Mesa (master): radeon/llvm: Fix segfault while lowering lrp intrinsic

[Tom Stellard]

Module: Mesa
Branch: master
Commit: c20e7417992380871261699c2b0123819e7d51fc
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=c20e7417992380871261699c2b0123819e7d51fc

Author: Tom Stellard <thomas.stellard at amd.com>
Date:   Thu May 17 20:39:54 2012 -0400

radeon/llvm: Fix segfault while lowering lrp intrinsic

---

 src/gallium/drivers/radeon/AMDGPUISelLowering.cpp |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/gallium/drivers/radeon/AMDGPUISelLowering.cpp b/src/gallium/drivers/radeon/AMDGPUISelLowering.cpp
index b447e67..8df8035 100644
--- a/src/gallium/drivers/radeon/AMDGPUISelLowering.cpp
+++ b/src/gallium/drivers/radeon/AMDGPUISelLowering.cpp
@@ -91,8 +91,9 @@ SDValue AMDGPUTargetLowering::LowerIntrinsicLRP(SDValue Op,
 {
   DebugLoc DL = Op.getDebugLoc();
   EVT VT = Op.getValueType();
-  SDValue OneSubA = DAG.getNode(ISD::FSUB, DL, VT, DAG.getConstant(1, VT),
-                                                   Op.getOperand(1));
+  SDValue OneSubA = DAG.getNode(ISD::FSUB, DL, VT,
+                                DAG.getConstantFP(1.0f, MVT::f32),
+                                Op.getOperand(1));
   SDValue OneSubAC = DAG.getNode(ISD::FMUL, DL, VT, OneSubA,
                                                     Op.getOperand(3));
   return DAG.getNode(AMDILISD::MAD, DL, VT, Op.getOperand(1),