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18 lines
652 B
LLVM
18 lines
652 B
LLVM
; RUN: llvm-as < %s | opt -indvars | llvm-dis | %prcontext Loop: 1 | grep %indvar
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; The indvar simplification code should ensure that the first PHI in the block
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; is the canonical one!
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define i32 @test() {
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; <label>:0
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br label %Loop
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Loop: ; preds = %Loop, %0
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%NonIndvar = phi i32 [ 200, %0 ], [ %NonIndvarNext, %Loop ] ; <i32> [#uses=1]
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%Canonical = phi i32 [ 0, %0 ], [ %CanonicalNext, %Loop ] ; <i32> [#uses=1]
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%NonIndvarNext = sdiv i32 %NonIndvar, 2 ; <i32> [#uses=1]
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%CanonicalNext = add i32 %Canonical, 1 ; <i32> [#uses=1]
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br label %Loop
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}
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