| ; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py |
| ; RUN: opt -analyze -enable-new-pm=0 -scalar-evolution < %s | FileCheck %s |
| ; RUN: opt -disable-output "-passes=print<scalar-evolution>" < %s 2>&1 | FileCheck %s |
| |
| define void @umin_sext_x_zext_x(i32 %len) { |
| ; CHECK-LABEL: 'umin_sext_x_zext_x' |
| ; CHECK-NEXT: Classifying expressions for: @umin_sext_x_zext_x |
| ; CHECK-NEXT: %len.zext = zext i32 %len to i64 |
| ; CHECK-NEXT: --> (zext i32 %len to i64) U: [0,4294967296) S: [0,4294967296) |
| ; CHECK-NEXT: %len.sext = sext i32 %len to i64 |
| ; CHECK-NEXT: --> (sext i32 %len to i64) U: [-2147483648,2147483648) S: [-2147483648,2147483648) |
| ; CHECK-NEXT: %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ] |
| ; CHECK-NEXT: --> {0,+,1}<%loop> U: [0,4294967296) S: [0,4294967296) Exits: (zext i32 %len to i64) LoopDispositions: { %loop: Computable } |
| ; CHECK-NEXT: %iv.next = add i64 %iv, 1 |
| ; CHECK-NEXT: --> {1,+,1}<%loop> U: [1,4294967297) S: [1,4294967297) Exits: (1 + (zext i32 %len to i64))<nuw><nsw> LoopDispositions: { %loop: Computable } |
| ; CHECK-NEXT: %and = and i1 %cmp1, %cmp2 |
| ; CHECK-NEXT: --> %and U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %loop: Variant } |
| ; CHECK-NEXT: Determining loop execution counts for: @umin_sext_x_zext_x |
| ; CHECK-NEXT: Loop %loop: backedge-taken count is (zext i32 %len to i64) |
| ; CHECK-NEXT: Loop %loop: max backedge-taken count is 4294967295 |
| ; CHECK-NEXT: Loop %loop: Predicated backedge-taken count is (zext i32 %len to i64) |
| ; CHECK-NEXT: Predicates: |
| ; CHECK: Loop %loop: Trip multiple is 1 |
| ; |
| entry: |
| %len.zext = zext i32 %len to i64 |
| %len.sext = sext i32 %len to i64 |
| br label %loop |
| loop: |
| %iv = phi i64 [0, %entry], [%iv.next, %loop] |
| %iv.next = add i64 %iv, 1 |
| %cmp1 = icmp ult i64 %iv, %len.zext |
| %cmp2 = icmp ult i64 %iv, %len.sext |
| %and = and i1 %cmp1, %cmp2 |
| br i1 %and, label %loop, label %exit |
| exit: |
| ret void |
| } |
| |
| define void @ule_sext_x_zext_x(i32 %len) { |
| ; CHECK-LABEL: 'ule_sext_x_zext_x' |
| ; CHECK-NEXT: Classifying expressions for: @ule_sext_x_zext_x |
| ; CHECK-NEXT: %len.zext = zext i32 %len to i64 |
| ; CHECK-NEXT: --> (zext i32 %len to i64) U: [0,4294967296) S: [0,4294967296) |
| ; CHECK-NEXT: %len.sext = sext i32 %len to i64 |
| ; CHECK-NEXT: --> (sext i32 %len to i64) U: [-2147483648,2147483648) S: [-2147483648,2147483648) |
| ; CHECK-NEXT: %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ] |
| ; CHECK-NEXT: --> {0,+,1}<%loop> U: [0,4294967296) S: [0,4294967296) Exits: (zext i32 %len to i64) LoopDispositions: { %loop: Computable } |
| ; CHECK-NEXT: %iv.next = add i64 %iv, 1 |
| ; CHECK-NEXT: --> {1,+,1}<%loop> U: [1,4294967297) S: [1,4294967297) Exits: (1 + (zext i32 %len to i64))<nuw><nsw> LoopDispositions: { %loop: Computable } |
| ; CHECK-NEXT: %sel = select i1 %cmp1, i64 %len.zext, i64 %len.sext |
| ; CHECK-NEXT: --> (zext i32 %len to i64) U: [0,4294967296) S: [0,4294967296) Exits: (zext i32 %len to i64) LoopDispositions: { %loop: Invariant } |
| ; CHECK-NEXT: Determining loop execution counts for: @ule_sext_x_zext_x |
| ; CHECK-NEXT: Loop %loop: backedge-taken count is (zext i32 %len to i64) |
| ; CHECK-NEXT: Loop %loop: max backedge-taken count is 4294967295 |
| ; CHECK-NEXT: Loop %loop: Predicated backedge-taken count is (zext i32 %len to i64) |
| ; CHECK-NEXT: Predicates: |
| ; CHECK: Loop %loop: Trip multiple is 1 |
| ; |
| entry: |
| %len.zext = zext i32 %len to i64 |
| %len.sext = sext i32 %len to i64 |
| br label %loop |
| loop: |
| %iv = phi i64 [0, %entry], [%iv.next, %loop] |
| %iv.next = add i64 %iv, 1 |
| %cmp1 = icmp ule i64 %len.zext, %len.sext |
| %sel = select i1 %cmp1, i64 %len.zext, i64 %len.sext |
| %cmp2 = icmp ult i64 %iv, %sel |
| br i1 %cmp2, label %loop, label %exit |
| exit: |
| ret void |
| } |
| |
| define void @uge_sext_x_zext_x(i32 %len) { |
| ; CHECK-LABEL: 'uge_sext_x_zext_x' |
| ; CHECK-NEXT: Classifying expressions for: @uge_sext_x_zext_x |
| ; CHECK-NEXT: %len.zext = zext i32 %len to i64 |
| ; CHECK-NEXT: --> (zext i32 %len to i64) U: [0,4294967296) S: [0,4294967296) |
| ; CHECK-NEXT: %len.sext = sext i32 %len to i64 |
| ; CHECK-NEXT: --> (sext i32 %len to i64) U: [-2147483648,2147483648) S: [-2147483648,2147483648) |
| ; CHECK-NEXT: %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ] |
| ; CHECK-NEXT: --> {0,+,1}<%loop> U: full-set S: full-set Exits: (sext i32 %len to i64) LoopDispositions: { %loop: Computable } |
| ; CHECK-NEXT: %iv.next = add i64 %iv, 1 |
| ; CHECK-NEXT: --> {1,+,1}<%loop> U: full-set S: full-set Exits: (1 + (sext i32 %len to i64))<nsw> LoopDispositions: { %loop: Computable } |
| ; CHECK-NEXT: %sel = select i1 %cmp1, i64 %len.zext, i64 %len.sext |
| ; CHECK-NEXT: --> (sext i32 %len to i64) U: [-2147483648,2147483648) S: [-2147483648,2147483648) Exits: (sext i32 %len to i64) LoopDispositions: { %loop: Invariant } |
| ; CHECK-NEXT: Determining loop execution counts for: @uge_sext_x_zext_x |
| ; CHECK-NEXT: Loop %loop: backedge-taken count is (sext i32 %len to i64) |
| ; CHECK-NEXT: Loop %loop: max backedge-taken count is -1 |
| ; CHECK-NEXT: Loop %loop: Predicated backedge-taken count is (sext i32 %len to i64) |
| ; CHECK-NEXT: Predicates: |
| ; CHECK: Loop %loop: Trip multiple is 1 |
| ; |
| entry: |
| %len.zext = zext i32 %len to i64 |
| %len.sext = sext i32 %len to i64 |
| br label %loop |
| loop: |
| %iv = phi i64 [0, %entry], [%iv.next, %loop] |
| %iv.next = add i64 %iv, 1 |
| %cmp1 = icmp uge i64 %len.zext, %len.sext |
| %sel = select i1 %cmp1, i64 %len.zext, i64 %len.sext |
| %cmp2 = icmp ult i64 %iv, %sel |
| br i1 %cmp2, label %loop, label %exit |
| exit: |
| ret void |
| } |
| |
| define void @ult_sext_x_zext_x(i32 %len) { |
| ; CHECK-LABEL: 'ult_sext_x_zext_x' |
| ; CHECK-NEXT: Classifying expressions for: @ult_sext_x_zext_x |
| ; CHECK-NEXT: %len.zext = zext i32 %len to i64 |
| ; CHECK-NEXT: --> (zext i32 %len to i64) U: [0,4294967296) S: [0,4294967296) |
| ; CHECK-NEXT: %len.sext = sext i32 %len to i64 |
| ; CHECK-NEXT: --> (sext i32 %len to i64) U: [-2147483648,2147483648) S: [-2147483648,2147483648) |
| ; CHECK-NEXT: %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ] |
| ; CHECK-NEXT: --> {0,+,1}<%loop> U: [0,4294967296) S: [0,4294967296) Exits: (zext i32 %len to i64) LoopDispositions: { %loop: Computable } |
| ; CHECK-NEXT: %iv.next = add i64 %iv, 1 |
| ; CHECK-NEXT: --> {1,+,1}<%loop> U: [1,4294967297) S: [1,4294967297) Exits: (1 + (zext i32 %len to i64))<nuw><nsw> LoopDispositions: { %loop: Computable } |
| ; CHECK-NEXT: %umin = select i1 %cmp1, i64 %len.zext, i64 %len.sext |
| ; CHECK-NEXT: --> (zext i32 %len to i64) U: [0,4294967296) S: [0,4294967296) Exits: (zext i32 %len to i64) LoopDispositions: { %loop: Invariant } |
| ; CHECK-NEXT: Determining loop execution counts for: @ult_sext_x_zext_x |
| ; CHECK-NEXT: Loop %loop: backedge-taken count is (zext i32 %len to i64) |
| ; CHECK-NEXT: Loop %loop: max backedge-taken count is 4294967295 |
| ; CHECK-NEXT: Loop %loop: Predicated backedge-taken count is (zext i32 %len to i64) |
| ; CHECK-NEXT: Predicates: |
| ; CHECK: Loop %loop: Trip multiple is 1 |
| ; |
| entry: |
| %len.zext = zext i32 %len to i64 |
| %len.sext = sext i32 %len to i64 |
| br label %loop |
| loop: |
| %iv = phi i64 [0, %entry], [%iv.next, %loop] |
| %iv.next = add i64 %iv, 1 |
| %cmp1 = icmp ult i64 %len.zext, %len.sext |
| %umin = select i1 %cmp1, i64 %len.zext, i64 %len.sext |
| %cmp2 = icmp ult i64 %iv, %umin |
| br i1 %cmp2, label %loop, label %exit |
| exit: |
| ret void |
| } |
| |
| define void @ugt_sext_x_zext_x(i32 %len) { |
| ; CHECK-LABEL: 'ugt_sext_x_zext_x' |
| ; CHECK-NEXT: Classifying expressions for: @ugt_sext_x_zext_x |
| ; CHECK-NEXT: %len.zext = zext i32 %len to i64 |
| ; CHECK-NEXT: --> (zext i32 %len to i64) U: [0,4294967296) S: [0,4294967296) |
| ; CHECK-NEXT: %len.sext = sext i32 %len to i64 |
| ; CHECK-NEXT: --> (sext i32 %len to i64) U: [-2147483648,2147483648) S: [-2147483648,2147483648) |
| ; CHECK-NEXT: %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ] |
| ; CHECK-NEXT: --> {0,+,1}<%loop> U: full-set S: full-set Exits: (sext i32 %len to i64) LoopDispositions: { %loop: Computable } |
| ; CHECK-NEXT: %iv.next = add i64 %iv, 1 |
| ; CHECK-NEXT: --> {1,+,1}<%loop> U: full-set S: full-set Exits: (1 + (sext i32 %len to i64))<nsw> LoopDispositions: { %loop: Computable } |
| ; CHECK-NEXT: %umax = select i1 %cmp1, i64 %len.zext, i64 %len.sext |
| ; CHECK-NEXT: --> (sext i32 %len to i64) U: [-2147483648,2147483648) S: [-2147483648,2147483648) Exits: (sext i32 %len to i64) LoopDispositions: { %loop: Invariant } |
| ; CHECK-NEXT: Determining loop execution counts for: @ugt_sext_x_zext_x |
| ; CHECK-NEXT: Loop %loop: backedge-taken count is (sext i32 %len to i64) |
| ; CHECK-NEXT: Loop %loop: max backedge-taken count is -1 |
| ; CHECK-NEXT: Loop %loop: Predicated backedge-taken count is (sext i32 %len to i64) |
| ; CHECK-NEXT: Predicates: |
| ; CHECK: Loop %loop: Trip multiple is 1 |
| ; |
| entry: |
| %len.zext = zext i32 %len to i64 |
| %len.sext = sext i32 %len to i64 |
| br label %loop |
| loop: |
| %iv = phi i64 [0, %entry], [%iv.next, %loop] |
| %iv.next = add i64 %iv, 1 |
| %cmp1 = icmp ugt i64 %len.zext, %len.sext |
| %umax = select i1 %cmp1, i64 %len.zext, i64 %len.sext |
| %cmp2 = icmp ult i64 %iv, %umax |
| br i1 %cmp2, label %loop, label %exit |
| exit: |
| ret void |
| } |
| |
| define void @sle_sext_x_zext_x(i32 %len) { |
| ; CHECK-LABEL: 'sle_sext_x_zext_x' |
| ; CHECK-NEXT: Classifying expressions for: @sle_sext_x_zext_x |
| ; CHECK-NEXT: %len.zext = zext i32 %len to i64 |
| ; CHECK-NEXT: --> (zext i32 %len to i64) U: [0,4294967296) S: [0,4294967296) |
| ; CHECK-NEXT: %len.sext = sext i32 %len to i64 |
| ; CHECK-NEXT: --> (sext i32 %len to i64) U: [-2147483648,2147483648) S: [-2147483648,2147483648) |
| ; CHECK-NEXT: %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ] |
| ; CHECK-NEXT: --> {0,+,1}<%loop> U: [0,4294967296) S: [0,4294967296) Exits: (zext i32 %len to i64) LoopDispositions: { %loop: Computable } |
| ; CHECK-NEXT: %iv.next = add i64 %iv, 1 |
| ; CHECK-NEXT: --> {1,+,1}<%loop> U: [1,4294967297) S: [1,4294967297) Exits: (1 + (zext i32 %len to i64))<nuw><nsw> LoopDispositions: { %loop: Computable } |
| ; CHECK-NEXT: %sel = select i1 %cmp1, i64 %len.zext, i64 %len.sext |
| ; CHECK-NEXT: --> (zext i32 %len to i64) U: [0,4294967296) S: [0,4294967296) Exits: (zext i32 %len to i64) LoopDispositions: { %loop: Invariant } |
| ; CHECK-NEXT: Determining loop execution counts for: @sle_sext_x_zext_x |
| ; CHECK-NEXT: Loop %loop: backedge-taken count is (zext i32 %len to i64) |
| ; CHECK-NEXT: Loop %loop: max backedge-taken count is 4294967295 |
| ; CHECK-NEXT: Loop %loop: Predicated backedge-taken count is (zext i32 %len to i64) |
| ; CHECK-NEXT: Predicates: |
| ; CHECK: Loop %loop: Trip multiple is 1 |
| ; |
| entry: |
| %len.zext = zext i32 %len to i64 |
| %len.sext = sext i32 %len to i64 |
| br label %loop |
| loop: |
| %iv = phi i64 [0, %entry], [%iv.next, %loop] |
| %iv.next = add i64 %iv, 1 |
| %cmp1 = icmp ule i64 %len.zext, %len.sext |
| %sel = select i1 %cmp1, i64 %len.zext, i64 %len.sext |
| %cmp2 = icmp ult i64 %iv, %sel |
| br i1 %cmp2, label %loop, label %exit |
| exit: |
| ret void |
| } |
| |
| define void @sge_sext_x_zext_x(i32 %len) { |
| ; CHECK-LABEL: 'sge_sext_x_zext_x' |
| ; CHECK-NEXT: Classifying expressions for: @sge_sext_x_zext_x |
| ; CHECK-NEXT: %len.zext = zext i32 %len to i64 |
| ; CHECK-NEXT: --> (zext i32 %len to i64) U: [0,4294967296) S: [0,4294967296) |
| ; CHECK-NEXT: %len.sext = sext i32 %len to i64 |
| ; CHECK-NEXT: --> (sext i32 %len to i64) U: [-2147483648,2147483648) S: [-2147483648,2147483648) |
| ; CHECK-NEXT: %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ] |
| ; CHECK-NEXT: --> {0,+,1}<%loop> U: [0,4294967296) S: [0,4294967296) Exits: (zext i32 %len to i64) LoopDispositions: { %loop: Computable } |
| ; CHECK-NEXT: %iv.next = add i64 %iv, 1 |
| ; CHECK-NEXT: --> {1,+,1}<%loop> U: [1,4294967297) S: [1,4294967297) Exits: (1 + (zext i32 %len to i64))<nuw><nsw> LoopDispositions: { %loop: Computable } |
| ; CHECK-NEXT: %sel = select i1 %cmp1, i64 %len.zext, i64 %len.sext |
| ; CHECK-NEXT: --> (zext i32 %len to i64) U: [0,4294967296) S: [0,4294967296) Exits: (zext i32 %len to i64) LoopDispositions: { %loop: Invariant } |
| ; CHECK-NEXT: Determining loop execution counts for: @sge_sext_x_zext_x |
| ; CHECK-NEXT: Loop %loop: backedge-taken count is (zext i32 %len to i64) |
| ; CHECK-NEXT: Loop %loop: max backedge-taken count is 4294967295 |
| ; CHECK-NEXT: Loop %loop: Predicated backedge-taken count is (zext i32 %len to i64) |
| ; CHECK-NEXT: Predicates: |
| ; CHECK: Loop %loop: Trip multiple is 1 |
| ; |
| entry: |
| %len.zext = zext i32 %len to i64 |
| %len.sext = sext i32 %len to i64 |
| br label %loop |
| loop: |
| %iv = phi i64 [0, %entry], [%iv.next, %loop] |
| %iv.next = add i64 %iv, 1 |
| %cmp1 = icmp sge i64 %len.zext, %len.sext |
| %sel = select i1 %cmp1, i64 %len.zext, i64 %len.sext |
| %cmp2 = icmp ult i64 %iv, %sel |
| br i1 %cmp2, label %loop, label %exit |
| exit: |
| ret void |
| } |
| |
| define void @slt_sext_x_zext_x(i32 %len) { |
| ; CHECK-LABEL: 'slt_sext_x_zext_x' |
| ; CHECK-NEXT: Classifying expressions for: @slt_sext_x_zext_x |
| ; CHECK-NEXT: %len.zext = zext i32 %len to i64 |
| ; CHECK-NEXT: --> (zext i32 %len to i64) U: [0,4294967296) S: [0,4294967296) |
| ; CHECK-NEXT: %len.sext = sext i32 %len to i64 |
| ; CHECK-NEXT: --> (sext i32 %len to i64) U: [-2147483648,2147483648) S: [-2147483648,2147483648) |
| ; CHECK-NEXT: %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ] |
| ; CHECK-NEXT: --> {0,+,1}<%loop> U: full-set S: full-set Exits: (sext i32 %len to i64) LoopDispositions: { %loop: Computable } |
| ; CHECK-NEXT: %iv.next = add i64 %iv, 1 |
| ; CHECK-NEXT: --> {1,+,1}<%loop> U: full-set S: full-set Exits: (1 + (sext i32 %len to i64))<nsw> LoopDispositions: { %loop: Computable } |
| ; CHECK-NEXT: %umin = select i1 %cmp1, i64 %len.zext, i64 %len.sext |
| ; CHECK-NEXT: --> (sext i32 %len to i64) U: [-2147483648,2147483648) S: [-2147483648,2147483648) Exits: (sext i32 %len to i64) LoopDispositions: { %loop: Invariant } |
| ; CHECK-NEXT: Determining loop execution counts for: @slt_sext_x_zext_x |
| ; CHECK-NEXT: Loop %loop: backedge-taken count is (sext i32 %len to i64) |
| ; CHECK-NEXT: Loop %loop: max backedge-taken count is -1 |
| ; CHECK-NEXT: Loop %loop: Predicated backedge-taken count is (sext i32 %len to i64) |
| ; CHECK-NEXT: Predicates: |
| ; CHECK: Loop %loop: Trip multiple is 1 |
| ; |
| entry: |
| %len.zext = zext i32 %len to i64 |
| %len.sext = sext i32 %len to i64 |
| br label %loop |
| loop: |
| %iv = phi i64 [0, %entry], [%iv.next, %loop] |
| %iv.next = add i64 %iv, 1 |
| %cmp1 = icmp slt i64 %len.zext, %len.sext |
| %umin = select i1 %cmp1, i64 %len.zext, i64 %len.sext |
| %cmp2 = icmp ult i64 %iv, %umin |
| br i1 %cmp2, label %loop, label %exit |
| exit: |
| ret void |
| } |
| |
| define void @sgt_sext_x_zext_x(i32 %len) { |
| ; CHECK-LABEL: 'sgt_sext_x_zext_x' |
| ; CHECK-NEXT: Classifying expressions for: @sgt_sext_x_zext_x |
| ; CHECK-NEXT: %len.zext = zext i32 %len to i64 |
| ; CHECK-NEXT: --> (zext i32 %len to i64) U: [0,4294967296) S: [0,4294967296) |
| ; CHECK-NEXT: %len.sext = sext i32 %len to i64 |
| ; CHECK-NEXT: --> (sext i32 %len to i64) U: [-2147483648,2147483648) S: [-2147483648,2147483648) |
| ; CHECK-NEXT: %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ] |
| ; CHECK-NEXT: --> {0,+,1}<%loop> U: [0,4294967296) S: [0,4294967296) Exits: (zext i32 %len to i64) LoopDispositions: { %loop: Computable } |
| ; CHECK-NEXT: %iv.next = add i64 %iv, 1 |
| ; CHECK-NEXT: --> {1,+,1}<%loop> U: [1,4294967297) S: [1,4294967297) Exits: (1 + (zext i32 %len to i64))<nuw><nsw> LoopDispositions: { %loop: Computable } |
| ; CHECK-NEXT: %umax = select i1 %cmp1, i64 %len.zext, i64 %len.sext |
| ; CHECK-NEXT: --> (zext i32 %len to i64) U: [0,4294967296) S: [0,4294967296) Exits: (zext i32 %len to i64) LoopDispositions: { %loop: Invariant } |
| ; CHECK-NEXT: Determining loop execution counts for: @sgt_sext_x_zext_x |
| ; CHECK-NEXT: Loop %loop: backedge-taken count is (zext i32 %len to i64) |
| ; CHECK-NEXT: Loop %loop: max backedge-taken count is 4294967295 |
| ; CHECK-NEXT: Loop %loop: Predicated backedge-taken count is (zext i32 %len to i64) |
| ; CHECK-NEXT: Predicates: |
| ; CHECK: Loop %loop: Trip multiple is 1 |
| ; |
| entry: |
| %len.zext = zext i32 %len to i64 |
| %len.sext = sext i32 %len to i64 |
| br label %loop |
| loop: |
| %iv = phi i64 [0, %entry], [%iv.next, %loop] |
| %iv.next = add i64 %iv, 1 |
| %cmp1 = icmp sgt i64 %len.zext, %len.sext |
| %umax = select i1 %cmp1, i64 %len.zext, i64 %len.sext |
| %cmp2 = icmp ult i64 %iv, %umax |
| br i1 %cmp2, label %loop, label %exit |
| exit: |
| ret void |
| } |