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https://github.com/c64scene-ar/llvm-6502.git
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29 lines
941 B
LLVM
29 lines
941 B
LLVM
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; RUN: llvm-as < %s | opt -inline | llvm-dis | grep {llvm.memcpy}
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; Inlining a byval struct should cause an explicit copy into an alloca.
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%struct.ss = type { i32, i64 }
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@.str = internal constant [10 x i8] c"%d, %lld\0A\00" ; <[10 x i8]*> [#uses=1]
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define internal void @f(%struct.ss* byval %b) nounwind {
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entry:
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%tmp = getelementptr %struct.ss* %b, i32 0, i32 0 ; <i32*> [#uses=2]
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%tmp1 = load i32* %tmp, align 4 ; <i32> [#uses=1]
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%tmp2 = add i32 %tmp1, 1 ; <i32> [#uses=1]
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store i32 %tmp2, i32* %tmp, align 4
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ret void
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}
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declare i32 @printf(i8*, ...) nounwind
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define i32 @main() nounwind {
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entry:
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%S = alloca %struct.ss ; <%struct.ss*> [#uses=4]
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%tmp1 = getelementptr %struct.ss* %S, i32 0, i32 0 ; <i32*> [#uses=1]
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store i32 1, i32* %tmp1, align 8
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%tmp4 = getelementptr %struct.ss* %S, i32 0, i32 1 ; <i64*> [#uses=1]
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store i64 2, i64* %tmp4, align 4
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call void @f( %struct.ss* byval %S ) nounwind
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ret i32 0
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}
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