IR: Add COMDATs to the IR

[oota-llvm.git] / test / Linker / comdat.ll

diff --git a/test/Linker/comdat.ll b/test/Linker/comdat.ll
new file mode 100644 (file)
index 0000000..4d2aef7
--- /dev/null
+++ b/test/Linker/comdat.ll
@@ -0,0 +1,32 @@
+; RUN: llvm-link %s %p/Inputs/comdat.ll -S -o - | FileCheck %s
+target datalayout = "e-m:w-p:32:32-i64:64-f80:32-n8:16:32-S32"
+target triple = "i686-pc-windows-msvc"
+
+$foo = comdat largest
+@foo = global i32 42, comdat $foo
+
+define i32 @bar() comdat $foo {
+  ret i32 42
+}
+
+$qux = comdat largest
+@qux = global i64 12, comdat $qux
+
+define i32 @baz() comdat $qux {
+  ret i32 12
+}
+
+$any = comdat any
+@any = global i64 6, comdat $any
+
+; CHECK: $qux = comdat largest
+; CHECK: $foo = comdat largest
+; CHECK: $any = comdat any
+
+; CHECK: @qux = global i64 12, comdat $qux
+; CHECK: @any = global i64 6, comdat $any
+; CHECK: @foo = global i64 43, comdat $foo
+; CHECK-NOT: @in_unselected_group = global i32 13, comdat $qux
+
+; CHECK: define i32 @baz() comdat $qux
+; CHECK: define i32 @bar() comdat $foo