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1; RUN: opt < %s -globalopt -S | FileCheck %s
2target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
3
4%struct.foo = type { i32, i32 }
5@X = internal global %struct.foo* null
6; CHECK: @X
7; CHECK-NOT: @X.f0
8
9define void @bar(i64 %Size) nounwind noinline #0 {
10entry:
11  %mallocsize = mul i64 8, %Size ; <i64> [#uses=1]
12; CHECK: mul i64 8, %Size
13  %malloccall = tail call i8* @malloc(i64 %mallocsize) ; <i8*> [#uses=1]
14  %.sub = bitcast i8* %malloccall to %struct.foo* ; <%struct.foo*> [#uses=1]
15	store %struct.foo* %.sub, %struct.foo** @X, align 4
16	ret void
17}
18
19declare noalias i8* @malloc(i64)
20
21define i32 @baz() nounwind readonly noinline #0 {
22bb1.thread:
23; CHECK: load %struct.foo*, %struct.foo** @X, align 4
24	%0 = load %struct.foo*, %struct.foo** @X, align 4
25	br label %bb1
26
27bb1:		; preds = %bb1, %bb1.thread
28	%i.0.reg2mem.0 = phi i32 [ 0, %bb1.thread ], [ %indvar.next, %bb1 ]
29	%sum.0.reg2mem.0 = phi i32 [ 0, %bb1.thread ], [ %3, %bb1 ]
30	%1 = getelementptr %struct.foo, %struct.foo* %0, i32 %i.0.reg2mem.0, i32 0
31	%2 = load i32, i32* %1, align 4
32	%3 = add i32 %2, %sum.0.reg2mem.0
33	%indvar.next = add i32 %i.0.reg2mem.0, 1
34	%exitcond = icmp eq i32 %indvar.next, 1200
35	br i1 %exitcond, label %bb2, label %bb1
36
37bb2:		; preds = %bb1
38	ret i32 %3
39}
40
41attributes #0 = { "null-pointer-is-valid"="true" }
42