1; This test shows an alloca of a struct and an array that can be reduced to
2; multiple variables easily. However, the alloca is used by a store
3; instruction, which was not possible before aggregrates were first class
4; values. This checks of scalarrepl splits up the struct and array properly.
5
6; RUN: opt < %s -scalarrepl -S | not grep alloca
7target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64"
8
9define i32 @foo() {
10	%target = alloca { i32, i32 }		; <{ i32, i32 }*> [#uses=1]
11        ; Build a first class struct to store
12	%res1 = insertvalue { i32, i32 } undef, i32 1, 0		; <{ i32, i32 }> [#uses=1]
13	%res2 = insertvalue { i32, i32 } %res1, i32 2, 1		; <{ i32, i32 }> [#uses=1]
14        ; And store it
15	store { i32, i32 } %res2, { i32, i32 }* %target
16        ; Actually use %target, so it doesn't get removed altogether
17        %ptr = getelementptr { i32, i32 }* %target, i32 0, i32 0
18        %val = load i32* %ptr
19	ret i32 %val
20}
21
22define i32 @bar() {
23	%target = alloca [ 2 x i32 ]		; <{ i32, i32 }*> [#uses=1]
24        ; Build a first class array to store
25	%res1 = insertvalue [ 2 x i32 ] undef, i32 1, 0		; <{ i32, i32 }> [#uses=1]
26	%res2 = insertvalue [ 2 x i32 ] %res1, i32 2, 1		; <{ i32, i32 }> [#uses=1]
27        ; And store it
28	store [ 2 x i32 ] %res2, [ 2 x i32 ]* %target
29        ; Actually use %target, so it doesn't get removed altogether
30        %ptr = getelementptr [ 2 x i32 ]* %target, i32 0, i32 0
31        %val = load i32* %ptr
32	ret i32 %val
33}
34