mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-23 19:23:23 +01:00
a62270de2c
The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
31 lines
738 B
LLVM
31 lines
738 B
LLVM
; RUN: opt -instcombine -S < %s | FileCheck %s
|
|
|
|
declare void @bar()
|
|
declare void @baz()
|
|
|
|
; Check that dereferenceable_or_null metadata is combined
|
|
; CHECK-LABEL: cont:
|
|
; CHECK: load i32*, i32**
|
|
; CHECK-SAME: !dereferenceable_or_null ![[DEREF:[0-9]+]]
|
|
define i32* @test_phi_combine_load_metadata(i1 %c, i32** dereferenceable(8) %p1, i32** dereferenceable(8) %p2) {
|
|
br i1 %c, label %t, label %f
|
|
t:
|
|
call void @bar()
|
|
%v1 = load i32*, i32** %p1, align 8, !dereferenceable_or_null !0
|
|
br label %cont
|
|
|
|
f:
|
|
call void @baz()
|
|
%v2 = load i32*, i32** %p2, align 8, !dereferenceable_or_null !1
|
|
br label %cont
|
|
|
|
cont:
|
|
%res = phi i32* [ %v1, %t ], [ %v2, %f ]
|
|
ret i32* %res
|
|
}
|
|
|
|
; CHECK: ![[DEREF]] = !{i64 8}
|
|
|
|
!0 = !{i64 8}
|
|
!1 = !{i64 16}
|