From f637e2cb2344415b12ad943d29b0fd78abde2b42 Mon Sep 17 00:00:00 2001
From: Robert Lytton <robert@xmos.com>
Date: Wed, 18 Sep 2013 12:43:35 +0000
Subject: Prevent LoopVectorizer and SLPVectorizer running if the target has no
 vector registers.

XCore target: Add XCoreTargetTransformInfo
This is where getNumberOfRegisters() resides, which in turn returns the
number of vector registers (=0).

llvm-svn: 190936
---
 llvm/lib/Target/XCore/XCoreTargetMachine.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'llvm/lib/Target/XCore/XCoreTargetMachine.cpp')

diff --git a/llvm/lib/Target/XCore/XCoreTargetMachine.cpp b/llvm/lib/Target/XCore/XCoreTargetMachine.cpp
index 3ef1520c71a..9ae0b860dff 100644
--- a/llvm/lib/Target/XCore/XCoreTargetMachine.cpp
+++ b/llvm/lib/Target/XCore/XCoreTargetMachine.cpp
@@ -70,3 +70,11 @@ bool XCorePassConfig::addInstSelector() {
 extern "C" void LLVMInitializeXCoreTarget() {
   RegisterTargetMachine<XCoreTargetMachine> X(TheXCoreTarget);
 }
+
+void XCoreTargetMachine::addAnalysisPasses(PassManagerBase &PM) {
+  // Add first the target-independent BasicTTI pass, then our XCore pass. This
+  // allows the XCore pass to delegate to the target independent layer when
+  // appropriate.
+  PM.add(createBasicTargetTransformInfoPass(this));
+  PM.add(createXCoreTargetTransformInfoPass(this));
+}
-- 
cgit v1.2.3