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Expand pseudos/macros BteqzT8SltiX16, BteqzT8SltiuX16,

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BtnezT8SltiX16, BtnezT8SltiuX16 .



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175486 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reed Kotler 2013-02-19 03:56:57 +00:00
parent cbc6d79705
commit 8a20844e27
4 changed files with 232 additions and 1 deletions
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17
lib/Target/Mips/Mips16InstrInfo.cpp
View File

@ -132,7 +132,6 @@ loadRegFromStackSlot(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
bool Mips16InstrInfo::expandPostRAPseudo(MachineBasicBlock::iterator MI) const {
MachineBasicBlock &MBB = *MI->getParent();
switch(MI->getDesc().getOpcode()) {
default:
return false;
@ -146,11 +145,19 @@ bool Mips16InstrInfo::expandPostRAPseudo(MachineBasicBlock::iterator MI) const {
case Mips::BteqzT8SltX16:
ExpandFEXT_T8I816_ins(MBB, MI, Mips::BteqzX16, Mips::SltRxRy16);
break;
case Mips::BteqzT8SltiX16:
ExpandFEXT_T8I8I16_ins(MBB, MI, Mips::BteqzX16,
Mips::SltiRxImm16, Mips::SltiRxImmX16);
break;
case Mips::BteqzT8SltuX16:
// TBD: figure out a way to get this or remove the instruction
// altogether.
ExpandFEXT_T8I816_ins(MBB, MI, Mips::BteqzX16, Mips::SltuRxRy16);
break;
case Mips::BteqzT8SltiuX16:
ExpandFEXT_T8I8I16_ins(MBB, MI, Mips::BteqzX16,
Mips::SltiuRxImm16, Mips::SltiuRxImmX16);
break;
case Mips::BtnezT8CmpX16:
ExpandFEXT_T8I816_ins(MBB, MI, Mips::BtnezX16, Mips::CmpRxRy16);
break;
@ -161,11 +168,19 @@ bool Mips16InstrInfo::expandPostRAPseudo(MachineBasicBlock::iterator MI) const {
case Mips::BtnezT8SltX16:
ExpandFEXT_T8I816_ins(MBB, MI, Mips::BtnezX16, Mips::SltRxRy16);
break;
case Mips::BtnezT8SltiX16:
ExpandFEXT_T8I8I16_ins(MBB, MI, Mips::BtnezX16,
Mips::SltiRxImm16, Mips::SltiRxImmX16);
break;
case Mips::BtnezT8SltuX16:
// TBD: figure out a way to get this or remove the instruction
// altogether.
ExpandFEXT_T8I816_ins(MBB, MI, Mips::BtnezX16, Mips::SltuRxRy16);
break;
case Mips::BtnezT8SltiuX16:
ExpandFEXT_T8I8I16_ins(MBB, MI, Mips::BtnezX16,
Mips::SltiuRxImm16, Mips::SltiuRxImmX16);
break;
case Mips::RetRA16:
ExpandRetRA16(MBB, MI, Mips::JrcRa16);
break;

32
lib/Target/Mips/Mips16InstrInfo.td
View File

@ -1012,13 +1012,45 @@ def SllX16: FEXT_SHIFT16_ins<0b00, "sll", IIAlu>;
//
def SllvRxRy16 : FRxRxRy16_ins<0b00100, "sllv", IIAlu>;
// Format: SLTI rx, immediate MIPS16e
// Purpose: Set on Less Than Immediate
// To record the result of a less-than comparison with a constant.
//
//
def SltiRxImm16: FRI16_ins<0b01010, "slti", IIAlu> {
let Defs = [T8];
}
//
// Format: SLTI rx, immediate MIPS16e
// Purpose: Set on Less Than Immediate (Extended)
// To record the result of a less-than comparison with a constant.
//
//
def SltiRxImmX16: FEXT_RI16_ins<0b01010, "slti", IIAlu> {
let Defs = [T8];
}
def SltiCCRxImmX16: FEXT_CCRXI16_ins<"slti">;
// Format: SLTIU rx, immediate MIPS16e
// Purpose: Set on Less Than Immediate Unsigned
// To record the result of a less-than comparison with a constant.
//
//
def SltiuRxImm16: FRI16_ins<0b01011, "sltiu", IIAlu> {
let Defs = [T8];
}
//
// Format: SLTI rx, immediate MIPS16e
// Purpose: Set on Less Than Immediate Unsigned (Extended)
// To record the result of a less-than comparison with a constant.
//
//
def SltiuRxImmX16: FEXT_RI16_ins<0b01011, "sltiu", IIAlu> {
let Defs = [T8];
}
//
// Format: SLTIU rx, immediate MIPS16e
// Purpose: Set on Less Than Immediate Unsigned (Extended)

92
test/CodeGen/Mips/selgek.ll Normal file
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@ -0,0 +1,92 @@
; RUN: llc -march=mipsel -mcpu=mips16 -relocation-model=pic < %s | FileCheck %s -check-prefix=16
@t = global i32 10, align 4
@f = global i32 199, align 4
@a = global i32 2, align 4
@b = global i32 1000, align 4
@c = global i32 2, align 4
@z1 = common global i32 0, align 4
@z2 = common global i32 0, align 4
@z3 = common global i32 0, align 4
@z4 = common global i32 0, align 4
@.str = private unnamed_addr constant [5 x i8] c"%i \0A\00", align 1
define void @calc_z() nounwind "target-cpu"="mips16" "target-features"="+mips16,+o32" {
entry:
%0 = load i32* @a, align 4
%cmp = icmp sge i32 %0, 1000
br i1 %cmp, label %cond.true, label %cond.false
cond.true: ; preds = %entry
%1 = load i32* @f, align 4
br label %cond.end
cond.false: ; preds = %entry
%2 = load i32* @t, align 4
br label %cond.end
cond.end: ; preds = %cond.false, %cond.true
%cond = phi i32 [ %1, %cond.true ], [ %2, %cond.false ]
store i32 %cond, i32* @z1, align 4
%3 = load i32* @b, align 4
%cmp1 = icmp sge i32 %3, 1
br i1 %cmp1, label %cond.true2, label %cond.false3
cond.true2: ; preds = %cond.end
%4 = load i32* @t, align 4
br label %cond.end4
cond.false3: ; preds = %cond.end
%5 = load i32* @f, align 4
br label %cond.end4
cond.end4: ; preds = %cond.false3, %cond.true2
%cond5 = phi i32 [ %4, %cond.true2 ], [ %5, %cond.false3 ]
store i32 %cond5, i32* @z2, align 4
%6 = load i32* @c, align 4
%cmp6 = icmp sge i32 %6, 2
br i1 %cmp6, label %cond.true7, label %cond.false8
cond.true7: ; preds = %cond.end4
%7 = load i32* @t, align 4
br label %cond.end9
cond.false8: ; preds = %cond.end4
%8 = load i32* @f, align 4
br label %cond.end9
cond.end9: ; preds = %cond.false8, %cond.true7
%cond10 = phi i32 [ %7, %cond.true7 ], [ %8, %cond.false8 ]
store i32 %cond10, i32* @z3, align 4
%9 = load i32* @a, align 4
%cmp11 = icmp sge i32 %9, 2
br i1 %cmp11, label %cond.true12, label %cond.false13
cond.true12: ; preds = %cond.end9
%10 = load i32* @t, align 4
br label %cond.end14
cond.false13: ; preds = %cond.end9
%11 = load i32* @f, align 4
br label %cond.end14
cond.end14: ; preds = %cond.false13, %cond.true12
%cond15 = phi i32 [ %10, %cond.true12 ], [ %11, %cond.false13 ]
store i32 %cond15, i32* @z4, align 4
ret void
}
attributes #0 = { nounwind "target-cpu"="mips16" "target-features"="+mips16,+o32" }
attributes #1 = { "target-cpu"="mips16" "target-features"="+mips16,+o32" }
; 16: slti ${{[0-9]+}}, 1000
; 16: btnez $BB{{[0-9]+}}_{{[0-9]}}
; 16: slti ${{[0-9]+}}, 1 # 16 bit inst
; 16: btnez $BB{{[0-9]+}}_{{[0-9]}}
; 16: slti ${{[0-9]+}}, 2 # 16 bit inst
; 16: btnez $BB{{[0-9]+}}_{{[0-9]}}
; 16: slti ${{[0-9]+}}, 2 # 16 bit inst
; 16: btnez $BB{{[0-9]+}}_{{[0-9]}}

92
test/CodeGen/Mips/selltk.ll Normal file
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@ -0,0 +1,92 @@
; RUN: llc -march=mipsel -mcpu=mips16 -relocation-model=pic < %s | FileCheck %s -check-prefix=16
@t = global i32 10, align 4
@f = global i32 199, align 4
@a = global i32 2, align 4
@b = global i32 1000, align 4
@c = global i32 2, align 4
@z1 = common global i32 0, align 4
@z2 = common global i32 0, align 4
@z3 = common global i32 0, align 4
@z4 = common global i32 0, align 4
@.str = private unnamed_addr constant [5 x i8] c"%i \0A\00", align 1
define void @calc_selltk() nounwind "target-cpu"="mips16" "target-features"="+mips16,+o32" {
entry:
%0 = load i32* @a, align 4
%cmp = icmp slt i32 %0, 1000
br i1 %cmp, label %cond.true, label %cond.false
cond.true: ; preds = %entry
%1 = load i32* @t, align 4
br label %cond.end
cond.false: ; preds = %entry
%2 = load i32* @f, align 4
br label %cond.end
cond.end: ; preds = %cond.false, %cond.true
%cond = phi i32 [ %1, %cond.true ], [ %2, %cond.false ]
store i32 %cond, i32* @z1, align 4
%3 = load i32* @b, align 4
%cmp1 = icmp slt i32 %3, 2
br i1 %cmp1, label %cond.true2, label %cond.false3
cond.true2: ; preds = %cond.end
%4 = load i32* @f, align 4
br label %cond.end4
cond.false3: ; preds = %cond.end
%5 = load i32* @t, align 4
br label %cond.end4
cond.end4: ; preds = %cond.false3, %cond.true2
%cond5 = phi i32 [ %4, %cond.true2 ], [ %5, %cond.false3 ]
store i32 %cond5, i32* @z2, align 4
%6 = load i32* @c, align 4
%cmp6 = icmp sgt i32 %6, 2
br i1 %cmp6, label %cond.true7, label %cond.false8
cond.true7: ; preds = %cond.end4
%7 = load i32* @f, align 4
br label %cond.end9
cond.false8: ; preds = %cond.end4
%8 = load i32* @t, align 4
br label %cond.end9
cond.end9: ; preds = %cond.false8, %cond.true7
%cond10 = phi i32 [ %7, %cond.true7 ], [ %8, %cond.false8 ]
store i32 %cond10, i32* @z3, align 4
%9 = load i32* @a, align 4
%cmp11 = icmp sgt i32 %9, 2
br i1 %cmp11, label %cond.true12, label %cond.false13
cond.true12: ; preds = %cond.end9
%10 = load i32* @f, align 4
br label %cond.end14
cond.false13: ; preds = %cond.end9
%11 = load i32* @t, align 4
br label %cond.end14
cond.end14: ; preds = %cond.false13, %cond.true12
%cond15 = phi i32 [ %10, %cond.true12 ], [ %11, %cond.false13 ]
store i32 %cond15, i32* @z4, align 4
ret void
}
attributes #0 = { nounwind "target-cpu"="mips16" "target-features"="+mips16,+o32" }
attributes #1 = { "target-cpu"="mips16" "target-features"="+mips16,+o32" }
; 16: slt ${{[0-9]+}}, ${{[0-9]+}}
; 16: btnez $BB{{[0-9]+}}_{{[0-9]}}
; 16: slt ${{[0-9]+}}, ${{[0-9]+}}
; 16: btnez $BB{{[0-9]+}}_{{[0-9]}}
; 16: slti ${{[0-9]+}}, 3 # 16 bit inst
; 16: btnez $BB{{[0-9]+}}_{{[0-9]}}
; 16: slti ${{[0-9]+}}, 3 # 16 bit inst
; 16: btnez $BB{{[0-9]+}}_{{[0-9]}}