[BOLT] Sort EntryData (#143308)

Aggregated branch data has two containers: `Data` for local branches,
and `EntryData` for external branches. Fix the omission and sort
`EntryData` to ensure stable output fdata profiles.

Test Plan: updated pre-aggregated-perf.test

Author: aaupov

bolt/lib/Profile/DataAggregator.cpp

@@ -580,8 +580,10 @@ void DataAggregator::processProfile(BinaryContext &BC) {
     }
   }
 
-  for (auto &FuncBranches : NamesToBranches)
+  for (auto &FuncBranches : NamesToBranches) {
     llvm::stable_sort(FuncBranches.second.Data);
+    llvm::stable_sort(FuncBranches.second.EntryData);
+  }
 
   for (auto &MemEvents : NamesToMemEvents)
     llvm::stable_sort(MemEvents.second.Data);

bolt/test/X86/pre-aggregated-perf.test

@@ -36,26 +36,26 @@ RUN: llvm-bolt %t.exe -p %p/Inputs/pre-aggregated.txt --pa -o %t.null | FileChec
 
 CHECK: BOLT-INFO: 4 out of 7 functions in the binary (57.1%) have non-empty execution profile
 
-RUN: cat %t | sort | FileCheck %s -check-prefix=PERF2BOLT
-RUN: cat %t.new | FileCheck %s -check-prefix=NEWFORMAT
+RUN: FileCheck %s -check-prefix=PERF2BOLT --input-file %t
+RUN: FileCheck %s -check-prefix=NEWFORMAT --input-file %t.new
 
 ## Test --profile-format option with perf2bolt
 RUN: perf2bolt %t.exe -o %t.fdata --pa -p %p/Inputs/pre-aggregated.txt \
 RUN:   --profile-format=fdata
-RUN: cat %t.fdata | sort | FileCheck %s -check-prefix=PERF2BOLT
+RUN: FileCheck %s -check-prefix=PERF2BOLT --input-file %t.fdata
 
 RUN: perf2bolt %t.exe -o %t.yaml --pa -p %p/Inputs/pre-aggregated.txt \
 RUN:   --profile-format=yaml --profile-use-dfs
-RUN: cat %t.yaml | FileCheck %s -check-prefix=NEWFORMAT
+RUN: FileCheck %s -check-prefix=NEWFORMAT --input-file %t.yaml
 
 ## Test --profile-format option with llvm-bolt --aggregate-only
 RUN: llvm-bolt %t.exe -o %t.bolt.fdata --pa -p %p/Inputs/pre-aggregated.txt \
 RUN:   --aggregate-only --profile-format=fdata
-RUN: cat %t.bolt.fdata | sort | FileCheck %s -check-prefix=PERF2BOLT
+RUN: FileCheck %s -check-prefix=PERF2BOLT --input-file %t.bolt.fdata
 
 RUN: llvm-bolt %t.exe -o %t.bolt.yaml --pa -p %p/Inputs/pre-aggregated.txt \
 RUN:   --aggregate-only --profile-format=yaml --profile-use-dfs
-RUN: cat %t.bolt.yaml | FileCheck %s -check-prefix=NEWFORMAT
+RUN: FileCheck %s -check-prefix=NEWFORMAT --input-file %t.bolt.yaml
 
 ## Test pre-aggregated basic profile
 RUN: perf2bolt %t.exe -o %t --pa -p %p/Inputs/pre-aggregated-basic.txt -o %t.ba \
@@ -67,16 +67,17 @@ BASIC-ERROR: BOLT-INFO: 0 out of 7 functions in the binary (0.0%) have non-empty
 BASIC-SUCCESS: BOLT-INFO: 4 out of 7 functions in the binary (57.1%) have non-empty execution profile
 CHECK-BASIC-NL: no_lbr cycles
 
-PERF2BOLT: 0 [unknown] 7f36d18d60c0 1 main 53c 0 2
-PERF2BOLT: 1 main 451 1 SolveCubic 0 0 2
-PERF2BOLT: 1 main 490 0 [unknown] 4005f0 0 1
-PERF2BOLT: 1 main 537 0 [unknown] 400610 0 1
-PERF2BOLT: 1 usqrt 30 1 usqrt 32 0 22
-PERF2BOLT: 1 usqrt 30 1 usqrt 39 4 33
-PERF2BOLT: 1 usqrt 35 1 usqrt 39 0 22
-PERF2BOLT: 1 usqrt 3d 1 usqrt 10 0 58
-PERF2BOLT: 1 usqrt 3d 1 usqrt 3f 0 22
-PERF2BOLT: 1 usqrt a 1 usqrt 10 0 22
+PERF2BOLT: 1 frame_dummy/1 1e 1 frame_dummy/1 0 0 1
+PERF2BOLT-NEXT: 1 main 451 1 SolveCubic 0 0 2
+PERF2BOLT-NEXT: 1 main 490 0 [unknown] 4005f0 0 1
+PERF2BOLT-NEXT: 1 main 537 0 [unknown] 400610 0 1
+PERF2BOLT-NEXT: 0 [unknown] 7f36d18d60c0 1 main 53c 0 2
+PERF2BOLT-NEXT: 1 usqrt a 1 usqrt 10 0 22
+PERF2BOLT-NEXT: 1 usqrt 30 1 usqrt 32 0 22
+PERF2BOLT-NEXT: 1 usqrt 30 1 usqrt 39 4 33
+PERF2BOLT-NEXT: 1 usqrt 35 1 usqrt 39 0 22
+PERF2BOLT-NEXT: 1 usqrt 3d 1 usqrt 10 0 58
+PERF2BOLT-NEXT: 1 usqrt 3d 1 usqrt 3f 0 22
 
 NEWFORMAT:  - name:            'frame_dummy/1'
 NEWFORMAT:    fid:             3