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Pierre-vhPierre-vh
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[AMDGPU] Remove Code Object V2 (#65715)
Code Object V2 has been deprecated for more than a year now. We can safely remove it from LLVM. - [clang] Remove support for the `-mcode-object-version=2` option. - [lld] Remove/refactor tests that were still using COV2 - [llvm] Update AMDGPUUsage.rst - Code Object V2 docs are left for informational purposes because those code objects may still be supported by the runtime/loaders for a while. - [AMDGPU] Remove COV2 emission capabilities. - [AMDGPU] Remove `MetadataStreamerYamlV2` which was only used by COV2 - [AMDGPU] Update all tests that were still using COV2 - They are either deleted or ported directly to code object v4 (as v3 is also planned to be removed soon).
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‎clang/include/clang/Basic/TargetOptions.h‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -82,7 +82,7 @@ class TargetOptions {
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/// code object version times 100.
8383
enum CodeObjectVersionKind {
8484
COV_None,
85-
COV_2 = 200,
85+
COV_2 = 200, // Unsupported.
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COV_3 = 300,
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COV_4 = 400,
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COV_5 = 500,

‎clang/include/clang/Driver/Options.td‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -4624,9 +4624,9 @@ defm amdgpu_ieee : BoolOption<"m", "amdgpu-ieee",
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def mcode_object_version_EQ : Joined<["-"], "mcode-object-version=">, Group<m_Group>,
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HelpText<"Specify code object ABI version. Defaults to 4. (AMDGPU only)">,
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Visibility<[ClangOption, CC1Option]>,
4627-
Values<"none,2,3,4,5">,
4627+
Values<"none,3,4,5">,
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NormalizedValuesScope<"TargetOptions">,
4629-
NormalizedValues<["COV_None", "COV_2", "COV_3", "COV_4", "COV_5"]>,
4629+
NormalizedValues<["COV_None", "COV_3", "COV_4", "COV_5"]>,
46304630
MarshallingInfoEnum<TargetOpts<"CodeObjectVersion">, "COV_4">;
46314631

46324632
defm cumode : SimpleMFlag<"cumode",

‎clang/lib/Driver/ToolChains/CommonArgs.cpp‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -2323,7 +2323,7 @@ getAMDGPUCodeObjectArgument(const Driver &D, const llvm::opt::ArgList &Args) {
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23242324
void tools::checkAMDGPUCodeObjectVersion(const Driver &D,
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const llvm::opt::ArgList &Args) {
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const unsigned MinCodeObjVer = 2;
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const unsigned MinCodeObjVer = 3;
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const unsigned MaxCodeObjVer = 5;
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23292329
if (auto *CodeObjArg = getAMDGPUCodeObjectArgument(D, Args)) {

‎clang/test/CodeGenCUDA/amdgpu-code-object-version.cu‎

Lines changed: 0 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -3,9 +3,6 @@
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// RUN: %clang_cc1 -fcuda-is-device -triple amdgcn-amd-amdhsa -emit-llvm \
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// RUN: -o - %s | FileCheck %s -check-prefix=V4
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6-
// RUN: %clang_cc1 -fcuda-is-device -triple amdgcn-amd-amdhsa -emit-llvm \
7-
// RUN: -mcode-object-version=2 -o - %s | FileCheck -check-prefix=V2 %s
8-
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// RUN: %clang_cc1 -fcuda-is-device -triple amdgcn-amd-amdhsa -emit-llvm \
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// RUN: -mcode-object-version=3 -o - %s | FileCheck -check-prefix=V3 %s
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@@ -21,7 +18,6 @@
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// RUN: not %clang_cc1 -fcuda-is-device -triple amdgcn-amd-amdhsa -emit-llvm \
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// RUN: -mcode-object-version=4.1 -o - %s 2>&1| FileCheck %s -check-prefix=INV
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24-
// V2: !{{.*}} = !{i32 1, !"amdgpu_code_object_version", i32 200}
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// V3: !{{.*}} = !{i32 1, !"amdgpu_code_object_version", i32 300}
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// V4: !{{.*}} = !{i32 1, !"amdgpu_code_object_version", i32 400}
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// V5: !{{.*}} = !{i32 1, !"amdgpu_code_object_version", i32 500}

‎clang/test/Driver/hip-code-object-version.hip‎

Lines changed: 10 additions & 13 deletions
Original file line numberDiff line numberDiff line change
@@ -1,15 +1,5 @@
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// REQUIRES: amdgpu-registered-target
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3-
// Check bundle ID for code object v2.
4-
5-
// RUN: not %clang -### --target=x86_64-linux-gnu \
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// RUN: -mcode-object-version=2 \
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// RUN: --offload-arch=gfx906 --rocm-path=%S/Inputs/rocm \
8-
// RUN: %s 2>&1 | FileCheck -check-prefix=V2 %s
9-
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// V2: "-mllvm" "--amdhsa-code-object-version=2"
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// V2: "-targets=host-x86_64-unknown-linux,hip-amdgcn-amd-amdhsa--gfx906"
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// Check bundle ID for code object v3.
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// RUN: not %clang -### --target=x86_64-linux-gnu \
@@ -61,9 +51,16 @@
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// RUN: not %clang -### --target=x86_64-linux-gnu \
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// RUN: -mcode-object-version=1 \
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// RUN: --offload-arch=gfx906 --rocm-path=%S/Inputs/rocm \
64-
// RUN: %s 2>&1 | FileCheck -check-prefix=INVALID %s
65-
// INVALID: error: invalid integral value '1' in '-mcode-object-version=1'
66-
// INVALID-NOT: error: invalid integral value
54+
// RUN: %s 2>&1 | FileCheck -check-prefix=INVALID_1 %s
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// INVALID_1: error: invalid integral value '1' in '-mcode-object-version=1'
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// INVALID_1-NOT: error: invalid integral value
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58+
// RUN: not %clang -### --target=x86_64-linux-gnu \
59+
// RUN: -mcode-object-version=2 \
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// RUN: --offload-arch=gfx906 --rocm-path=%S/Inputs/rocm \
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// RUN: %s 2>&1 | FileCheck -check-prefix=INVALID_2 %s
62+
// INVALID_2: error: invalid integral value '2' in '-mcode-object-version=2'
63+
// INVALID_2-NOT: error: invalid integral value
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// Check LLVM code object version option --amdhsa-code-object-version
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// is passed to -cc1 and -cc1as, and -mcode-object-version is passed

‎lld/test/ELF/Inputs/amdgpu-kernel-0.s‎

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@@ -1,6 +1,5 @@
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.text
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.globl kernel_0
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.align 64
4-
.amdgpu_hsa_kernel kernel_0
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kernel_0:
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s_endpgm

‎lld/test/ELF/Inputs/amdgpu-kernel-1.s‎

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Original file line numberDiff line numberDiff line change
@@ -1,6 +1,5 @@
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.text
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.globl kernel_1
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.align 64
4-
.amdgpu_hsa_kernel kernel_1
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kernel_1:
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s_endpgm

‎lld/test/ELF/amdgpu-abi-version-err.s‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1,6 +1,6 @@
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# REQUIRES: amdgpu
2-
# RUN: llvm-mc -triple amdgcn-amd-amdhsa -mcpu=gfx900 -filetype=obj %s -o %t-0.o
3-
# RUN: llvm-mc -triple amdgcn-amd-amdhsa -mcpu=gfx900 --amdhsa-code-object-version=2 -filetype=obj %s -o %t-1.o
2+
# RUN: llvm-mc -triple amdgcn-amd-amdhsa -mcpu=gfx900 --amdhsa-code-object-version=4 -filetype=obj %s -o %t-0.o
3+
# RUN: llvm-mc -triple amdgcn-amd-amdhsa -mcpu=gfx900 --amdhsa-code-object-version=5 -filetype=obj %s -o %t-1.o
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# RUN: not ld.lld -shared %t-0.o %t-1.o -o /dev/null 2>&1 | FileCheck %s
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# CHECK: ld.lld: error: incompatible ABI version: {{.*}}-1.o

‎lld/test/ELF/amdgpu-elf-flags-err.s‎

Lines changed: 3 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -1,6 +1,6 @@
11
# REQUIRES: amdgpu
2-
# RUN: llvm-mc -triple amdgcn-amd-amdhsa -mcpu=gfx802 --amdhsa-code-object-version=2 -filetype=obj %S/Inputs/amdgpu-kernel-0.s -o %t-0.o
3-
# RUN: llvm-mc -triple amdgcn-amd-amdhsa -mcpu=gfx803 --amdhsa-code-object-version=2 -filetype=obj %S/Inputs/amdgpu-kernel-1.s -o %t-1.o
2+
# RUN: llvm-mc -triple amdgcn-amd-amdhsa -mcpu=gfx802 --amdhsa-code-object-version=4 -filetype=obj %S/Inputs/amdgpu-kernel-0.s -o %t-0.o
3+
# RUN: llvm-mc -triple amdgcn-amd-amdhsa -mcpu=gfx803 --amdhsa-code-object-version=4 -filetype=obj %S/Inputs/amdgpu-kernel-1.s -o %t-1.o
44
# RUN: not ld.lld -shared %t-0.o %t-1.o -o /dev/null 2>&1 | FileCheck %s
55

6-
# CHECK: error: incompatible e_flags: {{.*}}-1.o
6+
# CHECK: error: incompatible mach: {{.*}}-1.o

‎lld/test/ELF/amdgpu-elf-flags.s‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1,6 +1,6 @@
11
# REQUIRES: amdgpu
2-
# RUN: llvm-mc -triple amdgcn-amd-amdhsa -mcpu=gfx803 --amdhsa-code-object-version=2 -filetype=obj %S/Inputs/amdgpu-kernel-0.s -o %t-0.o
3-
# RUN: llvm-mc -triple amdgcn-amd-amdhsa -mcpu=gfx803 --amdhsa-code-object-version=2 -filetype=obj %S/Inputs/amdgpu-kernel-1.s -o %t-1.o
2+
# RUN: llvm-mc -triple amdgcn-amd-amdhsa -mcpu=gfx803 --amdhsa-code-object-version=4 -filetype=obj %S/Inputs/amdgpu-kernel-0.s -o %t-0.o
3+
# RUN: llvm-mc -triple amdgcn-amd-amdhsa -mcpu=gfx803 --amdhsa-code-object-version=4 -filetype=obj %S/Inputs/amdgpu-kernel-1.s -o %t-1.o
44
# RUN: ld.lld -shared %t-0.o %t-1.o -o %t.so
55
# RUN: llvm-readobj --file-headers %t.so | FileCheck --check-prefix=FIRSTLINK %s
66

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