[PATCH] D141717: [Clang] Only emit textual LLVM-IR in device only mode

Joseph Huber via Phabricator via cfe-commits Tue, 24 Jan 2023 13:12:02 -0800

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rGd50dacd7c3c2: [Clang] Only emit textual LLVM-IR in device 
only mode (authored by jhuber6).


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D141717/new/

https://reviews.llvm.org/D141717

Files:
  clang/lib/Driver/Driver.cpp
  clang/test/Driver/openmp-offload-gpu.c


Index: clang/test/Driver/openmp-offload-gpu.c
===================================================================
--- clang/test/Driver/openmp-offload-gpu.c
+++ clang/test/Driver/openmp-offload-gpu.c
@@ -304,9 +304,16 @@
 // CHECK-IR: "x86_64-unknown-linux-gnu" - "clang", inputs: 
["[[INPUT_IR:.+]]"], output: "[[OBJECT:.+]]"
 // CHECK-IR: "x86_64-unknown-linux-gnu" - "Offload::Linker", inputs: 
["[[OBJECT]]"], output: "a.out"
 
-// RUN:   %clang -### --target=x86_64-unknown-linux-gnu -emit-llvm -S 
-fopenmp=libomp -fopenmp-targets=nvptx64-nvidia-cuda 
-Xopenmp-target=nvptx64-nvidia-cuda -march=sm_52 -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 --offload-device-only \
+// RUN:     -fopenmp-targets=nvptx64-nvidia-cuda 
-Xopenmp-target=nvptx64-nvidia-cuda -march=sm_52 -nogpulib %s 2>&1 \
+// RUN:   | FileCheck %s --check-prefix=CHECK-EMIT-LLVM-IR
 // CHECK-EMIT-LLVM-IR: "-cc1"{{.*}}"-triple" 
"nvptx64-nvidia-cuda"{{.*}}"-emit-llvm"
 
+// RUN:   %clang -### --target=x86_64-unknown-linux-gnu -emit-llvm -S 
-fopenmp=libomp \
+// RUN:     -fopenmp-targets=nvptx64-nvidia-cuda 
-Xopenmp-target=nvptx64-nvidia-cuda -march=sm_52 -nogpulib %s 2>&1 \
+// RUN:   | FileCheck %s --check-prefix=CHECK-EMIT-LLVM-IR-BC
+// CHECK-EMIT-LLVM-IR-BC: "-cc1"{{.*}}"-triple" 
"nvptx64-nvidia-cuda"{{.*}}"-emit-llvm-bc"
+
 // RUN:   %clang -### -fopenmp=libomp -fopenmp-targets=nvptx64-nvidia-cuda 
-Xopenmp-target=nvptx64-nvida-cuda -march=sm_70 \
 // RUN:          
--libomptarget-nvptx-bc-path=%S/Inputs/libomptarget/libomptarget-new-nvptx-test.bc
 \
 // RUN:          -nogpulib %s -o openmp-offload-gpu 2>&1 \
Index: clang/lib/Driver/Driver.cpp
===================================================================
--- clang/lib/Driver/Driver.cpp
+++ clang/lib/Driver/Driver.cpp
@@ -4634,7 +4634,14 @@
                        false) ||
           TargetDeviceOffloadKind == Action::OFK_OpenMP))) {
       types::ID Output =
-          Args.hasArg(options::OPT_S) ? types::TY_LLVM_IR : types::TY_LLVM_BC;
+          Args.hasArg(options::OPT_S) &&
+                  (TargetDeviceOffloadKind == Action::OFK_None ||
+                   offloadDeviceOnly() ||
+                   (TargetDeviceOffloadKind == Action::OFK_HIP &&
+                    !Args.hasFlag(options::OPT_offload_new_driver,
+                                  options::OPT_no_offload_new_driver, false)))
+              ? types::TY_LLVM_IR
+              : types::TY_LLVM_BC;
       return C.MakeAction<BackendJobAction>(Input, Output);
     }
     return C.MakeAction<BackendJobAction>(Input, types::TY_PP_Asm);

Index: clang/test/Driver/openmp-offload-gpu.c
===================================================================
--- clang/test/Driver/openmp-offload-gpu.c
+++ clang/test/Driver/openmp-offload-gpu.c
@@ -304,9 +304,16 @@
 // CHECK-IR: "x86_64-unknown-linux-gnu" - "clang", inputs: ["[[INPUT_IR:.+]]"], output: "[[OBJECT:.+]]"
 // CHECK-IR: "x86_64-unknown-linux-gnu" - "Offload::Linker", inputs: ["[[OBJECT]]"], output: "a.out"
 
-// RUN:   %clang -### --target=x86_64-unknown-linux-gnu -emit-llvm -S -fopenmp=libomp -fopenmp-targets=nvptx64-nvidia-cuda -Xopenmp-target=nvptx64-nvidia-cuda -march=sm_52 -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 --offload-device-only \
+// RUN:     -fopenmp-targets=nvptx64-nvidia-cuda -Xopenmp-target=nvptx64-nvidia-cuda -march=sm_52 -nogpulib %s 2>&1 \
+// RUN:   | FileCheck %s --check-prefix=CHECK-EMIT-LLVM-IR
 // CHECK-EMIT-LLVM-IR: "-cc1"{{.*}}"-triple" "nvptx64-nvidia-cuda"{{.*}}"-emit-llvm"
 
+// RUN:   %clang -### --target=x86_64-unknown-linux-gnu -emit-llvm -S -fopenmp=libomp \
+// RUN:     -fopenmp-targets=nvptx64-nvidia-cuda -Xopenmp-target=nvptx64-nvidia-cuda -march=sm_52 -nogpulib %s 2>&1 \
+// RUN:   | FileCheck %s --check-prefix=CHECK-EMIT-LLVM-IR-BC
+// CHECK-EMIT-LLVM-IR-BC: "-cc1"{{.*}}"-triple" "nvptx64-nvidia-cuda"{{.*}}"-emit-llvm-bc"
+
 // RUN:   %clang -### -fopenmp=libomp -fopenmp-targets=nvptx64-nvidia-cuda -Xopenmp-target=nvptx64-nvida-cuda -march=sm_70 \
 // RUN:          --libomptarget-nvptx-bc-path=%S/Inputs/libomptarget/libomptarget-new-nvptx-test.bc \
 // RUN:          -nogpulib %s -o openmp-offload-gpu 2>&1 \
Index: clang/lib/Driver/Driver.cpp
===================================================================
--- clang/lib/Driver/Driver.cpp
+++ clang/lib/Driver/Driver.cpp
@@ -4634,7 +4634,14 @@
                        false) ||
           TargetDeviceOffloadKind == Action::OFK_OpenMP))) {
       types::ID Output =
-          Args.hasArg(options::OPT_S) ? types::TY_LLVM_IR : types::TY_LLVM_BC;
+          Args.hasArg(options::OPT_S) &&
+                  (TargetDeviceOffloadKind == Action::OFK_None ||
+                   offloadDeviceOnly() ||
+                   (TargetDeviceOffloadKind == Action::OFK_HIP &&
+                    !Args.hasFlag(options::OPT_offload_new_driver,
+                                  options::OPT_no_offload_new_driver, false)))
+              ? types::TY_LLVM_IR
+              : types::TY_LLVM_BC;
       return C.MakeAction<BackendJobAction>(Input, Output);
     }
     return C.MakeAction<BackendJobAction>(Input, types::TY_PP_Asm);

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[PATCH] D141717: [Clang] Only emit textual LLVM-IR in device only mode

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