1; RUN: opt < %s -passes=globalopt -S | FileCheck %s 2 3target 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 5;; Heap SROA has been removed. This tests we don't perform heap SROA. 6; CHECK: @X = 7 %struct.foo = type { i32, i32 } 8@X = internal global ptr null ; <ptr> [#uses=2] 9 10define void @bar(i32 %Size) nounwind noinline { 11entry: 12 %malloccall = tail call ptr @malloc(i64 8000000) ; <ptr> [#uses=1] 13 %.sub = getelementptr [1000000 x %struct.foo], ptr %malloccall, i32 0, i32 0 ; <ptr> [#uses=1] 14 store ptr %.sub, ptr @X, align 4 15 ret void 16} 17 18declare noalias ptr @malloc(i64) 19 20define i32 @baz() nounwind readonly noinline { 21bb1.thread: 22 %tmpLD1 = load ptr, ptr @X, align 4 ; <ptr> [#uses=1] 23 br label %bb1 24 25bb1: ; preds = %bb1, %bb1.thread 26 %tmp = phi ptr [%tmpLD1, %bb1.thread ], [ %tmpLD2, %bb1 ] ; <i32> [#uses=2] 27 %i.0.reg2mem.0 = phi i32 [ 0, %bb1.thread ], [ %indvar.next, %bb1 ] ; <i32> [#uses=2] 28 %sum.0.reg2mem.0 = phi i32 [ 0, %bb1.thread ], [ %tmp3, %bb1 ] ; <i32> [#uses=1] 29 %tmp1 = getelementptr %struct.foo, ptr %tmp, i32 %i.0.reg2mem.0, i32 0 ; <ptr> [#uses=1] 30 %tmp2 = load i32, ptr %tmp1, align 4 ; <i32> [#uses=1] 31 %tmp6 = add i32 %tmp2, %sum.0.reg2mem.0 ; <i32> [#uses=2] 32 %tmp4 = getelementptr %struct.foo, ptr %tmp, i32 %i.0.reg2mem.0, i32 1 ; <ptr> [#uses=1] 33 %tmp5 = load i32 , ptr %tmp4 34 %tmp3 = add i32 %tmp5, %tmp6 35 %indvar.next = add i32 %i.0.reg2mem.0, 1 ; <i32> [#uses=2] 36 37 %tmpLD2 = load ptr, ptr @X, align 4 ; <ptr> [#uses=1] 38 39 %exitcond = icmp eq i32 %indvar.next, 1200 ; <i1> [#uses=1] 40 br i1 %exitcond, label %bb2, label %bb1 41 42bb2: ; preds = %bb1 43 ret i32 %tmp3 44} 45 46define void @bam(i64 %Size) nounwind noinline #0 { 47entry: 48 %0 = load ptr, ptr @X, align 4 49 ret void 50} 51 52attributes #0 = { null_pointer_is_valid } 53