1; RUN: opt < %s -globalopt -S | FileCheck %s 2 3@G = internal global i32 17 ; <i32*> [#uses=3] 4; CHECK-NOT: @G 5 6define void @foo() { 7 %V = load i32, i32* @G ; <i32> [#uses=1] 8 store i32 %V, i32* @G 9 ret void 10; CHECK-LABEL: @foo( 11; CHECK-NEXT: ret void 12} 13 14define i32 @bar() { 15 %X = load i32, i32* @G ; <i32> [#uses=1] 16 ret i32 %X 17; CHECK-LABEL: @bar( 18; CHECK-NEXT: ret i32 17 19} 20 21@a = internal global i64* null, align 8 22; CHECK-NOT: @a 23 24; PR13968 25define void @qux() nounwind { 26 %b = bitcast i64** @a to i8* 27 %g = getelementptr i64*, i64** @a, i32 1 28 %cmp = icmp ne i8* null, %b 29 %cmp2 = icmp eq i8* null, %b 30 %cmp3 = icmp eq i64** null, %g 31 store i64* inttoptr (i64 1 to i64*), i64** @a, align 8 32 %l = load i64*, i64** @a, align 8 33 ret void 34; CHECK-LABEL: @qux( 35; CHECK-NOT: store 36; CHECK-NOT: load 37} 38 39