forked from OSchip/llvm-project
20 lines
580 B
LLVM
20 lines
580 B
LLVM
|
; RUN: opt -instcombine -S < %s | FileCheck %s
|
||
|
|
|
||
|
|
target datalayout = "e-m:e-p:64:64:64-i64:64-f80:128-n8:16:32:64-S128"
|
||
|
|
|
||
|
|
; CHECK-LABEL: @test_load_load_combine_metadata(
|
||
|
|
; Check that dereferenceable metadata is combined
|
||
|
|
; CHECK: load i32*, i32** %0
|
||
|
|
; CHECK-SAME: !dereferenceable ![[DEREF:[0-9]+]]
|
||
|
|
define void @test_load_load_combine_metadata(i32**, i32**, i32**) {
|
||
|
|
%a = load i32*, i32** %0, !dereferenceable !0
|
||
|
|
%b = load i32*, i32** %0, !dereferenceable !1
|
||
|
|
store i32 0, i32* %a
|
||
|
|
store i32 0, i32* %b
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
; CHECK: ![[DEREF]] = !{i64 4}
|
||
|
|
|
||
|
|
!0 = !{i64 4}
|
||
|
|
!1 = !{i64 8}
|