Don't maintain a set of deleted nodes; instead, use a HandleSDNode

to track a node over CSE events. This fixes PR7368.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106266 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 28 insertions, 0 deletions

diff --git a/test/CodeGen/X86/2010-03-17-ISelBug.ll b/test/CodeGen/X86/2010-03-17-ISelBug.ll
index 609b4e2490..ba21902f7d 100644
--- a/test/CodeGen/X86/2010-03-17-ISelBug.ll
+++ b/test/CodeGen/X86/2010-03-17-ISelBug.ll
@@ -1,4 +1,5 @@
 ; RUN: llc < %s -mtriple=i386-apple-darwin5
+
 ; rdar://7761790
 
 %"struct..0$_485" = type { i16, i16, i32 }
@@ -37,3 +38,30 @@ bb169:                                            ; preds = %bb169, %bb.nph380
   %4 = add nsw i32 %index.6379, 1                 ; <i32> [#uses=1]
   br label %bb169
 }
+
+; PR7368
+
+%struct.bufBit_s = type { i8*, i8 }
+
+define fastcc void @printSwipe([2 x [256 x %struct.bufBit_s]]* nocapture %colourLines) nounwind {
+entry:
+  br label %for.body190
+  
+for.body261.i:                                    ; preds = %for.body261.i, %for.body190
+  %line.3300.i = phi i32 [ undef, %for.body190 ], [ %add292.i, %for.body261.i ] ; <i32> [#uses=3]
+  %conv268.i = and i32 %line.3300.i, 255          ; <i32> [#uses=1]
+  %tmp278.i = getelementptr [2 x [256 x %struct.bufBit_s]]* %colourLines, i32 undef, i32 %pen.1100, i32 %conv268.i, i32 0 ; <i8**> [#uses=1]
+  store i8* undef, i8** %tmp278.i
+  %tmp338 = shl i32 %line.3300.i, 3               ; <i32> [#uses=1]
+  %tmp339 = and i32 %tmp338, 2040                 ; <i32> [#uses=1]
+  %tmp285.i = getelementptr i8* %scevgep328, i32 %tmp339 ; <i8*> [#uses=1]
+  store i8 undef, i8* %tmp285.i
+  %add292.i = add nsw i32 0, %line.3300.i         ; <i32> [#uses=1]
+  br i1 undef, label %for.body190, label %for.body261.i
+
+for.body190:                                      ; preds = %for.body261.i, %for.body190, %bb.nph104
+  %pen.1100 = phi i32 [ 0, %entry ], [ %inc230, %for.body261.i ], [ %inc230, %for.body190 ] ; <i32> [#uses=3]
+  %scevgep328 = getelementptr [2 x [256 x %struct.bufBit_s]]* %colourLines, i32 undef, i32 %pen.1100, i32 0, i32 1 ; <i8*> [#uses=1]
+  %inc230 = add i32 %pen.1100, 1                  ; <i32> [#uses=2]
+  br i1 undef, label %for.body190, label %for.body261.i
+}