3734e4c0c4
When sinking a store, preserve common metadata present on stores on both sides of the diamond. PR: https://github.com/llvm/llvm-project/pull/116382
110 lines
4.3 KiB
LLVM
110 lines
4.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
|
|
; RUN: opt -passes=mldst-motion -S %s | FileCheck %s
|
|
|
|
target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-n32:64-S128-Fn32"
|
|
|
|
define void @perserve_common_metadata(i1 %c, ptr %dst, ptr %min) {
|
|
; CHECK-LABEL: define void @perserve_common_metadata(
|
|
; CHECK-SAME: i1 [[C:%.*]], ptr [[DST:%.*]], ptr [[MIN:%.*]]) {
|
|
; CHECK-NEXT: [[ENTRY:.*:]]
|
|
; CHECK-NEXT: [[GEP_DST_16:%.*]] = getelementptr inbounds nuw i8, ptr [[DST]], i64 16
|
|
; CHECK-NEXT: br i1 [[C]], label %[[THEN:.*]], label %[[ELSE:.*]]
|
|
; CHECK: [[THEN]]:
|
|
; CHECK-NEXT: store ptr [[DST]], ptr [[MIN]], align 8, !tbaa [[TBAA0:![0-9]+]]
|
|
; CHECK-NEXT: br label %[[RETURN:.*]]
|
|
; CHECK: [[ELSE]]:
|
|
; CHECK-NEXT: [[GEP_DST_24:%.*]] = getelementptr inbounds nuw i8, ptr [[DST]], i64 24
|
|
; CHECK-NEXT: store ptr null, ptr [[GEP_DST_24]], align 8
|
|
; CHECK-NEXT: br label %[[RETURN]]
|
|
; CHECK: [[RETURN]]:
|
|
; CHECK-NEXT: [[DOTSINK:%.*]] = phi ptr [ [[DST]], %[[THEN]] ], [ null, %[[ELSE]] ]
|
|
; CHECK-NEXT: store ptr [[DOTSINK]], ptr [[GEP_DST_16]], align 8, !tbaa [[TBAA4:![0-9]+]], !alias.scope [[META6:![0-9]+]], !noalias [[META6]], !llvm.access.group [[ACC_GRP9:![0-9]+]]
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
entry:
|
|
%gep.dst.16 = getelementptr inbounds nuw i8, ptr %dst, i64 16
|
|
br i1 %c, label %then, label %else
|
|
|
|
then:
|
|
store ptr %dst, ptr %gep.dst.16, align 8, !tbaa !0, !alias.scope !9, !noalias !9, !llvm.access.group !13
|
|
store ptr %dst, ptr %min, align 8, !tbaa !5
|
|
br label %return
|
|
|
|
else:
|
|
store ptr null, ptr %gep.dst.16, align 8, !tbaa !0, !alias.scope !9, !noalias !9, !llvm.access.group !13
|
|
%gep.dst.24 = getelementptr inbounds nuw i8, ptr %dst, i64 24
|
|
store ptr null, ptr %gep.dst.24, align 8
|
|
br label %return
|
|
|
|
return:
|
|
ret void
|
|
}
|
|
|
|
define void @clear_different_metadata(i1 %c, ptr %dst, ptr %min) {
|
|
; CHECK-LABEL: define void @clear_different_metadata(
|
|
; CHECK-SAME: i1 [[C:%.*]], ptr [[DST:%.*]], ptr [[MIN:%.*]]) {
|
|
; CHECK-NEXT: [[ENTRY:.*:]]
|
|
; CHECK-NEXT: [[GEP_DST_16:%.*]] = getelementptr inbounds nuw i8, ptr [[DST]], i64 16
|
|
; CHECK-NEXT: br i1 [[C]], label %[[THEN:.*]], label %[[ELSE:.*]]
|
|
; CHECK: [[THEN]]:
|
|
; CHECK-NEXT: store ptr [[DST]], ptr [[MIN]], align 8, !tbaa [[TBAA10:![0-9]+]]
|
|
; CHECK-NEXT: br label %[[RETURN:.*]]
|
|
; CHECK: [[ELSE]]:
|
|
; CHECK-NEXT: [[GEP_DST_24:%.*]] = getelementptr inbounds nuw i8, ptr [[DST]], i64 24
|
|
; CHECK-NEXT: store ptr null, ptr [[GEP_DST_24]], align 8
|
|
; CHECK-NEXT: br label %[[RETURN]]
|
|
; CHECK: [[RETURN]]:
|
|
; CHECK-NEXT: [[DOTSINK:%.*]] = phi ptr [ [[DST]], %[[THEN]] ], [ null, %[[ELSE]] ]
|
|
; CHECK-NEXT: store ptr [[DOTSINK]], ptr [[GEP_DST_16]], align 8
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
entry:
|
|
%gep.dst.16 = getelementptr inbounds nuw i8, ptr %dst, i64 16
|
|
br i1 %c, label %then, label %else
|
|
|
|
then:
|
|
store ptr %dst, ptr %gep.dst.16, align 8, !tbaa !5, !alias.scope !9, !noalias !9, !llvm.access.group !13
|
|
store ptr %dst, ptr %min, align 8, !tbaa !6
|
|
br label %return
|
|
|
|
else:
|
|
store ptr null, ptr %gep.dst.16, align 8, !tbaa !6, !alias.scope !12, !noalias !12, !llvm.access.group !14
|
|
%gep.dst.24 = getelementptr inbounds nuw i8, ptr %dst, i64 24
|
|
store ptr null, ptr %gep.dst.24, align 8
|
|
br label %return
|
|
|
|
return:
|
|
ret void
|
|
}
|
|
|
|
!0 = !{!1, !1, i64 0, i64 0}
|
|
!1 = !{!"long", !2}
|
|
!2 = !{!"omnipotent char", !3, i64 0}
|
|
!3 = !{!"Simple C++ TBAA"}
|
|
!4 = !{!5, !5, i64 0, i64 0}
|
|
!5 = !{!"int", !2}
|
|
!6 = !{!7, !7, i64 0, i64 0}
|
|
!7 = !{!"p2 _Foo", !8}
|
|
!8 = !{!"any pointer", !2, i64 0}
|
|
!9 = !{!10}
|
|
!10 = distinct !{!10, !11}
|
|
!11 = distinct !{!11}
|
|
!12 = distinct !{!10}
|
|
!13 = distinct !{}
|
|
!14 = distinct !{}
|
|
;.
|
|
; CHECK: [[TBAA0]] = !{[[META1:![0-9]+]], [[META1]], i64 0}
|
|
; CHECK: [[META1]] = !{!"int", [[META2:![0-9]+]]}
|
|
; CHECK: [[META2]] = !{!"omnipotent char", [[META3:![0-9]+]], i64 0}
|
|
; CHECK: [[META3]] = !{!"Simple C++ TBAA"}
|
|
; CHECK: [[TBAA4]] = !{[[META5:![0-9]+]], [[META5]], i64 0, i64 0}
|
|
; CHECK: [[META5]] = !{!"long", [[META2]]}
|
|
; CHECK: [[META6]] = !{[[META7:![0-9]+]]}
|
|
; CHECK: [[META7]] = distinct !{[[META7]], [[META8:![0-9]+]]}
|
|
; CHECK: [[META8]] = distinct !{[[META8]]}
|
|
; CHECK: [[ACC_GRP9]] = distinct !{}
|
|
; CHECK: [[TBAA10]] = !{[[META11:![0-9]+]], [[META11]], i64 0, i64 0}
|
|
; CHECK: [[META11]] = !{!"p2 _Foo", [[META12:![0-9]+]]}
|
|
; CHECK: [[META12]] = !{!"any pointer", [[META2]], i64 0}
|
|
;.
|