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llvm-mirror/test/Transforms/PGOProfile/counter_promo_nest.ll
Eric Christopher a62270de2c Revert "Temporarily Revert "Add basic loop fusion pass.""
The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

llvm-svn: 358552
2019-04-17 04:52:47 +00:00

166 lines
5.8 KiB
LLVM

; TEST that counter updates are promoted outside the whole loop nest
; RUN: opt < %s -pgo-instr-gen -instrprof -do-counter-promotion=true -S | FileCheck --check-prefix=PROMO %s
; RUN: opt < %s --passes=pgo-instr-gen,instrprof -do-counter-promotion=true -S | FileCheck --check-prefix=PROMO %s
@g = common local_unnamed_addr global i32 0, align 4
@c = local_unnamed_addr global i32 10, align 4
; Function Attrs: noinline norecurse nounwind uwtable
define void @bar() local_unnamed_addr #0 {
bb:
%tmp2 = load i32, i32* @g, align 4, !tbaa !2
%tmp3 = add nsw i32 %tmp2, 1
store i32 %tmp3, i32* @g, align 4, !tbaa !2
ret void
}
; Function Attrs: norecurse nounwind uwtable
define i32 @main() local_unnamed_addr #1 {
bb:
store i32 0, i32* @g, align 4, !tbaa !2
%tmp = load i32, i32* @c, align 4, !tbaa !2
%tmp1 = icmp sgt i32 %tmp, 0
br i1 %tmp1, label %bb2_1, label %bb84
bb2_1:
br label %bb2
bb2: ; preds = %bb39, %bb
%tmp3 = phi i32 [ %tmp40, %bb39 ], [ %tmp, %bb2_1 ]
%tmp5 = phi i32 [ %tmp43, %bb39 ], [ 0, %bb2_1 ]
%tmp7 = icmp sgt i32 %tmp3, 0
br i1 %tmp7, label %bb14_1, label %bb39
bb8: ; preds = %bb39
; PROMO-LABEL: bb8
; PROMO: load {{.*}} @__profc_main{{.*}}
; PROMO-NEXT: add
; PROMO-NEXT: store {{.*}}@__profc_main{{.*}}
; PROMO-NEXT: load {{.*}} @__profc_main{{.*}}
; PROMO-NEXT: add
; PROMO-NEXT: store {{.*}}@__profc_main{{.*}}
; PROMO-NEXT: load {{.*}} @__profc_main{{.*}}
; PROMO-NEXT: add
; PROMO-NEXT: store {{.*}}@__profc_main{{.*}}
; PROMO-NEXT: load {{.*}} @__profc_main{{.*}}
; PROMO-NEXT: add
; PROMO-NEXT: store {{.*}}@__profc_main{{.*}}
; PROMO-NEXT: load {{.*}} @__profc_main{{.*}}
; PROMO-NEXT: add
; PROMO-NEXT: store {{.*}}@__profc_main{{.*}}
%tmp13 = icmp sgt i32 %tmp40, 0
br i1 %tmp13, label %bb45, label %bb84
bb14_1:
br label %bb14
bb14: ; preds = %bb29, %bb2
%tmp15 = phi i32 [ %tmp30, %bb29 ], [ %tmp3, %bb14_1 ]
%tmp16 = phi i64 [ %tmp31, %bb29 ], [ 0, %bb14_1 ]
%tmp17 = phi i64 [ %tmp32, %bb29 ], [ 0, %bb14_1 ]
%tmp18 = phi i32 [ %tmp33, %bb29 ], [ 0, %bb14_1 ]
%tmp19 = icmp sgt i32 %tmp15, 0
br i1 %tmp19, label %bb20_split, label %bb29
bb20_split:
br label %bb20
bb20: ; preds = %bb20, %bb14
%tmp21 = phi i64 [ %tmp23, %bb20 ], [ 0, %bb20_split ]
%tmp22 = phi i32 [ %tmp24, %bb20 ], [ 0, %bb20_split ]
%tmp23 = add nuw i64 %tmp21, 1
tail call void @bar()
%tmp24 = add nuw nsw i32 %tmp22, 1
%tmp25 = load i32, i32* @c, align 4, !tbaa !2
%tmp26 = icmp slt i32 %tmp24, %tmp25
br i1 %tmp26, label %bb20, label %bb27
bb27: ; preds = %bb20
%tmp28 = add i64 %tmp23, %tmp16
br label %bb29
bb29: ; preds = %bb27, %bb14
%tmp30 = phi i32 [ %tmp25, %bb27 ], [ %tmp15, %bb14 ]
%tmp31 = phi i64 [ %tmp28, %bb27 ], [ %tmp16, %bb14 ]
%tmp32 = add nuw i64 %tmp17, 1
%tmp33 = add nuw nsw i32 %tmp18, 1
%tmp34 = icmp slt i32 %tmp33, %tmp30
br i1 %tmp34, label %bb14, label %bb35
bb35: ; preds = %bb29
%tmp36 = insertelement <2 x i64> undef, i64 %tmp31, i32 0
br label %bb39
bb39: ; preds = %bb35, %bb2
%tmp40 = phi i32 [ %tmp30, %bb35 ], [ %tmp3, %bb2 ]
%tmp43 = add nuw nsw i32 %tmp5, 1
%tmp44 = icmp slt i32 %tmp43, %tmp40
br i1 %tmp44, label %bb2, label %bb8
bb45: ; preds = %bb67, %bb8
%tmp46 = phi i32 [ %tmp68, %bb67 ], [ %tmp40, %bb8 ]
%tmp47 = phi i64 [ %tmp69, %bb67 ], [ 0, %bb8 ]
%tmp48 = phi i64 [ %tmp70, %bb67 ], [ 0, %bb8 ]
%tmp49 = phi i32 [ %tmp71, %bb67 ], [ 0, %bb8 ]
%tmp50 = icmp sgt i32 %tmp46, 0
br i1 %tmp50, label %bb57, label %bb67
bb51: ; preds = %bb67
%tmp56 = icmp sgt i32 %tmp68, 0
br i1 %tmp56, label %bb73, label %bb84
bb57: ; preds = %bb57, %bb45
%tmp58 = phi i64 [ %tmp60, %bb57 ], [ 0, %bb45 ]
%tmp59 = phi i32 [ %tmp61, %bb57 ], [ 0, %bb45 ]
%tmp60 = add nuw i64 %tmp58, 1
tail call void @bar()
%tmp61 = add nuw nsw i32 %tmp59, 1
%tmp62 = load i32, i32* @c, align 4, !tbaa !2
%tmp63 = mul nsw i32 %tmp62, 10
%tmp64 = icmp slt i32 %tmp61, %tmp63
br i1 %tmp64, label %bb57, label %bb65
bb65: ; preds = %bb57
%tmp66 = add i64 %tmp60, %tmp47
br label %bb67
bb67: ; preds = %bb65, %bb45
%tmp68 = phi i32 [ %tmp62, %bb65 ], [ %tmp46, %bb45 ]
%tmp69 = phi i64 [ %tmp66, %bb65 ], [ %tmp47, %bb45 ]
%tmp70 = add nuw i64 %tmp48, 1
%tmp71 = add nuw nsw i32 %tmp49, 1
%tmp72 = icmp slt i32 %tmp71, %tmp68
br i1 %tmp72, label %bb45, label %bb51
bb73: ; preds = %bb73, %bb51
%tmp74 = phi i64 [ %tmp76, %bb73 ], [ 0, %bb51 ]
%tmp75 = phi i32 [ %tmp77, %bb73 ], [ 0, %bb51 ]
%tmp76 = add nuw i64 %tmp74, 1
tail call void @bar()
%tmp77 = add nuw nsw i32 %tmp75, 1
%tmp78 = load i32, i32* @c, align 4, !tbaa !2
%tmp79 = mul nsw i32 %tmp78, 100
%tmp80 = icmp slt i32 %tmp77, %tmp79
br i1 %tmp80, label %bb73, label %bb81
bb81: ; preds = %bb73
br label %bb84
bb84: ; preds = %bb81, %bb51, %bb8, %bb
ret i32 0
}
attributes #0 = { noinline }
attributes #1 = { norecurse nounwind uwtable }
!llvm.module.flags = !{!0}
!llvm.ident = !{!1}
!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{!"clang version 5.0.0 (trunk 307355)"}
!2 = !{!3, !3, i64 0}
!3 = !{!"int", !4, i64 0}
!4 = !{!"omnipotent char", !5, i64 0}
!5 = !{!"Simple C/C++ TBAA"}