File: 2003-11-16-MissingPostDominanceInfo.ll

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llvm-toolchain-17 1%3A17.0.6-22
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; RUN: opt < %s -passes=adce,simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S | grep call
; RUN: opt < %s -passes=adce,simplifycfg -adce-remove-loops -simplifycfg-require-and-preserve-domtree=1 -S | grep call

declare void @exit(i32)

define i32 @main(i32 %argc) {
        %C = icmp eq i32 %argc, 1               ; <i1> [#uses=2]
        br i1 %C, label %Cond, label %Done

Cond:           ; preds = %0
        br i1 %C, label %Loop, label %Done

Loop:           ; preds = %Loop, %Cond
        call void @exit( i32 0 )
        br label %Loop

Done:           ; preds = %Cond, %0
        ret i32 1
}