diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/CodeGen/CGCall.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/CodeGen/CGCall.cpp b/lib/CodeGen/CGCall.cpp index 356caa3f90..ce98f8c256 100644 --- a/lib/CodeGen/CGCall.cpp +++ b/lib/CodeGen/CGCall.cpp @@ -1055,6 +1055,11 @@ void X86_64ABIInfo::computeInfo(CGFunctionInfo &FI, ASTContext &Context) const { // Keep track of the number of assigned registers. unsigned freeIntRegs = 6, freeSSERegs = 8; + + // If the return value is indirect, then the hidden argument is consuming one + // integer register. + if (FI.getReturnInfo().isIndirect()) + --freeIntRegs; // AMD64-ABI 3.2.3p3: Once arguments are classified, the registers // get assigned (in left-to-right order) for passing as follows... |