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authorDevang Patel <dpatel@apple.com>2009-03-25 23:57:48 +0000
committerDevang Patel <dpatel@apple.com>2009-03-25 23:57:48 +0000
commit575ec806e0d6e10eaf1bbe4163379d51565f7fe4 (patch)
tree6adfb2dd1e8a83e6c858a6e10f13483a3d6f9fab /test/Transforms/LICM
parent54f302272c6bf98638d224949be8bd23a120ba48 (diff)
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Before deleting a basic block, give other loop passes a chance cleanup analysis values, related to the instructions in the basic block.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67719 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/LICM')
-rw-r--r--test/Transforms/LICM/2009-03-25-AliasSetTracker.ll39
1 files changed, 39 insertions, 0 deletions
diff --git a/test/Transforms/LICM/2009-03-25-AliasSetTracker.ll b/test/Transforms/LICM/2009-03-25-AliasSetTracker.ll
new file mode 100644
index 0000000000..c3c9a810c5
--- /dev/null
+++ b/test/Transforms/LICM/2009-03-25-AliasSetTracker.ll
@@ -0,0 +1,39 @@
+
+; RUN: llvm-as < %s | opt -licm -loop-index-split -instcombine -disable-output
+
+ %struct.FILE = type { i32, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, %struct._IO_marker*, %struct.FILE*, i32, i32, i32, i16, i8, [1 x i8], i8*, i64, i8*, i8*, i8*, i8*, i32, i32, [40 x i8] }
+ %struct._IO_marker = type { %struct._IO_marker*, %struct.FILE*, i32 }
+@"\01LC81" = external constant [4 x i8] ; <[4 x i8]*> [#uses=1]
+
+define fastcc void @hex_dump_internal(i8* %avcl, %struct.FILE* %f, i32 %level, i8* nocapture %buf, i32 %size) nounwind {
+entry:
+ br i1 false, label %bb4, label %return
+
+bb4: ; preds = %bb30, %entry
+ br label %bb6
+
+bb6: ; preds = %bb15, %bb4
+ %j.0.reg2mem.0 = phi i32 [ %2, %bb15 ], [ 0, %bb4 ] ; <i32> [#uses=2]
+ %0 = icmp slt i32 %j.0.reg2mem.0, 0 ; <i1> [#uses=1]
+ br i1 %0, label %bb7, label %bb13
+
+bb7: ; preds = %bb6
+ br label %bb15
+
+bb13: ; preds = %bb6
+ %1 = tail call i32 @fwrite(i8* getelementptr ([4 x i8]* @"\01LC81", i32 0, i32 0), i32 1, i32 3, i8* null) nounwind ; <i32> [#uses=0]
+ br label %bb15
+
+bb15: ; preds = %bb13, %bb7
+ %2 = add i32 %j.0.reg2mem.0, 1 ; <i32> [#uses=2]
+ %3 = icmp sgt i32 %2, 15 ; <i1> [#uses=1]
+ br i1 %3, label %bb30, label %bb6
+
+bb30: ; preds = %bb15
+ br i1 false, label %bb4, label %return
+
+return: ; preds = %bb30, %entry
+ ret void
+}
+
+declare i32 @fwrite(i8* nocapture, i32, i32, i8* nocapture) nounwind