1 files changed, 23 insertions, 0 deletions
diff --git a/test/CodeGen/X86/combiner-aa-1.ll b/test/CodeGen/X86/combiner-aa-1.ll
new file mode 100644
index 0000000000..58a7129b60
--- /dev/null
+++ b/test/CodeGen/X86/combiner-aa-1.ll
@@ -0,0 +1,23 @@
+; RUN: llc < %s --combiner-alias-analysis --combiner-global-alias-analysis
+; PR4880
+
+target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32"
+target triple = "i386-pc-linux-gnu"
+
+%struct.alst_node = type { %struct.node }
+%struct.arg_node = type { %struct.node, i8*, %struct.alst_node* }
+%struct.arglst_node = type { %struct.alst_node, %struct.arg_node*, %struct.arglst_node* }
+%struct.lam_node = type { %struct.alst_node, %struct.arg_node*, %struct.alst_node* }
+%struct.node = type { i32 (...)**, %struct.node* }
+
+define i32 @._ZN8lam_node18resolve_name_clashEP8arg_nodeP9alst_node._ZNK8lam_nodeeqERK8exp_node._ZN11arglst_nodeD0Ev(%struct.lam_node* %this.this, %struct.arg_node* %outer_arg, %struct.alst_node* %env.cmp, %struct.arglst_node* %this, i32 %functionID) {
+comb_entry:
+  %.SV59 = alloca %struct.node*                   ; <%struct.node**> [#uses=1]
+  %0 = load i32 (...)*** null, align 4            ; <i32 (...)**> [#uses=1]
+  %1 = getelementptr inbounds i32 (...)** %0, i32 3 ; <i32 (...)**> [#uses=1]
+  %2 = load i32 (...)** %1, align 4               ; <i32 (...)*> [#uses=1]
+  store %struct.node* undef, %struct.node** %.SV59
+  %3 = bitcast i32 (...)* %2 to i32 (%struct.node*)* ; <i32 (%struct.node*)*> [#uses=1]
+  %4 = tail call i32 %3(%struct.node* undef)      ; <i32> [#uses=0]
+  unreachable
+}