| ; RUN: opt < %s -analyze -block-freq | FileCheck %s |
| ; RUN: opt < %s -passes='print<block-freq>' -disable-output 2>&1 | FileCheck %s |
| |
| ; Function Attrs: noinline norecurse nounwind readnone uwtable |
| define i32 @_Z11irreducibleii(i32 %iter_outer, i32 %iter_inner) local_unnamed_addr !prof !27 { |
| entry: |
| %cmp24 = icmp sgt i32 %iter_outer, 0 |
| br i1 %cmp24, label %for.body, label %entry.for.cond.cleanup_crit_edge, !prof !28 |
| |
| entry.for.cond.cleanup_crit_edge: ; preds = %entry |
| br label %for.cond.cleanup |
| |
| for.cond.cleanup: ; preds = %for.end, %entry.for.cond.cleanup_crit_edge |
| %sum.0.lcssa = phi i32 [ 0, %entry.for.cond.cleanup_crit_edge ], [ %sum.1, %for.end ] |
| ret i32 %sum.0.lcssa |
| |
| for.body: ; preds = %for.end, %entry |
| %k.026 = phi i32 [ %inc12, %for.end ], [ 0, %entry ] |
| %sum.025 = phi i32 [ %sum.1, %for.end ], [ 0, %entry ] |
| %rem23 = and i32 %k.026, 1 |
| %cmp1 = icmp eq i32 %rem23, 0 |
| br i1 %cmp1, label %entry8, label %for.cond2, !prof !29 |
| |
| for.cond2: ; preds = %if.end9, %for.body |
| %sum.1 = phi i32 [ %add10, %if.end9 ], [ %sum.025, %for.body ] |
| %i.0 = phi i32 [ %inc, %if.end9 ], [ 0, %for.body ] |
| %cmp3 = icmp slt i32 %i.0, %iter_inner |
| br i1 %cmp3, label %for.body4, label %for.end, !prof !30, !irr_loop !31 |
| |
| for.body4: ; preds = %for.cond2 |
| %rem5 = srem i32 %k.026, 3 |
| %cmp6 = icmp eq i32 %rem5, 0 |
| br i1 %cmp6, label %entry8, label %if.end9, !prof !32 |
| |
| entry8: ; preds = %for.body4, %for.body |
| %sum.2 = phi i32 [ %sum.025, %for.body ], [ %sum.1, %for.body4 ] |
| %i.1 = phi i32 [ 0, %for.body ], [ %i.0, %for.body4 ] |
| %add = add nsw i32 %sum.2, 4 |
| br label %if.end9, !irr_loop !33 |
| |
| if.end9: ; preds = %entry8, %for.body4 |
| %sum.3 = phi i32 [ %add, %entry8 ], [ %sum.1, %for.body4 ] |
| %i.2 = phi i32 [ %i.1, %entry8 ], [ %i.0, %for.body4 ] |
| %add10 = add nsw i32 %sum.3, 1 |
| %inc = add nsw i32 %i.2, 1 |
| br label %for.cond2, !irr_loop !34 |
| |
| for.end: ; preds = %for.cond2 |
| %inc12 = add nuw nsw i32 %k.026, 1 |
| %exitcond = icmp eq i32 %inc12, %iter_outer |
| br i1 %exitcond, label %for.cond.cleanup, label %for.body, !prof !35 |
| } |
| |
| !27 = !{!"function_entry_count", i64 1} |
| !28 = !{!"branch_weights", i32 1, i32 0} |
| !29 = !{!"branch_weights", i32 50, i32 50} |
| !30 = !{!"branch_weights", i32 950, i32 100} |
| !31 = !{!"loop_header_weight", i64 1050} |
| !32 = !{!"branch_weights", i32 323, i32 627} |
| !33 = !{!"loop_header_weight", i64 373} |
| !34 = !{!"loop_header_weight", i64 1000} |
| !35 = !{!"branch_weights", i32 1, i32 99} |
| |
| ; CHECK-LABEL: Printing analysis {{.*}} for function '_Z11irreducibleii': |
| ; CHECK-NEXT: block-frequency-info: _Z11irreducibleii |
| ; CHECK-NEXT: - entry: {{.*}} count = 1 |
| ; CHECK-NEXT: - entry.for.cond.cleanup_crit_edge: {{.*}} count = 0 |
| ; CHECK-NEXT: - for.cond.cleanup: {{.*}} count = 1 |
| ; CHECK-NEXT: - for.body: {{.*}} count = 100 |
| ; CHECK-NEXT: - for.cond2: {{.*}} count = 1050, irr_loop_header_weight = 1050 |
| ; CHECK-NEXT: - for.body4: {{.*}} count = 950 |
| ; CHECK-NEXT: - entry8: {{.*}} count = 373, irr_loop_header_weight = 373 |
| ; CHECK-NEXT: - if.end9: {{.*}} count = 1000, irr_loop_header_weight = 1000 |
| ; CHECK-NEXT: - for.end: {{.*}} count = 100 |
| |
| @targets = local_unnamed_addr global [256 x i8*] zeroinitializer, align 16 |
| @tracing = local_unnamed_addr global i32 0, align 4 |
| |
| ; Function Attrs: noinline norecurse nounwind uwtable |
| define i32 @_Z11irreduciblePh(i8* nocapture readonly %p) !prof !27 { |
| entry: |
| %0 = load i32, i32* @tracing, align 4 |
| %1 = trunc i32 %0 to i8 |
| %tobool = icmp eq i32 %0, 0 |
| br label %for.cond1 |
| |
| for.cond1: ; preds = %sw.default, %entry |
| br label %dispatch_op |
| |
| dispatch_op: ; preds = %sw.bb6, %for.cond1 |
| switch i8 %1, label %sw.default [ |
| i8 0, label %sw.bb |
| i8 1, label %dispatch_op.sw.bb6_crit_edge |
| i8 2, label %sw.bb15 |
| ], !prof !36 |
| |
| dispatch_op.sw.bb6_crit_edge: ; preds = %dispatch_op |
| br label %sw.bb6 |
| |
| sw.bb: ; preds = %indirectgoto, %dispatch_op |
| br label %exit |
| |
| TARGET_1: ; preds = %indirectgoto |
| br label %sw.bb6 |
| |
| sw.bb6: ; preds = %TARGET_1, %dispatch_op.sw.bb6_crit_edge |
| br i1 %tobool, label %dispatch_op, label %if.then, !prof !37, !irr_loop !38 |
| |
| if.then: ; preds = %sw.bb6 |
| br label %indirectgoto |
| |
| TARGET_2: ; preds = %indirectgoto |
| br label %sw.bb15 |
| |
| sw.bb15: ; preds = %TARGET_2, %dispatch_op |
| br i1 %tobool, label %if.then18, label %exit, !prof !39, !irr_loop !40 |
| |
| if.then18: ; preds = %sw.bb15 |
| br label %indirectgoto |
| |
| unknown_op: ; preds = %indirectgoto |
| br label %sw.default |
| |
| sw.default: ; preds = %unknown_op, %dispatch_op |
| br label %for.cond1 |
| |
| exit: ; preds = %sw.bb15, %sw.bb |
| ret i32 0 |
| |
| indirectgoto: ; preds = %if.then18, %if.then |
| %idxprom21 = zext i32 %0 to i64 |
| %arrayidx22 = getelementptr inbounds [256 x i8*], [256 x i8*]* @targets, i64 0, i64 %idxprom21 |
| %target = load i8*, i8** %arrayidx22, align 8 |
| indirectbr i8* %target, [label %unknown_op, label %sw.bb, label %TARGET_1, label %TARGET_2], !prof !41, !irr_loop !42 |
| } |
| |
| !36 = !{!"branch_weights", i32 0, i32 0, i32 201, i32 1} |
| !37 = !{!"branch_weights", i32 201, i32 300} |
| !38 = !{!"loop_header_weight", i64 501} |
| !39 = !{!"branch_weights", i32 100, i32 0} |
| !40 = !{!"loop_header_weight", i64 100} |
| !41 = !{!"branch_weights", i32 0, i32 1, i32 300, i32 99} |
| !42 = !{!"loop_header_weight", i64 400} |
| |
| ; CHECK-LABEL: Printing analysis {{.*}} for function '_Z11irreduciblePh': |
| ; CHECK-NEXT: block-frequency-info: _Z11irreduciblePh |
| ; CHECK-NEXT: - entry: {{.*}} count = 1 |
| ; CHECK-NEXT: - for.cond1: {{.*}} count = 1 |
| ; CHECK-NEXT: - dispatch_op: {{.*}} count = 202 |
| ; CHECK-NEXT: - dispatch_op.sw.bb6_crit_edge: {{.*}} count = 201 |
| ; CHECK-NEXT: - sw.bb: {{.*}} count = 1 |
| ; CHECK-NEXT: - TARGET_1: {{.*}} count = 300 |
| ; CHECK-NEXT: - sw.bb6: {{.*}} count = 501, irr_loop_header_weight = 501 |
| ; CHECK-NEXT: - if.then: {{.*}} count = 300 |
| ; CHECK-NEXT: - TARGET_2: {{.*}} count = 99 |
| ; CHECK-NEXT: - sw.bb15: {{.*}} count = 100, irr_loop_header_weight = 100 |
| ; CHECK-NEXT: - if.then18: {{.*}} count = 100 |
| ; CHECK-NEXT: - unknown_op: {{.*}} count = 0 |
| ; CHECK-NEXT: - sw.default: {{.*}} count = 0 |
| ; CHECK-NEXT: - exit: {{.*}} count = 1 |
| ; CHECK-NEXT: - indirectgoto: {{.*}} count = 400, irr_loop_header_weight = 400 |
| |
| ; Missing some irr loop annotations. |
| ; Function Attrs: noinline norecurse nounwind uwtable |
| define i32 @_Z11irreduciblePh2(i8* nocapture readonly %p) !prof !27 { |
| entry: |
| %0 = load i32, i32* @tracing, align 4 |
| %1 = trunc i32 %0 to i8 |
| %tobool = icmp eq i32 %0, 0 |
| br label %for.cond1 |
| |
| for.cond1: ; preds = %sw.default, %entry |
| br label %dispatch_op |
| |
| dispatch_op: ; preds = %sw.bb6, %for.cond1 |
| switch i8 %1, label %sw.default [ |
| i8 0, label %sw.bb |
| i8 1, label %dispatch_op.sw.bb6_crit_edge |
| i8 2, label %sw.bb15 |
| ], !prof !36 |
| |
| dispatch_op.sw.bb6_crit_edge: ; preds = %dispatch_op |
| br label %sw.bb6 |
| |
| sw.bb: ; preds = %indirectgoto, %dispatch_op |
| br label %exit |
| |
| TARGET_1: ; preds = %indirectgoto |
| br label %sw.bb6 |
| |
| sw.bb6: ; preds = %TARGET_1, %dispatch_op.sw.bb6_crit_edge |
| br i1 %tobool, label %dispatch_op, label %if.then, !prof !37 ; Missing !irr_loop !38 |
| |
| if.then: ; preds = %sw.bb6 |
| br label %indirectgoto |
| |
| TARGET_2: ; preds = %indirectgoto |
| br label %sw.bb15 |
| |
| sw.bb15: ; preds = %TARGET_2, %dispatch_op |
| br i1 %tobool, label %if.then18, label %exit, !prof !39, !irr_loop !40 |
| |
| if.then18: ; preds = %sw.bb15 |
| br label %indirectgoto |
| |
| unknown_op: ; preds = %indirectgoto |
| br label %sw.default |
| |
| sw.default: ; preds = %unknown_op, %dispatch_op |
| br label %for.cond1 |
| |
| exit: ; preds = %sw.bb15, %sw.bb |
| ret i32 0 |
| |
| indirectgoto: ; preds = %if.then18, %if.then |
| %idxprom21 = zext i32 %0 to i64 |
| %arrayidx22 = getelementptr inbounds [256 x i8*], [256 x i8*]* @targets, i64 0, i64 %idxprom21 |
| %target = load i8*, i8** %arrayidx22, align 8 |
| indirectbr i8* %target, [label %unknown_op, label %sw.bb, label %TARGET_1, label %TARGET_2], !prof !41, !irr_loop !42 |
| } |
| |
| ; CHECK-LABEL: Printing analysis {{.*}} for function '_Z11irreduciblePh2': |
| ; CHECK: block-frequency-info: _Z11irreduciblePh2 |
| ; CHECK: - sw.bb6: {{.*}} count = 100 |
| ; CHECK: - sw.bb15: {{.*}} count = 100, irr_loop_header_weight = 100 |
| ; CHECK: - indirectgoto: {{.*}} count = 400, irr_loop_header_weight = 400 |
