[COFF, ARM64] Change setjmp for AArch64 Windows to use Intrinsic.sponentry
Summary: ARM64 setjmp expects sp on entry instead of framepointer.
Patch by: Yin Ma (yinma@codeaurora.org)
Reviewers: mgrang, eli.friedman, ssijaric, mstorsjo, rnk, compnerd
Reviewed By: mgrang
Subscribers: efriedma, javed.absar, kristof.beyls, chrib, cfe-commits
Differential Revision: https://reviews.llvm.org/D53998
llvm-svn: 346024
diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp
index f880e93..8571ebb 100644
--- a/clang/lib/CodeGen/CGBuiltin.cpp
+++ b/clang/lib/CodeGen/CGBuiltin.cpp
@@ -711,8 +711,11 @@
} else {
Name = SJKind == MSVCSetJmpKind::_setjmp ? "_setjmp" : "_setjmpex";
Arg1Ty = CGF.Int8PtrTy;
- Arg1 = CGF.Builder.CreateCall(CGF.CGM.getIntrinsic(Intrinsic::frameaddress),
- llvm::ConstantInt::get(CGF.Int32Ty, 0));
+ if (CGF.getTarget().getTriple().getArch() == llvm::Triple::aarch64) {
+ Arg1 = CGF.Builder.CreateCall(CGF.CGM.getIntrinsic(Intrinsic::sponentry));
+ } else
+ Arg1 = CGF.Builder.CreateCall(CGF.CGM.getIntrinsic(Intrinsic::frameaddress),
+ llvm::ConstantInt::get(CGF.Int32Ty, 0));
}
// Mark the call site and declaration with ReturnsTwice.