llvm-6502/test/Transforms/ScalarRepl/2003-05-29-ArrayFail.ll
Chris Lattner 67e3ba3f1d this produces an undefined result, just check that the alloca is gone
and that sroa doesn't crash.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63637 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-03 18:13:00 +00:00

13 lines
426 B
LLVM

; RUN: llvm-as < %s | opt -scalarrepl -instcombine | llvm-dis | not grep alloca
; Test that an array is not incorrectly deconstructed.
define i32 @test() nounwind {
%X = alloca [4 x i32] ; <[4 x i32]*> [#uses=1]
%Y = getelementptr [4 x i32]* %X, i64 0, i64 0 ; <i32*> [#uses=1]
; Must preserve arrayness!
%Z = getelementptr i32* %Y, i64 1 ; <i32*> [#uses=1]
%A = load i32* %Z ; <i32> [#uses=1]
ret i32 %A
}