llvm/llvm/test/Transforms/InstCombine/2007-11-07-OpaqueAlignCrash.ll

; RUN: opt < %s -passes=instcombine -disable-output
; PR1780

target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32"
target triple = "i686-pc-linux-gnu"

%opaque_t = type opaque
%opaque2 = type opaque
%op_ts = type {%opaque2, i32}

@g = external global %opaque_t
@h = external global %op_ts

define i32 @foo() {
entry:
        %x = load i8, ptr @g
        %y = load i32, ptr @h
	%z = zext i8 %x to i32
	%r = add i32 %y, %z
        ret i32 %r
}