Don't emit a warning with an input/output parameter. We assume the user knows what they're doing here.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169059 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index 3c076ca..6a30ca8 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -3365,6 +3365,7 @@
const char Modifier,
unsigned Size) const {
bool isOutput = (Constraint[0] == '=');
+ bool isInOut = (Constraint[0] == '+');
// Strip off constraint modifiers.
while (Constraint[0] == '=' ||
@@ -3377,7 +3378,8 @@
case 'r': {
switch (Modifier) {
default:
- return (isOutput && Size >= 32) || Size <= 32;
+ return isInOut || (isOutput && Size >= 32) ||
+ (!isOutput && !isInOut && Size <= 32);
case 'q':
// A register of size 32 cannot fit a vector type.
return false;