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[IRPGO] Set the function entry count metadata. 

llvm-svn: 271090
This commit is contained in:
Sean Silva 2016-05-28 03:02:54 +00:00
parent 2a73019f3e
commit 7884633c5b
2 changed files with 4 additions and 0 deletions
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1
llvm/lib/Transforms/Instrumentation/PGOInstrumentation.cpp
View File

@ -870,6 +870,7 @@ static bool annotateAllFunctions(
auto *BFI = LookupBFI(F);
PGOUseFunc Func(F, &M, BPI, BFI);
setPGOCountOnFunc(Func, PGOReader.get());
F.setEntryCount(Func.EntryCount);
if (!Func.getProfileRecord().Counts.empty())
Builder.addRecord(Func.getProfileRecord());

3
llvm/test/Transforms/PGOProfile/branch1.ll
View File

@ -21,6 +21,8 @@ target triple = "x86_64-unknown-linux-gnu"
; GEN: @__profn_test_br_1 = private constant [9 x i8] c"test_br_1"
define i32 @test_br_1(i32 %i) {
; USE-LABEL: @test_br_1
; USE-SAME: !prof ![[FUNC_ENTRY_COUNT:[0-9]+]]
entry:
; GEN: entry:
; GEN-NOT: llvm.instrprof.increment
@ -44,3 +46,4 @@ if.end:
}
; USE-DAG: {{![0-9]+}} = !{i32 1, !"ProfileSummary", {{![0-9]+}}}
; USE-DAG: {{![0-9]+}} = !{!"DetailedSummary", {{![0-9]+}}}
; USE-DAG: ![[FUNC_ENTRY_COUNT]] = !{!"function_entry_count", i64 3}