[llvm-bugs] [Bug 41668] New: unsigned int getFPReg(const llvm::MachineOperand&): Assertion `Reg >= X86::FP0 && Reg <= X86::FP6 && "Expected FP register!"

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=41668

            Bug ID: 41668
           Summary: unsigned int getFPReg(const llvm::MachineOperand&):
                    Assertion `Reg >= X86::FP0 && Reg <= X86::FP6 &&
                    "Expected FP register!"
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Backend: X86
          Assignee: unassignedbugs at nondot.org
          Reporter: llvm-dev at redking.me.uk
                CC: craig.topper at gmail.com, llvm-bugs at lists.llvm.org,
                    llvm-dev at redking.me.uk, spatel+llvm at rotateright.com

Reduced from https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=14508

source_filename =
"llvm/test/Transforms/LoopVectorize/X86/vectorize-only-for-real.ll"
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.11.0"

define void @accum() #0 {
entry:
  %B6 = frem double 4.940660e-324, 0.000000e+00
  store double %B6, double* undef
  unreachable
}
attributes #0 = { "target-features"="+sse,-avx,-avx2,-sse2" }

llc: /home/simon/LLVM/llvm/lib/Target/X86/X86FloatingPoint.cpp:311: unsigned
int getFPReg(const llvm::MachineOperand&): Assertion `Reg >= X86::FP0 && Reg <=
X86::FP6 && "Expected FP register!"' failed.

-- 
You are receiving this mail because:
You are on the CC list for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-bugs/attachments/20190430/22bbbfc2/attachment.html>