88f7dc17eb
There have been some minor but pervasive changes to the generated CHECK lines, so regenerate all of them, to minimize future diffs.
63 lines
2.3 KiB
LLVM
63 lines
2.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py
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; RUN: opt -disable-output "-passes=print<scalar-evolution>" < %s 2>&1 | FileCheck %s
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define void @x(ptr %cond) {
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; CHECK-LABEL: 'x'
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; CHECK-NEXT: Classifying expressions for: @x
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; CHECK-NEXT: %idx = phi i8 [ 0, %entry ], [ %idx.inc, %loop ]
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; CHECK-NEXT: --> {0,+,1}<nuw><nsw><%loop> U: [0,-128) S: [0,-128) Exits: <<Unknown>> LoopDispositions: { %loop: Computable }
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; CHECK-NEXT: %idx.inc = add nsw i8 %idx, 1
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; CHECK-NEXT: --> {1,+,1}<nuw><%loop> U: [1,0) S: [1,0) Exits: <<Unknown>> LoopDispositions: { %loop: Computable }
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; CHECK-NEXT: %c = load volatile i1, ptr %cond, align 1
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; CHECK-NEXT: --> %c U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %loop: Variant }
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; CHECK-NEXT: Determining loop execution counts for: @x
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; CHECK-NEXT: Loop %loop: Unpredictable backedge-taken count.
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; CHECK-NEXT: Loop %loop: Unpredictable constant max backedge-taken count.
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; CHECK-NEXT: Loop %loop: Unpredictable symbolic max backedge-taken count.
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; CHECK-NEXT: Loop %loop: Unpredictable predicated backedge-taken count.
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;
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entry:
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br label %loop
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loop:
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%idx = phi i8 [ 0, %entry ], [ %idx.inc, %loop ]
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%idx.inc = add nsw i8 %idx, 1
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%c = load volatile i1, ptr %cond
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br i1 %c, 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 @y(ptr %addr) {
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; CHECK-LABEL: 'y'
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; CHECK-NEXT: Classifying expressions for: @y
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; CHECK-NEXT: %idx = phi i8 [ -5, %entry ], [ %idx.inc, %loop ]
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; CHECK-NEXT: --> {-5,+,1}<nsw><%loop> U: [-5,6) S: [-5,6) Exits: 5 LoopDispositions: { %loop: Computable }
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; CHECK-NEXT: %idx.inc = add i8 %idx, 1
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; CHECK-NEXT: --> {-4,+,1}<nsw><%loop> U: [-4,7) S: [-4,7) Exits: 6 LoopDispositions: { %loop: Computable }
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; CHECK-NEXT: Determining loop execution counts for: @y
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; CHECK-NEXT: Loop %loop: backedge-taken count is 10
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; CHECK-NEXT: Loop %loop: constant max backedge-taken count is 10
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; CHECK-NEXT: Loop %loop: symbolic max backedge-taken count is 10
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; CHECK-NEXT: Loop %loop: Predicated backedge-taken count is 10
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; CHECK-NEXT: Predicates:
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; CHECK-NEXT: Loop %loop: Trip multiple is 11
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;
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entry:
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br label %loop
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loop:
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%idx = phi i8 [-5, %entry ], [ %idx.inc, %loop ]
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%idx.inc = add i8 %idx, 1
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%continue = icmp slt i8 %idx.inc, 6
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br i1 %continue, label %loop, label %exit
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exit:
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ret void
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}
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