1 ; RUN: opt < %s -globalopt -S | FileCheck %s
2 target 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"
4 %struct.foo = type { i32, i32 }
6 @X = internal global %struct.foo* null
10 define void @bar(i64 %Size) nounwind noinline #0 {
12 %mallocsize = shl i64 %Size, 3 ; <i64> [#uses=1]
13 %malloccall = tail call i8* @malloc(i64 %mallocsize) ; <i8*> [#uses=1]
14 ; CHECK: shl i64 %Size, 3
15 %.sub = bitcast i8* %malloccall to %struct.foo* ; <%struct.foo*> [#uses=1]
16 store %struct.foo* %.sub, %struct.foo** @X, align 4
20 declare noalias i8* @malloc(i64)
22 define i32 @baz() nounwind readonly noinline #0 {
25 ; CHECK: load %struct.foo*, %struct.foo** @X, align 4
26 %0 = load %struct.foo*, %struct.foo** @X, align 4
29 bb1: ; preds = %bb1, %bb1.thread
30 %i.0.reg2mem.0 = phi i32 [ 0, %bb1.thread ], [ %indvar.next, %bb1 ]
31 %sum.0.reg2mem.0 = phi i32 [ 0, %bb1.thread ], [ %3, %bb1 ]
32 %1 = getelementptr %struct.foo, %struct.foo* %0, i32 %i.0.reg2mem.0, i32 0
33 %2 = load i32, i32* %1, align 4
34 ; CHECK: load i32, i32* %1, align 4
35 %3 = add i32 %2, %sum.0.reg2mem.0
36 %indvar.next = add i32 %i.0.reg2mem.0, 1
37 %exitcond = icmp eq i32 %indvar.next, 1200
38 br i1 %exitcond, label %bb2, label %bb1
44 attributes #0 = { "null-pointer-is-valid"="true" }