vendor/llvm/llvm-r72732

1 files changed, 32 insertions, 0 deletions

diff --git a/test/Integer/constpointer_bt.ll b/test/Integer/constpointer_bt.ll
new file mode 100644
index 0000000000000..6be9ec336a3cc
--- /dev/null
+++ b/test/Integer/constpointer_bt.ll
@@ -0,0 +1,32 @@
+; RUN: llvm-as %s -o - | 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 i40 * @t1           ;; Forward reference
+@t1 = global i40 4
+@t4 = global i40 ** @t3		 ;; reference to reference
+
+@t2 = global i40 * @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
+
+