Re-apply r124518 with fix. Watch out for invalidated iterator.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124526 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/X86/loop-blocks.ll b/test/CodeGen/X86/loop-blocks.ll
index 354d082..faba630 100644
--- a/test/CodeGen/X86/loop-blocks.ll
+++ b/test/CodeGen/X86/loop-blocks.ll
@@ -70,6 +70,7 @@
; Same as slightly_more_involved, but block_a is now a CFG diamond with
; fallthrough edges which should be preserved.
+; "callq block_a_merge_func" is tail duped.
; CHECK: yet_more_involved:
; CHECK: jmp .LBB2_1
@@ -78,12 +79,12 @@
; CHECK-NEXT: callq bar99
; CHECK-NEXT: callq get
; CHECK-NEXT: cmpl $2999, %eax
-; CHECK-NEXT: jg .LBB2_6
-; CHECK-NEXT: callq block_a_true_func
-; CHECK-NEXT: jmp .LBB2_7
-; CHECK-NEXT: .LBB2_6:
+; CHECK-NEXT: jle .LBB2_5
; CHECK-NEXT: callq block_a_false_func
-; CHECK-NEXT: .LBB2_7:
+; CHECK-NEXT: callq block_a_merge_func
+; CHECK-NEXT: jmp .LBB2_1
+; CHECK-NEXT: .LBB2_5:
+; CHECK-NEXT: callq block_a_true_func
; CHECK-NEXT: callq block_a_merge_func
; CHECK-NEXT: .LBB2_1:
; CHECK-NEXT: callq body