Update test

Author: dianqk

llvm/test/Transforms/LICM/PR116813-memoryssa-outdated.ll

@@ -1,23 +1,49 @@
-; RUN: opt -passes='loop-mssa(simple-loop-unswitch<nontrivial>),print<memoryssa>' -verify-memoryssa -disable-output -S < %s 2>&1 | FileCheck %s
-; RUN: opt -passes='loop-mssa(simple-loop-unswitch<nontrivial>,licm)' -verify-memoryssa -disable-output -S
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
+; RUN: opt -passes='loop-mssa(simple-loop-unswitch<nontrivial>,licm)' -verify-memoryssa -S < %s | FileCheck %s
 
-; Check that SimpleLoopUnswitch preserves the MemoryDef of `call i32 @bar()`.
-; Also, check that running LICM after SimpleLoopUnswitch does not result in a crash.
-
-; CHECK: preds = %bb2{{$}}
-; CHECK-NEXT: MemoryDef
-; CHECK-NEXT: call i32 @bar()
+; Check that running LICM after SimpleLoopUnswitch does not result in a crash.
 
 define i32 @foo(i1 %arg, ptr %arg1) {
-bb:
-  br label %bb2
+; CHECK-LABEL: define i32 @foo(
+; CHECK-SAME: i1 [[ARG:%.*]], ptr [[ARG1:%.*]]) {
+; CHECK-NEXT:  [[START:.*:]]
+; CHECK-NEXT:    [[ARG_FR:%.*]] = freeze i1 [[ARG]]
+; CHECK-NEXT:    br i1 [[ARG_FR]], label %[[START_SPLIT_US:.*]], label %[[START_SPLIT:.*]]
+; CHECK:       [[START_SPLIT_US]]:
+; CHECK-NEXT:    br label %[[LOOP_US:.*]]
+; CHECK:       [[LOOP_US]]:
+; CHECK-NEXT:    br label %[[BB0:.*]]
+; CHECK:       [[BB0]]:
+; CHECK-NEXT:    br label %[[BB1:.*]]
+; CHECK:       [[BB1]]:
+; CHECK-NEXT:    [[UNSWITCHED_SELECT_US:%.*]] = phi ptr [ [[ARG1]], %[[BB0]] ]
+; CHECK-NEXT:    [[I3_US:%.*]] = call i32 [[UNSWITCHED_SELECT_US]]()
+; CHECK-NEXT:    br i1 true, label %[[LOOP_US]], label %[[RET_SPLIT_US:.*]]
+; CHECK:       [[RET_SPLIT_US]]:
+; CHECK-NEXT:    [[I3_LCSSA_US:%.*]] = phi i32 [ [[I3_US]], %[[BB1]] ]
+; CHECK-NEXT:    br label %[[RET:.*]]
+; CHECK:       [[START_SPLIT]]:
+; CHECK-NEXT:    br label %[[LOOP:.*]]
+; CHECK:       [[LOOP]]:
+; CHECK-NEXT:    br label %[[BB2:.*]]
+; CHECK:       [[BB2]]:
+; CHECK-NEXT:    br i1 false, label %[[LOOP]], label %[[RET_SPLIT:.*]]
+; CHECK:       [[RET_SPLIT]]:
+; CHECK-NEXT:    [[I3_LE:%.*]] = call i32 @bar()
+; CHECK-NEXT:    br label %[[RET]]
+; CHECK:       [[RET]]:
+; CHECK-NEXT:    [[DOTUS_PHI:%.*]] = phi i32 [ [[I3_LE]], %[[RET_SPLIT]] ], [ [[I3_LCSSA_US]], %[[RET_SPLIT_US]] ]
+; CHECK-NEXT:    ret i32 [[DOTUS_PHI]]
+;
+start:
+  br label %loop
 
-bb2:                                              ; preds = %bb2, %bb
+loop:                                              ; preds = %loop, %bb
   %i = select i1 %arg, ptr %arg1, ptr @bar
   %i3 = call i32 %i()
-  br i1 %arg, label %bb2, label %bb4
+  br i1 %arg, label %loop, label %ret
 
-bb4:                                              ; preds = %bb2
+ret:                                              ; preds = %loop
   ret i32 %i3
 }