; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -passes=newgvn %s -S | FileCheck %s declare void @use(i32) ; Make sure !tbaa metadata is preserved when only ssa_copy calls introduced by ; PredicateInfo are replaced. define i32 @test(i32* %p1, i32* %p2, i1 %c) { ; CHECK-LABEL: @test( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[LV:%.*]] = load i32, i32* [[P1:%.*]], align 8, !tbaa !0 ; CHECK-NEXT: [[CMP_1:%.*]] = icmp slt i32 [[LV]], 1 ; CHECK-NEXT: br i1 [[CMP_1]], label [[EXIT:%.*]], label [[IF_FALSE:%.*]] ; CHECK: if.false: ; CHECK-NEXT: br i1 [[C:%.*]], label [[EXIT]], label [[FOR_CHECK:%.*]] ; CHECK: for.check: ; CHECK-NEXT: [[CMP_2:%.*]] = icmp sgt i32 [[LV]], 0 ; CHECK-NEXT: br i1 [[CMP_2]], label [[FOR_PH:%.*]], label [[EXIT]] ; CHECK: for.ph: ; CHECK-NEXT: br label [[FOR_BODY:%.*]] ; CHECK: for.body: ; CHECK-NEXT: [[IV:%.*]] = phi i32 [ 0, [[FOR_PH]] ], [ [[IV_NEXT:%.*]], [[FOR_BODY]] ] ; CHECK-NEXT: call void @use(i32 [[IV]]) ; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i32 [[IV]], 1 ; CHECK-NEXT: [[CMP_3:%.*]] = icmp ne i32 [[IV_NEXT]], [[LV]] ; CHECK-NEXT: br i1 [[CMP_3]], label [[FOR_BODY]], label [[EXIT]] ; CHECK: exit: ; CHECK-NEXT: ret i32 [[LV]] ; entry: %lv = load i32, i32* %p1, align 8, !tbaa !0 %cmp.1 = icmp slt i32 %lv, 1 br i1 %cmp.1, label %exit, label %if.false if.false: ; preds = %entry br i1 %c, label %exit, label %for.check for.check: ; preds = %if.false %cmp.2 = icmp sgt i32 %lv, 0 br i1 %cmp.2, label %for.ph, label %exit for.ph: ; preds = %for.check br label %for.body for.body: ; preds = %for.body, %for.ph %iv = phi i32 [ 0, %for.ph ], [ %iv.next, %for.body ] call void @use(i32 %iv) %iv.next = add nuw nsw i32 %iv, 1 %cmp.3 = icmp ne i32 %iv.next, %lv br i1 %cmp.3, label %for.body, label %exit exit: ; preds = %for.body, %for.check, %if.false, %entry ret i32 %lv } !0 = !{!1, !2, i64 0} !1 = !{!"FULL", !2, i64 0, !2, i64 4, !3, i64 8} !2 = !{!"int", !3, i64 0} !3 = !{!"omnipotent char", !4, i64 0} !4 = !{!"Simple C/C++ TBAA"}