Factor out the code for determining when symblic addresses
require RIP-relative addressing and use it to fix a bug
in X86FastISel in x86-64 PIC mode, where it was trying to
use base/index registers with RIP-relative addresses. This
fixes a bunch of x86-64 testsuite failures.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56676 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86TargetMachine.cpp b/lib/Target/X86/X86TargetMachine.cpp
index 08753e7..860868a 100644
--- a/lib/Target/X86/X86TargetMachine.cpp
+++ b/lib/Target/X86/X86TargetMachine.cpp
@@ -236,3 +236,12 @@
return false;
}
+
+// symbolicAddressesAreRIPRel - Return true if symbolic addresses are
+// RIP-relative on this machine, taking into consideration the relocation
+// model and subtarget. RIP-relative addresses cannot have a separate
+// base or index register.
+bool X86TargetMachine::symbolicAddressesAreRIPRel() const {
+ return getRelocationModel() != Reloc::Static &&
+ Subtarget.isPICStyleRIPRel();
+}