1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals 2; RUN: opt < %s -passes=globalopt -S | FileCheck %s 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@G = internal global ptr null ; <ptr> [#uses=3] 6 7;. 8; CHECK: @[[G:[a-zA-Z0-9_$"\\.-]+]] = internal unnamed_addr global ptr null 9;. 10define void @init() #0 { 11; CHECK-LABEL: @init( 12; CHECK-NEXT: [[MALLOCCALL:%.*]] = tail call ptr @malloc(i64 4) 13; CHECK-NEXT: store ptr [[MALLOCCALL]], ptr @G, align 8 14; CHECK-NEXT: [[GV:%.*]] = load ptr, ptr @G, align 8 15; CHECK-NEXT: store i32 0, ptr [[GV]], align 4 16; CHECK-NEXT: ret void 17; 18 %malloccall = tail call ptr @malloc(i64 4) 19 store ptr %malloccall, ptr @G 20 %GV = load ptr, ptr @G 21 store i32 0, ptr %GV 22 ret void 23} 24 25declare noalias ptr @malloc(i64) 26 27define i32 @get() #0 { 28; CHECK-LABEL: @get( 29; CHECK-NEXT: [[GV:%.*]] = load ptr, ptr @G, align 8 30; CHECK-NEXT: [[V:%.*]] = load i32, ptr [[GV]], align 4 31; CHECK-NEXT: ret i32 [[V]] 32; 33 %GV = load ptr, ptr @G 34 %V = load i32, ptr %GV 35 ret i32 %V 36} 37 38attributes #0 = { null_pointer_is_valid } 39;. 40; CHECK: attributes #[[ATTR0:[0-9]+]] = { null_pointer_is_valid } 41;. 42