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llvm-project/llvm/test/tools/llvm-profdata/roundtrip.test

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Make llvm-profdata show -text work as advertised in the documentation. Per LLVM's CommandGuide, llvm-profdata show -text is supposed to produce textual output that can be passed as input to further llvm-profdata invocations. This previously didn't work for two reasons: 1) -text was not sufficient to enable the machine-readable text format output; instead, -text was effectively ignored if -counts was not also specified. (With this patch, -counts is instead ignored if -text is specified, because the machine-readable text format always includes counts.) 2) When the input data was an IR-level profile, the :ir marker was missing from the output, resulting in a text format output that would not be usable as profiling data due to function hash mismatches. Differential Revision: https://reviews.llvm.org/D51188 llvm-svn: 340592
2018-08-24 09:34:45 +08:00
RUN: llvm-profdata merge -o %t.0.profdata %S/Inputs/IR_profile.proftext
RUN: llvm-profdata show -o %t.0.proftext -all-functions -text %t.0.profdata
RUN: diff %t.0.proftext %S/Inputs/IR_profile.proftext
RUN: llvm-profdata merge -o %t.1.profdata %t.0.proftext
RUN: llvm-profdata show -o %t.1.proftext -all-functions -text %t.1.profdata
RUN: diff %t.1.proftext %S/Inputs/IR_profile.proftext