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Add a test for http://llvm.org/PR3043.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83346 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jeffrey Yasskin 2009-10-05 23:51:08 +00:00
parent fd07cf56cd
commit 4ece4e26f2
1 changed files with 35 additions and 0 deletions
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35
test/ExecutionEngine/stubs.ll Normal file
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; RUN: llvm-as < %s | lli -disable-lazy-compilation=false
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