28 lines
1.0 KiB
LLVM
28 lines
1.0 KiB
LLVM
; RUN: opt -indvars -scalar-evolution -analyze -enable-new-pm=0 < %s | FileCheck %s
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; RUN: opt "-passes=loop(indvars),print<scalar-evolution>" -disable-output < %s 2>&1 | FileCheck %s
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; This test checks if the SCEV analysis is printed out at all.
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; It failed once as the RequiredTransitive option was not implemented
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; correctly.
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; CHECK: Classifying expressions for: @main
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define i32 @main() nounwind {
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entry:
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br label %for.cond
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for.cond: ; preds = %for.inc, %entry
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%indvar1 = phi i64 [ %indvar.next2, %for.inc ], [ 0, %entry ] ; <i64> [#uses=3]
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%exitcond = icmp ne i64 %indvar1, 1024 ; <i1> [#uses=1]
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br i1 %exitcond, label %for.body, label %for.end
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for.body: ; preds = %for.cond
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br label %for.inc
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for.inc: ; preds = %for.body
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%indvar.next2 = add i64 %indvar1, 1 ; <i64> [#uses=1]
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br label %for.cond
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for.end: ; preds = %for.cond
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ret i32 0
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}
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