| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -newgvn -S %s | FileCheck %s |
| ; Ensure that loads that bypass memory def-use chains get added as users of the new |
| ; MemoryDef. Otherwise this test will not pass memory verification because the value |
| ; of the load will not be reprocessed until verification. |
| ; ModuleID = 'bugpoint-reduced-simplified.bc' |
| source_filename = "bugpoint-output-f242c4f.bc" |
| target triple = "x86_64-apple-darwin16.7.0" |
| |
| @global = external global i32 #0 |
| @global.1 = external global i32 #0 |
| |
| define void @hoge(i32 %arg) { |
| ; CHECK-LABEL: @hoge( |
| ; CHECK-NEXT: bb: |
| ; CHECK-NEXT: br label [[BB2:%.*]] |
| ; CHECK: bb1: |
| ; CHECK-NEXT: br label [[BB2]] |
| ; CHECK: bb2: |
| ; CHECK-NEXT: [[TMP:%.*]] = phi i32 [ 0, [[BB1:%.*]] ], [ [[ARG:%.*]], [[BB:%.*]] ] |
| ; CHECK-NEXT: br label [[BB6:%.*]] |
| ; CHECK: bb3: |
| ; CHECK-NEXT: [[TMP4:%.*]] = load i32, i32* @global, !h !0 |
| ; CHECK-NEXT: unreachable |
| ; CHECK: bb6: |
| ; CHECK-NEXT: store i32 [[TMP]], i32* @global.1, !h !0 |
| ; CHECK-NEXT: br i1 undef, label [[BB7:%.*]], label [[BB1]] |
| ; CHECK: bb7: |
| ; CHECK-NEXT: br i1 undef, label [[BB10:%.*]], label [[BB8:%.*]] |
| ; CHECK: bb8: |
| ; CHECK-NEXT: br i1 false, label [[BB9:%.*]], label [[BB3:%.*]] |
| ; CHECK: bb9: |
| ; CHECK-NEXT: store i8 undef, i8* null |
| ; CHECK-NEXT: br label [[BB3]] |
| ; CHECK: bb10: |
| ; CHECK-NEXT: store i32 0, i32* @global, !h !0 |
| ; CHECK-NEXT: br label [[BB7]] |
| ; |
| bb: |
| br label %bb2 |
| |
| bb1: ; preds = %bb6 |
| br label %bb2 |
| |
| bb2: ; preds = %bb1, %bb |
| %tmp = phi i32 [ 0, %bb1 ], [ %arg, %bb ] |
| br label %bb6 |
| |
| bb3: ; preds = %bb9, %bb8 |
| %tmp4 = load i32, i32* @global, !h !0 |
| %tmp5 = icmp eq i32 %tmp4, 0 |
| unreachable |
| |
| bb6: ; preds = %bb2 |
| store i32 %tmp, i32* @global.1, !h !0 |
| br i1 undef, label %bb7, label %bb1 |
| |
| bb7: ; preds = %bb10, %bb6 |
| br i1 undef, label %bb10, label %bb8 |
| |
| bb8: ; preds = %bb7 |
| br i1 false, label %bb9, label %bb3 |
| |
| bb9: ; preds = %bb8 |
| call void @widget() |
| br label %bb3 |
| |
| bb10: ; preds = %bb7 |
| store i32 0, i32* @global, !h !0 |
| br label %bb7 |
| } |
| |
| declare void @widget() |
| |
| attributes #0 = { align=4 } |
| |
| !0 = !{} |
