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 }
5 @X = internal global %struct.foo* null
9 define void @bar(i64 %Size) nounwind noinline {
11 %mallocsize = shl i64 %Size, 3 ; <i64> [#uses=1]
12 %malloccall = tail call i8* @malloc(i64 %mallocsize) ; <i8*> [#uses=1]
13 ; CHECK: mul i64 %Size, 4
14 %.sub = bitcast i8* %malloccall to %struct.foo* ; <%struct.foo*> [#uses=1]
15 store %struct.foo* %.sub, %struct.foo** @X, align 4
19 declare noalias i8* @malloc(i64)
21 define i32 @baz() nounwind readonly noinline {
23 %0 = load %struct.foo*, %struct.foo** @X, align 4
26 bb1: ; preds = %bb1, %bb1.thread
27 %i.0.reg2mem.0 = phi i32 [ 0, %bb1.thread ], [ %indvar.next, %bb1 ]
28 %sum.0.reg2mem.0 = phi i32 [ 0, %bb1.thread ], [ %3, %bb1 ]
29 %1 = getelementptr %struct.foo, %struct.foo* %0, i32 %i.0.reg2mem.0, i32 0
30 %2 = load i32, i32* %1, align 4
31 %3 = add i32 %2, %sum.0.reg2mem.0
32 %indvar.next = add i32 %i.0.reg2mem.0, 1
33 %exitcond = icmp eq i32 %indvar.next, 1200
34 br i1 %exitcond, label %bb2, label %bb1
40 define void @bam(i64 %Size) nounwind noinline #0 {
42 %0 = load %struct.foo*, %struct.foo** @X, align 4
46 attributes #0 = { "null-pointer-is-valid"="true" }