; RUN: opt < %s -analyze -block-freq | FileCheck %s ; RUN: opt < %s -passes='print' -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 = 201 ; CHECK-NEXT: - dispatch_op.sw.bb6_crit_edge: {{.*}} count = 200 ; CHECK-NEXT: - sw.bb: {{.*}} count = 0 ; CHECK-NEXT: - TARGET_1: {{.*}} count = 299 ; CHECK-NEXT: - sw.bb6: {{.*}} count = 500, irr_loop_header_weight = 501 ; CHECK-NEXT: - if.then: {{.*}} count = 299 ; CHECK-NEXT: - TARGET_2: {{.*}} count = 98 ; CHECK-NEXT: - sw.bb15: {{.*}} count = 99, irr_loop_header_weight = 100 ; CHECK-NEXT: - if.then18: {{.*}} count = 99 ; CHECK-NEXT: - unknown_op: {{.*}} count = 0 ; CHECK-NEXT: - sw.default: {{.*}} count = 0 ; CHECK-NEXT: - exit: {{.*}} count = 1 ; CHECK-NEXT: - indirectgoto: {{.*}} count = 399, 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