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