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authorShih-wei Liao <sliao@google.com>2010-02-10 11:10:31 -0800
committerShih-wei Liao <sliao@google.com>2010-02-10 11:10:31 -0800
commite264f62ca09a8f65c87a46d562a4d0f9ec5d457e (patch)
tree59e3d57ef656cef79afa708ae0a3daf25cd91fcf /test/Transforms/GVN/2008-12-12-RLE-Crash.ll
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Check in LLVM r95781.
Diffstat (limited to 'test/Transforms/GVN/2008-12-12-RLE-Crash.ll')
-rw-r--r--test/Transforms/GVN/2008-12-12-RLE-Crash.ll35
1 files changed, 35 insertions, 0 deletions
diff --git a/test/Transforms/GVN/2008-12-12-RLE-Crash.ll b/test/Transforms/GVN/2008-12-12-RLE-Crash.ll
new file mode 100644
index 0000000..da67ee7
--- /dev/null
+++ b/test/Transforms/GVN/2008-12-12-RLE-Crash.ll
@@ -0,0 +1,35 @@
+; RUN: opt < %s -gvn | llvm-dis
+target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
+target triple = "i386-apple-darwin7"
+
+define i32 @main(i32 %argc, i8** %argv) nounwind {
+entry:
+ br label %bb84
+
+bb41: ; preds = %bb82
+ %tmp = load i8* %opt.0, align 1 ; <i8> [#uses=0]
+ %tmp1 = getelementptr i8* %opt.0, i32 1 ; <i8*> [#uses=2]
+ switch i32 0, label %bb81 [
+ i32 102, label %bb82
+ i32 110, label %bb79
+ i32 118, label %bb80
+ ]
+
+bb79: ; preds = %bb41
+ br label %bb82
+
+bb80: ; preds = %bb41
+ ret i32 0
+
+bb81: ; preds = %bb41
+ ret i32 1
+
+bb82: ; preds = %bb84, %bb79, %bb41
+ %opt.0 = phi i8* [ %tmp3, %bb84 ], [ %tmp1, %bb79 ], [ %tmp1, %bb41 ] ; <i8*> [#uses=3]
+ %tmp2 = load i8* %opt.0, align 1 ; <i8> [#uses=0]
+ br i1 false, label %bb84, label %bb41
+
+bb84: ; preds = %bb82, %entry
+ %tmp3 = getelementptr i8* null, i32 1 ; <i8*> [#uses=1]
+ br label %bb82
+}