New testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1940 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/LevelRaise/2002-03-21-MissedRaise2.ll b/test/Transforms/LevelRaise/2002-03-21-MissedRaise2.ll
new file mode 100644 (file)
index 0000000..8c3e664
--- /dev/null
+++ b/test/Transforms/LevelRaise/2002-03-21-MissedRaise2.ll
@@ -0,0 +1,32 @@
+; Problem that occured because of obsolete code that only allowed malloc
+; instructions to change type if they were 'array' allocations.  This
+; prevented reg115 from being able to change.
+;
+
+; RUN: if as < %s | opt -raise | dis | grep '= cast' | grep \*
+; RUN: then exit 1
+; RUN: else exit 0
+; RUN: fi
+       
+       %Hash = type { { uint, sbyte *, \2 } * *, int (uint) *, int } *
+       %HashEntry = type { uint, sbyte *, \2 } *
+       %hash = type { { uint, sbyte *, \2 } * *, int (uint) *, int }
+       %hash_entry = type { uint, sbyte *, \2 * }
+implementation
+
+%Hash "MakeHash"(int %size, int (uint) * %map)
+begin
+bb1:                                   ;[#uses=0]
+       %reg112 = malloc sbyte * *, uint 3              ; <sbyte * * *> [#uses=4]
+       %reg115 = malloc sbyte *, uint 1                ; <sbyte * *> [#uses=1]
+       store sbyte * * %reg115, sbyte * * * %reg112
+       %reg121 = load sbyte * * * %reg112              ; <sbyte * *> [#uses=1]
+       %size-idxcast1 = cast int %size to uint         ; <uint> [#uses=1]
+       %reg1221 = getelementptr sbyte * * %reg121, uint %size-idxcast1         ; <sbyte * *> [#uses=1]
+       store sbyte * null, sbyte * * %reg1221
+       %reg232 = getelementptr sbyte * * * %reg112, uint 1             ; <sbyte * * *> [#uses=1]
+       %cast243 = cast int (uint) * %map to sbyte * *          ; <sbyte * *> [#uses=1]
+       store sbyte * * %cast243, sbyte * * * %reg232
+       %cast246 = cast sbyte * * * %reg112 to %Hash            ; <%Hash> [#uses=1]
+       ret %Hash %cast246
+end