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Bring back r271090 in a way that doesn't depend on r271089.

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llvm-svn: 271092
This commit is contained in:
Sean Silva 2016-05-28 04:05:36 +00:00
parent 9ad95cf045
commit 533f0584eb
2 changed files with 4 additions and 0 deletions
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1
lib/Transforms/Instrumentation/PGOInstrumentation.cpp
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@ -693,6 +693,7 @@ void PGOUseFunc::populateCounters() {
DEBUG(dbgs() << "Populate counts in " << NumPasses << " passes.\n");
// Assert every BB has a valid counter.
uint64_t FuncEntryCount = getBBInfo(&*F.begin()).CountValue;
F.setEntryCount(FuncEntryCount);
uint64_t FuncMaxCount = FuncEntryCount;
for (auto &BB : F) {
assert(getBBInfo(&BB).CountValid && "BB count is not valid");

3
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}