[libclc] Add initial LIT tests

.ci/compute_projects.py

@@ -64,7 +64,6 @@
         "mlir",
         "polly",
         "flang",
-        "libclc",
         "openmp",
     },
 }
@@ -77,7 +76,7 @@
 # This mapping describes runtimes that should be tested when the key project is
 # touched.
 DEPENDENT_RUNTIMES_TO_TEST = {
-    "clang": {"compiler-rt"},
+    "clang": {"compiler-rt", "libclc"},
     "clang-tools-extra": {"libc"},
     "libc": {"libc"},
     "compiler-rt": {"compiler-rt"},
@@ -119,6 +118,7 @@
     "cross-project-tests",
     "flang",
     "libc",
+    "libclc",
     "lldb",
     "openmp",
     "polly",
@@ -142,14 +142,15 @@
     "lld": "check-lld",
     "flang": "check-flang",
     "libc": "check-libc",
+    "libclc": "check-libclc",
     "lld": "check-lld",
     "lldb": "check-lldb",
     "mlir": "check-mlir",
     "openmp": "check-openmp",
     "polly": "check-polly",
 }
 
-RUNTIMES = {"libcxx", "libcxxabi", "libunwind", "compiler-rt", "libc"}
+RUNTIMES = {"libcxx", "libcxxabi", "libunwind", "compiler-rt", "libc", "libclc"}
 
 # Meta projects are projects that need explicit handling but do not reside
 # in their own top level folder. To add a meta project, the start of the path

.ci/compute_projects_test.py

@@ -90,11 +90,12 @@ def test_clang(self):
             "check-clang check-clang-tools",
         )
         self.assertEqual(
-            env_variables["runtimes_to_build"], "compiler-rt;libcxx;libcxxabi;libunwind"
+            env_variables["runtimes_to_build"],
+            "compiler-rt;libclc;libcxx;libcxxabi;libunwind",
         )
         self.assertEqual(
             env_variables["runtimes_check_targets"],
-            "check-compiler-rt",
+            "check-compiler-rt check-libclc",
         )
         self.assertEqual(
             env_variables["runtimes_check_targets_needs_reconfig"],
@@ -115,10 +116,10 @@ def test_clang_windows(self):
         self.assertEqual(
             env_variables["project_check_targets"], "check-clang check-clang-tools"
         )
-        self.assertEqual(env_variables["runtimes_to_build"], "")
+        self.assertEqual(env_variables["runtimes_to_build"], "libclc")
         self.assertEqual(
             env_variables["runtimes_check_targets"],
-            "",
+            "check-libclc",
         )
         self.assertEqual(
             env_variables["runtimes_check_targets_needs_reconfig"],
@@ -165,11 +166,12 @@ def test_cir(self):
             "check-clang check-clang-cir check-clang-tools",
         )
         self.assertEqual(
-            env_variables["runtimes_to_build"], "compiler-rt;libcxx;libcxxabi;libunwind"
+            env_variables["runtimes_to_build"],
+            "compiler-rt;libclc;libcxx;libcxxabi;libunwind",
         )
         self.assertEqual(
             env_variables["runtimes_check_targets"],
-            "check-compiler-rt",
+            "check-compiler-rt check-libclc",
         )
         self.assertEqual(
             env_variables["runtimes_check_targets_needs_reconfig"],
@@ -285,7 +287,7 @@ def test_ci(self):
         )
         self.assertEqual(
             env_variables["projects_to_build"],
-            "bolt;clang;clang-tools-extra;flang;libclc;lld;lldb;llvm;mlir;polly",
+            "bolt;clang;clang-tools-extra;flang;lld;lldb;llvm;mlir;polly",
         )
         self.assertEqual(
             env_variables["project_check_targets"],
@@ -310,7 +312,7 @@ def test_windows_ci(self):
         )
         self.assertEqual(
             env_variables["projects_to_build"],
-            "clang;clang-tools-extra;libclc;lld;llvm;mlir;polly",
+            "clang;clang-tools-extra;lld;llvm;mlir;polly",
         )
         self.assertEqual(
             env_variables["project_check_targets"],
@@ -359,7 +361,7 @@ def test_premerge_workflow(self):
         )
         self.assertEqual(
             env_variables["projects_to_build"],
-            "bolt;clang;clang-tools-extra;flang;libclc;lld;lldb;llvm;mlir;polly",
+            "bolt;clang;clang-tools-extra;flang;lld;lldb;llvm;mlir;polly",
         )
         self.assertEqual(
             env_variables["project_check_targets"],
@@ -394,7 +396,7 @@ def test_third_party_benchmark(self):
         )
         self.assertEqual(
             env_variables["projects_to_build"],
-            "bolt;clang;clang-tools-extra;flang;libclc;lld;lldb;llvm;mlir;polly",
+            "bolt;clang;clang-tools-extra;flang;lld;lldb;llvm;mlir;polly",
         )
         self.assertEqual(
             env_variables["project_check_targets"],

libclc/CMakeLists.txt

@@ -492,3 +492,7 @@ foreach( t ${LIBCLC_TARGETS_TO_BUILD} )
     )
   endforeach( d )
 endforeach( t )
+
+if( NOT LIBCLC_STANDALONE_BUILD )
+  add_subdirectory( test )
+endif()

libclc/test/.clang-format

@@ -0,0 +1 @@
+DisableFormat: true

libclc/test/CMakeLists.txt

@@ -0,0 +1,35 @@
+set( LIBCLC_TEST_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR} )
+
+set( LIBCLC_TEST_TARGETS_ALL
+  amdgcn-mesa-mesa3d
+)
+
+foreach( target IN LISTS LIBCLC_TEST_TARGETS_ALL )
+  # If we haven't built this libclc target, don't build the tests
+  if( NOT TARGET prepare-${target} )
+    message( WARNING "libclc tests require target ${target}. Tests will not be built" )
+    # Add a dummy target
+    add_custom_target( check-libclc )
+    return()
+  endif()
+
+  list( APPEND LIBCLC_TEST_DEPS prepare-${target} )
+endforeach()
+
+list( APPEND LIBCLC_TEST_DEPS
+  ${clang_target}
+  FileCheck
+)
+
+configure_lit_site_cfg(
+  ${CMAKE_CURRENT_SOURCE_DIR}/lit.site.cfg.py.in
+  ${CMAKE_CURRENT_BINARY_DIR}/lit.site.cfg.py
+  MAIN_CONFIG
+  ${CMAKE_CURRENT_SOURCE_DIR}/lit.cfg.py
+)
+
+add_lit_testsuite( check-libclc
+  "Running libclc regression tests"
+  ${CMAKE_CURRENT_BINARY_DIR}
+  DEPENDS ${LIBCLC_TEST_DEPS}
+)

libclc/test/geometric/cross.cl

@@ -0,0 +1,51 @@
+// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 5
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+// RUN: %clang -target amdgcn-mesa-mesa3d -O1 -emit-llvm -S -o - --libclc-lib=tahiti-amdgcn-mesa-mesa3d -fno-builtin --no-offloadlib %s | FileCheck %s
+
+// CHECK-LABEL: define protected amdgpu_kernel void @foo(
+// CHECK-SAME: ptr addrspace(1) noundef align 16 captures(none) [[F:%.*]]) local_unnamed_addr #[[ATTR0:[0-9]+]] !kernel_arg_addr_space [[META6:![0-9]+]] !kernel_arg_access_qual [[META7:![0-9]+]] !kernel_arg_type [[META8:![0-9]+]] !kernel_arg_base_type [[META9:![0-9]+]] !kernel_arg_type_qual [[META10:![0-9]+]] {
+// CHECK-NEXT:  [[ENTRY:.*:]]
+// CHECK-NEXT:    [[TMP0:%.*]] = load <4 x float>, ptr addrspace(1) [[F]], align 16, !tbaa [[TBAA11:![0-9]+]]
+// CHECK-NEXT:    [[ARRAYIDX1_I:%.*]] = getelementptr inbounds nuw i8, ptr addrspace(1) [[F]], i64 16
+// CHECK-NEXT:    [[TMP1:%.*]] = load <4 x float>, ptr addrspace(1) [[ARRAYIDX1_I]], align 16, !tbaa [[TBAA11]]
+// CHECK-NEXT:    [[TMP2:%.*]] = extractelement <4 x float> [[TMP0]], i64 1
+// CHECK-NEXT:    [[TMP3:%.*]] = extractelement <4 x float> [[TMP1]], i64 2
+// CHECK-NEXT:    [[TMP4:%.*]] = extractelement <4 x float> [[TMP0]], i64 2
+// CHECK-NEXT:    [[TMP5:%.*]] = extractelement <4 x float> [[TMP1]], i64 1
+// CHECK-NEXT:    [[TMP6:%.*]] = fneg float [[TMP5]]
+// CHECK-NEXT:    [[NEG_I_I:%.*]] = fmul float [[TMP4]], [[TMP6]]
+// CHECK-NEXT:    [[TMP7:%.*]] = tail call float @llvm.fmuladd.f32(float [[TMP2]], float [[TMP3]], float [[NEG_I_I]])
+// CHECK-NEXT:    [[TMP8:%.*]] = extractelement <4 x float> [[TMP1]], i64 0
+// CHECK-NEXT:    [[TMP9:%.*]] = extractelement <4 x float> [[TMP0]], i64 0
+// CHECK-NEXT:    [[TMP10:%.*]] = fneg float [[TMP3]]
+// CHECK-NEXT:    [[NEG3_I_I:%.*]] = fmul float [[TMP9]], [[TMP10]]
+// CHECK-NEXT:    [[TMP11:%.*]] = tail call float @llvm.fmuladd.f32(float [[TMP4]], float [[TMP8]], float [[NEG3_I_I]])
+// CHECK-NEXT:    [[TMP12:%.*]] = fneg float [[TMP8]]
+// CHECK-NEXT:    [[NEG6_I_I:%.*]] = fmul float [[TMP2]], [[TMP12]]
+// CHECK-NEXT:    [[TMP13:%.*]] = tail call float @llvm.fmuladd.f32(float [[TMP9]], float [[TMP5]], float [[NEG6_I_I]])
+// CHECK-NEXT:    [[TMP14:%.*]] = insertelement <4 x float> <float poison, float poison, float poison, float 0.000000e+00>, float [[TMP7]], i64 0
+// CHECK-NEXT:    [[TMP15:%.*]] = insertelement <4 x float> [[TMP14]], float [[TMP11]], i64 1
+// CHECK-NEXT:    [[VECINIT8_I_I:%.*]] = insertelement <4 x float> [[TMP15]], float [[TMP13]], i64 2
+// CHECK-NEXT:    store <4 x float> [[VECINIT8_I_I]], ptr addrspace(1) [[F]], align 16, !tbaa [[TBAA11]]
+// CHECK-NEXT:    ret void
+//
+__kernel void foo(__global float4 *f) {
+  *f = cross(f[0], f[1]);
+}
+//.
+// CHECK: [[META6]] = !{i32 1}
+// CHECK: [[META7]] = !{!"none"}
+// CHECK: [[META8]] = !{!"float4*"}
+// CHECK: [[META9]] = !{!"float __attribute__((ext_vector_type(4)))*"}
+// CHECK: [[META10]] = !{!""}
+// CHECK: [[TBAA11]] = !{[[META12:![0-9]+]], [[META12]], i64 0}
+// CHECK: [[META12]] = !{!"omnipotent char", [[META13:![0-9]+]], i64 0}
+// CHECK: [[META13]] = !{!"Simple C/C++ TBAA"}
+//.

libclc/test/integer/add_sat.cl

@@ -0,0 +1,32 @@
+// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 5
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+// RUN: %clang -target amdgcn-mesa-mesa3d -O1 -emit-llvm -S -o - --libclc-lib=tahiti-amdgcn-mesa-mesa3d -fno-builtin --no-offloadlib %s | FileCheck %s
+
+// CHECK-LABEL: define protected amdgpu_kernel void @foo(
+// CHECK-SAME: ptr addrspace(1) noundef writeonly align 1 captures(none) initializes((0, 1)) [[A:%.*]], ptr addrspace(1) noundef readonly align 1 captures(none) [[B:%.*]], ptr addrspace(1) noundef readonly align 1 captures(none) [[C:%.*]]) local_unnamed_addr #[[ATTR0:[0-9]+]] !kernel_arg_addr_space [[META6:![0-9]+]] !kernel_arg_access_qual [[META7:![0-9]+]] !kernel_arg_type [[META8:![0-9]+]] !kernel_arg_base_type [[META8]] !kernel_arg_type_qual [[META9:![0-9]+]] {
+// CHECK-NEXT:  [[ENTRY:.*:]]
+// CHECK-NEXT:    [[TMP0:%.*]] = load i8, ptr addrspace(1) [[B]], align 1, !tbaa [[TBAA10:![0-9]+]]
+// CHECK-NEXT:    [[TMP1:%.*]] = load i8, ptr addrspace(1) [[C]], align 1, !tbaa [[TBAA10]]
+// CHECK-NEXT:    [[ELT_SAT_I_I:%.*]] = tail call noundef i8 @llvm.sadd.sat.i8(i8 [[TMP0]], i8 [[TMP1]])
+// CHECK-NEXT:    store i8 [[ELT_SAT_I_I]], ptr addrspace(1) [[A]], align 1, !tbaa [[TBAA10]]
+// CHECK-NEXT:    ret void
+//
+__kernel void foo(__global char *a, __global char *b, __global char *c) {
+  *a = add_sat(*b, *c);
+}
+//.
+// CHECK: [[META6]] = !{i32 1, i32 1, i32 1}
+// CHECK: [[META7]] = !{!"none", !"none", !"none"}
+// CHECK: [[META8]] = !{!"char*", !"char*", !"char*"}
+// CHECK: [[META9]] = !{!"", !"", !""}
+// CHECK: [[TBAA10]] = !{[[META11:![0-9]+]], [[META11]], i64 0}
+// CHECK: [[META11]] = !{!"omnipotent char", [[META12:![0-9]+]], i64 0}
+// CHECK: [[META12]] = !{!"Simple C/C++ TBAA"}
+//.