[llvm-bugs] [Bug 33600] New: aarch64 bug when handling shufflevector

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=33600

            Bug ID: 33600
           Summary: aarch64 bug when handling shufflevector
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: LLVM Codegen
          Assignee: unassignedclangbugs at nondot.org
          Reporter: danielcdh at gmail.com
                CC: llvm-bugs at lists.llvm.org

#cat test.ll
target triple = "aarch64-unknown-linux-gnu"

define <4 x i1> @foo(<12 x i64 *>* %p) {
  %l = load <12 x i64 *>, <12 x i64 *>* %p
  %s1 = shufflevector <12 x i64 *> %l, <12 x i64 *> undef, <4 x i32> <i32 0,
i32 3, i32 6, i32 9>
  %s2 = shufflevector <12 x i64 *> %l, <12 x i64 *> undef, <4 x i32> <i32 1,
i32 4, i32 7, i32 10>
  %ret = icmp ne <4 x i64 *> %s1, %s2
  ret <4 x i1> %ret
}
#llc test.ll
llc: /ssd/llvm1/lib/IR/Instructions.cpp:2579: static llvm::CastInst*
llvm::CastInst::Create(llvm::Instruction::CastOps, llvm::Value*, llvm::Type*,
const llvm::Twine&, llvm::Instruction*): Assertion `castIsValid(op, S, Ty) &&
"Invalid cast!"' failed.

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