| Eric Christopher | cee313d | 2019-04-17 04:52:47 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -simplifycfg -S | FileCheck %s |
| 2 | |
| 3 | ;; Test case for bug 25299, contributed by David Majnemer. |
| 4 | |
| 5 | target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| 6 | target triple = "x86_64-unknown-linux-gnu" |
| 7 | |
| 8 | define void @f(i1 %B) personality i1 undef { |
| 9 | entry: |
| 10 | ;CHECK: entry |
| 11 | ;CHECK-NEXT: call void @g() |
| 12 | invoke void @g() |
| 13 | to label %continue unwind label %unwind |
| 14 | |
| 15 | unwind: ; preds = %entry |
| 16 | %tmp101 = landingpad { i8*, i32 } |
| 17 | cleanup |
| 18 | br i1 %B, label %resume, label %then |
| 19 | |
| 20 | then: ; preds = %cleanup1 |
| 21 | br label %resume |
| 22 | |
| 23 | resume: ; preds = %cleanup2, %then, %cleanup1, %unwind |
| 24 | %tmp104 = phi { i8*, i32 } [ %tmp101, %then ], [ %tmp106, %cleanup2 ], [ %tmp101, %unwind ] |
| 25 | ;CHECK-NOT: resume { i8*, i32 } %tmp104 |
| 26 | resume { i8*, i32 } %tmp104 |
| 27 | |
| 28 | continue: ; preds = %entry, %continue |
| 29 | ;CHECK: continue: ; preds = %entry, %continue |
| 30 | ;CHECK-NEXT: call void @g() |
| 31 | invoke void @g() |
| 32 | to label %continue unwind label %cleanup2 |
| 33 | |
| 34 | cleanup2: ; preds = %continue |
| 35 | %tmp106 = landingpad { i8*, i32 } |
| 36 | cleanup |
| 37 | br label %resume |
| 38 | } |
| 39 | |
| 40 | declare void @g() |