[llvm] r269977 - [x86] add test for immediate comment formatting

[Mike Aizatsky via llvm-commits]

Sanjay,

I think this breaks sanitizer build:

http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-fast/builds/12914

/mnt/b/sanitizer-buildbot3/sanitizer-x86_64-linux-fast/build/llvm/lib/MC/MCExpr.cpp:667:26:
runtime error: negation of -9223372036854775808 cannot be represented in
type 'int64_t' (aka 'long'); cast to an unsigned type to negate this value
to itself
    #0 0x85272a in llvm::MCExpr::evaluateAsRelocatableImpl(llvm::MCValue&,
llvm::MCAssembler const*, llvm::MCAsmLayout const*, llvm::MCFixup const*,
llvm::DenseMap<llvm::MCSection const*, unsigned long,
llvm::DenseMapInfo<llvm::MCSection const*>,
llvm::detail::DenseMapPair<llvm::MCSection const*, unsigned long> > const*,
bool) const
/mnt/b/sanitizer-buildbot3/sanitizer-x86_64-linux-fast/build/llvm/lib/MC/MCExpr.cpp:667:26
    #1 0x851e04 in llvm::MCExpr::evaluateAsAbsolute(long&,
llvm::MCAssembler const*, llvm::MCAsmLayout const*,
llvm::DenseMap<llvm::MCSection const*, unsigned long,
llvm::DenseMapInfo<llvm::MCSection const*>,
llvm::detail::DenseMapPair<llvm::MCSection const*, unsigned long> > const*,
bool) const
/mnt/b/sanitizer-buildbot3/sanitizer-x86_64-linux-fast/build/llvm/lib/MC/MCExpr.cpp:439:7
    #2 0x8b5e5a in (anonymous
namespace)::AsmParser::parseExpression(llvm::MCExpr const*&, llvm::SMLoc&)
/mnt/b/sanitizer-buildbot3/sanitizer-x86_64-linux-fast/build/llvm/lib/MC/MCParser/AsmParser.cpp:1095:7
    #3 0x5d74bd in (anonymous namespace)::X86AsmParser::ParseATTOperand()
/mnt/b/sanitizer-buildbot3/sanitizer-x86_64-linux-fast/build/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp:1908:9
    #4 0x5d4b54 in (anonymous namespace)::X86AsmParser::ParseOperand()
/mnt/b/sanitizer-buildbot3/sanitizer-x86_64-linux-fast/build/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp:1137:10
    #5 0x5cd0da in (anonymous
namespace)::X86AsmParser::ParseInstruction(llvm::ParseInstructionInfo&,
llvm::StringRef, llvm::SMLoc,
llvm::SmallVectorImpl<std::unique_ptr<llvm::MCParsedAsmOperand,
std::default_delete<llvm::MCParsedAsmOperand> > >&)
/mnt/b/sanitizer-buildbot3/sanitizer-x86_64-linux-fast/build/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp:2319:44
    #6 0x8ba751 in (anonymous
namespace)::AsmParser::parseStatement((anonymous
namespace)::ParseStatementInfo&, llvm::MCAsmParserSemaCallback*)
/mnt/b/sanitizer-buildbot3/sanitizer-x86_64-linux-fast/build/llvm/lib/MC/MCParser/AsmParser.cpp:1771:19
    #7 0x8b2c02 in (anonymous namespace)::AsmParser::Run(bool, bool)
/mnt/b/sanitizer-buildbot3/sanitizer-x86_64-linux-fast/build/llvm/lib/MC/MCParser/AsmParser.cpp:675:10
    #8 0x43dbdc in AssembleInput(char const*, llvm::Target const*,
llvm::SourceMgr&, llvm::MCContext&, llvm::MCStreamer&, llvm::MCAsmInfo&,
llvm::MCSubtargetInfo&, llvm::MCInstrInfo&, llvm::MCTargetOptions&)
/mnt/b/sanitizer-buildbot3/sanitizer-x86_64-linux-fast/build/llvm/tools/llvm-mc/llvm-mc.cpp:352:13
    #9 0x43c595 in main
/mnt/b/sanitizer-buildbot3/sanitizer-x86_64-linux-fast/build/llvm/tools/llvm-mc/llvm-mc.cpp:523:11
    #10 0x7fc83364fec4 in __libc_start_main
(/lib/x86_64-linux-gnu/libc.so.6+0x21ec4)
    #11 0x41b5fd in _start
(/mnt/b/sanitizer-buildbot3/sanitizer-x86_64-linux-fast/build/llvm_build_ubsan/bin/llvm-mc+0x41b5fd)


On Wed, May 18, 2016 at 1:32 PM Sanjay Patel via llvm-commits <
llvm-commits at lists.llvm.org> wrote:

> Author: spatel
> Date: Wed May 18 15:26:32 2016
> New Revision: 269977
>
> URL: http://llvm.org/viewvc/llvm-project?rev=269977&view=rev
> Log:
> [x86] add test for immediate comment formatting
>
> Added:
>     llvm/trunk/test/MC/X86/imm-comments.s
>
> Added: llvm/trunk/test/MC/X86/imm-comments.s
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/X86/imm-comments.s?rev=269977&view=auto
>
> ==============================================================================
> --- llvm/trunk/test/MC/X86/imm-comments.s (added)
> +++ llvm/trunk/test/MC/X86/imm-comments.s Wed May 18 15:26:32 2016
> @@ -0,0 +1,26 @@
> +# RUN: llvm-mc %s -triple=x86_64-unknown-unknown | FileCheck %s
> +
> +movb  $127, %al
> +movb  $-128, %al
> +
> +movw  $32767, %ax
> +movw  $-32768, %ax
> +
> +movl  $2147483647, %eax
> +movl  $-2147483648, %eax
> +
> +movabsq        $9223372036854775807, %rax
> +movabsq        $-9223372036854775808, %rax
> +
> +# CHECK:  movb  $127, %al
> +# CHECK:  movb  $-128, %al
> +
> +# CHECK:  movw  $32767, %ax             # imm = 0x7FFF
> +# CHECK:  movw  $-32768, %ax            # imm = 0xFFFFFFFFFFFF8000
> +
> +# CHECK:  movl  $2147483647, %eax       # imm = 0x7FFFFFFF
> +# CHECK:  movl  $-2147483648, %eax      # imm = 0xFFFFFFFF80000000
> +
> +# CHECK:  movabsq $9223372036854775807, %rax # imm = 0x7FFFFFFFFFFFFFFF
> +# CHECK:  movabsq $-9223372036854775808, %rax # imm = 0x8000000000000000
> +
>
>
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>
-- 
Mike
Sent from phone
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