commit b1fc6f613016ff1a29c33e7575478813563719ac
author Petar Avramovic <Petar.Avramovic@rt-rk.com> Fri Jul 26 13:08:06 2019 +0000
committer Petar Avramovic <Petar.Avramovic@rt-rk.com> Fri Jul 26 13:08:06 2019 +0000
tree ecda7b66596111d2d7a5ab340d181c4be2ba001a
parent 61478ec6ac9fc82d95edc6482e4d902d1a944c80

[MIPS GlobalISel] Select inttoptr and ptrtoint

Select G_INTTOPTR and G_PTRTOINT for MIPS32.

Differential Revision: https://reviews.llvm.org/D65217

llvm-svn: 367104

llvm/lib/Target/Mips/MipsInstructionSelector.cpp

diff --git a/llvm/lib/Target/Mips/MipsInstructionSelector.cpp b/llvm/lib/Target/Mips/MipsInstructionSelector.cpp
index 45a47ad..1027698 100644
--- a/llvm/lib/Target/Mips/MipsInstructionSelector.cpp
+++ b/llvm/lib/Target/Mips/MipsInstructionSelector.cpp
@@ -265,6 +265,11 @@
              .add(I.getOperand(2));
     break;
   }
+  case G_INTTOPTR:
+  case G_PTRTOINT: {
+    I.setDesc(TII.get(COPY));
+    return selectCopy(I, MRI);
+  }
   case G_FRAME_INDEX: {
     MI = BuildMI(MBB, I, I.getDebugLoc(), TII.get(Mips::ADDiu))
              .add(I.getOperand(0))

llvm/lib/Target/Mips/MipsLegalizerInfo.cpp

diff --git a/llvm/lib/Target/Mips/MipsLegalizerInfo.cpp b/llvm/lib/Target/Mips/MipsLegalizerInfo.cpp
index 4abc4b2..a62a077 100644
--- a/llvm/lib/Target/Mips/MipsLegalizerInfo.cpp
+++ b/llvm/lib/Target/Mips/MipsLegalizerInfo.cpp
@@ -89,9 +89,12 @@
       .legalFor({s32})
       .clampScalar(0, s32, s32);
 
-  getActionDefinitionsBuilder(G_GEP)
+  getActionDefinitionsBuilder({G_GEP, G_INTTOPTR})
       .legalFor({{p0, s32}});
 
+  getActionDefinitionsBuilder(G_PTRTOINT)
+      .legalFor({{s32, p0}});
+
   getActionDefinitionsBuilder(G_FRAME_INDEX)
       .legalFor({p0});
 

llvm/lib/Target/Mips/MipsRegisterBankInfo.cpp

diff --git a/llvm/lib/Target/Mips/MipsRegisterBankInfo.cpp b/llvm/lib/Target/Mips/MipsRegisterBankInfo.cpp
index d8bcf16..dba866d 100644
--- a/llvm/lib/Target/Mips/MipsRegisterBankInfo.cpp
+++ b/llvm/lib/Target/Mips/MipsRegisterBankInfo.cpp
@@ -388,6 +388,8 @@
   case G_ZEXTLOAD:
   case G_SEXTLOAD:
   case G_GEP:
+  case G_INTTOPTR:
+  case G_PTRTOINT:
   case G_AND:
   case G_OR:
   case G_XOR: