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25 lines
540 B
LLVM
25 lines
540 B
LLVM
; RUN: opt < %s -loop-index-split -S | not grep undef
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define i32 @main() {
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entry:
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br label %header
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header:
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%r = phi i32 [ 0, %entry ], [ %r3, %skip ]
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%i = phi i32 [ 0, %entry ], [ %i1, %skip ]
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%i99 = add i32 %i, 99
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%cond = icmp eq i32 %i99, 3
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br i1 %cond, label %body, label %skip
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body:
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br label %skip
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skip:
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%r3 = phi i32 [ %r, %header ], [ 3, %body ]
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%i1 = add i32 %i, 1
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%exitcond = icmp eq i32 %i1, 10
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br i1 %exitcond, label %exit, label %header
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exit:
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ret i32 %r3
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}
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