; RUN: llvm-profdata merge %S/Inputs/irreducible.proftext -o %t.profdata ; RUN: opt < %s -pgo-instr-use -pgo-instrument-entry=false -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE ; RUN: opt < %s -passes=pgo-instr-use -pgo-instrument-entry=false -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE ; RUN: llvm-profdata merge %S/Inputs/irreducible_entry.proftext -o %t2.profdata ; RUN: opt < %s -pgo-instr-use -pgo-instrument-entry=true -pgo-test-profile-file=%t2.profdata -S | FileCheck %s --check-prefix=USE ; RUN: opt < %s -passes=pgo-instr-use -pgo-instrument-entry=true -pgo-test-profile-file=%t2.profdata -S | FileCheck %s --check-prefix=USE ; GEN: $__llvm_profile_raw_version = comdat any ; Function Attrs: noinline norecurse nounwind readnone uwtable define i32 @_Z11irreducibleii(i32 %iter_outer, i32 %iter_inner) local_unnamed_addr #0 { entry: %cmp24 = icmp sgt i32 %iter_outer, 0 br i1 %cmp24, label %for.body, label %entry.for.cond.cleanup_crit_edge entry.for.cond.cleanup_crit_edge: ; preds = %entry br label %for.cond.cleanup for.cond.cleanup: ; preds = %entry.for.cond.cleanup_crit_edge, %for.end %sum.0.lcssa = phi i32 [ 0, %entry.for.cond.cleanup_crit_edge ], [ %sum.1, %for.end ] ret i32 %sum.0.lcssa for.body: ; preds = %entry, %for.end %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 for.cond2: ; preds = %for.body, %if.end9 %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 ; USE: br i1 %cmp3, label %for.body4, label %for.end, !prof !{{[0-9]+}}, ; USE-SAME: !irr_loop ![[FOR_COND2_IRR_LOOP:[0-9]+]] 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 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 ; USE: br label %if.end9, ; USE-SAME: !irr_loop ![[ENTRY8_IRR_LOOP:[0-9]+]] 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 ; USE: br label %for.cond2, ; USE-SAME: !irr_loop ![[IF_END9_IRR_LOOP:[0-9]+]] 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 } @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) { 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 ] 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 ; USE: br label %sw.bb6, !irr_loop {{.*}} sw.bb6: ; preds = %TARGET_1, %dispatch_op.sw.bb6_crit_edge br i1 %tobool, label %dispatch_op, label %if.then ; USE: br i1 %tobool, label %dispatch_op, label %if.then, !prof !{{[0-9]+}}, ; USE-SAME: !irr_loop ![[SW_BB6_IRR_LOOP:[0-9]+]] if.then: ; preds = %sw.bb6 br label %indirectgoto TARGET_2: ; preds = %indirectgoto br label %sw.bb15 ; USE: br label %sw.bb15, !irr_loop {{.*}} sw.bb15: ; preds = %TARGET_2, %dispatch_op br i1 %tobool, label %if.then18, label %exit ; USE: br i1 %tobool, label %if.then18, label %exit, !prof !{{[0-9]+}}, ; USE-SAME: !irr_loop ![[SW_BB15_IRR_LOOP:[0-9]+]] 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] ; USE: indirectbr i8* %target, [label %unknown_op, label %sw.bb, label %TARGET_1, label %TARGET_2], !prof !{{[0-9]+}}, ; USE-SAME: !irr_loop ![[INDIRECTGOTO_IRR_LOOP:[0-9]+]] } ; USE: ![[FOR_COND2_IRR_LOOP]] = !{!"loop_header_weight", i64 1050} ; USE: ![[ENTRY8_IRR_LOOP]] = !{!"loop_header_weight", i64 373} ; USE: ![[IF_END9_IRR_LOOP]] = !{!"loop_header_weight", i64 1000} ; USE: ![[SW_BB6_IRR_LOOP]] = !{!"loop_header_weight", i64 501} ; USE: ![[SW_BB15_IRR_LOOP]] = !{!"loop_header_weight", i64 100} ; USE: ![[INDIRECTGOTO_IRR_LOOP]] = !{!"loop_header_weight", i64 400}