diff test/Feature/constpointer.ll @ 0:95c75e76d11b LLVM3.4

LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
parents
children 1172e4bd9c6f
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/Feature/constpointer.ll	Thu Dec 12 13:56:28 2013 +0900
@@ -0,0 +1,31 @@
+; RUN: llvm-as < %s | llvm-dis > %t1.ll
+; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll
+; RUN: diff %t1.ll %t2.ll
+
+; This testcase is primarily used for testing that global values can be used as 
+; constant pointer initializers.  This is tricky because they can be forward
+; declared and involves an icky bytecode encoding.  There is no meaningful 
+; optimization that can be performed on this file, it is just here to test 
+; assembly and disassembly.
+;
+
+
+@t3 = global i32* @t1           ;; Forward reference
+@t1 = global i32 4
+@t4 = global i32** @t3		 ;; reference to reference
+
+@t2 = global i32* @t1
+
+global float * @2                ;; Forward numeric reference
+global float * @2                ;; Duplicate forward numeric reference
+global float 0.0
+global float * @2                ;; Numeric reference
+
+
+@fptr = global void() * @f       ;; Forward ref method defn
+declare void @f()               ;; External method
+
+@sptr1   = global [11x i8]* @somestr		;; Forward ref to a constant
+@somestr = constant [11x i8] c"hello world"
+@sptr2   = global [11x i8]* @somestr
+