| ; RUN: opt -S -instcombine < %s | FileCheck %s |
| |
| ; Instcombine should preserve metadata and alignment while |
| ; folding a bitcast into a store. |
| |
| ; CHECK: store i32 (...)** bitcast (i8** getelementptr inbounds ([5 x i8*]* @G, i64 0, i64 2) to i32 (...)**), i32 (...)*** %0, align 16, !tag !0 |
| |
| target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" |
| |
| %struct.A = type { i32 (...)** } |
| |
| @G = external constant [5 x i8*] |
| |
| define void @foo(%struct.A* %a) nounwind { |
| entry: |
| %0 = bitcast %struct.A* %a to i8*** |
| store i8** getelementptr inbounds ([5 x i8*]* @G, i64 0, i64 2), i8*** %0, align 16, !tag !0 |
| ret void |
| } |
| |
| !0 = metadata !{metadata !"hello"} |
