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Diffstat (limited to 'llvm/test/Transforms/SimplifyCFG/bug-25299.ll')
| -rw-r--r-- | llvm/test/Transforms/SimplifyCFG/bug-25299.ll | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/llvm/test/Transforms/SimplifyCFG/bug-25299.ll b/llvm/test/Transforms/SimplifyCFG/bug-25299.ll new file mode 100644 index 00000000000..706afbe540c --- /dev/null +++ b/llvm/test/Transforms/SimplifyCFG/bug-25299.ll @@ -0,0 +1,40 @@ +; RUN: opt < %s -simplifycfg -S | FileCheck %s + +;; Test case for bug 25299, contributed by David Majnemer. + +target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" +target triple = "x86_64-unknown-linux-gnu" + +define void @f(i1 %B) personality i1 undef { +entry: +;CHECK: entry +;CHECK-NEXT: call void @g() + invoke void @g() + to label %continue unwind label %unwind + +unwind: ; preds = %entry + %tmp101 = landingpad { i8*, i32 } + cleanup + br i1 %B, label %resume, label %then + +then: ; preds = %cleanup1 + br label %resume + +resume: ; preds = %cleanup2, %then, %cleanup1, %unwind + %tmp104 = phi { i8*, i32 } [ %tmp101, %then ], [ %tmp106, %cleanup2 ], [ %tmp101, %unwind ] +;CHECK-NOT: resume { i8*, i32 } %tmp104 + resume { i8*, i32 } %tmp104 + +continue: ; preds = %entry, %continue +;CHECK: continue: ; preds = %entry, %continue +;CHECK-NEXT: call void @g() + invoke void @g() + to label %continue unwind label %cleanup2 + +cleanup2: ; preds = %continue + %tmp106 = landingpad { i8*, i32 } + cleanup + br label %resume +} + +declare void @g()
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