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46bdfb0e6b
to more accurately describe what it does. Expand its doxygen comment to describe what the backedge-taken count is and how it differs from the actual iteration count of the loop. Adjust names and comments in associated code accordingly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65382 91177308-0d34-0410-b5e6-96231b3b80d8
16 lines
398 B
LLVM
16 lines
398 B
LLVM
; RUN: llvm-as < %s | opt -analyze -scalar-evolution \
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; RUN: -scalar-evolution-max-iterations=0 | grep {backedge-taken count is 113}
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; PR2088
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define void @fun() {
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entry:
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br label %loop
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loop:
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%i = phi i8 [ 0, %entry ], [ %i.next, %loop ]
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%i.next = add i8 %i, 18
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%cond = icmp ne i8 %i.next, 4
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br i1 %cond, label %loop, label %exit
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exit:
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ret void
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}
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