Fix X86FastISel's output for x86-32 PIC constant pool addresses.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56829 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86FastISel.cpp b/lib/Target/X86/X86FastISel.cpp
index 96539b1..74850da 100644
--- a/lib/Target/X86/X86FastISel.cpp
+++ b/lib/Target/X86/X86FastISel.cpp
@@ -1217,9 +1217,18 @@
Align = Log2_64(Align);
}
+ // x86-32 PIC requires a PIC base register for constant pools.
+ unsigned PICBase = 0;
+ if (TM.getRelocationModel() == Reloc::PIC_ &&
+ !Subtarget->is64Bit())
+ PICBase = getInstrInfo()->getGlobalBaseReg(&MF);
+
+ // Create the load from the constant pool.
unsigned MCPOffset = MCP.getConstantPoolIndex(C, Align);
unsigned ResultReg = createResultReg(RC);
- addConstantPoolReference(BuildMI(MBB, TII.get(Opc), ResultReg), MCPOffset);
+ addConstantPoolReference(BuildMI(MBB, TII.get(Opc), ResultReg), MCPOffset,
+ PICBase);
+
return ResultReg;
}