llvm-project/llvm/test/Verifier/PhiGrouping.ll

18 lines
324 B
LLVM

; RUN: not llvm-as < %s |& grep {PHI nodes not grouped at top}
define i32 @test(i32 %i, i32 %j, i1 %c) {
br i1 %c, label %A, label %B
A:
br label %C
B:
br label %C
C:
%a = phi i32 [%i, %A], [%j, %B]
%x = add i32 %a, 0 ; Error, PHI's should be grouped!
%b = phi i32 [%i, %A], [%j, %B]
ret i32 %x
}