Add support for parsing .ll files that have numbers in front of
nameless values, such as:

%3 = add i32 4, 2

This fixes the first half of PR2480



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55539 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Assembler/numbered-values.ll b/test/Assembler/numbered-values.ll
new file mode 100644
index 0000000..2439c83
--- /dev/null
+++ b/test/Assembler/numbered-values.ll
@@ -0,0 +1,16 @@
+; RUN: llvm-as < %s | llvm-dis | llvm-as | llvm-dis
+; PR2480
+
+define i32 @test(i32 %X) nounwind {
+entry:
+	%X_addr = alloca i32		; <i32*> [#uses=2]
+	%retval = alloca i32		; <i32*> [#uses=2]
+	%0 = alloca i32		; <i32*>:0 [#uses=2]
+	%"alloca point" = bitcast i32 0 to i32		; <i32> [#uses=0]
+	store i32 %X, i32* %X_addr
+	%1 = load i32* %X_addr, align 4		; <i32>:1 [#uses=1]
+	mul i32 %1, 4		; <i32>:2 [#uses=1]
+	%3 = add i32 %2, 123		; <i32>:3 [#uses=1]
+	store i32 %3, i32* %0, align 4
+	ret i32 %3
+}