llvm-6502/test/Verifier/PhiGrouping.ll

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; RUN: not llvm-as < %s 2>&1 | FileCheck %s
; CHECK: 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
}