Home | History | Annotate | Download | only in InstCombine
      1 ; RUN: opt -instcombine -S < %s | FileCheck %s
      2 
      3 declare void @bar()
      4 declare void @baz()
      5 
      6 ; Check that align metadata is combined
      7 ; CHECK-LABEL: cont:
      8 ; CHECK: load i32*, i32**
      9 ; CHECK-SAME: !align ![[ALIGN:[0-9]+]]
     10 define i32* @test_phi_combine_load_metadata(i1 %c, i32** dereferenceable(8) %p1, i32** dereferenceable(8) %p2) {
     11   br i1 %c, label %t, label %f
     12 t:
     13   call void @bar()
     14   %v1 = load i32*, i32** %p1, align 8, !align !0
     15   br label %cont
     16 
     17 f:
     18   call void @baz()
     19   %v2 = load i32*, i32** %p2, align 8, !align !1
     20   br label %cont
     21 
     22 cont:
     23   %res = phi i32* [ %v1, %t ], [ %v2, %f ]
     24   ret i32* %res
     25 }
     26 
     27 ; CHECK: ![[ALIGN]] = !{i64 8}
     28 
     29 !0 = !{i64 8}
     30 !1 = !{i64 16}
     31