Imported Upstream version 6.0.0.172

Former-commit-id: f3cc9b82f3e5bd8f0fd3ebc098f789556b44e9cd

external/llvm/test/Transforms/GlobalOpt/globalsra-partial.ll

@@ -0,0 +1,24 @@
+; In this case, the global can only be broken up by one level.
+
+; RUN: opt < %s -globalopt -S | FileCheck %s
+target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
+
+@G = internal global { i32, [4 x float] } zeroinitializer               ; <{ i32, [4 x float] }*> [#uses=3]
+
+; CHECK-NOT: 12345
+define void @onlystore() {
+        store i32 12345, i32* getelementptr ({ i32, [4 x float] }, { i32, [4 x float] }* @G, i32 0, i32 0)
+        ret void
+}
+
+define void @storeinit(i32 %i) {
+        %Ptr = getelementptr { i32, [4 x float] }, { i32, [4 x float] }* @G, i32 0, i32 1, i32 %i             ; <float*> [#uses=1]
+        store float 1.000000e+00, float* %Ptr
+        ret void
+}
+
+define float @readval(i32 %i) {
+        %Ptr = getelementptr { i32, [4 x float] }, { i32, [4 x float] }* @G, i32 0, i32 1, i32 %i             ; <float*> [#uses=1]
+        %V = load float, float* %Ptr           ; <float> [#uses=1]
+        ret float %V
+}