1; RUN: llc < %s 2; PR4297 3; RUN: opt -S < %s -codegenprepare | FileCheck %s 4 5target datalayout = 6"e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128" 7target triple = "x86_64-unknown-linux-gnu" 8 %"byte[]" = type { i64, ptr } 9 %"char[][]" = type { i64, ptr } 10@.str = external dso_local constant [7 x i8] ; <ptr> [#uses=1] 11 12; CHECK-LABEL: @_Dmain 13; CHECK: load i8, ptr %tmp4 14; CHECK: ret 15define fastcc i32 @_Dmain(%"char[][]" %unnamed) { 16entry: 17 %tmp = getelementptr [7 x i8], ptr @.str, i32 0, i32 0 ; <ptr> [#uses=1] 18 br i1 undef, label %foreachbody, label %foreachend 19 20foreachbody: ; preds = %entry 21 %tmp4 = getelementptr i8, ptr %tmp, i32 undef ; <ptr> [#uses=1] 22 %tmp5 = load i8, ptr %tmp4 ; <i8> [#uses=0] 23 unreachable 24 25foreachend: ; preds = %entry 26 ret i32 0 27} 28 29