1; RUN: llc < %s 2 3; NVPTX can not select llvm.stacksave (dynamic_stackalloc) and llvm.stackrestore 4; UNSUPPORTED: target=nvptx{{.*}} 5 6declare ptr @llvm.stacksave() 7 8declare void @llvm.stackrestore(ptr) 9 10define ptr @test(i32 %N) { 11 %tmp = call ptr @llvm.stacksave( ) ; <ptr> [#uses=1] 12 %P = alloca i32, i32 %N ; <ptr> [#uses=1] 13 call void @llvm.stackrestore( ptr %tmp ) 14 %Q = alloca i32, i32 %N ; <ptr> [#uses=0] 15 ret ptr %P 16} 17 18