Imported Upstream version 5.18.0.205

Former-commit-id: 7f59f7e792705db773f1caecdaa823092f4e2927

external/llvm/test/tools/llvm-profdata/inline-samples.test

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+Tests for conversion between text and binary encoded sample profiles.
+
+1- Encode the original profile into binary form. All the tests below will use
+   the binary profile.
+RUN: llvm-profdata merge --sample %p/Inputs/inline-samples.afdo -o %t.profbin
+
+2- Show all functions. This profile has a single main() function with several
+   inlined callees.
+RUN: llvm-profdata show --sample %t.profbin | FileCheck %s --check-prefix=SHOW1
+SHOW1: Function: main: 366846, 0, 6 sampled lines
+SHOW1: 2.3: inlined callee: _Z3fool: 246044, 0, 3 sampled lines
+SHOW1:   1.3: inlined callee: _Z3bari: 0, 0, 2 sampled lines
+SHOW1:   1.7: inlined callee: _Z3bari: 99492, 0, 2 sampled lines
+SHOW1:     1.2: 46732
+SHOW1:   1.8: inlined callee: _Z3bari: 0, 0, 2 sampled lines
+
+3- Convert the binary profile to text encoding and check that they are both
+   identical.
+RUN: llvm-profdata merge --sample %t.profbin --text -o - | llvm-profdata show --sample - -o %t-bintext
+RUN: llvm-profdata show --sample %p/Inputs/inline-samples.afdo -o %t-text
+RUN: diff %t-bintext %t-text
+
+4- Merge the binary and text encodings of the profile and check that the
+   counters have doubled.
+RUN: llvm-profdata merge --sample --text %t.profbin %p/Inputs/inline-samples.afdo -o - | FileCheck %s --check-prefix=MERGE1
+RUN: llvm-profdata merge --sample --text - < %t.profbin %p/Inputs/inline-samples.afdo -o - | FileCheck %s --check-prefix=MERGE1
+MERGE1: main:733692:0
+MERGE1: 2.3: 120802
+MERGE1: 2.3: _Z3fool:492088
+MERGE1: 1.7: _Z3bari:198984
+MERGE1: 1.1: 105520