1; RUN: opt < %s -passes=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 6@X = internal global ptr null ; <ptr> [#uses=2] 7; CHECK: @X 8; CHECK-NOT: @X.f0 9 10define void @bar(i32 %Size) nounwind noinline #0 { 11; CHECK-LABEL: @bar( 12entry: 13 %malloccall = tail call ptr @malloc(i64 8000000) ; <ptr> [#uses=1] 14 %.sub = getelementptr [1000000 x %struct.foo], ptr %malloccall, i32 0, i32 0 ; <ptr> [#uses=1] 15 store ptr %.sub, ptr @X, align 4 16 ret void 17} 18 19declare noalias ptr @malloc(i64) 20 21define i32 @baz() nounwind readonly noinline #0 { 22; CHECK-LABEL: @baz( 23bb1.thread: 24 %tmpLD1 = load ptr, ptr @X, align 4 ; <ptr> [#uses=1] 25; CHECK: load ptr, ptr @X, align 4 26 br label %bb1 27 28bb1: ; preds = %bb1, %bb1.thread 29 %tmp = phi ptr [%tmpLD1, %bb1.thread ], [ %tmpLD2, %bb1 ] ; <i32> [#uses=2] 30; CHECK: %tmp = phi ptr [ %tmpLD1, %bb1.thread ], [ %tmpLD2, %bb1 ] 31 %i.0.reg2mem.0 = phi i32 [ 0, %bb1.thread ], [ %indvar.next, %bb1 ] ; <i32> [#uses=2] 32 %sum.0.reg2mem.0 = phi i32 [ 0, %bb1.thread ], [ %tmp3, %bb1 ] ; <i32> [#uses=1] 33 %tmp1 = getelementptr %struct.foo, ptr %tmp, i32 %i.0.reg2mem.0, i32 0 ; <ptr> [#uses=1] 34 %tmp2 = load i32, ptr %tmp1, align 4 ; <i32> [#uses=1] 35; CHECK: load i32, ptr %tmp1, align 4 36 %tmp6 = add i32 %tmp2, %sum.0.reg2mem.0 ; <i32> [#uses=2] 37 %tmp4 = getelementptr %struct.foo, ptr %tmp, i32 %i.0.reg2mem.0, i32 1 ; <ptr> [#uses=1] 38 %tmp5 = load i32 , ptr %tmp4 39; CHECK: load i32, ptr %tmp4 40 %tmp3 = add i32 %tmp5, %tmp6 41 %indvar.next = add i32 %i.0.reg2mem.0, 1 ; <i32> [#uses=2] 42 43 %tmpLD2 = load ptr, ptr @X, align 4 ; <ptr> [#uses=1] 44; CHECK: load ptr, ptr @X, align 4 45 46 %exitcond = icmp eq i32 %indvar.next, 1200 ; <i1> [#uses=1] 47 br i1 %exitcond, label %bb2, label %bb1 48 49bb2: ; preds = %bb1 50 ret i32 %tmp3 51} 52 53attributes #0 = { null_pointer_is_valid } 54