derek.holloway
7502bf64a4
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75 lines
2.5 KiB
LLVM
75 lines
2.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py UTC_ARGS: --version 4
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; RUN: opt -disable-output "-passes=print<scalar-evolution>" -scalar-evolution-classify-expressions=0 < %s 2>&1 | FileCheck %s
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define i32 @slt_trip_count_with_range_attr(i32 range(i32 1, 100) %limit) {
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;
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; CHECK-LABEL: 'slt_trip_count_with_range_attr'
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; CHECK-NEXT: Determining loop execution counts for: @slt_trip_count_with_range_attr
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; CHECK-NEXT: Loop %loop: backedge-taken count is (-1 + %limit)<nsw>
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; CHECK-NEXT: Loop %loop: constant max backedge-taken count is i32 98
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; CHECK-NEXT: Loop %loop: symbolic max backedge-taken count is (-1 + %limit)<nsw>
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; CHECK-NEXT: Loop %loop: Trip multiple is 1
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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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%index = phi i32 [ 0, %entry ], [ %index.inc, %loop ]
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%index.inc = add i32 %index, 1
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%continue = icmp slt i32 %index.inc, %limit
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br i1 %continue, label %loop, label %loop.exit
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loop.exit:
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ret i32 0
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}
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declare i32 @get_i32()
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define i32 @slt_trip_count_with_range_call() {
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;
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; CHECK-LABEL: 'slt_trip_count_with_range_call'
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; CHECK-NEXT: Determining loop execution counts for: @slt_trip_count_with_range_call
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; CHECK-NEXT: Loop %loop: backedge-taken count is (-1 + %limit)<nsw>
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; CHECK-NEXT: Loop %loop: constant max backedge-taken count is i32 98
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; CHECK-NEXT: Loop %loop: symbolic max backedge-taken count is (-1 + %limit)<nsw>
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; CHECK-NEXT: Loop %loop: Trip multiple is 1
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;
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entry:
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%limit = call range(i32 1, 100) i32 @get_i32()
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br label %loop
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loop:
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%index = phi i32 [ 0, %entry ], [ %index.inc, %loop ]
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%index.inc = add i32 %index, 1
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%continue = icmp slt i32 %index.inc, %limit
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br i1 %continue, label %loop, label %loop.exit
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loop.exit:
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ret i32 0
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}
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declare range(i32 1, 100) i32 @get_i32_in_range()
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define i32 @slt_trip_count_with_range_result() {
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;
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; CHECK-LABEL: 'slt_trip_count_with_range_result'
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; CHECK-NEXT: Determining loop execution counts for: @slt_trip_count_with_range_result
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; CHECK-NEXT: Loop %loop: backedge-taken count is (-1 + %limit)<nsw>
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; CHECK-NEXT: Loop %loop: constant max backedge-taken count is i32 98
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; CHECK-NEXT: Loop %loop: symbolic max backedge-taken count is (-1 + %limit)<nsw>
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; CHECK-NEXT: Loop %loop: Trip multiple is 1
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;
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entry:
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%limit = call i32 @get_i32_in_range()
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br label %loop
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loop:
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%index = phi i32 [ 0, %entry ], [ %index.inc, %loop ]
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%index.inc = add i32 %index, 1
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%continue = icmp slt i32 %index.inc, %limit
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br i1 %continue, label %loop, label %loop.exit
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loop.exit:
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ret i32 0
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}
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