forked from OSchip/llvm-project
21 lines
613 B
LLVM
21 lines
613 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_or_null metadata is combined
|
|
; CHECK: load i32*, i32** %0
|
|
; CHECK-SAME: !dereferenceable_or_null ![[DEREF:[0-9]+]]
|
|
define void @test_load_load_combine_metadata(i32**, i32**, i32**) {
|
|
%a = load i32*, i32** %0, !dereferenceable_or_null !0
|
|
%b = load i32*, i32** %0, !dereferenceable_or_null !1
|
|
store i32 0, i32* %a
|
|
store i32 0, i32* %b
|
|
ret void
|
|
}
|
|
|
|
; CHECK: ![[DEREF]] = !{i64 4}
|
|
|
|
!0 = !{i64 4}
|
|
!1 = !{i64 8}
|