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[SYCL] Fix device code instrumentation #4615

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Merged
merged 14 commits into from
Sep 29, 2021
Merged

[SYCL] Fix device code instrumentation #4615

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d23adc8
[SYCL] Unconditionally enable SPIR ITT annotations
Sep 22, 2021
48327b4
Merge remote-tracking branch 'intel/sycl' into instr-device-code
Sep 23, 2021
fe3becc
Add ITT device libs to the default linkage group
Sep 23, 2021
33d14eb
[SYCL] Skip analysis of ITT annotations for ESIMD intrinsics
Sep 23, 2021
62031ac
Also automatically link with the itt-stubs devicelib
Sep 23, 2021
656f462
Link ALL annotation device libraries. Even the so-called "user-wrappers"
Sep 23, 2021
ad89167
Return to explicit enabling of ITT annotations via CLI
Sep 27, 2021
cb0a1ea
Add ITT device libraries as "internal" when the ITT option is provided
Sep 27, 2021
bbb028c
Add tests for the preceding 2 commits
Sep 27, 2021
f9d4b5b
Merge remote-tracking branch 'intel/sycl' into instr-device-code
Sep 27, 2021
ba04b59
Fix FileCheck regexp for OS-dependent cases
Sep 27, 2021
47e77f2
Add a TODO for devicelib-related refactoring
Sep 28, 2021
657c7b6
Do not instrument ESIMD functions
Sep 28, 2021
fcbf00a
Change argument parsing logic & update test accordingly
Sep 28, 2021
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2 changes: 1 addition & 1 deletion clang/include/clang/Basic/CodeGenOptions.def
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Original file line number Diff line number Diff line change
Expand Up @@ -435,7 +435,7 @@ CODEGENOPT(PassByValueIsNoAlias, 1, 0)
CODEGENOPT(AAPCSBitfieldWidth, 1, 1)

// Whether to instrument SPIR device code with ITT annotations
CODEGENOPT(SPIRITTAnnotations, 1, 0)
CODEGENOPT(SPIRITTAnnotations, 1, 1)

/// Sets the IEEE bit in the expected default floating point mode register.
/// Floating point opcodes that support exception flag gathering quiet and
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12 changes: 3 additions & 9 deletions clang/lib/Driver/ToolChains/Clang.cpp
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Expand Up @@ -4660,6 +4660,9 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
CmdArgs.push_back("-fsycl-allow-func-ptr");
}

if (Triple.isSPIR())
CmdArgs.push_back("-fsycl-instrument-device-code");

if (!SYCLStdArg) {
// The user had not pass SYCL version, thus we'll employ no-sycl-strict
// to allow address-space unqualified pointers in function params/return
Expand Down Expand Up @@ -6404,15 +6407,6 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
// Forward -cl options to -cc1
RenderOpenCLOptions(Args, CmdArgs, InputType);

// Forward -fsycl-instrument-device-code option to cc1. This option can only
// be used with spir triple.
if (Arg *A = Args.getLastArg(options::OPT_fsycl_instrument_device_code)) {
if (!Triple.isSPIR())
D.Diag(diag::err_drv_unsupported_opt_for_target)
<< A->getAsString(Args) << TripleStr;
CmdArgs.push_back("-fsycl-instrument-device-code");
}

if (IsHIP) {
if (Args.hasFlag(options::OPT_fhip_new_launch_api,
options::OPT_fno_hip_new_launch_api, true))
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22 changes: 8 additions & 14 deletions clang/test/Driver/sycl-instrumentation.c
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@@ -1,14 +1,8 @@
/// Check that SPIR ITT instrumentation is disabled by default:
// RUN: %clang -### %s 2>&1 \
// RUN: | FileCheck -check-prefix=CHECK-DEFAULT %s
// CHECK-DEFAULT-NOT: "-fsycl-instrument-device-code"

/// Check if "fsycl_instrument_device_code" is passed to -cc1:
// RUN: %clang -### -fsycl-instrument-device-code %s 2>&1 \
// RUN: | FileCheck -check-prefix=CHECK-ENABLED %s
// CHECK-ENABLED: "-cc1"{{.*}} "-fsycl-instrument-device-code"

/// Check if "fsycl_instrument_device_code" usage with a non-spirv target
/// results in an error.
// RUN: %clang -### -fsycl-instrument-device-code --target=x86 %s 2>&1
// expected-error{{unsupported option '-fsycl-instrument-device-code' for target 'x86_64-unknown-linux-gnu'}}
/// Check if -fsycl-instrument-device-code is passed to device-side -cc1:
// RUN: %clangxx -fsycl -fsycl-targets=spir64 -### %s 2>&1 \
// RUN: | FileCheck -check-prefixes=CHECK-SPIRV,CHECK-HOST %s
// RUN: %clangxx -fsycl -fsycl-targets=nvptx-nvidia-cuda -### %s 2>&1 \
// RUN: | FileCheck -check-prefix=CHECK-NONSPIRV %s
// CHECK-SPIRV: "-cc1"{{.*}} "-fsycl-is-device"{{.*}} "-fsycl-instrument-device-code"
// CHECK-HOST-NOT: "-cc1"{{.*}} "-fsycl-is-host"{{.*}} "-fsycl-instrument-device-code"
// CHECK-NONSPIRV-NOT: "-fsycl-instrument-device-code"