Crashes LegalizeTypes with "Do not know how to

expand the result of this operator!" (node: ctlz).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46713 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/Generic/2008-02-04-Ctlz.ll b/test/CodeGen/Generic/2008-02-04-Ctlz.ll
new file mode 100644 (file)
index 0000000..5a560aa
--- /dev/null
+++ b/test/CodeGen/Generic/2008-02-04-Ctlz.ll
@@ -0,0 +1,22 @@
+; RUN: llvm-as < %s | llc
+
+@.str3 = external constant [56 x i8]           ; <[56 x i8]*> [#uses=1]
+
+define i32 @main() nounwind  {
+entry:
+       br label %bb30
+
+bb30:          ; preds = %bb30, %entry
+       %l.024 = phi i64 [ -10000, %entry ], [ 0, %bb30 ]               ; <i64> [#uses=2]
+       %tmp37 = tail call i64 @llvm.ctlz.i64( i64 %l.024 )             ; <i64> [#uses=1]
+       trunc i64 %tmp37 to i32         ; <i32>:0 [#uses=1]
+       %tmp40 = tail call i32 (i8*, ...)* @printf( i8* noalias  getelementptr ([56 x i8]* @.str3, i32 0, i32 0), i64 %l.024, i32 %0, i32 0, i32 0 ) nounwind           ; <i32> [#uses=0]
+       br i1 false, label %bb30, label %bb9.i
+
+bb9.i:         ; preds = %bb30
+       ret i32 0
+}
+
+declare i32 @printf(i8* noalias , ...) nounwind 
+
+declare i64 @llvm.ctlz.i64(i64) nounwind readnone