[llvm-commits] [llvm] r83346 - /llvm/trunk/test/ExecutionEngine/stubs.ll

[Jeffrey Yasskin]

Author: jyasskin
Date: Mon Oct  5 18:51:08 2009
New Revision: 83346

URL: http://llvm.org/viewvc/llvm-project?rev=83346&view=rev
Log:
Add a test for http://llvm.org/PR3043.


Added:
    llvm/trunk/test/ExecutionEngine/stubs.ll

Added: llvm/trunk/test/ExecutionEngine/stubs.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/ExecutionEngine/stubs.ll?rev=83346&view=auto

==============================================================================
--- llvm/trunk/test/ExecutionEngine/stubs.ll (added)
+++ llvm/trunk/test/ExecutionEngine/stubs.ll Mon Oct  5 18:51:08 2009
@@ -0,0 +1,35 @@
+; 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.
+ at funcPtr = common global i1 ()* null, align 4
+ at 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