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llvm-mirror/test/tools/llvm-profdata/roundtrip.test
Richard Smith 523811b4d4 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 01:34:45 +00:00

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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