[llvm-bugs] [Bug 25150] New: [Polly] preloadInvariantValues: "All operands to PHI node must be the same type as the PHI node!"

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=25150

            Bug ID: 25150
           Summary: [Polly] preloadInvariantValues: "All operands to PHI
                    node must be the same type as the PHI node!"
           Product: Projects
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Polly
          Assignee: polly-dev at googlegroups.com
          Reporter: tobias at grosser.es
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

Created attachment 15057
  --> https://llvm.org/bugs/attachment.cgi?id=15057&action=edit
Test case to reproduce bug

With r250092 we get the following assertion when running "polly-opt
-polly-codegen out.renamed.ll":

opt: /home/grosser/Projects/polly/git/include/llvm/IR/Instructions.h:2462: void
llvm::PHINode::setIncomingValue(unsigned int, llvm::Value *): Assertion
`getType() == V->getType() && "All operands to PHI node must be the same type
as the PHI node!"' failed.
#0 0x7f1eab9ae83e llvm::sys::PrintStackTrace(llvm::raw_ostream&)
/home/grosser/Projects/polly/git/lib/Support/Unix/Signals.inc:404:15
#1 0x7f1eab9af979 PrintStackTraceSignalHandler(void*)
/home/grosser/Projects/polly/git/lib/Support/Unix/Signals.inc:463:1
#2 0x7f1eab9ae3b3 llvm::sys::RunSignalHandlers()
/home/grosser/Projects/polly/git/lib/Support/Signals.cpp:35:5
#3 0x7f1eab9afbd4 SignalHandler(int)
/home/grosser/Projects/polly/git/lib/Support/Unix/Signals.inc:211:1
#4 0x7f1eaa0512f0 (/lib/x86_64-linux-gnu/libc.so.6+0x352f0)
#5 0x7f1eaa051267 gsignal
/build/buildd/glibc-2.21/signal/../sysdeps/unix/sysv/linux/raise.c:55:0
#6 0x7f1eaa052eca abort /build/buildd/glibc-2.21/stdlib/abort.c:91:0
#7 0x7f1eaa04a03d __assert_fail_base
/build/buildd/glibc-2.21/assert/assert.c:92:0
#8 0x7f1eaa04a0f2 (/lib/x86_64-linux-gnu/libc.so.6+0x2e0f2)
#9 0x7f1ea6edc5f4 llvm::PHINode::setIncomingValue(unsigned int, llvm::Value*)
/home/grosser/Projects/polly/git/include/llvm/IR/Instructions.h:2463:16
#10 0x7f1ea6ed7ed4 llvm::PHINode::addIncoming(llvm::Value*, llvm::BasicBlock*)
/home/grosser/Projects/polly/git/include/llvm/IR/Instructions.h:2506:22
#11 0x7f1ea6efad97 IslNodeBuilder::preloadInvariantLoad(polly::MemoryAccess
const&, isl_set*, isl_ast_build*)
/home/grosser/Projects/polly/git/tools/polly/lib/CodeGen/IslNodeBuilder.cpp:901:5
#12 0x7f1ea6efb036 IslNodeBuilder::preloadInvariantLoads()
/home/grosser/Projects/polly/git/tools/polly/lib/CodeGen/IslNodeBuilder.cpp:935:12
#13 0x7f1ea6f04ed0 (anonymous
namespace)::CodeGeneration::runOnScop(polly::Scop&)
/home/grosser/Projects/polly/git/tools/polly/lib/CodeGen/CodeGeneration.cpp:152:31

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