Have TargetLowering::getPICJumpTableRelocBase return a node that points to the

GOT if jump table uses 64-bit gp-relative relocation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154341 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index 82a91de2bbc9edcb8e4baae2a24e1e7d7cd7cc5f..09a2b1f3d7a5da16fc314eb4e7ccd27093dc6d28 100644 (file)
--- a/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -1079,8 +1079,12 @@ unsigned TargetLowering::getJumpTableEncoding() const {
 SDValue TargetLowering::getPICJumpTableRelocBase(SDValue Table,
                                                  SelectionDAG &DAG) const {
   // If our PIC model is GP relative, use the global offset table as the base.
-  if (getJumpTableEncoding() == MachineJumpTableInfo::EK_GPRel32BlockAddress)
+  unsigned JTEncoding = getJumpTableEncoding();
+
+  if ((JTEncoding == MachineJumpTableInfo::EK_GPRel64BlockAddress) ||
+      (JTEncoding == MachineJumpTableInfo::EK_GPRel32BlockAddress))
     return DAG.getGLOBAL_OFFSET_TABLE(getPointerTy());
+
   return Table;
 }
 

diff --git a/test/CodeGen/Mips/2010-07-20-Switch.ll b/test/CodeGen/Mips/2010-07-20-Switch.ll
index 785a416ab049221cf4b902da4b97d3dd7df6a4f0..aaf6767a3bdaaee48d88f2801ba555fd1f5fbec3 100644 (file)
--- a/test/CodeGen/Mips/2010-07-20-Switch.ll
+++ b/test/CodeGen/Mips/2010-07-20-Switch.ll
@@ -13,9 +13,13 @@ entry:
 ; PIC-O32: lw $[[R0:[0-9]+]], %got($JTI0_0)
 ; PIC-O32: addiu ${{[0-9]+}}, $[[R0]], %lo($JTI0_0)
 ; PIC-O32: sll ${{[0-9]+}}, ${{[0-9]+}}, 2
+; PIC-O32: addu $[[R1:[0-9]+]], ${{[0-9]+}}, $gp
+; PIC-O32: jr  $[[R1]]
 ; PIC-N64: ld $[[R0:[0-9]+]], %got_page($JTI0_0)
 ; PIC-N64: daddiu ${{[0-9]+}}, $[[R0]], %got_ofst($JTI0_0)
 ; PIC-N64: dsll ${{[0-9]+}}, ${{[0-9]+}}, 3
+; PIC-N64: daddu $[[R1:[0-9]+]], ${{[0-9]+}}, $gp
+; PIC-N64: jr  $[[R1]]
   switch i32 %0, label %bb4 [
     i32 0, label %bb5
     i32 1, label %bb1