Automerge: [Coverage][Single] Round Counters to boolean after evaluation (#110972)

Rounding in merging segments has been done after #75425.

Depends on: #113114

Author: chapuni

llvm/lib/ProfileData/Coverage/CoverageMapping.cpp

@@ -805,6 +805,7 @@ Error CoverageMapping::loadFunctionRecord(
   else
     OrigFuncName = getFuncNameWithoutPrefix(OrigFuncName, Record.Filenames[0]);
 
+  bool SingleByteCoverage = ProfileReader.hasSingleByteCoverage();
   CounterMappingContext Ctx(Record.Expressions);
 
   std::vector<uint64_t> Counts;
@@ -870,8 +871,10 @@ Error CoverageMapping::loadFunctionRecord(
       consumeError(std::move(E));
       return Error::success();
     }
-    Function.pushRegion(Region, *ExecutionCount, *AltExecutionCount,
-                        ProfileReader.hasSingleByteCoverage());
+    Function.pushRegion(
+        Region, (SingleByteCoverage && *ExecutionCount ? 1 : *ExecutionCount),
+        (SingleByteCoverage && *AltExecutionCount ? 1 : *AltExecutionCount),
+        SingleByteCoverage);
 
     // Record ExpansionRegion.
     if (Region.Kind == CounterMappingRegion::ExpansionRegion) {

llvm/test/tools/llvm-cov/Inputs/branch-logical-mixed.cpp

@@ -4,7 +4,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
-// CHECK: |{{ +}}[[C4:4|1]]|void func(
+// CHECK: | [[#min(C,4)]]|void func(
 void func(int a, int b) {
   bool b0 = a <= b;
   bool b1 = a == b;

llvm/test/tools/llvm-cov/branch-macros.test

@@ -4,7 +4,7 @@
 
 // RUN: yaml2obj %S/Inputs/branch-macros-single.yaml -o %t.o
 // RUN: llvm-profdata merge %S/Inputs/branch-macros-single.proftext -o %t.profdata
-// RUN: llvm-cov show --show-expansions --show-branches=count %t.o -instr-profile %t.profdata -path-equivalence=.,%S/Inputs | FileCheck %S/Inputs/branch-macros.cpp -D#C=999
+// RUN: llvm-cov show --show-expansions --show-branches=count %t.o -instr-profile %t.profdata -path-equivalence=.,%S/Inputs | FileCheck %S/Inputs/branch-macros.cpp -D#C=1
 
 // REPORT:      Name                        Regions    Miss   Cover     Lines    Miss   Cover  Branches    Miss   Cover
 // REPORT-NEXT: ---

llvm/test/tools/llvm-cov/showLineExecutionCounts.test

@@ -46,5 +46,5 @@
 // RUN: yaml2obj %S/Inputs/showLineExecutionCounts-single.yaml -o %t.o
 // RUN: llvm-profdata merge %S/Inputs/showLineExecutionCounts-single.proftext -o %t.profdata
 
-// RUN: llvm-cov show %t.o -instr-profile %t.profdata -path-equivalence=.,%S/Inputs | FileCheck -check-prefixes=TEXT,WHOLE-FILE -D#C=161 -DC16K2=161 -DC16K1=161 %S/Inputs/showLineExecutionCounts.cpp
-// RUN: llvm-cov show %t.o -instr-profile %t.profdata -path-equivalence=.,%S/Inputs -name=main | FileCheck -check-prefixes=TEXT,FILTER -D#C=161 -DC16K2=161 -DC16K1=161 %S/Inputs/showLineExecutionCounts.cpp
+// RUN: llvm-cov show %t.o -instr-profile %t.profdata -path-equivalence=.,%S/Inputs | FileCheck -check-prefixes=TEXT,WHOLE-FILE -D#C=1 -DC16K2=1 -DC16K1=1 %S/Inputs/showLineExecutionCounts.cpp
+// RUN: llvm-cov show %t.o -instr-profile %t.profdata -path-equivalence=.,%S/Inputs -name=main | FileCheck -check-prefixes=TEXT,FILTER -D#C=1 -DC16K2=1 -DC16K1=1 %S/Inputs/showLineExecutionCounts.cpp