1 files changed, 39 insertions, 0 deletions
diff --git a/test/Transforms/GVN/PRE/nonintegral.ll b/test/Transforms/GVN/PRE/nonintegral.ll
new file mode 100644
index 000000000000..75a756e8af8c
--- /dev/null
+++ b/test/Transforms/GVN/PRE/nonintegral.ll
@@ -0,0 +1,39 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt -gvn -S < %s | FileCheck %s
+
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128-ni:4"
+target triple = "x86_64-unknown-linux-gnu"
+
+define void @nipre(double addrspace(4)** noalias %p, i64 addrspace(4)** noalias %p2, i8 %jmp) {
+
+; CHECK-LABEL: @nipre(
+; CHECK:    [[PCAST:%.*]] = bitcast double addrspace(4)** [[P:%.*]] to i64 addrspace(4)**
+; CHECK:       a:
+; CHECK:    [[L1:%.*]] = load i64 addrspace(4)*, i64 addrspace(4)** [[PCAST]]
+; CHECK:    [[TMP0:%.*]] = bitcast i64 addrspace(4)* [[L1]] to double addrspace(4)*
+; CHECK:       b:
+; CHECK:    [[L2:%.*]] = load i64 addrspace(4)*, i64 addrspace(4)** [[PCAST]]
+; CHECK:    [[TMP1:%.*]] = bitcast i64 addrspace(4)* [[L2]] to double addrspace(4)*
+; CHECK:       c:
+; CHECK-NEXT:    [[L3_PRE:%.*]] = load double addrspace(4)*, double addrspace(4)** %p
+
+entry:
+  %pcast = bitcast double addrspace(4)** %p to i64 addrspace(4)**
+  switch i8 %jmp, label %c [ i8 0, label %a
+  i8 1, label %b]
+a:
+  %l1 = load i64 addrspace(4)*, i64 addrspace(4)** %pcast
+  store i64 addrspace(4)* %l1, i64 addrspace(4)** %p2
+  br label %tail
+b:
+  %l2 = load i64 addrspace(4)*, i64 addrspace(4)** %pcast
+  store i64 addrspace(4)* %l2, i64 addrspace(4)** %p2
+  br label %tail
+c:
+  br label %tail
+tail:
+  %l3 = load double addrspace(4)*, double addrspace(4)** %p
+  %l3cast = bitcast double addrspace(4)* %l3 to i64 addrspace(4)*
+  store i64 addrspace(4)* %l3cast, i64 addrspace(4)** %p2
+  ret void
+}