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205b641954
input filename so that opt doesn't print the input filename in the output so that grep lines in the tests don't unintentionally match strings in the input filename. llvm-svn: 81537
25 lines
883 B
LLVM
25 lines
883 B
LLVM
; RUN: opt < %s -analyze -scalar-evolution -disable-output \
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; RUN: | grep {sext.*trunc.*Exits: 11}
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; ScalarEvolution should be able to compute a loop exit value for %indvar.i8.
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define void @another_count_down_signed(double* %d, i64 %n) nounwind {
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entry:
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br label %loop
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loop: ; preds = %loop, %entry
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%indvar = phi i64 [ %n, %entry ], [ %indvar.next, %loop ] ; <i64> [#uses=4]
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%s0 = shl i64 %indvar, 8 ; <i64> [#uses=1]
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%indvar.i8 = ashr i64 %s0, 8 ; <i64> [#uses=1]
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%t0 = getelementptr double* %d, i64 %indvar.i8 ; <double*> [#uses=2]
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%t1 = load double* %t0 ; <double> [#uses=1]
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%t2 = fmul double %t1, 1.000000e-01 ; <double> [#uses=1]
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store double %t2, double* %t0
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%indvar.next = sub i64 %indvar, 1 ; <i64> [#uses=2]
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%exitcond = icmp eq i64 %indvar.next, 10 ; <i1> [#uses=1]
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br i1 %exitcond, label %return, label %loop
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return: ; preds = %loop
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ret void
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}
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