1; RUN: opt < %s --passes=instrprof -do-counter-promotion=true -speculative-counter-promotion-max-exiting=3 -S | FileCheck --check-prefix=PROMO %s 2 3$__llvm_profile_raw_version = comdat any 4 5@g = common local_unnamed_addr global i32 0, align 4 6@__llvm_profile_raw_version = constant i64 72057594037927940, comdat 7@__profn_foo = private constant [3 x i8] c"foo" 8 9define void @foo(i32 %arg) local_unnamed_addr { 10bb: 11 %tmp = add nsw i32 %arg, -1 12 br label %bb1 13 14bb1: ; preds = %bb11, %bb 15 %tmp2 = phi i32 [ 0, %bb ], [ %tmp12, %bb11 ] 16 %tmp3 = icmp sgt i32 %tmp2, %arg 17 br i1 %tmp3, label %bb7, label %bb4 18 19bb4: ; preds = %bb1 20 call void @llvm.instrprof.increment(ptr @__profn_foo, i64 63969943867, i32 5, i32 1) 21 tail call void @bar(i32 1) 22 %tmp5 = load i32, ptr @g, align 4 23 %tmp6 = icmp sgt i32 %tmp5, 100 24 br i1 %tmp6, label %bb14, label %bb11 25 26bb7: ; preds = %bb1 27 %tmp8 = icmp slt i32 %tmp2, %tmp 28 br i1 %tmp8, label %bb9, label %bb10 29 30bb9: ; preds = %bb7 31 call void @llvm.instrprof.increment(ptr @__profn_foo, i64 63969943867, i32 5, i32 2) 32 tail call void @bar(i32 2) 33 br label %bb11 34 35bb10: ; preds = %bb7 36 call void @llvm.instrprof.increment(ptr @__profn_foo, i64 63969943867, i32 5, i32 3) 37 tail call void @bar(i32 3) 38 br label %bb11 39 40bb11: ; preds = %bb10, %bb9, %bb4 41 %tmp12 = add nuw nsw i32 %tmp2, 1 42 %tmp13 = icmp slt i32 %tmp2, 99 43 br i1 %tmp13, label %bb1, label %bb14 44 45bb14: ; preds = %bb4.bb14_crit_edge, %bb11 46 tail call void @bar(i32 0) 47 br label %bb15 48; PROMO-LABEL: bb14: 49; PROMO: %[[MERGE1:[a-z0-9]+]] = phi {{.*}} 50; PROMO-NEXT: %[[MERGE2:[a-z0-9.]+]] = phi {{.*}} 51; PROMO-NEXT: %[[MERGE3:[a-z0-9.]+]] = phi {{.*}} 52; PROMO-NEXT: %[[PROMO3:[a-z0-9.]+]] = load{{.*}}@__profc_foo{{.*}}1) 53; PROMO-NEXT: {{.*}} = add {{.*}}%[[PROMO3]], %[[MERGE3]] 54; PROMO-NEXT: store{{.*}}@__profc_foo{{.*}}1) 55; PROMO-NEXT: %[[PROMO2:[a-z0-9.]+]] = load{{.*}}@__profc_foo{{.*}}2) 56; PROMO-NEXT: {{.*}} = add {{.*}}%[[PROMO2]], %[[MERGE2]] 57; PROMO-NEXT: store{{.*}}@__profc_foo{{.*}}2) 58; PROMO-NEXT: %[[PROMO1:[a-z0-9.]+]] = load{{.*}}@__profc_foo{{.*}}3) 59; PROMO-NEXT: {{.*}} = add {{.*}}%[[PROMO1]], %[[MERGE1]] 60; PROMO-NEXT: store{{.*}}@__profc_foo{{.*}}3) 61 62bb15: ; preds = %bb14 63 call void @llvm.instrprof.increment(ptr @__profn_foo, i64 63969943867, i32 5, i32 4) 64 tail call void @bar(i32 1) 65 ret void 66} 67 68declare void @bar(i32) local_unnamed_addr 69 70; Function Attrs: nounwind 71declare void @llvm.instrprof.increment(ptr, i64, i32, i32) #0 72 73attributes #0 = { nounwind } 74