18 lines
490 B
LLVM
18 lines
490 B
LLVM
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; RUN: llc < %s
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; NVPTX can not select llvm.stacksave (dynamic_stackalloc) and llvm.stackrestore
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; UNSUPPORTED: target=nvptx{{.*}}
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declare ptr @llvm.stacksave()
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declare void @llvm.stackrestore(ptr)
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define ptr @test(i32 %N) {
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%tmp = call ptr @llvm.stacksave( ) ; <ptr> [#uses=1]
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%P = alloca i32, i32 %N ; <ptr> [#uses=1]
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call void @llvm.stackrestore( ptr %tmp )
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%Q = alloca i32, i32 %N ; <ptr> [#uses=0]
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ret ptr %P
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}
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