counter_promo_exit_merge.ll
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; RUN: opt < %s -instrprof -do-counter-promotion=true -speculative-counter-promotion-max-exiting=3 -S | FileCheck --check-prefix=PROMO %s
; 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(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @__profn_foo, i32 0, i32 0), i64 63969943867, i32 5, i32 1)
tail call void @bar(i32 1)
%tmp5 = load i32, i32* @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(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @__profn_foo, i32 0, i32 0), i64 63969943867, i32 5, i32 2)
tail call void @bar(i32 2)
br label %bb11
bb10: ; preds = %bb7
call void @llvm.instrprof.increment(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @__profn_foo, i32 0, i32 0), 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(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @__profn_foo, i32 0, i32 0), 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(i8*, i64, i32, i32) #0
attributes #0 = { nounwind }