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Add parsing of OpenCL C++ -cl-std flags #328

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Add parsing of OpenCL C++ -cl-std flags #328

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54 changes: 36 additions & 18 deletions IGC/OCLFE/igd_fcl_mcl/source/clang_tb.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -771,34 +771,49 @@ namespace TC

const char * optValue = optSubstring + optName.size();
const char * end = optValue + strlen(optValue);
std::string_view opt(optValue, end - optValue);

// parse
const std::string invalidFormatMessage = "Invalid format of -cl-std option, expected -cl-std=CLMAJOR.MINOR";
auto isNumeric = [](char v) { return (v >= '0') && (v <= '9'); };
if (false == ((end - optValue >= 5) && (optValue[0] == 'C') && (optValue[1] == 'L') && isNumeric(optValue[2])
&& (optValue[3] == '.') && isNumeric(optValue[4])
)
) {
exceptString = invalidFormatMessage;
return 0;
}

unsigned int retVersion = 0;
// subverions
if ((end - optValue >= 7) && (optValue[5] != ' ')) {
if ((optValue[5] == '.') || isNumeric(optValue[6])) {
retVersion += optValue[6] - '0';
if (opt.find("CLC++") == 0) {
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Here we should define invalidFormatMessage with appropriate msg for CLC++

Suggested change
if (opt.find("CLC++") == 0) {
if (opt.find("CLC++") == 0) {
const std::string invalidFormatMessage = "Invalid format of -cl-std option, expected -cl-std=CLC++, -cl-std=CLC++1.0, or -cl-std=CLC++2021";

if (opt == "CLC++" || opt == "CLC++1.0") {
retVersion = 200;
}
else if (isNumeric(optValue[5])) {
retVersion += optValue[5] - '0';
else if (opt == "CLC++2021") {
retVersion = 300;
}
else {
const std::string invalidFormatMessage = "Invalid format of -cl-std option, expected -cl-std=CLC++, -cl-std=CLC++1.0, or -cl-std=CLC++2021";
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and here we need to assign invalidFormatMessage to the exceptString and return 0.

Suggested change
const std::string invalidFormatMessage = "Invalid format of -cl-std option, expected -cl-std=CLC++, -cl-std=CLC++1.0, or -cl-std=CLC++2021";
exceptString = invalidFormatMessage;
return 0;

}
}
else
{
const std::string invalidFormatMessage = "Invalid format of -cl-std option, expected -cl-std=CLMAJOR.MINOR";
auto isNumeric = [](char v) { return (v >= '0') && (v <= '9'); };
if (false == ((end - optValue >= 5) && (optValue[0] == 'C') && (optValue[1] == 'L') && isNumeric(optValue[2])
&& (optValue[3] == '.') && isNumeric(optValue[4])
)
) {
exceptString = invalidFormatMessage;
return 0;
}
}

retVersion += 100 * (optValue[2] - '0') + 10 * (optValue[4] - '0');
// subverions
if ((end - optValue >= 7) && (optValue[5] != ' ')) {
if ((optValue[5] == '.') || isNumeric(optValue[6])) {
retVersion += optValue[6] - '0';
}
else if (isNumeric(optValue[5])) {
retVersion += optValue[5] - '0';
}
else {
exceptString = invalidFormatMessage;
return 0;
}
}

retVersion += 100 * (optValue[2] - '0') + 10 * (optValue[4] - '0');
}

if (validate == false) {
return retVersion;
Expand Down Expand Up @@ -1317,6 +1332,9 @@ namespace TC
(strcmp(pParam, "-cl-std=CL2.0") == 0) ||
(strcmp(pParam, "-cl-std=CL2.1") == 0) ||
(strcmp(pParam, "-cl-std=CL3.0") == 0) ||
(strcmp(pParam, "-cl-std=CLC++") == 0) ||
(strcmp(pParam, "-cl-std=CLC++1.0") == 0) ||
(strcmp(pParam, "-cl-std=CLC++2021") == 0) ||
(strcmp(pParam, "-cl-uniform-work-group-size") == 0) || //it's work only for OCL version greater than 1.2
(strcmp(pParam, "-cl-kernel-arg-info") == 0) ||
(strncmp(pParam, "-x", 2) == 0) ||
Expand Down