[llvm] 7d6e7d5 - [Test] And one more test for PR57247

[Max Kazantsev via llvm-commits]

Author: Max Kazantsev
Date: 2022-08-22T13:02:01+07:00
New Revision: 7d6e7d5445bd2f8466d7b3557e2672e5a8d02fea

URL: https://github.com/llvm/llvm-project/commit/7d6e7d5445bd2f8466d7b3557e2672e5a8d02fea
DIFF: https://github.com/llvm/llvm-project/commit/7d6e7d5445bd2f8466d7b3557e2672e5a8d02fea.diff

LOG: [Test] And one more test for PR57247

Added: 
    

Modified: 
    llvm/test/Transforms/IndVarSimplify/pr57247.ll

Removed: 
    


################################################################################
diff  --git a/llvm/test/Transforms/IndVarSimplify/pr57247.ll b/llvm/test/Transforms/IndVarSimplify/pr57247.ll
index 348d26dccfa1..867856a0f48c 100644
--- a/llvm/test/Transforms/IndVarSimplify/pr57247.ll
+++ b/llvm/test/Transforms/IndVarSimplify/pr57247.ll
@@ -95,3 +95,50 @@ outer.latch:                                      ; preds = %inner.latch
 exit:                                             ; preds = %inner.loop
   ret i32 %iv
 }
+
+define i32 @test_03() {
+; CHECK-LABEL: @test_03(
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    br label [[OUTER_LOOP:%.*]]
+; CHECK:       outer.loop:
+; CHECK-NEXT:    [[IV:%.*]] = phi i32 [ 2147483640, [[ENTRY:%.*]] ], [ [[IV_NEXT:%.*]], [[OUTER_LATCH:%.*]] ]
+; CHECK-NEXT:    [[CHECK_1:%.*]] = icmp ult i32 [[IV]], 2147483647
+; CHECK-NEXT:    br label [[INNER_LOOP:%.*]]
+; CHECK:       inner.loop:
+; CHECK-NEXT:    [[STOREMERGE611_I:%.*]] = phi i64 [ 0, [[OUTER_LOOP]] ], [ [[ADD_I:%.*]], [[INNER_LATCH:%.*]] ]
+; CHECK-NEXT:    br i1 [[CHECK_1]], label [[INNER_LATCH]], label [[EXIT:%.*]]
+; CHECK:       inner.latch:
+; CHECK-NEXT:    [[ADD_I]] = add nuw nsw i64 [[STOREMERGE611_I]], 1
+; CHECK-NEXT:    [[CMP5_I:%.*]] = icmp ult i64 [[STOREMERGE611_I]], 11
+; CHECK-NEXT:    br i1 [[CMP5_I]], label [[INNER_LOOP]], label [[OUTER_LATCH]]
+; CHECK:       outer.latch:
+; CHECK-NEXT:    [[IV_NEXT]] = add nuw i32 [[IV]], 10
+; CHECK-NEXT:    br label [[OUTER_LOOP]]
+; CHECK:       exit:
+; CHECK-NEXT:    [[IV_LCSSA:%.*]] = phi i32 [ [[IV]], [[INNER_LOOP]] ]
+; CHECK-NEXT:    ret i32 [[IV_LCSSA]]
+;
+entry:
+  br label %outer.loop
+
+outer.loop:                                       ; preds = %outer.latch, %entry
+  %iv = phi i32 [ 2147483640, %entry ], [ %iv.next, %outer.latch ]
+  %check_1 = icmp ult i32 %iv, 2147483647
+  br label %inner.loop
+
+inner.loop:                                       ; preds = %inner.latch, %outer.loop
+  %storemerge611.i = phi i64 [ 0, %outer.loop ], [ %add.i, %inner.latch ]
+  br i1 %check_1, label %inner.latch, label %exit
+
+inner.latch:                                      ; preds = %inner.loop
+  %add.i = add i64 %storemerge611.i, 1
+  %cmp5.i = icmp ult i64 %storemerge611.i, 11
+  br i1 %cmp5.i, label %inner.loop, label %outer.latch
+
+outer.latch:                                      ; preds = %inner.latch
+  %iv.next = add i32 %iv, 10
+  br label %outer.loop
+
+exit:                                             ; preds = %inner.loop
+  ret i32 %iv
+}