ProfileData: Add support for the indexed instrprof format

This adds support for an indexed instrumentation based profiling
format, which is just a small header and an on disk hash table.  This
format will be used by clang's -fprofile-instr-use= for PGO.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206656 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 20 insertions, 11 deletions

diff --git a/test/tools/llvm-profdata/errors.test b/test/tools/llvm-profdata/errors.test
index 6ccb084869..50dd798b8d 100644
--- a/test/tools/llvm-profdata/errors.test
+++ b/test/tools/llvm-profdata/errors.test
@@ -5,9 +5,9 @@ RUN: llvm-profdata merge %p/Inputs/overflow.profdata %p/Inputs/overflow.profdata
 OVERFLOW: overflow.profdata: overflow: Counter overflow
 
 RUN: not llvm-profdata show %p/Inputs/invalid-count-later.profdata 2>&1 | FileCheck %s --check-prefix=INVALID-COUNT-LATER
-RUN: not llvm-profdata merge %p/Inputs/invalid-count-later.profdata %p/Inputs/invalid-count-later.profdata 2>&1 | FileCheck %s --check-prefix=INVALID-COUNT-LATER
+RUN: not llvm-profdata merge %p/Inputs/invalid-count-later.profdata %p/Inputs/invalid-count-later.profdata -o /dev/null 2>&1 | FileCheck %s --check-prefix=INVALID-COUNT-LATER
 INVALID-COUNT-LATER: error: {{.*}}invalid-count-later.profdata: Malformed profile data
 
 RUN: not llvm-profdata show %p/Inputs/bad-hash.profdata 2>&1 | FileCheck %s --check-prefix=BAD-HASH
-RUN: not llvm-profdata merge %p/Inputs/bad-hash.profdata %p/Inputs/bad-hash.profdata 2>&1 | FileCheck %s --check-prefix=BAD-HASH
+RUN: not llvm-profdata merge %p/Inputs/bad-hash.profdata %p/Inputs/bad-hash.profdata -o /dev/null 2>&1 | FileCheck %s --check-prefix=BAD-HASH
 BAD-HASH: error: {{.*}}bad-hash.profdata: Malformed profile data
diff --git a/test/tools/llvm-profdata/simple.test b/test/tools/llvm-profdata/simple.test
index 97dda5a676..18741dd2ba 100644
--- a/test/tools/llvm-profdata/simple.test
+++ b/test/tools/llvm-profdata/simple.test
@@ -1,5 +1,7 @@
-RUN: llvm-profdata merge %p/Inputs/foo3-1.profdata %p/Inputs/foo3-2.profdata | llvm-profdata show - -all-functions -counts | FileCheck %s --check-prefix=FOO3
-RUN: llvm-profdata merge %p/Inputs/foo3-2.profdata %p/Inputs/foo3-1.profdata | llvm-profdata show - -all-functions -counts | FileCheck %s --check-prefix=FOO3
+RUN: llvm-profdata merge %p/Inputs/foo3-1.profdata %p/Inputs/foo3-2.profdata -o %t
+RUN: llvm-profdata show %t -all-functions -counts | FileCheck %s --check-prefix=FOO3
+RUN: llvm-profdata merge %p/Inputs/foo3-2.profdata %p/Inputs/foo3-1.profdata -o %t
+RUN: llvm-profdata show %t -all-functions -counts | FileCheck %s --check-prefix=FOO3
 FOO3: foo:
 FOO3: Counters: 3
 FOO3: Function count: 8
@@ -8,8 +10,10 @@ FOO3: Total functions: 1
 FOO3: Maximum function count: 8
 FOO3: Maximum internal block count: 7
 
-RUN: llvm-profdata merge %p/Inputs/foo4-1.profdata %p/Inputs/foo4-2.profdata | llvm-profdata show - -all-functions -counts | FileCheck %s --check-prefix=FOO4
-RUN: llvm-profdata merge %p/Inputs/foo4-2.profdata %p/Inputs/foo4-1.profdata | llvm-profdata show - -all-functions -counts | FileCheck %s --check-prefix=FOO4
+RUN: llvm-profdata merge %p/Inputs/foo4-1.profdata %p/Inputs/foo4-2.profdata -o %t
+RUN: llvm-profdata show %t -all-functions -counts | FileCheck %s --check-prefix=FOO4
+RUN: llvm-profdata merge %p/Inputs/foo4-2.profdata %p/Inputs/foo4-1.profdata -o %t
+RUN: llvm-profdata show %t -all-functions -counts | FileCheck %s --check-prefix=FOO4
 FOO4: foo:
 FOO4: Counters: 4
 FOO4: Function count: 18
@@ -18,8 +22,10 @@ FOO4: Total functions: 1
 FOO4: Maximum function count: 18
 FOO4: Maximum internal block count: 48
 
-RUN: llvm-profdata merge %p/Inputs/foo3bar3-1.profdata %p/Inputs/foo3bar3-2.profdata | llvm-profdata show - -all-functions -counts | FileCheck %s --check-prefix=FOO3BAR3
-RUN: llvm-profdata merge %p/Inputs/foo3bar3-2.profdata %p/Inputs/foo3bar3-1.profdata | llvm-profdata show - -all-functions -counts | FileCheck %s --check-prefix=FOO3BAR3
+RUN: llvm-profdata merge %p/Inputs/foo3bar3-1.profdata %p/Inputs/foo3bar3-2.profdata -o %t
+RUN: llvm-profdata show %t -all-functions -counts | FileCheck %s --check-prefix=FOO3BAR3
+RUN: llvm-profdata merge %p/Inputs/foo3bar3-2.profdata %p/Inputs/foo3bar3-1.profdata -o %t
+RUN: llvm-profdata show %t -all-functions -counts | FileCheck %s --check-prefix=FOO3BAR3
 FOO3BAR3: foo:
 FOO3BAR3: Counters: 3
 FOO3BAR3: Function count: 19
@@ -32,7 +38,8 @@ FOO3BAR3: Total functions: 2
 FOO3BAR3: Maximum function count: 36
 FOO3BAR3: Maximum internal block count: 50
 
-RUN: llvm-profdata merge %p/Inputs/empty.profdata %p/Inputs/foo3-1.profdata | llvm-profdata show - -all-functions -counts | FileCheck %s --check-prefix=FOO3EMPTY
+RUN: llvm-profdata merge %p/Inputs/empty.profdata %p/Inputs/foo3-1.profdata -o %t
+RUN: llvm-profdata show %t -all-functions -counts | FileCheck %s --check-prefix=FOO3EMPTY
 FOO3EMPTY: foo:
 FOO3EMPTY: Counters: 3
 FOO3EMPTY: Function count: 1
@@ -41,7 +48,8 @@ FOO3EMPTY: Total functions: 1
 FOO3EMPTY: Maximum function count: 1
 FOO3EMPTY: Maximum internal block count: 3
 
-RUN: llvm-profdata merge %p/Inputs/foo3-1.profdata %p/Inputs/foo3bar3-1.profdata | llvm-profdata show - -all-functions -counts | FileCheck %s --check-prefix=FOO3FOO3BAR3
+RUN: llvm-profdata merge %p/Inputs/foo3-1.profdata %p/Inputs/foo3bar3-1.profdata -o %t
+RUN: llvm-profdata show %t -all-functions -counts | FileCheck %s --check-prefix=FOO3FOO3BAR3
 FOO3FOO3BAR3: foo:
 FOO3FOO3BAR3: Counters: 3
 FOO3FOO3BAR3: Function count: 3
@@ -54,7 +62,8 @@ FOO3FOO3BAR3: Total functions: 2
 FOO3FOO3BAR3: Maximum function count: 7
 FOO3FOO3BAR3: Maximum internal block count: 13
 
-RUN: llvm-profdata merge %p/Inputs/foo3-1.profdata %p/Inputs/bar3-1.profdata | llvm-profdata show - -all-functions -counts | FileCheck %s --check-prefix=DISJOINT
+RUN: llvm-profdata merge %p/Inputs/foo3-1.profdata %p/Inputs/bar3-1.profdata -o %t
+RUN: llvm-profdata show %t -all-functions -counts | FileCheck %s --check-prefix=DISJOINT
 DISJOINT: foo:
 DISJOINT: Counters: 3
 DISJOINT: Function count: 1