| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -S -passes=jump-threading -aa-pipeline basic-aa < %s | FileCheck %s |
| |
| define void @foo(ptr %arg1, ptr %arg2) { |
| ; CHECK-LABEL: @foo( |
| ; CHECK-NEXT: bb: |
| ; CHECK-NEXT: br label [[BB1:%.*]] |
| ; CHECK: bb1: |
| ; CHECK-NEXT: [[TMP:%.*]] = phi i1 [ false, [[BB24:%.*]] ], [ true, [[BB:%.*]] ] |
| ; CHECK-NEXT: br i1 [[TMP]], label [[BB8:%.*]], label [[BB24]] |
| ; CHECK: bb8: |
| ; CHECK-NEXT: ret void |
| ; CHECK: bb24: |
| ; CHECK-NEXT: br label [[BB1]] |
| ; |
| bb: |
| br label %bb1 |
| |
| bb1: |
| %tmp = phi i1 [ 0, %bb24 ], [ 1, %bb ] |
| br i1 %tmp, label %bb9, label %bb24 |
| |
| |
| bb9: |
| br i1 %tmp, label %bb8, label %bb20 |
| |
| bb8: |
| ret void |
| |
| bb13: |
| br label %bb14 |
| |
| bb14: |
| %tmp15 = phi ptr [ %tmp21, %bb20 ], [ %arg2, %bb13 ] |
| %tmp16 = phi ptr [ %tmp22, %bb20 ], [ %arg1, %bb13 ] |
| store atomic i32 0, ptr %tmp15 unordered, align 4 |
| %tmp17 = load atomic ptr, ptr %tmp16 unordered, align 8 |
| %tmp18 = icmp eq ptr %tmp17, null |
| br i1 %tmp18, label %bb25, label %bb19 |
| |
| bb19: |
| ret void |
| |
| bb20: |
| %tmp21 = phi ptr [ %arg2, %bb9 ] |
| %tmp22 = phi ptr [ %arg1, %bb9 ] |
| br label %bb14 |
| |
| bb24: |
| br label %bb1 |
| |
| bb25: |
| ret void |
| } |