It's not necessary to do rounding for alloca operations when the requested
alignment is equal to the stack alignment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Assembler/ConstantExprFoldCast.llx b/test/Assembler/ConstantExprFoldCast.llx
new file mode 100644
index 0000000..abc9316
--- /dev/null
+++ b/test/Assembler/ConstantExprFoldCast.llx
@@ -0,0 +1,14 @@
+; This test checks to make sure that constant exprs fold in some simple situations
+
+; RUN: llvm-upgrade < %s | llvm-as | llvm-dis | not grep cast
+
+%A = global int* cast (sbyte* null to int*) ; Cast null -> fold
+%B = global int** cast (int** %A to int**) ; Cast to same type -> fold
+%C = global int cast (long 42 to int) ; Integral casts
+%D = global int* cast(float* cast (int* %C to float*) to int*) ; cast of cast ptr->ptr
+%E = global int cast(float* cast (sbyte 5 to float*) to int) ; int -> ptr -> int
+
+; Test folding of binary instrs
+%F = global int* cast(int add (int 5, int -5) to int*)
+%G = global int* cast(int sub (int 5, int 5) to int*)
+