| ; RUN: llvm-profdata merge %S/Inputs/irreducible.proftext -o %t.profdata |
| ; 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 -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 ptr] zeroinitializer, align 16 |
| @tracing = local_unnamed_addr global i32 0, align 4 |
| |
| ; Function Attrs: noinline norecurse nounwind uwtable |
| define i32 @_Z11irreduciblePh(ptr nocapture readonly %p) { |
| entry: |
| %0 = load i32, ptr @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 ptr], ptr @targets, i64 0, i64 %idxprom21 |
| %target = load ptr, ptr %arrayidx22, align 8 |
| indirectbr ptr %target, [label %unknown_op, label %sw.bb, label %TARGET_1, label %TARGET_2] |
| ; USE: indirectbr ptr %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 399} |