| ; RUN: opt < %s -passes=gvn -S | FileCheck %s |
| ; PR1996 |
| |
| %struct.anon = type { i32, i8, i8, i8, i8 } |
| |
| define i32 @a() { |
| entry: |
| %c = alloca %struct.anon ; <ptr> [#uses=2] |
| %tmp = getelementptr %struct.anon, ptr %c, i32 0, i32 0 ; <ptr> [#uses=1] |
| %tmp1 = getelementptr i32, ptr %tmp, i32 1 ; <ptr> [#uses=2] |
| %tmp2 = load i32, ptr %tmp1, align 4 ; <i32> [#uses=1] |
| ; CHECK-NOT: load |
| %tmp3 = or i32 %tmp2, 11 ; <i32> [#uses=1] |
| %tmp4 = and i32 %tmp3, -21 ; <i32> [#uses=1] |
| store i32 %tmp4, ptr %tmp1, align 4 |
| %call = call i32 (...) @x( ptr %c ) ; <i32> [#uses=0] |
| ret i32 undef |
| } |
| |
| |
| declare i32 @x(...) |
