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authorChris Lattner <sabre@nondot.org>2009-11-05 05:57:34 +0000
committerChris Lattner <sabre@nondot.org>2009-11-05 05:57:34 +0000
commite4bddf1837da3c2096baebcc0f5968c0e213a4d0 (patch)
tree10edfb21b062015b1832ccd56da6186fdfe41b53 /test/Transforms/JumpThreading/crash.ll
parent82c443655d0b840d909bc0dc153ce02614a75f07 (diff)
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merge a few crash tests into crash.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86119 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/JumpThreading/crash.ll')
-rw-r--r--test/Transforms/JumpThreading/crash.ll83
1 files changed, 82 insertions, 1 deletions
diff --git a/test/Transforms/JumpThreading/crash.ll b/test/Transforms/JumpThreading/crash.ll
index 023c7d0..862b403 100644
--- a/test/Transforms/JumpThreading/crash.ll
+++ b/test/Transforms/JumpThreading/crash.ll
@@ -88,4 +88,85 @@ D:
ret i32 %c
E:
ret i32 412
-} \ No newline at end of file
+}
+
+
+define i32 @test2() nounwind {
+entry:
+ br i1 true, label %decDivideOp.exit, label %bb7.i
+
+bb7.i: ; preds = %bb7.i, %entry
+ br label %bb7.i
+
+decDivideOp.exit: ; preds = %entry
+ ret i32 undef
+}
+
+
+; PR3298
+
+define i32 @test3(i32 %p_79, i32 %p_80) nounwind {
+entry:
+ br label %bb7
+
+bb1: ; preds = %bb2
+ br label %bb2
+
+bb2: ; preds = %bb7, %bb1
+ %l_82.0 = phi i8 [ 0, %bb1 ], [ %l_82.1, %bb7 ] ; <i8> [#uses=3]
+ br i1 true, label %bb3, label %bb1
+
+bb3: ; preds = %bb2
+ %0 = icmp eq i32 %p_80_addr.1, 0 ; <i1> [#uses=1]
+ br i1 %0, label %bb7, label %bb6
+
+bb5: ; preds = %bb6
+ %1 = icmp eq i8 %l_82.0, 0 ; <i1> [#uses=1]
+ br i1 %1, label %bb1.i, label %bb.i
+
+bb.i: ; preds = %bb5
+ br label %safe_div_func_char_s_s.exit
+
+bb1.i: ; preds = %bb5
+ br label %safe_div_func_char_s_s.exit
+
+safe_div_func_char_s_s.exit: ; preds = %bb1.i, %bb.i
+ br label %bb6
+
+bb6: ; preds = %safe_div_func_char_s_s.exit, %bb3
+ %p_80_addr.0 = phi i32 [ %p_80_addr.1, %bb3 ], [ 1, %safe_div_func_char_s_s.exit ] ; <i32> [#uses=2]
+ %2 = icmp eq i32 %p_80_addr.0, 0 ; <i1> [#uses=1]
+ br i1 %2, label %bb7, label %bb5
+
+bb7: ; preds = %bb6, %bb3, %entry
+ %l_82.1 = phi i8 [ 1, %entry ], [ %l_82.0, %bb3 ], [ %l_82.0, %bb6 ] ; <i8> [#uses=2]
+ %p_80_addr.1 = phi i32 [ 0, %entry ], [ %p_80_addr.1, %bb3 ], [ %p_80_addr.0, %bb6 ] ; <i32> [#uses=4]
+ %3 = icmp eq i32 %p_80_addr.1, 0 ; <i1> [#uses=1]
+ br i1 %3, label %bb8, label %bb2
+
+bb8: ; preds = %bb7
+ %4 = sext i8 %l_82.1 to i32 ; <i32> [#uses=0]
+ ret i32 0
+}
+
+
+; PR3353
+
+define i32 @test4(i8 %X) {
+entry:
+ %Y = add i8 %X, 1
+ %Z = add i8 %Y, 1
+ br label %bb33.i
+
+bb33.i: ; preds = %bb33.i, %bb32.i
+ switch i8 %Y, label %bb32.i [
+ i8 39, label %bb35.split.i
+ i8 13, label %bb33.i
+ ]
+
+bb35.split.i:
+ ret i32 5
+bb32.i:
+ ret i32 1
+}
+