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Re-apply r124518 with fix. Watch out for invalidated iterator.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124526 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2011-01-29 04:46:23 +00:00
parent b0a42fdb36
commit c3f507f98a
13 changed files with 226 additions and 73 deletions
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11
test/CodeGen/X86/loop-blocks.ll
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@@ -70,6 +70,7 @@ exit:
; 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 @@ exit:
; 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