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Author SHA1 Message Date
James Y Knight 5fbc72f526 Workaround PPC backend bug in test for r346322. 
It seems that the PPC backend croaks when lowering a call to a
function with an argument of type [2 x i32].

Just modify the type slightly to avoid this -- I wasn't actually
intending to stress test the backend...

llvm/lib/Target/PowerPC/PPCISelLowering.cpp:6172: llvm::SDValue llvm::PPCTargetLowering::LowerCall_64SVR4(...): Assertion `(!HasParameterArea || NumBytesActuallyUsed == ArgOffset) && "mismatch in size of parameter area"' failed.

llvm-svn: 346334
 2018-11-07 17:01:47 +00:00
James Y Knight 72f76bf230 Add support for llvm.is.constant intrinsic (PR4898) 
This adds the llvm-side support for post-inlining evaluation of the
__builtin_constant_p GCC intrinsic.

Also fixed SCCPSolver::visitCallSite to not blow up when seeing a call
to a function where canConstantFoldTo returns true, and one of the
arguments is a struct.

Updated from patch initially by Janusz Sobczak.

Differential Revision: https://reviews.llvm.org/D4276

llvm-svn: 346322
 2018-11-07 15:24:12 +00:00