Rebased PNaCl localmods in LLVM to 223109

test/NaCl/Bitcode/inttoptr-of-ptrtoint-elide.ll

Index: test/NaCl/Bitcode/inttoptr-of-ptrtoint-elide.ll
diff --git a/test/NaCl/Bitcode/inttoptr-of-ptrtoint-elide.ll b/test/NaCl/Bitcode/inttoptr-of-ptrtoint-elide.ll
new file mode 100644
index 0000000000000000000000000000000000000000..1d88ca5cd96c88ccda3ff23ad6e68643e5d8d4c4
--- /dev/null
+++ b/test/NaCl/Bitcode/inttoptr-of-ptrtoint-elide.ll
@@ -0,0 +1,32 @@
+; Test that the writer elides an inttoptr of a ptrtoint.
+
+; RUN: llvm-as < %s | pnacl-freeze \
+; RUN:              | pnacl-bcanalyzer -dump-records \
+; RUN:              | FileCheck %s -check-prefix=PF2
+
+; RUN: llvm-as < %s | pnacl-freeze | pnacl-thaw \
+; RUN:              | llvm-dis - | FileCheck %s -check-prefix=TD2
+
+
+@bytes = internal global [4 x i8] c"abcd"
+
+define void @inttoptr_of_ptrtoint() {
+  ; These two instructions are usually replaced with an equivalent
+  ; bitcast, but either sequence is allowed by the PNaCl ABI verifier.
+  %1 = ptrtoint [4 x i8]* @bytes to i32
+  %2 = inttoptr i32 %1 to i8*
+  load i8* %2
+  ret void
+}
+
+; TD2:      define void @inttoptr_of_ptrtoint() {
+; TD2-NEXT:   %1 = bitcast [4 x i8]* @bytes to i8*
+; TD2-NEXT:   %2 = load i8* %1
+; TD2-NEXT:   ret void
+; TD2-NEXT: }
+
+; PF2:       <FUNCTION_BLOCK>
+; PF2-NEXT:    <DECLAREBLOCKS op0=1/>
+; PF2-NEXT:    <INST_LOAD {{.*}}/>
+; PF2-NEXT:    <INST_RET/>
+; PF2:       </FUNCTION_BLOCK>