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llvm-mirror/test/CodeGen/Generic/stacksave-restore.ll

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; RUN: llc < %s
declare i8* @llvm.stacksave()
declare void @llvm.stackrestore(i8*)
define i32* @test(i32 %N) {
%tmp = call i8* @llvm.stacksave( ) ; <i8*> [#uses=1]
%P = alloca i32, i32 %N ; <i32*> [#uses=1]
call void @llvm.stackrestore( i8* %tmp )
%Q = alloca i32, i32 %N ; <i32*> [#uses=0]
ret i32* %P
}