Materialize GA addresses with movw + movt pairs for Darwin in PIC mode. e.g.
movw r0, :lower16:(L_foo$non_lazy_ptr-(LPC0_0+4))
movt r0, :upper16:(L_foo$non_lazy_ptr-(LPC0_0+4))
LPC0_0:
add r0, pc, r0
It's not yet enabled by default as some tests are failing. I suspect bugs in
down stream tools.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123619 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMFastISel.cpp b/lib/Target/ARM/ARMFastISel.cpp
index 14ed25d..b9d6fc6 100644
--- a/lib/Target/ARM/ARMFastISel.cpp
+++ b/lib/Target/ARM/ARMFastISel.cpp
@@ -517,7 +517,7 @@
// Grab index.
unsigned PCAdj = (RelocM != Reloc::PIC_) ? 0 : (Subtarget->isThumb() ? 4 : 8);
- unsigned Id = AFI->createConstPoolEntryUId();
+ unsigned Id = AFI->createPICLabelUId();
ARMConstantPoolValue *CPV = new ARMConstantPoolValue(GV, Id,
ARMCP::CPValue, PCAdj);
unsigned Idx = MCP.getConstantPoolIndex(CPV, Align);