From dd449b37bc07895c56371495d85464ce71c7369e Mon Sep 17 00:00:00 2001 From: Max Kazantsev Date: Tue, 17 Oct 2017 06:37:58 +0000 Subject: [PATCH] [NFC] Add test from bug 34937 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@315976 91177308-0d34-0410-b5e6-96231b3b80d8 --- .../GVN/PRE/2017-10-16-LoadPRECrash.ll | 32 +++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 test/Transforms/GVN/PRE/2017-10-16-LoadPRECrash.ll diff --git a/test/Transforms/GVN/PRE/2017-10-16-LoadPRECrash.ll b/test/Transforms/GVN/PRE/2017-10-16-LoadPRECrash.ll new file mode 100644 index 00000000000..5fbb0fcc511 --- /dev/null +++ b/test/Transforms/GVN/PRE/2017-10-16-LoadPRECrash.ll @@ -0,0 +1,32 @@ +; RUN: opt -S -gvn -enable-load-pre < %s | FileCheck %s + +target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" +target triple = "x86_64-unknown-linux-gnu" + +%ArrayImpl = type { i64, i64 addrspace(100)*, [1 x i64], [1 x i64], [1 x i64], i64, i64, double addrspace(100)*, double addrspace(100)*, i8, i64 } + +; Function Attrs: readnone +declare %ArrayImpl* @getaddr_ArrayImpl(%ArrayImpl addrspace(100)*) #0 + +; Function Attrs: readnone +declare i64* @getaddr_i64(i64 addrspace(100)*) #0 + +; Make sure that the test compiles without a crash. +; Bug https://bugs.llvm.org/show_bug.cgi?id=34937 + +define hidden void @wrapon_fn173() { + +; CHECK-LABEL: @wrapon_fn173 + +entry: + %0 = call %ArrayImpl* @getaddr_ArrayImpl(%ArrayImpl addrspace(100)* undef) + br label %loop + +loop: + %1 = call %ArrayImpl* @getaddr_ArrayImpl(%ArrayImpl addrspace(100)* undef) + %2 = load i64 addrspace(100)*, i64 addrspace(100)** null, align 8 + %3 = call i64* @getaddr_i64(i64 addrspace(100)* %2) + br label %loop +} + +attributes #0 = { readnone } -- 2.40.0