1; RUN: opt -simplifycfg < %s -disable-output 2 3target datalayout = "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-n8:16:32:64" 4target triple = "x86_64-pc-linux-gnu" 5 6; PR11825 7define void @test1() { 8entry: 9 br label %return 10 11while_block: ; preds = %and_if_cont2, %and_if_cont 12 %newlen = sub i32 %newlen, 1 13 %newptr = getelementptr i8, i8* %newptr, i64 1 14 %test = icmp sgt i32 %newlen, 0 15 br i1 %test, label %and_if1, label %and_if_cont2 16 17and_if1: ; preds = %while_block 18 %char = load i8, i8* %newptr 19 %test2 = icmp ule i8 %char, 32 20 br label %and_if_cont2 21 22and_if_cont2: ; preds = %and_if1, %while_block 23 %a18 = phi i1 [ %test, %while_block ], [ %test2, %and_if1 ] 24 br i1 %a18, label %while_block, label %return 25 26return: ; preds = %and_if_cont2, %and_if_cont 27 ret void 28} 29