From 5ffd24c49f6d78c166ee357424bf4e20f61af6bc Mon Sep 17 00:00:00 2001
From: Akira Hatanaka <ahatanaka@mips.com>
Date: Tue, 5 Mar 2013 23:22:30 +0000
Subject: [PATCH] [mips] Remove android calling convention.

This calling convention was added just to handle functions which return vector
of floats. The fix committed in r165585 solves the problem.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176530 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/Mips/Mips.td                   |  2 --
 lib/Target/Mips/MipsCallingConv.td        | 12 ------------
 lib/Target/Mips/MipsSubtarget.cpp         |  2 +-
 lib/Target/Mips/MipsSubtarget.h           |  4 ----
 test/CodeGen/Mips/return-vector-float4.ll | 12 ------------
 5 files changed, 1 insertion(+), 31 deletions(-)
 delete mode 100644 test/CodeGen/Mips/return-vector-float4.ll

diff --git a/lib/Target/Mips/Mips.td b/lib/Target/Mips/Mips.td
index 13266233dd3..eefb02a494c 100644
--- a/lib/Target/Mips/Mips.td
+++ b/lib/Target/Mips/Mips.td
@@ -44,8 +44,6 @@ def FeatureN64         : SubtargetFeature<"n64", "MipsABI", "N64",
                                 "Enable n64 ABI">;
 def FeatureEABI        : SubtargetFeature<"eabi", "MipsABI", "EABI",
                                 "Enable eabi ABI">;
-def FeatureAndroid     : SubtargetFeature<"android", "IsAndroid", "true",
-                                "Target is android">;
 def FeatureVFPU        : SubtargetFeature<"vfpu", "HasVFPU",
                                 "true", "Enable vector FPU instructions.">;
 def FeatureSEInReg     : SubtargetFeature<"seinreg", "HasSEInReg", "true",
diff --git a/lib/Target/Mips/MipsCallingConv.td b/lib/Target/Mips/MipsCallingConv.td
index 8e9e4c726fa..462def76cc8 100644
--- a/lib/Target/Mips/MipsCallingConv.td
+++ b/lib/Target/Mips/MipsCallingConv.td
@@ -144,17 +144,6 @@ def RetCC_MipsEABI : CallingConv<[
   CCIfType<[f64], CCIfSubtarget<"isNotSingleFloat()", CCAssignToReg<[D0]>>>
 ]>;
 
-//===----------------------------------------------------------------------===//
-// Mips Android Calling Convention
-//===----------------------------------------------------------------------===//
-
-def RetCC_MipsAndroid : CallingConv<[
-  // f32 are returned in registers F0, F2, F1, F3
-  CCIfType<[f32], CCAssignToReg<[F0, F2, F1, F3]>>,
-
-  CCDelegateTo<RetCC_MipsO32>
-]>;
-
 //===----------------------------------------------------------------------===//
 // Mips FastCC Calling Convention
 //===----------------------------------------------------------------------===//
@@ -215,7 +204,6 @@ def RetCC_Mips : CallingConv<[
   CCIfSubtarget<"isABI_EABI()", CCDelegateTo<RetCC_MipsEABI>>,
   CCIfSubtarget<"isABI_N32()", CCDelegateTo<RetCC_MipsN>>,
   CCIfSubtarget<"isABI_N64()", CCDelegateTo<RetCC_MipsN>>,
-  CCIfSubtarget<"isAndroid()", CCDelegateTo<RetCC_MipsAndroid>>,
   CCDelegateTo<RetCC_MipsO32>
 ]>;
 
diff --git a/lib/Target/Mips/MipsSubtarget.cpp b/lib/Target/Mips/MipsSubtarget.cpp
index 75b4c98a9f5..e11e5d142b7 100644
--- a/lib/Target/Mips/MipsSubtarget.cpp
+++ b/lib/Target/Mips/MipsSubtarget.cpp
@@ -33,7 +33,7 @@ MipsSubtarget::MipsSubtarget(const std::string &TT, const std::string &CPU,
   IsLinux(true), HasSEInReg(false), HasCondMov(false), HasSwap(false),
   HasBitCount(false), HasFPIdx(false),
   InMips16Mode(false), InMicroMipsMode(false), HasDSP(false), HasDSPR2(false),
-  IsAndroid(false), RM(_RM)
+  RM(_RM)
 {
   std::string CPUName = CPU;
   if (CPUName.empty())
diff --git a/lib/Target/Mips/MipsSubtarget.h b/lib/Target/Mips/MipsSubtarget.h
index 32baa3d85ad..7a2e47ce5a9 100644
--- a/lib/Target/Mips/MipsSubtarget.h
+++ b/lib/Target/Mips/MipsSubtarget.h
@@ -95,9 +95,6 @@ protected:
   // HasDSP, HasDSPR2 -- supports DSP ASE.
   bool HasDSP, HasDSPR2;
 
-  // IsAndroid -- target is android
-  bool IsAndroid;
-
   InstrItineraryData InstrItins;
 
   // The instance to the register info section object
@@ -144,7 +141,6 @@ public:
   bool inMicroMipsMode() const { return InMicroMipsMode; }
   bool hasDSP() const { return HasDSP; }
   bool hasDSPR2() const { return HasDSPR2; }
-  bool isAndroid() const { return IsAndroid; }
   bool isLinux() const { return IsLinux; }
   bool useSmallSection() const { return UseSmallSection; }
 
diff --git a/test/CodeGen/Mips/return-vector-float4.ll b/test/CodeGen/Mips/return-vector-float4.ll
deleted file mode 100644
index ae10f123e4d..00000000000
--- a/test/CodeGen/Mips/return-vector-float4.ll
+++ /dev/null
@@ -1,12 +0,0 @@
-; RUN: llc -march=mipsel -mattr=+android < %s | FileCheck %s
-
-define <4 x float> @retvec4() nounwind readnone {
-entry:
-; CHECK: lwc1 $f0
-; CHECK: lwc1 $f2
-; CHECK: lwc1 $f1
-; CHECK: lwc1 $f3
-
-  ret <4 x float> <float 1.000000e+00, float 2.000000e+00, float 3.000000e+00, float 4.000000e+00>
-}
-