1; RUN: opt < %s -basicaa -dse -S | FileCheck %s
2
3target datalayout = "e-p:64:64:64"
4
5; CHECK: @test
6; CHECK-NEXT: bitcast
7; CHECK-NEXT: @free
8; CHECK-NEXT: ret void
9define void @test(i32* %Q, i32* %P) {
10        %DEAD = load i32* %Q            ; <i32> [#uses=1]
11        store i32 %DEAD, i32* %P
12        %1 = bitcast i32* %P to i8*
13        tail call void @free(i8* %1)
14        ret void
15}
16
17; CHECK: @test2
18; CHECK-NEXT: bitcast
19; CHECK-NEXT: @free
20; CHECK-NEXT: ret void
21define void @test2({i32, i32}* %P) {
22	%Q = getelementptr {i32, i32} *%P, i32 0, i32 1
23	store i32 4, i32* %Q
24        %1 = bitcast {i32, i32}* %P to i8*
25        tail call void @free(i8* %1)
26	ret void
27}
28
29; CHECK: @test4
30; CHECK-NOT: store
31; CHECK: ret void
32define void @test4() {
33  %m = call i8* @malloc(i64 24)
34  store i8 0, i8* %m
35  %m1 = getelementptr i8* %m, i64 1
36  store i8 1, i8* %m1
37  call void @free(i8* %m)
38  ret void
39}
40
41declare void @free(i8*)
42declare i8* @malloc(i64)
43