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-rw-r--r--test/CodeGen/Generic/2006-06-13-ComputeMaskedBitsCrash.ll50
1 files changed, 50 insertions, 0 deletions
diff --git a/test/CodeGen/Generic/2006-06-13-ComputeMaskedBitsCrash.ll b/test/CodeGen/Generic/2006-06-13-ComputeMaskedBitsCrash.ll
new file mode 100644
index 0000000000..4b69386d88
--- /dev/null
+++ b/test/CodeGen/Generic/2006-06-13-ComputeMaskedBitsCrash.ll
@@ -0,0 +1,50 @@
+; RUN: llvm-as < %s | llc -fast
+
+uint %test1(uint %tmp1) {
+ %tmp2 = or uint %tmp1, 2147483648
+ %tmp3 = shr uint %tmp2, ubyte 31
+ %tmp4 = and uint %tmp3, 2147483648
+ %tmp5 = seteq uint %tmp4, 0
+ br bool %tmp5, label %cond_true, label %cond_false
+
+cond_true:
+ ret uint %tmp1
+
+cond_false:
+
+ ret uint %tmp2
+}
+
+
+uint %test2(uint %tmp1) {
+ %tmp2 = or uint %tmp1, 2147483648
+ %tmp3 = cast uint %tmp2 to int
+ %tmp4 = shr int %tmp3, ubyte 31
+ %tmp5 = cast int %tmp4 to uint
+ %tmp6 = and uint %tmp5, 2147483648
+ %tmp7 = seteq uint %tmp6, 0
+ br bool %tmp7, label %cond_true, label %cond_false
+
+cond_true:
+ ret uint %tmp1
+
+cond_false:
+
+ ret uint %tmp2
+}
+
+
+uint %test3(uint %tmp1) {
+ %tmp2 = or uint %tmp1, 1
+ %tmp3 = shl uint %tmp2, ubyte 31
+ %tmp4 = and uint %tmp3, 1
+ %tmp5 = seteq uint %tmp4, 0
+ br bool %tmp5, label %cond_true, label %cond_false
+
+cond_true:
+ ret uint %tmp1
+
+cond_false:
+
+ ret uint %tmp2
+}