From ba1e845c211893c3c2f392913232b176908ea7a2 Mon Sep 17 00:00:00 2001 From: Stanislav Mekhanoshin Date: Wed, 31 Jul 2019 16:33:11 +0000 Subject: [AMDGPU] Fix for vectorizer crash with pointers of different size When vectorizer strips pointers it can eventually end up with pointers of two different sizes, then SCEV will crash. Differential Revision: https://reviews.llvm.org/D65480 llvm-svn: 367443 --- .../AMDGPU/vect-ptr-ptr-size-mismatch.ll | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 llvm/test/Transforms/LoadStoreVectorizer/AMDGPU/vect-ptr-ptr-size-mismatch.ll (limited to 'llvm/test/Transforms/LoadStoreVectorizer') diff --git a/llvm/test/Transforms/LoadStoreVectorizer/AMDGPU/vect-ptr-ptr-size-mismatch.ll b/llvm/test/Transforms/LoadStoreVectorizer/AMDGPU/vect-ptr-ptr-size-mismatch.ll new file mode 100644 index 00000000000..197a439102f --- /dev/null +++ b/llvm/test/Transforms/LoadStoreVectorizer/AMDGPU/vect-ptr-ptr-size-mismatch.ll @@ -0,0 +1,18 @@ +; RUN: opt -mtriple=amdgcn-amd-amdhsa -load-store-vectorizer -S < %s | FileCheck %s + +target datalayout = "e-p:64:64-p1:64:64-p2:32:32-p3:32:32-p4:64:64-p5:32:32" + +; CHECK-LABEL: @test +; CHECK: store i32* undef, i32** %tmp9, align 8 +; CHECK: store i32* undef, i32** %tmp7, align 8 +define amdgpu_kernel void @test() { +entry: + %a10.ascast.i = addrspacecast i32* addrspace(5)* null to i32** + %tmp4 = icmp eq i32 undef, 0 + %tmp6 = select i1 false, i32** undef, i32** undef + %tmp7 = select i1 %tmp4, i32** null, i32** %tmp6 + %tmp9 = select i1 %tmp4, i32** %a10.ascast.i, i32** null + store i32* undef, i32** %tmp9, align 8 + store i32* undef, i32** %tmp7, align 8 + unreachable +} -- cgit v1.2.3