llvm-6502/test/ExecutionEngine/MCJIT/remote/stubs-remote.ll
Tim Northover e274b476de ARM: use pristine object file while processing relocations
Previously we would read-modify-write the target bits when processing
relocations for the MCJIT. This had the problem that when relocations
were processed multiple times for the same object file (as they can
be), the result is not idempotent and the values became corrupted.

The solution to this is to take any bits used in the destination from
the pristine object file as LLVM emitted it.

This should fix PR16013 and remote MCJIT on ARM ELF targets.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182800 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-28 19:48:19 +00:00

37 lines
957 B
LLVM

; RUN: %lli_mcjit -remote-mcjit -disable-lazy-compilation=false %s
; XFAIL: mips
define i32 @main() nounwind {
entry:
call void @lazily_compiled_address_is_consistent()
ret i32 0
}
; Test PR3043: @test should have the same address before and after
; it's JIT-compiled.
@funcPtr = common global i1 ()* null, align 4
@lcaic_failure = internal constant [46 x i8] c"@lazily_compiled_address_is_consistent failed\00"
define void @lazily_compiled_address_is_consistent() nounwind {
entry:
store i1 ()* @test, i1 ()** @funcPtr
%pass = tail call i1 @test() ; <i32> [#uses=1]
br i1 %pass, label %pass_block, label %fail_block
pass_block:
ret void
fail_block:
call i32 @puts(i8* getelementptr([46 x i8]* @lcaic_failure, i32 0, i32 0))
call void @exit(i32 1)
unreachable
}
define i1 @test() nounwind {
entry:
%tmp = load i1 ()** @funcPtr
%eq = icmp eq i1 ()* %tmp, @test
ret i1 %eq
}
declare i32 @puts(i8*) noreturn
declare void @exit(i32) noreturn