| ; RUN: opt < %s -instcombine -disable-output |
| ; PR1780 |
| |
| target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32" |
| target triple = "i686-pc-linux-gnu" |
| |
| %opaque_t = type opaque |
| %opaque2 = type opaque |
| %op_ts = type {%opaque2, i32} |
| |
| @g = external global %opaque_t |
| @h = external global %op_ts |
| |
| define i32 @foo() { |
| entry: |
| %x = load i8* bitcast (%opaque_t* @g to i8*) |
| %y = load i32* bitcast (%op_ts* @h to i32*) |
| %z = zext i8 %x to i32 |
| %r = add i32 %y, %z |
| ret i32 %r |
| } |
| |