LTO support for -fsave-optimization-record on Darwin
I guess this would have to be added for each linker. Differential Revision: https://reviews.llvm.org/D26833 llvm-svn: 287358
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@ -8416,6 +8416,19 @@ void darwin::Linker::ConstructJob(Compilation &C, const JobAction &JA,
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// we follow suite for ease of comparison.
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AddLinkArgs(C, Args, CmdArgs, Inputs);
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// For LTO, pass the name of the optimization record file.
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if (Args.hasFlag(options::OPT_fsave_optimization_record,
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options::OPT_fno_save_optimization_record, false)) {
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CmdArgs.push_back("-mllvm");
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CmdArgs.push_back("-pass-remarks-output");
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CmdArgs.push_back("-mllvm");
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SmallString<128> F;
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F = Output.getFilename();
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F += ".opt.yaml";
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CmdArgs.push_back(Args.MakeArgString(F));
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}
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// It seems that the 'e' option is completely ignored for dynamic executables
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// (the default), and with static executables, the last one wins, as expected.
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Args.AddAllArgs(CmdArgs, {options::OPT_d_Flag, options::OPT_s, options::OPT_t,
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@ -327,3 +327,12 @@
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// LINK_VERSION_DIGITS: invalid version number in '-mlinker-version=133.3.0.1.2.6'
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// LINK_VERSION_DIGITS: invalid version number in '-mlinker-version=133.3.0.1.a'
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// LINK_VERSION_DIGITS: invalid version number in '-mlinker-version=133.3.0.1a'
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// Check that we're passing -pass-remarks-output for LTO
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// RUN: %clang -target x86_64-apple-darwin12 %t.o -fsave-optimization-record -### -o foo/bar.out 2> %t.log
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// RUN: FileCheck -check-prefix=PASS_REMARKS_OUTPUT %s < %t.log
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// PASS_REMARKS_OUTPUT: "-mllvm" "-pass-remarks-output" "-mllvm" "foo/bar.out.opt.yaml"
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// RUN: %clang -target x86_64-apple-darwin12 %t.o -fsave-optimization-record -### 2> %t.log
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// RUN: FileCheck -check-prefix=PASS_REMARKS_OUTPUT_NO_O %s < %t.log
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// PASS_REMARKS_OUTPUT_NO_O: "-mllvm" "-pass-remarks-output" "-mllvm" "a.out.opt.yaml"
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