1; RUN: opt < %s -gvn -S | FileCheck %s 2; PR1996 3 4%struct.anon = type { i32, i8, i8, i8, i8 } 5 6define i32 @a() { 7entry: 8 %c = alloca %struct.anon ; <%struct.anon*> [#uses=2] 9 %tmp = getelementptr %struct.anon, %struct.anon* %c, i32 0, i32 0 ; <i32*> [#uses=1] 10 %tmp1 = getelementptr i32, i32* %tmp, i32 1 ; <i32*> [#uses=2] 11 %tmp2 = load i32, i32* %tmp1, align 4 ; <i32> [#uses=1] 12; CHECK-NOT: load 13 %tmp3 = or i32 %tmp2, 11 ; <i32> [#uses=1] 14 %tmp4 = and i32 %tmp3, -21 ; <i32> [#uses=1] 15 store i32 %tmp4, i32* %tmp1, align 4 16 %call = call i32 (...) @x( %struct.anon* %c ) ; <i32> [#uses=0] 17 ret i32 undef 18} 19 20 21declare i32 @x(...) 22