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WebAssembly: fix build breakage.

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Summary:
processFunctionBeforeCalleeSavedScan was renamed to determineCalleeSaves and now takes a BitVector parameter as of rL242165, reviewed in http://reviews.llvm.org/D10909

WebAssembly is still marked as experimental and therefore doesn't build by default. It does, however, grep by default! I notice that processFunctionBeforeCalleeSavedScan is still mentioned in a few comments and error messages, which I also fixed.

Reviewers: qcolombet, sunfish

Subscribers: jfb, dsanders, hfinkel, MatzeB, llvm-commits

Differential Revision: http://reviews.llvm.org/D11199

llvm-svn: 242242
This commit is contained in:
JF Bastien 2015-07-14 23:06:07 +00:00
parent f7a4ebfecb
commit 24e01d0990
7 changed files with 13 additions and 12 deletions
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2
include/llvm/Target/TargetRegisterInfo.h
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@ -769,7 +769,7 @@ public:
/// x86, if the frame register is required, the first fixed stack object is
/// reserved as its spill slot. This tells PEI not to create a new stack frame
/// object for the given register. It should be called only after
/// processFunctionBeforeCalleeSavedScan().
/// determineCalleeSaves().
virtual bool hasReservedSpillSlot(const MachineFunction &MF, unsigned Reg,
int &FrameIdx) const {
return false;

2
lib/Target/AArch64/AArch64FrameLowering.cpp
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@ -910,7 +910,7 @@ void AArch64FrameLowering::determineCalleeSaves(MachineFunction &MF,
unsigned NumFPRSpilled = 0;
bool ExtraCSSpill = false;
bool CanEliminateFrame = true;
DEBUG(dbgs() << "*** processFunctionBeforeCalleeSavedScan\nUsed CSRs:");
DEBUG(dbgs() << "*** determineCalleeSaves\nUsed CSRs:");
const MCPhysReg *CSRegs = RegInfo->getCalleeSavedRegs(&MF);
// Check pairs of consecutive callee-saved registers.

2
lib/Target/AArch64/AArch64MachineFunctionInfo.h
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@ -42,7 +42,7 @@ class AArch64FunctionInfo : public MachineFunctionInfo {
unsigned ArgumentStackToRestore;
/// HasStackFrame - True if this function has a stack frame. Set by
/// processFunctionBeforeCalleeSavedScan().
/// determineCalleeSaves().
bool HasStackFrame;
/// \brief Amount of stack frame size, not including callee-saved registers.

2
lib/Target/ARM/ARMMachineFunctionInfo.h
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@ -52,7 +52,7 @@ class ARMFunctionInfo : public MachineFunctionInfo {
unsigned ReturnRegsCount;
/// HasStackFrame - True if this function has a stack frame. Set by
/// processFunctionBeforeCalleeSavedScan().
/// determineCalleeSaves().
bool HasStackFrame;
/// RestoreSPFromFP - True if epilogue should restore SP from FP. Set by

7
lib/Target/WebAssembly/WebAssemblyFrameLowering.cpp
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@ -68,7 +68,8 @@ void WebAssemblyFrameLowering::emitEpilogue(MachineFunction &MF,
llvm_unreachable("TODO: implement emitEpilogue");
}
void WebAssemblyFrameLowering::processFunctionBeforeCalleeSavedScan(
MachineFunction &MF, RegScavenger *RS) const {
llvm_unreachable("TODO: implement processFunctionBeforeCalleeSavedScan");
void WebAssemblyFrameLowering::determineCalleeSaves(MachineFunction &MF,
BitVector &SavedRegs,
RegScavenger *RS) const {
llvm_unreachable("TODO: implement determineCalleeSaves");
}

4
lib/Target/WebAssembly/WebAssemblyFrameLowering.h
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@ -39,8 +39,8 @@ public:
bool hasFP(const MachineFunction &MF) const override;
bool hasReservedCallFrame(const MachineFunction &MF) const override;
void processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
RegScavenger *RS) const override;
void determineCalleeSaves(MachineFunction &MF, BitVector &SavedRegs,
RegScavenger *RS = nullptr) const override;
};
} // end namespace llvm

6
test/CodeGen/AArch64/arm64-spill-lr.ll
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@ -1,9 +1,9 @@
; RUN: llc -mtriple=arm64-apple-ios < %s
@bar = common global i32 0, align 4
; Leaf function which uses all callee-saved registers and allocates >= 256 bytes on the stack
; this will cause processFunctionBeforeCalleeSavedScan() to spill LR as an additional scratch
; register.
; Leaf function which uses all callee-saved registers and allocates >= 256 bytes
; on the stack this will cause determineCalleeSaves() to spill LR as an
; additional scratch register.
;
; This is a crash-only regression test for rdar://15124582.
define i32 @foo(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e, i32 %f, i32 %g, i32 %h) nounwind {