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[ms] [llvm-ml] Accept /WX to signal that warnings should be fatal.
Define -fatal-warnings to make warnings fatal, and accept /WX as an ML.EXE compatible alias for it. Also make sure that if Warning() returns true, we always treat it as an error. Reviewed By: thakis Differential Revision: https://reviews.llvm.org/D92504
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@ -4473,8 +4473,9 @@ bool MasmParser::parseDirectiveAlign() {
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return addErrorSuffix(" in align directive");
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// Ignore empty 'align' directives.
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if (getTok().is(AsmToken::EndOfStatement)) {
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Warning(AlignmentLoc, "align directive with no operand is ignored");
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return parseToken(AsmToken::EndOfStatement);
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return Warning(AlignmentLoc,
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"align directive with no operand is ignored") &&
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parseToken(AsmToken::EndOfStatement);
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}
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if (parseAbsoluteExpression(Alignment) ||
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parseToken(AsmToken::EndOfStatement))
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10
test/tools/llvm-ml/hexfloat_error.asm
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10
test/tools/llvm-ml/hexfloat_error.asm
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@ -0,0 +1,10 @@
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; RUN: not llvm-ml -filetype=s %s /WX /Fo /dev/null 2>&1 | FileCheck %s --implicit-check-not=error:
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.data
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; CHECK: :[[# @LINE + 1]]:25: error: MASM-style hex floats ignore explicit sign
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negative_hexfloat REAL4 -3fa66666r
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.code
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END
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12
test/tools/llvm-ml/hexfloat_warn.asm
Normal file
12
test/tools/llvm-ml/hexfloat_warn.asm
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@ -0,0 +1,12 @@
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; RUN: llvm-ml -filetype=s %s /Fo - 2>&1 | FileCheck %s
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.data
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; CHECK: :[[# @LINE + 1]]:25: warning: MASM-style hex floats ignore explicit sign
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negative_hexfloat REAL4 -3fa66666r
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; CHECK-LABEL: negative_hexfloat:
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; CHECK-NEXT: .long 1067869798
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.code
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END
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@ -31,6 +31,8 @@ def bitness : LLVMJoined<"m">, Values<"32,64">,
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HelpText<"Target platform (x86 or x86-64)">;
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def as_lex : LLVMFlag<"as-lex">,
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HelpText<"Lex tokens from a .asm file without assembling">;
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def fatal_warnings : LLVMFlag<"fatal-warnings">,
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HelpText<"Treat warnings as errors">;
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def filetype : LLVMJoined<"filetype=">, Values<"obj,s,null">,
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HelpText<"Emit a file with the given type">;
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def output_att_asm : LLVMFlag<"output-att-asm">,
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@ -68,6 +70,7 @@ def safeseh : MLFlag<"safeseh">,
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def assembly_file : MLJoinedOrSeparate<"Ta">,
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HelpText<"Assemble source file with name not ending with "
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"the .asm extension">;
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def error_on_warning : MLFlag<"WX">, Alias<fatal_warnings>;
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def parse_only : MLFlag<"Zs">, HelpText<"Run a syntax-check only">,
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Alias<filetype>, AliasArgs<["null"]>;
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@ -102,7 +105,6 @@ def listing_title : UnsupportedSeparate<"St">, HelpText<"">;
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def listing_false_conditionals : UnsupportedFlag<"Sx">, HelpText<"">;
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def extra_warnings : UnsupportedFlag<"w">, HelpText<"">;
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def warning_level : UnsupportedJoined<"W">, HelpText<"">;
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def error_on_warning : UnsupportedFlag<"WX">, HelpText<"">;
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def ignore_include_envvar : UnsupportedFlag<"X">, HelpText<"">;
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def line_number_info : UnsupportedFlag<"Zd">, HelpText<"">;
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def export_all_symbols : UnsupportedFlag<"Zf">, HelpText<"">;
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@ -231,6 +231,7 @@ int main(int Argc, char **Argv) {
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MCTargetOptions MCOptions;
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MCOptions.AssemblyLanguage = "masm";
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MCOptions.MCFatalWarnings = InputArgs.hasArg(OPT_fatal_warnings);
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Triple TheTriple = GetTriple(ProgName, InputArgs);
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std::string Error;
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