https://llvm.org/bugs/show_bug.cgi?id=30366
Bug ID: 30366 Summary: Assertion `this->getType()->isVectorTy() && "Only valid for vectors!"' failed. Product: new-bugs Version: trunk Hardware: PC OS: Linux Status: NEW Severity: normal Priority: P Component: new bugs Assignee: unassignedb...@nondot.org Reporter: mikael.hol...@ericsson.com CC: llvm-bugs@lists.llvm.org Classification: Unclassified Created attachment 17254 --> https://llvm.org/bugs/attachment.cgi?id=17254&action=edit Reproducer Instcombine crashes on the attached input if doing opt -S red.ll -instcombine #0 0x00007ffff67bfc37 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56 #1 0x00007ffff67c3028 in __GI_abort () at abort.c:89 #2 0x00007ffff67b8bf6 in __assert_fail_base (fmt=0x7ffff69093b8 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=assertion@entry=0x39957c6 "this->getType()->isVectorTy() && \"Only valid for vectors!\"", file=file@entry=0x3994909 "../lib/IR/Constants.cpp", line=line@entry=1295, function=function@entry=0x3995801 "llvm::Constant *llvm::Constant::getSplatValue() const") at assert.c:92 #3 0x00007ffff67b8ca2 in __GI___assert_fail (assertion=0x39957c6 "this->getType()->isVectorTy() && \"Only valid for vectors!\"", file=0x3994909 "../lib/IR/Constants.cpp", line=1295, function=0x3995801 "llvm::Constant *llvm::Constant::getSplatValue() const") at assert.c:101 #4 0x00000000021ba5c8 in llvm::Constant::getSplatValue (this=0x4bff360) at ../lib/IR/Constants.cpp:1295 #5 0x00000000021ba6c6 in llvm::Constant::getUniqueInteger (this=0x4bff360) at ../lib/IR/Constants.cpp:1318 #6 0x00000000024f0cc6 in foldUDivShl (Op0=0x4c1a3c8, Op1=0x4bff3a8, I=..., IC=...) at ../lib/Transforms/InstCombine/InstCombineMulDivRem.cpp:1007 #7 0x00000000024ed542 in llvm::InstCombiner::visitUDiv (this=0x7fffffffcfc0, I=...) at ../lib/Transforms/InstCombine/InstCombineMulDivRem.cpp:1109 #8 0x0000000002472883 in llvm::InstVisitor<llvm::InstCombiner, llvm::Instruction*>::visit (this=0x7fffffffcfc0, I=...) at ../include/llvm/IR/Instruction.def:130 #9 0x000000000246dbbc in llvm::InstCombiner::run (this=0x7fffffffcfc0) at ../lib/Transforms/InstCombine/InstructionCombining.cpp:2932 #10 0x000000000246e5f4 in combineInstructionsOverFunction (F=..., Worklist=..., AA=0x4c1a360, AC=..., TLI=..., DT=..., TTI=..., ExpensiveCombines=true, LI=0x0) at ../lib/Transforms/InstCombine/InstructionCombining.cpp:3167 #11 0x000000000246e89f in llvm::InstructionCombiningPass::runOnFunction (this=0x4c14940, F=...) at ../lib/Transforms/InstCombine/InstructionCombining.cpp:3225 #12 0x00000000022ba68d in llvm::FPPassManager::runOnFunction (this=0x4c15390, F=...) at ../lib/IR/LegacyPassManager.cpp:1533 #13 0x00000000022ba9c5 in llvm::FPPassManager::runOnModule (this=0x4c15390, M=...) at ../lib/IR/LegacyPassManager.cpp:1554 #14 0x00000000022bb1ae in (anonymous namespace)::MPPassManager::runOnModule (this=0x4bffc50, M=...) at ../lib/IR/LegacyPassManager.cpp:1610 #15 0x00000000022bacab in llvm::legacy::PassManagerImpl::run (this=0x4bff6d0, M=...) at ../lib/IR/LegacyPassManager.cpp:1713 #16 0x00000000022bb6f1 in llvm::legacy::PassManager::run (this=0x7fffffffdc20, M=...) at ../lib/IR/LegacyPassManager.cpp:1744 #17 0x0000000000a4d689 in main (argc=4, argv=0x7fffffffe108) at ../tools/opt/opt.cpp:705 up a couple of times: #4 0x00000000021ba5c8 in llvm::Constant::getSplatValue (this=0x4bff360) at ../lib/IR/Constants.cpp:1295 1295 assert(this->getType()->isVectorTy() && "Only valid for vectors!"); (gdb) call dump() i16 shl (i16 1, i16 ptrtoint ([1 x i16]* @b to i16)) (gdb) up #5 0x00000000021ba6c6 in llvm::Constant::getUniqueInteger (this=0x4bff360) at ../lib/IR/Constants.cpp:1318 1318 assert(this->getSplatValue() && "Doesn't contain a unique integer!"); (gdb) l 1313 } 1314 1315 const APInt &Constant::getUniqueInteger() const { 1316 if (const ConstantInt *CI = dyn_cast<ConstantInt>(this)) 1317 return CI->getValue(); 1318 assert(this->getSplatValue() && "Doesn't contain a unique integer!"); 1319 const Constant *C = this->getAggregateElement(0U); 1320 assert(C && isa<ConstantInt>(C) && "Not a vector of numbers!"); 1321 return cast<ConstantInt>(C)->getValue(); 1322 } (gdb) so it expects a constant in Constant::getUniqueInteger but it's a constant expression instead and then it crashes? -- You are receiving this mail because: You are on the CC list for the bug.
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