnu"{{.*}}"-emit-obj"
+ // CHECK: clang-linker-wrapper{{.*}} "-o" "a.out"
+
+-// RUN: %clang -ccc-print-phases --target=x86_64-unknown-linux-gnu -fopenmp -fopenmp-targets=spirv64-intel %s 2>&1 \
++// RUN: %clang -ccc-print-phases --target=x86_64-unknown-linux-gnu -fopenmp=libomp -fopenmp-targets=spirv64-intel %s 2>&1 \
+ // RUN: | FileCheck --check-prefix=CHECK-PHASES %s
+
+ // CHECK-PHASES: 0: input, "[[INPUT:.+]]", c, (host-openmp)
+@@ -28,8 +28,8 @@
+ // CHECK-PHASES: 13: assembler, {12}, object, (host-openmp)
+ // CHECK-PHASES: 14: clang-linker-wrapper, {13}, image, (host-openmp)
+
+-// RUN: %clang -### --target=x86_64-unknown-linux-gnu -ccc-print-bindings -fopenmp -fopenmp-targets=spirv64-intel -nogpulib %s 2>&1 | FileCheck %s --check-prefix=CHECK-BINDINGS
+-// RUN: %clang -### --target=x86_64-unknown-linux-gnu -ccc-print-bindings -fopenmp -fopenmp-targets=spirv64-intel -nogpulib %s 2>&1 | FileCheck %s --check-prefix=CHECK-BINDINGS
++// RUN: %clang -### --target=x86_64-unknown-linux-gnu -ccc-print-bindings -fopenmp=libomp -fopenmp-targets=spirv64-intel -nogpulib %s 2>&1 | FileCheck %s --check-prefix=CHECK-BINDINGS
++// RUN: %clang -### --target=x86_64-unknown-linux-gnu -ccc-print-bindings -fopenmp=libomp -fopenmp-targets=spirv64-intel -nogpulib %s 2>&1 | FileCheck %s --check-prefix=CHECK-BINDINGS
+
+ // CHECK-BINDINGS: "x86_64-unknown-linux-gnu" - "clang", inputs: ["[[INPUT:.+]]"], output: "[[HOST_BC:.+]]"
+ // CHECK-BINDINGS: "spirv64-intel" - "clang", inputs: ["[[INPUT]]", "[[HOST_BC]]"], output: "[[DEVICE_TEMP_BC:.+]]"
+@@ -38,8 +38,8 @@
+ // CHECK-BINDINGS: "x86_64-unknown-linux-gnu" - "clang", inputs: ["[[HOST_BC]]", "[[DEVICE_IMAGE]]"], output: "[[HOST_OBJ:.+]]"
+ // CHECK-BINDINGS: "x86_64-unknown-linux-gnu" - "Offload::Linker", inputs: ["[[HOST_OBJ]]"], output: "a.out"
+
+-// RUN: %clang -### --target=x86_64-unknown-linux-gnu -ccc-print-bindings -save-temps -fopenmp -fopenmp-targets=spirv64-intel -nogpulib %s 2>&1 | FileCheck %s --check-prefix=CHECK-BINDINGS-TEMPS
+-// RUN: %clang -### --target=x86_64-unknown-linux-gnu -ccc-print-bindings -save-temps -fopenmp -fopenmp-targets=spirv64-intel %s 2>&1 | FileCheck %s --check-prefix=CHECK-BINDINGS-TEMPS
++// RUN: %clang -### --target=x86_64-unknown-linux-gnu -ccc-print-bindings -save-temps -fopenmp=libomp -fopenmp-targets=spirv64-intel -nogpulib %s 2>&1 | FileCheck %s --check-prefix=CHECK-BINDINGS-TEMPS
++// RUN: %clang -### --target=x86_64-unknown-linux-gnu -ccc-print-bindings -save-temps -fopenmp=libomp -fopenmp-targets=spirv64-intel %s 2>&1 | FileCheck %s --check-prefix=CHECK-BINDINGS-TEMPS
+ // CHECK-BINDINGS-TEMPS: "x86_64-unknown-linux-gnu" - "clang", inputs: ["[[INPUT:.+]]"], output: "[[HOST_PP:.+]]"
+ // CHECK-BINDINGS-TEMPS: "x86_64-unknown-linux-gnu" - "clang", inputs: ["[[HOST_PP]]"], output: "[[HOST_BC:.+]]"
+ // CHECK-BINDINGS-TEMPS: "spirv64-intel" - "clang", inputs: ["[[INPUT]]"], output: "[[DEVICE_PP:.+]]"
+@@ -51,14 +51,14 @@
+ // CHECK-BINDINGS-TEMPS: "x86_64-unknown-linux-gnu" - "clang::as", inputs: ["[[HOST_ASM]]"], output: "[[HOST_OBJ:.+]]"
+ // CHECK-BINDINGS-TEMPS: "x86_64-unknown-linux-gnu" - "Offload::Linker", inputs: ["[[HOST_OBJ]]"], output: "a.out"
+
+-// RUN: %clang -### --target=x86_64-unknown-linux-gnu -emit-llvm -S -fopenmp -fopenmp-targets=spirv64-intel -nogpulib %s 2>&1 | FileCheck %s --check-prefix=CHECK-EMIT-LLVM-IR
++// RUN: %clang -### --target=x86_64-unknown-linux-gnu -emit-llvm -S -fopenmp=libomp -fopenmp-targets=spirv64-intel -nogpulib %s 2>&1 | FileCheck %s --check-prefix=CHECK-EMIT-LLVM-IR
+ // CHECK-EMIT-LLVM-IR: "-cc1" "-triple" "spirv64-intel"{{.*}}"-emit-llvm-bc"
+
+-// RUN: %clang -### --target=x86_64-unknown-linux-gnu -fopenmp -fopenmp-targets=spirv64-intel \
++// RUN: %clang -### --target=x86_64-unknown-linux-gnu -fopenmp=libomp -fopenmp-targets=spirv64-intel \
+ // RUN: --sysroot=%S/Inputs/spirv-openmp/ %s 2>&1 | FileCheck --check-prefix=CHECK-GPULIB %s
+ // CHECK-GPULIB: "-cc1" "-triple" "spirv64-intel"{{.*}}"-mlink-builtin-bitcode" "{{.*}}libomptarget-spirv64.bc"
+
+-// RUN: not %clang -### --target=x86_64-unknown-linux-gnu -fopenmp --offload-arch=spirv64-intel \
++// RUN: not %clang -### --target=x86_64-unknown-linux-gnu -fopenmp=libomp --offload-arch=spirv64-intel \
+ // RUN:        --libomptarget-spirv-bc-path=%t/ -nogpulib %s 2>&1 \
+ // RUN: | FileCheck %s --check-prefix=CHECK-OFFLOAD-ARCH-ERROR
+ // CHECK-OFFLOAD-ARCH-ERROR: error: failed to deduce triple for target architecture 'spirv64-intel'; specify the triple using '-fopenmp-targets' and '-Xopenmp-target' instead

third_party/llvm/workspace.bzl

@@ -4,8 +4,8 @@ load("//third_party:repo.bzl", "tf_http_archive")
 
 def repo(name):
     """Imports LLVM."""
-    LLVM_COMMIT = "f739aa4004165dc64d3a1f418d5ad3c84886f01a"
-    LLVM_SHA256 = "85da134e7ba044ef50ebc009d1a57a87fb0e2db208a04650ef2fe564e9564aa7"
+    LLVM_COMMIT = "3ef78188d0d39cd00429f77f1b300be9bdf85770"
+    LLVM_SHA256 = "3c8263272c72c53bdc8db53b8b2c4d3731cc1661964b9923a7c86dca0f8bd6f2"
 
     tf_http_archive(
         name = name,