| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -S -indvars < %s | FileCheck %s |
| |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| |
| define void @test() { |
| ; CHECK-LABEL: @test( |
| ; CHECK-NEXT: bb: |
| ; CHECK-NEXT: br label [[BB2:%.*]] |
| ; CHECK: bb1: |
| ; CHECK-NEXT: br label [[BB2]] |
| ; CHECK: bb2: |
| ; CHECK-NEXT: [[TMP:%.*]] = phi i32 [ -9, [[BB:%.*]] ], [ [[TMP6:%.*]], [[BB1:%.*]] ] |
| ; CHECK-NEXT: br label [[BB3:%.*]] |
| ; CHECK: bb3: |
| ; CHECK-NEXT: [[TMP4:%.*]] = phi i32 [ -9, [[BB2]] ], [ [[TMP6]], [[BB10:%.*]] ] |
| ; CHECK-NEXT: br i1 false, label [[BB5:%.*]], label [[BB12:%.*]] |
| ; CHECK: bb5: |
| ; CHECK-NEXT: [[TMP6]] = add nsw i32 [[TMP4]], -1 |
| ; CHECK-NEXT: br i1 undef, label [[BB8:%.*]], label [[BB9:%.*]] |
| ; CHECK: bb8: |
| ; CHECK-NEXT: br label [[BB10]] |
| ; CHECK: bb9: |
| ; CHECK-NEXT: br label [[BB10]] |
| ; CHECK: bb10: |
| ; CHECK-NEXT: br label [[BB3]] |
| ; CHECK: bb12: |
| ; CHECK-NEXT: ret void |
| ; |
| |
| bb: |
| br label %bb2 |
| |
| bb1: ; No predecessors! |
| br label %bb2 |
| |
| bb2: ; preds = %bb1, %bb |
| %tmp = phi i32 [ -9, %bb ], [ %tmp6, %bb1 ] |
| br label %bb3 |
| |
| bb3: ; preds = %bb10, %bb2 |
| %tmp4 = phi i32 [ -9, %bb2 ], [ %tmp6, %bb10 ] |
| br i1 undef, label %bb5, label %bb12 |
| |
| bb5: ; preds = %bb3 |
| %tmp6 = add i32 %tmp4, -1 |
| %tmp7 = zext i32 %tmp6 to i64 |
| br i1 undef, label %bb8, label %bb9 |
| |
| bb8: ; preds = %bb5 |
| br label %bb10 |
| |
| bb9: ; preds = %bb5 |
| br label %bb10 |
| |
| bb10: ; preds = %bb9, %bb8 |
| %tmp11 = and i64 undef, %tmp7 |
| br label %bb3 |
| |
| bb12: ; preds = %bb3 |
| ret void |
| } |
