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/CodeGen/Generic/2006-06-13-ComputeMaskedBitsCrash.ll b/test/CodeGen/Generic/2006-06-13-ComputeMaskedBitsCrash.ll
new file mode 100644
index 0000000..a910b58
--- /dev/null
+++ b/test/CodeGen/Generic/2006-06-13-ComputeMaskedBitsCrash.ll
@@ -0,0 +1,37 @@
+; RUN: llvm-upgrade < %s | llvm-as | llc -fast
+
+ %struct.cl_perfunc_opts = type { ubyte, ubyte, ubyte, ubyte, ubyte, ubyte, ubyte, ubyte, ubyte, ubyte, ubyte, ubyte, int, int, int, int, int, int, int }
+%cl_pf_opts = external global %struct.cl_perfunc_opts ; <%struct.cl_perfunc_opts*> [#uses=2]
+
+implementation ; Functions:
+
+void %set_flags_from_O() {
+entry:
+ %tmp22 = setgt int 0, 0 ; <bool> [#uses=1]
+ br bool %tmp22, label %cond_true23, label %cond_next159
+
+cond_true23: ; preds = %entry
+ %tmp138 = getelementptr %struct.cl_perfunc_opts* %cl_pf_opts, int 0, uint 8 ; <ubyte*> [#uses=1]
+ %tmp138 = cast ubyte* %tmp138 to uint* ; <uint*> [#uses=2]
+ %tmp139 = load uint* %tmp138 ; <uint> [#uses=1]
+ %tmp140 = shl uint 1, ubyte 27 ; <uint> [#uses=1]
+ %tmp141 = and uint %tmp140, 134217728 ; <uint> [#uses=1]
+ %tmp142 = and uint %tmp139, 4160749567 ; <uint> [#uses=1]
+ %tmp143 = or uint %tmp142, %tmp141 ; <uint> [#uses=1]
+ store uint %tmp143, uint* %tmp138
+ %tmp144 = getelementptr %struct.cl_perfunc_opts* %cl_pf_opts, int 0, uint 8 ; <ubyte*> [#uses=1]
+ %tmp144 = cast ubyte* %tmp144 to uint* ; <uint*> [#uses=1]
+ %tmp145 = load uint* %tmp144 ; <uint> [#uses=1]
+ %tmp146 = shl uint %tmp145, ubyte 22 ; <uint> [#uses=1]
+ %tmp147 = shr uint %tmp146, ubyte 31 ; <uint> [#uses=1]
+ %tmp147 = cast uint %tmp147 to ubyte ; <ubyte> [#uses=1]
+ %tmp148 = seteq ubyte %tmp147, 0 ; <bool> [#uses=1]
+ br bool %tmp148, label %cond_true149, label %cond_next159
+
+cond_true149: ; preds = %cond_true23
+ %tmp150 = cast ubyte* null to uint* ; <uint*> [#uses=0]
+ ret void
+
+cond_next159: ; preds = %cond_true23, %entry
+ ret void
+}