Rebased PNaCl localmods in LLVM to 223109

test/Transforms/NaCl/strip-branchweight-metadata.ll

Index: test/Transforms/NaCl/strip-branchweight-metadata.ll
diff --git a/test/Transforms/NaCl/strip-branchweight-metadata.ll b/test/Transforms/NaCl/strip-branchweight-metadata.ll
new file mode 100644
index 0000000000000000000000000000000000000000..61d3a6d5af476a7d67dfd94473f63cc4ebc7ef63
--- /dev/null
+++ b/test/Transforms/NaCl/strip-branchweight-metadata.ll
@@ -0,0 +1,29 @@
+; RUN: opt -S -strip-metadata %s | FileCheck %s
+
+; Test that !prof metadata is removed from branches
+; CHECK: @foo
+; CHECK-NOT: !prof
+define i32 @foo(i32 %c) {
+  switch i32 %c, label %3 [
+    i32 5, label %4
+    i32 0, label %1
+    i32 4, label %2
+  ], !prof !0
+
+; <label>:1                                       ; preds = %0
+  br label %4
+
+; <label>:2                                       ; preds = %0
+  br label %4
+
+; <label>:3                                       ; preds = %0
+  br label %4
+
+; <label>:4                                       ; preds = %0, %3, %2, %1
+  %.0 = phi i32 [ -1, %1 ], [ 99, %2 ], [ 1, %3 ], [ 0, %0 ]
+  ret i32 %.0
+}
+
+; CHECK: ret i32 %.0
+; CHECK-NOT: !0 =
+!0 = metadata !{metadata !"branch_weights", i32 4, i32 256, i32 8, i32 4}