Rebased PNaCl localmods in LLVM to 223109

test/NaCl/X86/ro-jumptable.ll

Index: test/NaCl/X86/ro-jumptable.ll
diff --git a/test/NaCl/X86/ro-jumptable.ll b/test/NaCl/X86/ro-jumptable.ll
new file mode 100644
index 0000000000000000000000000000000000000000..9defc1b88e8899c4c94bd9281e29fa0539cce655
--- /dev/null
+++ b/test/NaCl/X86/ro-jumptable.ll
@@ -0,0 +1,74 @@
+; RUN: llc -mtriple=i386-unknown-nacl -filetype=asm %s -o - \
+; RUN:  | FileCheck %s
+
+declare i32 @bar(i32)
+
+; CHECK-LABEL: @foo
+; Check that the jump table for the switch goes in .rodata
+; CHECK: .section .rodata
+; CHECK: .long .LBB0
+define void @foo(i32 %a) {
+entry:
+  switch i32 %a, label %sw.epilog [
+    i32 3, label %sw.bb
+    i32 2, label %sw.bb1
+    i32 1, label %sw.bb3
+    i32 0, label %sw.bb5
+  ]
+
+sw.bb:                                            ; preds = %entry
+  %call = call i32 @bar(i32 1)
+  br label %sw.bb1
+
+sw.bb1:                                           ; preds = %entry, %sw.bb
+  %call2 = call i32 @bar(i32 2)
+  br label %sw.bb3
+
+sw.bb3:                                           ; preds = %entry, %sw.bb1
+  %call4 = call i32 @bar(i32 3)
+  br label %sw.bb5
+
+sw.bb5:                                           ; preds = %entry, %sw.bb3
+  %call6 = call i32 @bar(i32 4)
+  br label %sw.epilog
+
+sw.epilog:                                        ; preds = %sw.bb5, %entry
+  ret void
+}
+
+
+; CHECK: .section .text.foo_linkonce,"axG",@progbits,foo_linkonce,comdat
+; CHECK: @foo_linkonce
+; Check that the jump table for the linkonce_odr function goes into a comdat
+; group uniqued like the function
+; CHECK: .section .rodata.foo_linkonce,"aG",@progbits,foo_linkonce,comdat
+; CHECK: .long .LBB1
+define linkonce_odr void @foo_linkonce(i32 %a) {
+entry:
+  switch i32 %a, label %sw.epilog [
+    i32 3, label %sw.bb
+    i32 2, label %sw.bb1
+    i32 1, label %sw.bb3
+    i32 0, label %sw.bb5
+  ]
+
+sw.bb:                                            ; preds = %entry
+  %call = call i32 @bar(i32 1)
+  br label %sw.bb1
+
+sw.bb1:                                           ; preds = %entry, %sw.bb
+  %call2 = call i32 @bar(i32 2)
+  br label %sw.bb3
+
+sw.bb3:                                           ; preds = %entry, %sw.bb1
+  %call4 = call i32 @bar(i32 3)
+  br label %sw.bb5
+
+sw.bb5:                                           ; preds = %entry, %sw.bb3
+  %call6 = call i32 @bar(i32 4)
+  br label %sw.epilog
+
+sw.epilog:                                        ; preds = %sw.bb5, %entry
+  ret void
+}
+