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| author | Evan Cheng <evan.cheng@apple.com> | 2011-01-21 18:55:51 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2011-01-21 18:55:51 +0000 |
| commit | 2f2435d026fdc8259048fdd03156ec6f119d9d9c (patch) | |
| tree | 1f42084b928400dca86820e79879be55c6c0ce33 /llvm/lib/Target/ARM/ARMISelLowering.cpp | |
| parent | 83758d5cd7e196bb7be784d38f9c00ea501654ca (diff) | |
| download | bcm5719-llvm-2f2435d026fdc8259048fdd03156ec6f119d9d9c.tar.gz bcm5719-llvm-2f2435d026fdc8259048fdd03156ec6f119d9d9c.zip | |
Last round of fixes for movw + movt global address codegen.
1. Fixed ARM pc adjustment.
2. Fixed dynamic-no-pic codegen
3. CSE of pc-relative load of global addresses.
It's now enabled by default for Darwin.
llvm-svn: 123991
Diffstat (limited to 'llvm/lib/Target/ARM/ARMISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMISelLowering.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/llvm/lib/Target/ARM/ARMISelLowering.cpp b/llvm/lib/Target/ARM/ARMISelLowering.cpp index a6e1fe79c19..91dca5fd592 100644 --- a/llvm/lib/Target/ARM/ARMISelLowering.cpp +++ b/llvm/lib/Target/ARM/ARMISelLowering.cpp @@ -751,6 +751,7 @@ const char *ARMTargetLowering::getTargetNodeName(unsigned Opcode) const { switch (Opcode) { default: return 0; case ARMISD::Wrapper: return "ARMISD::Wrapper"; + case ARMISD::WrapperDYN: return "ARMISD::WrapperDYN"; case ARMISD::WrapperPIC: return "ARMISD::WrapperPIC"; case ARMISD::WrapperJT: return "ARMISD::WrapperJT"; case ARMISD::CALL: return "ARMISD::CALL"; @@ -1999,11 +2000,13 @@ SDValue ARMTargetLowering::LowerGlobalAddressDarwin(SDValue Op, ++NumMovwMovt; // FIXME: Once remat is capable of dealing with instructions with register // operands, expand this into two nodes. - if (RelocM != Reloc::PIC_) + if (RelocM == Reloc::Static) return DAG.getNode(ARMISD::Wrapper, dl, PtrVT, DAG.getTargetGlobalAddress(GV, dl, PtrVT)); - SDValue Result = DAG.getNode(ARMISD::WrapperPIC, dl, PtrVT, + unsigned Wrapper = (RelocM == Reloc::PIC_) + ? ARMISD::WrapperPIC : ARMISD::WrapperDYN; + SDValue Result = DAG.getNode(Wrapper, dl, PtrVT, DAG.getTargetGlobalAddress(GV, dl, PtrVT)); if (Subtarget->GVIsIndirectSymbol(GV, RelocM)) Result = DAG.getLoad(PtrVT, dl, DAG.getEntryNode(), Result, |
