llvm-for-llvmta/test/Other/cleanup-lcssa.ll

19 lines
296 B
LLVM

; RUN: opt -S -O3 < %s | FileCheck %s
define i64 @test() {
entry:
br label %loop
loop:
%i = phi i64 [ 0, %entry ], [ %inc, %loop ]
%inc = add i64 %i, 1
%cond = tail call i1 @check()
br i1 %cond, label %loop, label %exit
exit:
; CHECK-NOT: lcssa
ret i64 %i
}
declare i1 @check()