Fix rdar://6860124 - invalid input constraint 'J' in asm

This recognizes all the target-independent constant constraints
that have target-specific meanings.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71064 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 9 insertions, 1 deletions

diff --git a/lib/Basic/TargetInfo.cpp b/lib/Basic/TargetInfo.cpp
index d1e351077e..1e8ca2bd56 100644
--- a/lib/Basic/TargetInfo.cpp
+++ b/lib/Basic/TargetInfo.cpp
@@ -264,9 +264,17 @@ bool TargetInfo::validateInputConstraint(ConstraintInfo *OutputConstraints,
       // FIXME: Fail if % is used with the last operand.
       break;
     case 'i': // immediate integer.
-    case 'I':
     case 'n': // immediate integer with a known value.
       break;
+    case 'I':  // Various constant constraints with target-specific meanings.
+    case 'J':
+    case 'K':
+    case 'L':
+    case 'M':
+    case 'N':
+    case 'O':
+    case 'P':
+      break;
     case 'r': // general register.
       Info.setAllowsRegister();
       break;