[llvm-bugs] [Bug 35690] New: [GlobalISel][AArch64] crash with FNEG on long double

via llvm-bugs llvm-bugs at lists.llvm.org
Mon Dec 18 16:07:07 PST 2017


            Bug ID: 35690
           Summary: [GlobalISel][AArch64] crash with FNEG on long double
           Product: new-bugs
           Version: unspecified
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: new bugs
          Assignee: aemerson at apple.com
          Reporter: efriedma at codeaurora.org
                CC: llvm-bugs at lists.llvm.org


long double x(long double a) { return -a; }

Crashes with "clang --target=aarch64--linux-gnu -mllvm
-aarch64-enable-global-isel-at-O=0 -mllvm -global-isel-abort=0".

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