new testcase, update old one.
llvm-svn: 35699
diff --git a/llvm/test/Transforms/InstCombine/malloc2.ll b/llvm/test/Transforms/InstCombine/malloc2.ll
new file mode 100644
index 0000000..0ebb521
--- /dev/null
+++ b/llvm/test/Transforms/InstCombine/malloc2.ll
@@ -0,0 +1,19 @@
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep 'ret i32 0' &&
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep malloc
+; PR1313
+
+define i32 @test1(i32 %argc, i8* %argv, i8* %envp) {
+ %tmp15.i.i.i23 = malloc [2564 x i32] ; <[2564 x i32]*> [#uses=1]
+ %c = icmp eq [2564 x i32]* %tmp15.i.i.i23, null ; <i1>:0 [#uses=1]
+ %retval = zext i1 %c to i32 ; <i32> [#uses=1]
+ ret i32 %retval
+}
+
+define i32 @test2(i32 %argc, i8* %argv, i8* %envp) {
+ %tmp15.i.i.i23 = malloc [2564 x i32] ; <[2564 x i32]*> [#uses=1]
+ %X = bitcast [2564 x i32]* %tmp15.i.i.i23 to i32*
+ %c = icmp ne i32* %X, null
+ %retval = zext i1 %c to i32 ; <i32> [#uses=1]
+ ret i32 %retval
+}
+