commit 1a3f965fe36ef23b41377bcdd9e85c5e24f20e64
author Petar Jovanovic <petar.jovanovic@imgtec.com> Tue May 26 21:07:19 2015 +0000
committer Petar Jovanovic <petar.jovanovic@imgtec.com> Tue May 26 21:07:19 2015 +0000
tree 44cffffec4c90d98757028066566177300968fed
parent 38840245e446c9ac688cb3035d6891cfbdd4ef93

[MIPS] Re-land the change r238200 to fix extension of integer types

Re-land the change r238200, but with modifications in the tests that should
prevent new failures in some environments as reported with the original
change on the mailing list.

llvm-svn: 238253

clang/lib/CodeGen/CGCall.cpp

diff --git a/clang/lib/CodeGen/CGCall.cpp b/clang/lib/CodeGen/CGCall.cpp
index b73ad9e..f234053 100644
--- a/clang/lib/CodeGen/CGCall.cpp
+++ b/clang/lib/CodeGen/CGCall.cpp
@@ -1588,8 +1588,12 @@
     case ABIArgInfo::Extend:
       if (ParamType->isSignedIntegerOrEnumerationType())
         Attrs.addAttribute(llvm::Attribute::SExt);
-      else if (ParamType->isUnsignedIntegerOrEnumerationType())
-        Attrs.addAttribute(llvm::Attribute::ZExt);
+      else if (ParamType->isUnsignedIntegerOrEnumerationType()) {
+        if (getTypes().getABIInfo().shouldSignExtUnsignedType(ParamType))
+          Attrs.addAttribute(llvm::Attribute::SExt);
+        else
+          Attrs.addAttribute(llvm::Attribute::ZExt);
+      }
       // FALL THROUGH
     case ABIArgInfo::Direct:
       if (ArgNo == 0 && FI.isChainCall())