; RUN: opt < %s -adce -simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S | grep call | |
; RUN: opt < %s -adce -adce-remove-loops -simplifycfg -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 | |
} | |