From 71e416ac3aeccfadec2a57150b4f4a243ed6e461 Mon Sep 17 00:00:00 2001
From: Owen Anderson <resistor@mac.com>
Date: Thu, 23 Sep 2010 22:57:01 +0000
Subject: [PATCH] Add isConditionalMove bits to X86 and ARM instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114703 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/ARM/ARMInstrInfo.td   | 4 ++--
 lib/Target/ARM/ARMInstrThumb.td  | 4 ++--
 lib/Target/ARM/ARMInstrThumb2.td | 4 ++--
 lib/Target/X86/X86Instr64bit.td  | 4 ++--
 lib/Target/X86/X86InstrInfo.td   | 4 ++--
 5 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td
index 671a29bb011..1566f81726f 100644
--- a/lib/Target/ARM/ARMInstrInfo.td
+++ b/lib/Target/ARM/ARMInstrInfo.td
@@ -2391,7 +2391,7 @@ def BCCZi64 : PseudoInst<(outs),
 // Conditional moves
 // FIXME: should be able to write a pattern for ARMcmov, but can't use
 // a two-value operand where a dag node expects two operands. :(
-let neverHasSideEffects = 1 in {
+let neverHasSideEffects = 1, isConditionalMove = 1 in {
 def MOVCCr : AI1<0b1101, (outs GPR:$dst), (ins GPR:$false, GPR:$true), DPFrm,
                 IIC_iCMOVr, "mov", "\t$dst, $true",
       [/*(set GPR:$dst, (ARMcmov GPR:$false, GPR:$true, imm:$cc, CCR:$ccr))*/]>,
@@ -2415,7 +2415,7 @@ def MOVCCi : AI1<0b1101, (outs GPR:$dst),
                 RegConstraint<"$false = $dst">, UnaryDP {
   let Inst{25} = 1;
 }
-} // neverHasSideEffects
+} // neverHasSideEffects, isConditionalMove
 
 //===----------------------------------------------------------------------===//
 // Atomic operations intrinsics
diff --git a/lib/Target/ARM/ARMInstrThumb.td b/lib/Target/ARM/ARMInstrThumb.td
index 015054b3da2..362d92dd0b9 100644
--- a/lib/Target/ARM/ARMInstrThumb.td
+++ b/lib/Target/ARM/ARMInstrThumb.td
@@ -866,7 +866,7 @@ let usesCustomInserter = 1 in  // Expanded after instruction selection.
 
 
 // 16-bit movcc in IT blocks for Thumb2.
-let neverHasSideEffects = 1 in {
+let neverHasSideEffects = 1, isConditionalMove = 1 in {
 def tMOVCCr : T1pIt<(outs GPR:$dst), (ins GPR:$lhs, GPR:$rhs), IIC_iCMOVr,
                     "mov", "\t$dst, $rhs", []>,
               T1Special<{1,0,?,?}>;
@@ -874,7 +874,7 @@ def tMOVCCr : T1pIt<(outs GPR:$dst), (ins GPR:$lhs, GPR:$rhs), IIC_iCMOVr,
 def tMOVCCi : T1pIt<(outs tGPR:$dst), (ins tGPR:$lhs, i32imm:$rhs), IIC_iCMOVi,
                     "mov", "\t$dst, $rhs", []>,
               T1General<{1,0,0,?,?}>;
-} // neverHasSideEffects
+} // neverHasSideEffects, isConditionalMove
 
 // tLEApcrel - Load a pc-relative address into a register without offending the
 // assembler.
diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td
index 6a5078c21b6..868815774ba 100644
--- a/lib/Target/ARM/ARMInstrThumb2.td
+++ b/lib/Target/ARM/ARMInstrThumb2.td
@@ -2169,7 +2169,7 @@ defm t2TEQ  : T2I_cmp_irs<0b0100, "teq",
 // Conditional moves
 // FIXME: should be able to write a pattern for ARMcmov, but can't use
 // a two-value operand where a dag node expects two operands. :(
-let neverHasSideEffects = 1 in {
+let neverHasSideEffects = 1, isConditionalMove = 1 in {
 def t2MOVCCr : T2I<(outs rGPR:$dst), (ins rGPR:$false, rGPR:$true), IIC_iCMOVr,
                    "mov", ".w\t$dst, $true",
    [/*(set rGPR:$dst, (ARMcmov rGPR:$false, rGPR:$true, imm:$cc, CCR:$ccr))*/]>,
@@ -2221,7 +2221,7 @@ def t2MOVCCror : T2I_movcc_sh<0b11, (outs rGPR:$dst),
                              (ins rGPR:$false, rGPR:$true, i32imm:$rhs),
                              IIC_iCMOVsi, "ror", ".w\t$dst, $true, $rhs", []>,
                  RegConstraint<"$false = $dst">;
-} // neverHasSideEffects
+} // neverHasSideEffects, isConditionalMove
 
 //===----------------------------------------------------------------------===//
 // Atomic operations intrinsics
diff --git a/lib/Target/X86/X86Instr64bit.td b/lib/Target/X86/X86Instr64bit.td
index 1d3f6c8f08c..f892ff72276 100644
--- a/lib/Target/X86/X86Instr64bit.td
+++ b/lib/Target/X86/X86Instr64bit.td
@@ -1366,7 +1366,7 @@ def BTS64mi8 : RIi8<0xBA, MRM5m, (outs), (ins i64mem:$src1, i64i8imm:$src2),
 } // Defs = [EFLAGS]
 
 // Conditional moves
-let Uses = [EFLAGS], Constraints = "$src1 = $dst" in {
+let isConditionalMove = 1, Uses = [EFLAGS], Constraints = "$src1 = $dst" in {
 let isCommutable = 1 in {
 def CMOVB64rr : RI<0x42, MRMSrcReg,       // if <u, GR64 = GR64
                    (outs GR64:$dst), (ins GR64:$src1, GR64:$src2),
@@ -1530,7 +1530,7 @@ def CMOVNO64rm : RI<0x41, MRMSrcMem,       // if !overflow, GR64 = [mem64]
                    "cmovno{q}\t{$src2, $dst|$dst, $src2}",
                     [(set GR64:$dst, (X86cmov GR64:$src1, (loadi64 addr:$src2),
                                      X86_COND_NO, EFLAGS))]>, TB;
-} // Constraints = "$src1 = $dst"
+} // isConditionalMove, Constraints = "$src1 = $dst"
 
 // Use sbb to materialize carry flag into a GPR.
 // FIXME: This are pseudo ops that should be replaced with Pat<> patterns.
diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td
index e8669070b83..bc3212255f6 100644
--- a/lib/Target/X86/X86InstrInfo.td
+++ b/lib/Target/X86/X86InstrInfo.td
@@ -1269,7 +1269,7 @@ let Constraints = "$src1 = $dst" in {
 // Conditional moves
 let Uses = [EFLAGS] in {
 
-let Predicates = [HasCMov] in {
+let isConditionalMove = 1, Predicates = [HasCMov] in {
 let isCommutable = 1 in {
 def CMOVB16rr : I<0x42, MRMSrcReg,       // if <u, GR16 = GR16
                   (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
@@ -1657,7 +1657,7 @@ def CMOVNO32rm : I<0x41, MRMSrcMem,       // if !overflow, GR32 = [mem32]
                    [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
                                     X86_COND_NO, EFLAGS))]>,
                   TB;
-} // Predicates = [HasCMov]
+} // isConditionalMove, Predicates = [HasCMov]
 
 // X86 doesn't have 8-bit conditional moves. Use a customInserter to
 // emit control flow. An alternative to this is to mark i8 SELECT as Promote,