| Nick Lewycky | 37abc48 | 2012-01-23 00:05:17 +0000 | [diff] [blame] | 1 | ; RUN: opt -simplifycfg < %s -disable-output |
| 2 | |
| 3 | target 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" |
| 4 | target triple = "x86_64-pc-linux-gnu" |
| 5 | |
| 6 | ; PR11825 |
| 7 | define void @test1() { |
| 8 | entry: |
| 9 | br label %return |
| 10 | |
| 11 | while_block: ; preds = %and_if_cont2, %and_if_cont |
| 12 | %newlen = sub i32 %newlen, 1 |
| 13 | %newptr = getelementptr i8* %newptr, i64 1 |
| 14 | %test = icmp sgt i32 %newlen, 0 |
| 15 | br i1 %test, label %and_if1, label %and_if_cont2 |
| 16 | |
| 17 | and_if1: ; preds = %while_block |
| 18 | %char = load i8* %newptr |
| 19 | %test2 = icmp ule i8 %char, 32 |
| 20 | br label %and_if_cont2 |
| 21 | |
| 22 | and_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 | |
| 26 | return: ; preds = %and_if_cont2, %and_if_cont |
| 27 | ret void |
| 28 | } |