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Diffstat (limited to 'test/Transforms/Inline/byval.ll')
| -rw-r--r-- | test/Transforms/Inline/byval.ll | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/test/Transforms/Inline/byval.ll b/test/Transforms/Inline/byval.ll new file mode 100644 index 0000000000..ea8c357603 --- /dev/null +++ b/test/Transforms/Inline/byval.ll @@ -0,0 +1,28 @@ +; RUN: llvm-as < %s | opt -inline | llvm-dis | grep {llvm.memcpy} + +; Inlining a byval struct should cause an explicit copy into an alloca. + + %struct.ss = type { i32, i64 } +@.str = internal constant [10 x i8] c"%d, %lld\0A\00" ; <[10 x i8]*> [#uses=1] + +define internal void @f(%struct.ss* byval %b) nounwind { +entry: + %tmp = getelementptr %struct.ss* %b, i32 0, i32 0 ; <i32*> [#uses=2] + %tmp1 = load i32* %tmp, align 4 ; <i32> [#uses=1] + %tmp2 = add i32 %tmp1, 1 ; <i32> [#uses=1] + store i32 %tmp2, i32* %tmp, align 4 + ret void +} + +declare i32 @printf(i8*, ...) nounwind + +define i32 @main() nounwind { +entry: + %S = alloca %struct.ss ; <%struct.ss*> [#uses=4] + %tmp1 = getelementptr %struct.ss* %S, i32 0, i32 0 ; <i32*> [#uses=1] + store i32 1, i32* %tmp1, align 8 + %tmp4 = getelementptr %struct.ss* %S, i32 0, i32 1 ; <i64*> [#uses=1] + store i64 2, i64* %tmp4, align 4 + call void @f( %struct.ss* byval %S ) nounwind + ret i32 0 +} |