31 lines
666 B
LLVM
31 lines
666 B
LLVM
; RUN: opt -instcombine -S < %s | FileCheck %s
|
|
|
|
declare void @bar()
|
|
declare void @baz()
|
|
|
|
; Check that align metadata is combined
|
|
; CHECK-LABEL: cont:
|
|
; CHECK: load i32*, i32**
|
|
; CHECK-SAME: !align ![[ALIGN:[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, !align !0
|
|
br label %cont
|
|
|
|
f:
|
|
call void @baz()
|
|
%v2 = load i32*, i32** %p2, align 8, !align !1
|
|
br label %cont
|
|
|
|
cont:
|
|
%res = phi i32* [ %v1, %t ], [ %v2, %f ]
|
|
ret i32* %res
|
|
}
|
|
|
|
; CHECK: ![[ALIGN]] = !{i64 8}
|
|
|
|
!0 = !{i64 8}
|
|
!1 = !{i64 16}
|