21 lines
510 B
LLVM
21 lines
510 B
LLVM
; RUN: opt < %s -adce -simplifycfg -S | grep call
|
|
; RUN: opt < %s -adce -adce-remove-loops -simplifycfg -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
|
|
}
|
|
|