1; RUN: opt < %s -passes=instrprof -runtime-counter-relocation -do-counter-promotion=true -S | FileCheck %s 2 3target triple = "x86_64-unknown-linux-gnu" 4 5@__profn_foo = private constant [3 x i8] c"foo" 6 7define void @foo(i1 %c) { 8entry: 9; CHECK: %[[BIAS:.+]] = load i64, ptr @__llvm_profile_counter_bias 10 br label %while.cond 11 12while.cond: ; preds = %land.rhs, %while.cond.preheader 13; CHECK: %[[COUNT:[a-z0-9.]+]] = phi i64 [ %[[LAND_COUNT:[0-9]+]], %land.rhs ], [ 0, %entry ] 14 br i1 %c, label %while.cond.cleanup_crit_edge, label %land.rhs 15 16while.cond.cleanup_crit_edge: ; preds = %while.cond 17; CHECK: %[[COUNTER_PTR:[0-9]+]] = add i64 ptrtoint (ptr @__profc_foo to i64), %[[BIAS]] 18; CHECK: %[[COUNTER_ADDR:[0-9]+]] = inttoptr i64 %[[COUNTER_PTR]] to ptr 19; CHECK: %[[COUNTER_PROMO:[a-z0-9.]+]] = load i64, ptr %[[COUNTER_ADDR]] 20; CHECK: %[[VALUE:[0-9]+]] = add i64 %[[COUNTER_PROMO]], %[[COUNT]] 21; CHECK: store i64 %[[VALUE]], ptr %[[COUNTER_ADDR]] 22 br label %cleanup 23 24land.rhs: ; preds = %while.cond 25 call void @llvm.instrprof.increment(ptr @__profn_foo, i64 0, i32 1, i32 0) 26; CHECK: %[[LAND_COUNT]] = add i64 %[[COUNT]], 1 27 br label %while.cond 28 29cleanup: ; preds = %while.cond.cleanup_crit_edge 30 ret void 31} 32 33declare void @llvm.instrprof.increment(ptr, i64, i32, i32) 34