From eb11fae6d08f479c0799db45860a98af528fa6e7 Mon Sep 17 00:00:00 2001 From: Dimitry Andric Date: Sat, 28 Jul 2018 10:51:19 +0000 Subject: Vendor import of llvm trunk r338150: https://llvm.org/svn/llvm-project/llvm/trunk@338150 --- lib/Target/PowerPC/PPCMachineFunctionInfo.h | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) (limited to 'lib/Target/PowerPC/PPCMachineFunctionInfo.h') diff --git a/lib/Target/PowerPC/PPCMachineFunctionInfo.h b/lib/Target/PowerPC/PPCMachineFunctionInfo.h index a9b6073106ea..b14bbad2039a 100644 --- a/lib/Target/PowerPC/PPCMachineFunctionInfo.h +++ b/lib/Target/PowerPC/PPCMachineFunctionInfo.h @@ -45,6 +45,11 @@ class PPCFunctionInfo : public MachineFunctionInfo { /// PEI. bool MustSaveLR; + /// Do we have to disable shrink-wrapping? This has to be set if we emit any + /// instructions that clobber LR in the entry block because discovering this + /// in PEI is too late (happens after shrink-wrapping); + bool ShrinkWrapDisabled = false; + /// Does this function have any stack spills. bool HasSpills = false; @@ -147,6 +152,12 @@ public: void setMustSaveLR(bool U) { MustSaveLR = U; } bool mustSaveLR() const { return MustSaveLR; } + /// We certainly don't want to shrink wrap functions if we've emitted a + /// MovePCtoLR8 as that has to go into the entry, so the prologue definitely + /// has to go into the entry block. + void setShrinkWrapDisabled(bool U) { ShrinkWrapDisabled = U; } + bool shrinkWrapDisabled() const { return ShrinkWrapDisabled; } + void setHasSpills() { HasSpills = true; } bool hasSpills() const { return HasSpills; } @@ -185,11 +196,11 @@ public: LiveInAttrs.push_back(std::make_pair(VReg, Flags)); } - /// This function returns true if the spesified vreg is + /// This function returns true if the specified vreg is /// a live-in register and sign-extended. bool isLiveInSExt(unsigned VReg) const; - /// This function returns true if the spesified vreg is + /// This function returns true if the specified vreg is /// a live-in register and zero-extended. bool isLiveInZExt(unsigned VReg) const; -- cgit v1.2.3