From: Anton Korobeynikov <asl@math.spbu.ru>
Date: Sun, 14 Jul 2013 15:11:00 +0000 (+0000)
Subject: Properly lower jump tables on MSP430. Patch by Job Noorman!
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=a77f816c4c6e4c833ac9ab78e2e038dcfb861c73;p=oota-llvm.git

Properly lower jump tables on MSP430. Patch by Job Noorman!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186283 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/MSP430/MSP430ISelLowering.cpp b/lib/Target/MSP430/MSP430ISelLowering.cpp
index b144164ad6f..682eb2c7e69 100644
--- a/lib/Target/MSP430/MSP430ISelLowering.cpp
+++ b/lib/Target/MSP430/MSP430ISelLowering.cpp
@@ -987,8 +987,8 @@ SDValue MSP430TargetLowering::LowerJumpTable(SDValue Op,
                                              SelectionDAG &DAG) const {
     JumpTableSDNode *JT = cast<JumpTableSDNode>(Op);
     SDValue Result = DAG.getTargetJumpTable(JT->getIndex(), getPointerTy());
-    Result.getNode()->setDebugLoc(JT->getDebugLoc());
-    return Result;
+    return DAG.getNode(MSP430ISD::Wrapper, SDLoc(JT),
+                       getPointerTy(), Result);
 }
 
 /// getPostIndexedAddressParts - returns true by value, base pointer and
diff --git a/test/CodeGen/MSP430/jumptable.ll b/test/CodeGen/MSP430/jumptable.ll
index 23619e75720..903ac137ead 100644
--- a/test/CodeGen/MSP430/jumptable.ll
+++ b/test/CodeGen/MSP430/jumptable.ll
@@ -1,4 +1,4 @@
-; RUN: llc -O0 < %s | FileCheck %s
+; RUN: llc < %s | FileCheck %s
 
 target datalayout = "e-p:16:16:16-i8:8:8-i16:16:16-i32:16:32-n8:16"
 target triple = "msp430---elf"
@@ -11,9 +11,9 @@ entry:
   %i.addr = alloca i16, align 2
   store i16 %i, i16* %i.addr, align 2
   %0 = load i16* %i.addr, align 2
-; CHECK: add.w #.LJTI0_0, [[REG1:r[0-9]+]]
-; CHECK: mov.w 0([[REG1]]), [[REG2:r[0-9]+]]
-; CHECK: mov.w [[REG2]], pc
+; CHECK: mov.w #2, r14
+; CHECK: call #__mulhi3hw_noint
+; CHECK: mov.w .LJTI0_0(r15), pc
   switch i16 %0, label %sw.default [
     i16 0, label %sw.bb
     i16 1, label %sw.bb1
@@ -49,6 +49,6 @@ return:                                           ; preds = %sw.default, %sw.bb3
 
 ; CHECK: .LJTI0_0:
 ; CHECK-NEXT: .short .LBB0_2
-; CHECK-NEXT: .short .LBB0_3
 ; CHECK-NEXT: .short .LBB0_4
+; CHECK-NEXT: .short .LBB0_3
 ; CHECK-NEXT: .short .LBB0_5