This testcase ensures that we can SRA a global even if part of the global

cannot be SRA'd

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16915 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/GlobalOpt/globalsra-partial.llx b/test/Transforms/GlobalOpt/globalsra-partial.llx
new file mode 100644 (file)
index 0000000..9b3788e
--- /dev/null
+++ b/test/Transforms/GlobalOpt/globalsra-partial.llx
@@ -0,0 +1,23 @@
+; In this case, the global can only be broken up by one level.
+
+; RUN: llvm-as < %s | opt -globalopt | llvm-dis | not grep 12345
+
+%G = internal global { int, [4 x float] } zeroinitializer
+
+void %onlystore() {
+       store int 12345, int* getelementptr ({ int, [4 x float] }* %G, int 0, uint 0)
+       ret void
+}
+
+void %storeinit(int %i) {
+       %Ptr = getelementptr { int, [4 x float] }* %G, int 0, uint 1, int %i
+       store float 1.0, float* %Ptr
+       ret void
+}
+
+float %readval(int %i) {
+       %Ptr = getelementptr { int, [4 x float] }* %G, int 0, uint 1, int %i
+       %V = load float* %Ptr
+       ret float %V
+}
+