| Artur Pilipenko | 5c5011d | 2015-11-02 17:53:51 +0000 | [diff] [blame] | 1 | ; RUN: opt -instcombine -S < %s | FileCheck %s |
| 2 | |
| 3 | target datalayout = "e-m:e-p:64:64:64-i64:64-f80:128-n8:16:32:64-S128" |
| 4 | |
| 5 | ; CHECK-LABEL: @test_load_load_combine_metadata( |
| 6 | ; Check that dereferenceable_or_null metadata is combined |
| 7 | ; CHECK: load i32*, i32** %0 |
| 8 | ; CHECK-SAME: !dereferenceable_or_null ![[DEREF:[0-9]+]] |
| 9 | define void @test_load_load_combine_metadata(i32**, i32**, i32**) { |
| 10 | %a = load i32*, i32** %0, !dereferenceable_or_null !0 |
| 11 | %b = load i32*, i32** %0, !dereferenceable_or_null !1 |
| 12 | store i32 0, i32* %a |
| 13 | store i32 0, i32* %b |
| 14 | ret void |
| 15 | } |
| 16 | |
| 17 | ; CHECK: ![[DEREF]] = !{i64 4} |
| 18 | |
| 19 | !0 = !{i64 4} |
| 20 | !1 = !{i64 8} |