| ; RUN: opt < %s -passes=gvn -S | FileCheck %s | |
| 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-f128:128:128-n8:16:32:64" | |
| target triple = "x86_64-unknown-linux-gnu" | |
| @g = external global i31 | |
| define void @main() nounwind uwtable { | |
| entry: | |
| ; CHECK: store i32 | |
| store i32 402662078, ptr @g, align 8 | |
| ; CHECK-NOT: load i31 | |
| %0 = load i31, ptr @g, align 8 | |
| ; CHECK: store i31 | |
| store i31 %0, ptr undef, align 1 | |
| unreachable | |
| } |