llvm-6502/mdstring-high-bits.ll at 0b19b561e0e95b5e32ff1887c18f214d71004f56 - llvm-6502 - Applefritter: Git

6502/llvm-6502

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Duncan P. N. Exon Smith 4bedb48751 Bitcode: Use unsigned char to record MDStrings

`MDString`s can have arbitrary characters in them.  Prevent an assertion
that fired in `BitcodeWriter` because of sign extension by copying the
characters into the record as `unsigned char`s.

Based on a patch by Keno Fischer; fixes PR21882.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224077 91177308-0d34-0410-b5e6-96231b3b80d8

2014-12-11 23:34:30 +00:00

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 ; RUN: llvm-as < %s | llvm-dis | FileCheck %s
 ; PR21882: confirm we don't crash when high bits are set in a character in a
 ; metadata string.
 ; CHECK: !name = !{!0}
 !name = !{!0}
 ; CHECK: !0 = metadata !{metadata !"\80"}
 !0 = metadata !{metadata !"\80"}