| ; RUN: opt < %s --passes=instrprof -do-counter-promotion=true -speculative-counter-promotion-max-exiting=3 -S | FileCheck --check-prefix=PROMO %s |
| |
| $__llvm_profile_raw_version = comdat any |
| |
| @g = common local_unnamed_addr global i32 0, align 4 |
| @__llvm_profile_raw_version = constant i64 72057594037927940, comdat |
| @__profn_foo = private constant [3 x i8] c"foo" |
| |
| define void @foo(i32 %arg) local_unnamed_addr { |
| bb: |
| %tmp = add nsw i32 %arg, -1 |
| br label %bb1 |
| |
| bb1: ; preds = %bb11, %bb |
| %tmp2 = phi i32 [ 0, %bb ], [ %tmp12, %bb11 ] |
| %tmp3 = icmp sgt i32 %tmp2, %arg |
| br i1 %tmp3, label %bb7, label %bb4 |
| |
| bb4: ; preds = %bb1 |
| call void @llvm.instrprof.increment(ptr @__profn_foo, i64 63969943867, i32 5, i32 1) |
| tail call void @bar(i32 1) |
| %tmp5 = load i32, ptr @g, align 4 |
| %tmp6 = icmp sgt i32 %tmp5, 100 |
| br i1 %tmp6, label %bb14, label %bb11 |
| |
| bb7: ; preds = %bb1 |
| %tmp8 = icmp slt i32 %tmp2, %tmp |
| br i1 %tmp8, label %bb9, label %bb10 |
| |
| bb9: ; preds = %bb7 |
| call void @llvm.instrprof.increment(ptr @__profn_foo, i64 63969943867, i32 5, i32 2) |
| tail call void @bar(i32 2) |
| br label %bb11 |
| |
| bb10: ; preds = %bb7 |
| call void @llvm.instrprof.increment(ptr @__profn_foo, i64 63969943867, i32 5, i32 3) |
| tail call void @bar(i32 3) |
| br label %bb11 |
| |
| bb11: ; preds = %bb10, %bb9, %bb4 |
| %tmp12 = add nuw nsw i32 %tmp2, 1 |
| %tmp13 = icmp slt i32 %tmp2, 99 |
| br i1 %tmp13, label %bb1, label %bb14 |
| |
| bb14: ; preds = %bb4.bb14_crit_edge, %bb11 |
| tail call void @bar(i32 0) |
| br label %bb15 |
| ; PROMO-LABEL: bb14: |
| ; PROMO: %[[MERGE1:[a-z0-9]+]] = phi {{.*}} |
| ; PROMO-NEXT: %[[MERGE2:[a-z0-9.]+]] = phi {{.*}} |
| ; PROMO-NEXT: %[[MERGE3:[a-z0-9.]+]] = phi {{.*}} |
| ; PROMO-NEXT: %[[PROMO3:[a-z0-9.]+]] = load{{.*}}@__profc_foo{{.*}}1) |
| ; PROMO-NEXT: {{.*}} = add {{.*}}%[[PROMO3]], %[[MERGE3]] |
| ; PROMO-NEXT: store{{.*}}@__profc_foo{{.*}}1) |
| ; PROMO-NEXT: %[[PROMO2:[a-z0-9.]+]] = load{{.*}}@__profc_foo{{.*}}2) |
| ; PROMO-NEXT: {{.*}} = add {{.*}}%[[PROMO2]], %[[MERGE2]] |
| ; PROMO-NEXT: store{{.*}}@__profc_foo{{.*}}2) |
| ; PROMO-NEXT: %[[PROMO1:[a-z0-9.]+]] = load{{.*}}@__profc_foo{{.*}}3) |
| ; PROMO-NEXT: {{.*}} = add {{.*}}%[[PROMO1]], %[[MERGE1]] |
| ; PROMO-NEXT: store{{.*}}@__profc_foo{{.*}}3) |
| |
| bb15: ; preds = %bb14 |
| call void @llvm.instrprof.increment(ptr @__profn_foo, i64 63969943867, i32 5, i32 4) |
| tail call void @bar(i32 1) |
| ret void |
| } |
| |
| declare void @bar(i32) local_unnamed_addr |
| |
| ; Function Attrs: nounwind |
| declare void @llvm.instrprof.increment(ptr, i64, i32, i32) #0 |
| |
| attributes #0 = { nounwind } |