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mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-10-20 03:23:01 +02:00

[PowerPC] Eliminate integer compare instructions - vol. 3

This patch builds upon https://reviews.llvm.org/rL302810 to add
handling for the 64-bit SETEQ patterns.

Differential Revision: https://reviews.llvm.org/D33369

llvm-svn: 304286
This commit is contained in:
Nemanja Ivanovic 2017-05-31 08:04:07 +00:00
parent e7b364c5a9
commit 9dfbc0911d
7 changed files with 669 additions and 18 deletions

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@ -289,6 +289,10 @@ private:
int64_t RHSValue, SDLoc dl);
SDValue get32BitSExtCompare(SDValue LHS, SDValue RHS, ISD::CondCode CC,
int64_t RHSValue, SDLoc dl);
SDValue get64BitZExtCompare(SDValue LHS, SDValue RHS, ISD::CondCode CC,
int64_t RHSValue, SDLoc dl);
SDValue get64BitSExtCompare(SDValue LHS, SDValue RHS, ISD::CondCode CC,
int64_t RHSValue, SDLoc dl);
SDValue getSETCCInGPR(SDValue Compare, SetccInGPROpts ConvOpts);
void PeepholePPC64();
@ -2849,6 +2853,52 @@ SDValue PPCDAGToDAGISel::get32BitSExtCompare(SDValue LHS, SDValue RHS,
}
}
/// Produces a zero-extended result of comparing two 64-bit values according to
/// the passed condition code.
SDValue PPCDAGToDAGISel::get64BitZExtCompare(SDValue LHS, SDValue RHS,
ISD::CondCode CC,
int64_t RHSValue, SDLoc dl) {
bool IsRHSZero = RHSValue == 0;
switch (CC) {
default: return SDValue();
case ISD::SETEQ: {
// (zext (setcc %a, %b, seteq)) -> (lshr (ctlz (xor %a, %b)), 6)
// (zext (setcc %a, 0, seteq)) -> (lshr (ctlz %a), 6)
SDValue Xor = IsRHSZero ? LHS :
SDValue(CurDAG->getMachineNode(PPC::XOR8, dl, MVT::i64, LHS, RHS), 0);
SDValue Clz =
SDValue(CurDAG->getMachineNode(PPC::CNTLZD, dl, MVT::i64, Xor), 0);
return SDValue(CurDAG->getMachineNode(PPC::RLDICL, dl, MVT::i64, Clz,
getI64Imm(58, dl), getI64Imm(63, dl)),
0);
}
}
}
/// Produces a sign-extended result of comparing two 64-bit values according to
/// the passed condition code.
SDValue PPCDAGToDAGISel::get64BitSExtCompare(SDValue LHS, SDValue RHS,
ISD::CondCode CC,
int64_t RHSValue, SDLoc dl) {
bool IsRHSZero = RHSValue == 0;
switch (CC) {
default: return SDValue();
case ISD::SETEQ: {
// {addc.reg, addc.CA} = (addcarry (xor %a, %b), -1)
// (sext (setcc %a, %b, seteq)) -> (sube addc.reg, addc.reg, addc.CA)
// {addcz.reg, addcz.CA} = (addcarry %a, -1)
// (sext (setcc %a, 0, seteq)) -> (sube addcz.reg, addcz.reg, addcz.CA)
SDValue AddInput = IsRHSZero ? LHS :
SDValue(CurDAG->getMachineNode(PPC::XOR8, dl, MVT::i64, LHS, RHS), 0);
SDValue Addic =
SDValue(CurDAG->getMachineNode(PPC::ADDIC8, dl, MVT::i64, MVT::Glue,
AddInput, getI32Imm(~0U, dl)), 0);
return SDValue(CurDAG->getMachineNode(PPC::SUBFE8, dl, MVT::i64, Addic,
Addic, Addic.getValue(1)), 0);
}
}
}
/// Does this SDValue have any uses for which keeping the value in a GPR is
/// appropriate. This is meant to be used on values that have type i1 since
/// it is somewhat meaningless to ask if values of other types can be kept in
@ -2896,30 +2946,35 @@ SDValue PPCDAGToDAGISel::getSETCCInGPR(SDValue Compare,
ISD::CondCode CC =
cast<CondCodeSDNode>(Compare.getOperand(CCOpNum))->get();
EVT InputVT = LHS.getValueType();
if (InputVT != MVT::i32)
if (InputVT != MVT::i32 && InputVT != MVT::i64)
return SDValue();
SDLoc dl(Compare);
ConstantSDNode *RHSConst = dyn_cast<ConstantSDNode>(RHS);
int64_t RHSValue = RHSConst ? RHSConst->getSExtValue() : INT64_MAX;
if (ConvOpts == SetccInGPROpts::ZExtInvert ||
ConvOpts == SetccInGPROpts::SExtInvert)
CC = ISD::getSetCCInverse(CC, true);
if (ISD::isSignedIntSetCC(CC)) {
bool Inputs32Bit = InputVT == MVT::i32;
if (ISD::isSignedIntSetCC(CC) && Inputs32Bit) {
LHS = signExtendInputIfNeeded(LHS);
RHS = signExtendInputIfNeeded(RHS);
} else if (ISD::isUnsignedIntSetCC(CC)) {
} else if (ISD::isUnsignedIntSetCC(CC) && Inputs32Bit) {
LHS = zeroExtendInputIfNeeded(LHS);
RHS = zeroExtendInputIfNeeded(RHS);
}
SDLoc dl(Compare);
ConstantSDNode *RHSConst = dyn_cast<ConstantSDNode>(RHS);
int64_t RHSValue = RHSConst ? RHSConst->getSExtValue() : INT64_MAX;
bool IsSext = ConvOpts == SetccInGPROpts::SExtOrig ||
ConvOpts == SetccInGPROpts::SExtInvert;
if (IsSext)
if (IsSext && Inputs32Bit)
return get32BitSExtCompare(LHS, RHS, CC, RHSValue, dl);
return get32BitZExtCompare(LHS, RHS, CC, RHSValue, dl);
else if (Inputs32Bit)
return get32BitZExtCompare(LHS, RHS, CC, RHSValue, dl);
else if (IsSext)
return get64BitSExtCompare(LHS, RHS, CC, RHSValue, dl);
return get64BitZExtCompare(LHS, RHS, CC, RHSValue, dl);
}
void PPCDAGToDAGISel::transferMemOperands(SDNode *N, SDNode *Result) {

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@ -212,13 +212,14 @@ cleanup:
ret i32 %retval.0
; CHECK-LABEL: @testComplexISEL
; CHECK: bc 12, 2, [[TRUE:.LBB[0-9]+]]
; CHECK-NEXT: b [[SUCCESSOR:.LBB[0-9]+]]
; CHECK-NEXT: [[TRUE]]
; CHECK-NEXT: addi r3, r12, 0
; CHECK-NEXT: [[SUCCESSOR]]
; CHECK-NEXT: clrldi r3, r3, 32
; CHECK-NEXT: blr
; CHECK-DAG: [[LI:r[0-9]+]], 1
; CHECK-DAG: cmplwi [[LD:r[0-9]+]], 0
; CHECK: beq cr0, [[EQ:.LBB[0-9_]+]]
; CHECK: blr
; CHECK: [[EQ]]
; CHECK: xor [[XOR:r[0-9]+]]
; CHECK: cntlzd [[CZ:r[0-9]+]], [[XOR]]
; CHECK: rldicl [[SH:r[0-9]+]], [[CZ]], 58, 63
}
!1 = !{!2, !2, i64 0}

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@ -7,8 +7,8 @@
; RUN: --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
; Function Attrs: nounwind
define signext i32 @test(i32 signext %a, i32 signext %b, i32 signext %c) {
; CHECK-LABEL: test:
define signext i32 @logic_ne_32(i32 signext %a, i32 signext %b, i32 signext %c) {
; CHECK-LABEL: logic_ne_32:
; CHECK: xor r7, r3, r4
; CHECK-NEXT: li r6, 55
; CHECK-NEXT: xor r5, r5, r6
@ -65,5 +65,66 @@ if.end29: ; preds = %if.else
}
; Function Attrs: nounwind
define i64 @logic_ne_64(i64 %a, i64 %b, i64 %c) {
; CHECK-LABEL: logic_ne_64:
; CHECK: xor r7, r3, r4
; CHECK-NEXT: li r6, 55
; CHECK-NEXT: xor r5, r5, r6
; CHECK-NEXT: or r7, r7, r4
; CHECK-NEXT: cntlzd r6, r7
; CHECK-NEXT: cntlzd r5, r5
; CHECK-NEXT: rldicl r6, r6, 58, 63
; CHECK-NEXT: rldicl r5, r5, 58, 63
; CHECK-NEXT: or. r5, r6, r5
; CHECK-NEXT: bc 4, 1
entry:
%tobool = icmp eq i64 %a, %b
%tobool1 = icmp eq i64 %b, 0
%or.cond = and i1 %tobool, %tobool1
%tobool3 = icmp eq i64 %c, 55
%or.cond5 = or i1 %or.cond, %tobool3
br i1 %or.cond5, label %if.end, label %if.then
if.then: ; preds = %entry
%call = tail call i64 @foo64(i64 %a) #2
br label %return
if.end: ; preds = %entry
%call4 = tail call i64 @bar64(i64 %b) #2
br label %return
return: ; preds = %if.end, %if.then
%retval.0 = phi i64 [ %call4, %if.end ], [ %call, %if.then ]
ret i64 %retval.0
}
define void @neg_truncate_i64(i64 *%ptr) {
; CHECK-LABEL: neg_truncate_i64:
; CHECK: # BB#0: # %entry
; CHECK-NEXT: ld r3, 0(r3)
; CHECK-NEXT: rldicl. r3, r3, 0, 63
; CHECK-NEXT: bclr 12, 2, 0
; CHECK-NEXT: # BB#1: # %if.end29.thread136
; CHECK-NEXT: .LBB3_2: # %if.end29
entry:
%0 = load i64, i64* %ptr, align 4
%rem17127 = and i64 %0, 1
%cmp18 = icmp eq i64 %rem17127, 0
br label %if.else
if.else: ; preds = %entry
br i1 %cmp18, label %if.end29, label %if.end29.thread136
if.end29.thread136: ; preds = %if.else
unreachable
if.end29: ; preds = %if.else
ret void
}
declare signext i32 @foo(i32 signext)
declare signext i32 @bar(i32 signext)
declare i64 @foo64(i64)
declare i64 @bar64(i64)

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@ -0,0 +1,134 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -O2 \
; RUN: -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
; RUN: --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -O2 \
; RUN: -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
; RUN: --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
; ModuleID = 'ComparisonTestCases/testComparesieqsll.c'
@glob = common local_unnamed_addr global i64 0, align 8
; Function Attrs: norecurse nounwind readnone
define signext i32 @test_ieqsll(i64 %a, i64 %b) {
; CHECK-LABEL: test_ieqsll:
; CHECK: # BB#0: # %entry
; CHECK-NEXT: xor r3, r3, r4
; CHECK-NEXT: cntlzd r3, r3
; CHECK-NEXT: rldicl r3, r3, 58, 63
; CHECK-NEXT: blr
entry:
%cmp = icmp eq i64 %a, %b
%conv = zext i1 %cmp to i32
ret i32 %conv
}
; Function Attrs: norecurse nounwind readnone
define signext i32 @test_ieqsll_sext(i64 %a, i64 %b) {
; CHECK-LABEL: test_ieqsll_sext:
; CHECK: # BB#0: # %entry
; CHECK-NEXT: xor r3, r3, r4
; CHECK-NEXT: addic r3, r3, -1
; CHECK-NEXT: subfe r3, r3, r3
; CHECK-NEXT: blr
entry:
%cmp = icmp eq i64 %a, %b
%sub = sext i1 %cmp to i32
ret i32 %sub
}
; Function Attrs: norecurse nounwind readnone
define signext i32 @test_ieqsll_z(i64 %a) {
; CHECK-LABEL: test_ieqsll_z:
; CHECK: # BB#0: # %entry
; CHECK-NEXT: cntlzd r3, r3
; CHECK-NEXT: rldicl r3, r3, 58, 63
; CHECK-NEXT: blr
entry:
%cmp = icmp eq i64 %a, 0
%conv = zext i1 %cmp to i32
ret i32 %conv
}
; Function Attrs: norecurse nounwind readnone
define signext i32 @test_ieqsll_sext_z(i64 %a) {
; CHECK-LABEL: test_ieqsll_sext_z:
; CHECK: # BB#0: # %entry
; CHECK-NEXT: addic r3, r3, -1
; CHECK-NEXT: subfe r3, r3, r3
; CHECK-NEXT: blr
entry:
%cmp = icmp eq i64 %a, 0
%sub = sext i1 %cmp to i32
ret i32 %sub
}
; Function Attrs: norecurse nounwind
define void @test_ieqsll_store(i64 %a, i64 %b) {
; CHECK-LABEL: test_ieqsll_store:
; CHECK: # BB#0: # %entry
; CHECK-NEXT: addis r5, r2, .LC0@toc@ha
; CHECK-NEXT: xor r3, r3, r4
; CHECK-NEXT: ld r12, .LC0@toc@l(r5)
; CHECK-NEXT: cntlzd r3, r3
; CHECK-NEXT: rldicl r3, r3, 58, 63
; CHECK-NEXT: std r3, 0(r12)
; CHECK-NEXT: blr
entry:
%cmp = icmp eq i64 %a, %b
%conv1 = zext i1 %cmp to i64
store i64 %conv1, i64* @glob, align 8
ret void
}
; Function Attrs: norecurse nounwind
define void @test_ieqsll_sext_store(i64 %a, i64 %b) {
; CHECK-LABEL: test_ieqsll_sext_store:
; CHECK: # BB#0: # %entry
; CHECK-NEXT: addis r5, r2, .LC0@toc@ha
; CHECK-NEXT: xor r3, r3, r4
; CHECK-NEXT: ld r12, .LC0@toc@l(r5)
; CHECK-NEXT: addic r3, r3, -1
; CHECK-NEXT: subfe r3, r3, r3
; CHECK-NEXT: std r3, 0(r12)
; CHECK-NEXT: blr
entry:
%cmp = icmp eq i64 %a, %b
%conv1 = sext i1 %cmp to i64
store i64 %conv1, i64* @glob, align 8
ret void
}
; Function Attrs: norecurse nounwind
define void @test_ieqsll_z_store(i64 %a) {
; CHECK-LABEL: test_ieqsll_z_store:
; CHECK: # BB#0: # %entry
; CHECK-NEXT: addis r4, r2, .LC0@toc@ha
; CHECK-NEXT: cntlzd r3, r3
; CHECK-NEXT: ld r4, .LC0@toc@l(r4)
; CHECK-NEXT: rldicl r3, r3, 58, 63
; CHECK-NEXT: std r3, 0(r4)
; CHECK-NEXT: blr
entry:
%cmp = icmp eq i64 %a, 0
%conv1 = zext i1 %cmp to i64
store i64 %conv1, i64* @glob, align 8
ret void
}
; Function Attrs: norecurse nounwind
define void @test_ieqsll_sext_z_store(i64 %a) {
; CHECK-LABEL: test_ieqsll_sext_z_store:
; CHECK: # BB#0: # %entry
; CHECK-NEXT: addis r4, r2, .LC0@toc@ha
; CHECK-NEXT: addic r3, r3, -1
; CHECK-NEXT: ld r4, .LC0@toc@l(r4)
; CHECK-NEXT: subfe r3, r3, r3
; CHECK-NEXT: std r3, 0(r4)
; CHECK-NEXT: blr
entry:
%cmp = icmp eq i64 %a, 0
%conv1 = sext i1 %cmp to i64
store i64 %conv1, i64* @glob, align 8
ret void
}

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@ -0,0 +1,134 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -O2 \
; RUN: -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
; RUN: --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -O2 \
; RUN: -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
; RUN: --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
; ModuleID = 'ComparisonTestCases/testComparesiequll.c'
@glob = common local_unnamed_addr global i64 0, align 8
; Function Attrs: norecurse nounwind readnone
define signext i32 @test_iequll(i64 %a, i64 %b) {
; CHECK-LABEL: test_iequll:
; CHECK: # BB#0: # %entry
; CHECK-NEXT: xor r3, r3, r4
; CHECK-NEXT: cntlzd r3, r3
; CHECK-NEXT: rldicl r3, r3, 58, 63
; CHECK-NEXT: blr
entry:
%cmp = icmp eq i64 %a, %b
%conv = zext i1 %cmp to i32
ret i32 %conv
}
; Function Attrs: norecurse nounwind readnone
define signext i32 @test_iequll_sext(i64 %a, i64 %b) {
; CHECK-LABEL: test_iequll_sext:
; CHECK: # BB#0: # %entry
; CHECK-NEXT: xor r3, r3, r4
; CHECK-NEXT: addic r3, r3, -1
; CHECK-NEXT: subfe r3, r3, r3
; CHECK-NEXT: blr
entry:
%cmp = icmp eq i64 %a, %b
%sub = sext i1 %cmp to i32
ret i32 %sub
}
; Function Attrs: norecurse nounwind readnone
define signext i32 @test_iequll_z(i64 %a) {
; CHECK-LABEL: test_iequll_z:
; CHECK: # BB#0: # %entry
; CHECK-NEXT: cntlzd r3, r3
; CHECK-NEXT: rldicl r3, r3, 58, 63
; CHECK-NEXT: blr
entry:
%cmp = icmp eq i64 %a, 0
%conv = zext i1 %cmp to i32
ret i32 %conv
}
; Function Attrs: norecurse nounwind readnone
define signext i32 @test_iequll_sext_z(i64 %a) {
; CHECK-LABEL: test_iequll_sext_z:
; CHECK: # BB#0: # %entry
; CHECK-NEXT: addic r3, r3, -1
; CHECK-NEXT: subfe r3, r3, r3
; CHECK-NEXT: blr
entry:
%cmp = icmp eq i64 %a, 0
%sub = sext i1 %cmp to i32
ret i32 %sub
}
; Function Attrs: norecurse nounwind
define void @test_iequll_store(i64 %a, i64 %b) {
; CHECK-LABEL: test_iequll_store:
; CHECK: # BB#0: # %entry
; CHECK-NEXT: addis r5, r2, .LC0@toc@ha
; CHECK-NEXT: xor r3, r3, r4
; CHECK-NEXT: ld r12, .LC0@toc@l(r5)
; CHECK-NEXT: cntlzd r3, r3
; CHECK-NEXT: rldicl r3, r3, 58, 63
; CHECK-NEXT: std r3, 0(r12)
; CHECK-NEXT: blr
entry:
%cmp = icmp eq i64 %a, %b
%conv1 = zext i1 %cmp to i64
store i64 %conv1, i64* @glob, align 8
ret void
}
; Function Attrs: norecurse nounwind
define void @test_iequll_sext_store(i64 %a, i64 %b) {
; CHECK-LABEL: test_iequll_sext_store:
; CHECK: # BB#0: # %entry
; CHECK-NEXT: addis r5, r2, .LC0@toc@ha
; CHECK-NEXT: xor r3, r3, r4
; CHECK-NEXT: ld r12, .LC0@toc@l(r5)
; CHECK-NEXT: addic r3, r3, -1
; CHECK-NEXT: subfe r3, r3, r3
; CHECK-NEXT: std r3, 0(r12)
; CHECK-NEXT: blr
entry:
%cmp = icmp eq i64 %a, %b
%conv1 = sext i1 %cmp to i64
store i64 %conv1, i64* @glob, align 8
ret void
}
; Function Attrs: norecurse nounwind
define void @test_iequll_z_store(i64 %a) {
; CHECK-LABEL: test_iequll_z_store:
; CHECK: # BB#0: # %entry
; CHECK-NEXT: addis r4, r2, .LC0@toc@ha
; CHECK-NEXT: cntlzd r3, r3
; CHECK-NEXT: ld r4, .LC0@toc@l(r4)
; CHECK-NEXT: rldicl r3, r3, 58, 63
; CHECK-NEXT: std r3, 0(r4)
; CHECK-NEXT: blr
entry:
%cmp = icmp eq i64 %a, 0
%conv1 = zext i1 %cmp to i64
store i64 %conv1, i64* @glob, align 8
ret void
}
; Function Attrs: norecurse nounwind
define void @test_iequll_sext_z_store(i64 %a) {
; CHECK-LABEL: test_iequll_sext_z_store:
; CHECK: # BB#0: # %entry
; CHECK-NEXT: addis r4, r2, .LC0@toc@ha
; CHECK-NEXT: addic r3, r3, -1
; CHECK-NEXT: ld r4, .LC0@toc@l(r4)
; CHECK-NEXT: subfe r3, r3, r3
; CHECK-NEXT: std r3, 0(r4)
; CHECK-NEXT: blr
entry:
%cmp = icmp eq i64 %a, 0
%conv1 = sext i1 %cmp to i64
store i64 %conv1, i64* @glob, align 8
ret void
}

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@ -0,0 +1,133 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -O2 \
; RUN: -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
; RUN: --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -O2 \
; RUN: -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
; RUN: --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
@glob = common local_unnamed_addr global i64 0, align 8
; Function Attrs: norecurse nounwind readnone
define i64 @test_lleqsll(i64 %a, i64 %b) {
; CHECK-LABEL: test_lleqsll:
; CHECK: # BB#0: # %entry
; CHECK-NEXT: xor r3, r3, r4
; CHECK-NEXT: cntlzd r3, r3
; CHECK-NEXT: rldicl r3, r3, 58, 63
; CHECK-NEXT: blr
entry:
%cmp = icmp eq i64 %a, %b
%conv1 = zext i1 %cmp to i64
ret i64 %conv1
}
; Function Attrs: norecurse nounwind readnone
define i64 @test_lleqsll_sext(i64 %a, i64 %b) {
; CHECK-LABEL: test_lleqsll_sext:
; CHECK: # BB#0: # %entry
; CHECK-NEXT: xor r3, r3, r4
; CHECK-NEXT: addic r3, r3, -1
; CHECK-NEXT: subfe r3, r3, r3
; CHECK-NEXT: blr
entry:
%cmp = icmp eq i64 %a, %b
%conv1 = sext i1 %cmp to i64
ret i64 %conv1
}
; Function Attrs: norecurse nounwind readnone
define i64 @test_lleqsll_z(i64 %a) {
; CHECK-LABEL: test_lleqsll_z:
; CHECK: # BB#0: # %entry
; CHECK-NEXT: cntlzd r3, r3
; CHECK-NEXT: rldicl r3, r3, 58, 63
; CHECK-NEXT: blr
entry:
%cmp = icmp eq i64 %a, 0
%conv1 = zext i1 %cmp to i64
ret i64 %conv1
}
; Function Attrs: norecurse nounwind readnone
define i64 @test_lleqsll_sext_z(i64 %a) {
; CHECK-LABEL: test_lleqsll_sext_z:
; CHECK: # BB#0: # %entry
; CHECK-NEXT: addic r3, r3, -1
; CHECK-NEXT: subfe r3, r3, r3
; CHECK-NEXT: blr
entry:
%cmp = icmp eq i64 %a, 0
%conv1 = sext i1 %cmp to i64
ret i64 %conv1
}
; Function Attrs: norecurse nounwind
define void @test_lleqsll_store(i64 %a, i64 %b) {
; CHECK-LABEL: test_lleqsll_store:
; CHECK: # BB#0: # %entry
; CHECK-NEXT: addis r5, r2, .LC0@toc@ha
; CHECK-NEXT: xor r3, r3, r4
; CHECK-NEXT: ld r12, .LC0@toc@l(r5)
; CHECK-NEXT: cntlzd r3, r3
; CHECK-NEXT: rldicl r3, r3, 58, 63
; CHECK-NEXT: std r3, 0(r12)
; CHECK-NEXT: blr
entry:
%cmp = icmp eq i64 %a, %b
%conv1 = zext i1 %cmp to i64
store i64 %conv1, i64* @glob, align 8
ret void
}
; Function Attrs: norecurse nounwind
define void @test_lleqsll_sext_store(i64 %a, i64 %b) {
; CHECK-LABEL: test_lleqsll_sext_store:
; CHECK: # BB#0: # %entry
; CHECK-NEXT: addis r5, r2, .LC0@toc@ha
; CHECK-NEXT: xor r3, r3, r4
; CHECK-NEXT: ld r12, .LC0@toc@l(r5)
; CHECK-NEXT: addic r3, r3, -1
; CHECK-NEXT: subfe r3, r3, r3
; CHECK-NEXT: std r3, 0(r12)
; CHECK-NEXT: blr
entry:
%cmp = icmp eq i64 %a, %b
%conv1 = sext i1 %cmp to i64
store i64 %conv1, i64* @glob, align 8
ret void
}
; Function Attrs: norecurse nounwind
define void @test_lleqsll_z_store(i64 %a) {
; CHECK-LABEL: test_lleqsll_z_store:
; CHECK: # BB#0: # %entry
; CHECK-NEXT: addis r4, r2, .LC0@toc@ha
; CHECK-NEXT: cntlzd r3, r3
; CHECK-NEXT: ld r4, .LC0@toc@l(r4)
; CHECK-NEXT: rldicl r3, r3, 58, 63
; CHECK-NEXT: std r3, 0(r4)
; CHECK-NEXT: blr
entry:
%cmp = icmp eq i64 %a, 0
%conv1 = zext i1 %cmp to i64
store i64 %conv1, i64* @glob, align 8
ret void
}
; Function Attrs: norecurse nounwind
define void @test_lleqsll_sext_z_store(i64 %a) {
; CHECK-LABEL: test_lleqsll_sext_z_store:
; CHECK: # BB#0: # %entry
; CHECK-NEXT: addis r4, r2, .LC0@toc@ha
; CHECK-NEXT: addic r3, r3, -1
; CHECK-NEXT: ld r4, .LC0@toc@l(r4)
; CHECK-NEXT: subfe r3, r3, r3
; CHECK-NEXT: std r3, 0(r4)
; CHECK-NEXT: blr
entry:
%cmp = icmp eq i64 %a, 0
%conv1 = sext i1 %cmp to i64
store i64 %conv1, i64* @glob, align 8
ret void
}

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@ -0,0 +1,133 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -O2 \
; RUN: -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
; RUN: --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -O2 \
; RUN: -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
; RUN: --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
@glob = common local_unnamed_addr global i64 0, align 8
; Function Attrs: norecurse nounwind readnone
define i64 @test_llequll(i64 %a, i64 %b) {
; CHECK-LABEL: test_llequll:
; CHECK: # BB#0: # %entry
; CHECK-NEXT: xor r3, r3, r4
; CHECK-NEXT: cntlzd r3, r3
; CHECK-NEXT: rldicl r3, r3, 58, 63
; CHECK-NEXT: blr
entry:
%cmp = icmp eq i64 %a, %b
%conv1 = zext i1 %cmp to i64
ret i64 %conv1
}
; Function Attrs: norecurse nounwind readnone
define i64 @test_llequll_sext(i64 %a, i64 %b) {
; CHECK-LABEL: test_llequll_sext:
; CHECK: # BB#0: # %entry
; CHECK-NEXT: xor r3, r3, r4
; CHECK-NEXT: addic r3, r3, -1
; CHECK-NEXT: subfe r3, r3, r3
; CHECK-NEXT: blr
entry:
%cmp = icmp eq i64 %a, %b
%conv1 = sext i1 %cmp to i64
ret i64 %conv1
}
; Function Attrs: norecurse nounwind readnone
define i64 @test_llequll_z(i64 %a) {
; CHECK-LABEL: test_llequll_z:
; CHECK: # BB#0: # %entry
; CHECK-NEXT: cntlzd r3, r3
; CHECK-NEXT: rldicl r3, r3, 58, 63
; CHECK-NEXT: blr
entry:
%cmp = icmp eq i64 %a, 0
%conv1 = zext i1 %cmp to i64
ret i64 %conv1
}
; Function Attrs: norecurse nounwind readnone
define i64 @test_llequll_sext_z(i64 %a) {
; CHECK-LABEL: test_llequll_sext_z:
; CHECK: # BB#0: # %entry
; CHECK-NEXT: addic r3, r3, -1
; CHECK-NEXT: subfe r3, r3, r3
; CHECK-NEXT: blr
entry:
%cmp = icmp eq i64 %a, 0
%conv1 = sext i1 %cmp to i64
ret i64 %conv1
}
; Function Attrs: norecurse nounwind
define void @test_llequll_store(i64 %a, i64 %b) {
; CHECK-LABEL: test_llequll_store:
; CHECK: # BB#0: # %entry
; CHECK-NEXT: addis r5, r2, .LC0@toc@ha
; CHECK-NEXT: xor r3, r3, r4
; CHECK-NEXT: ld r12, .LC0@toc@l(r5)
; CHECK-NEXT: cntlzd r3, r3
; CHECK-NEXT: rldicl r3, r3, 58, 63
; CHECK-NEXT: std r3, 0(r12)
; CHECK-NEXT: blr
entry:
%cmp = icmp eq i64 %a, %b
%conv1 = zext i1 %cmp to i64
store i64 %conv1, i64* @glob, align 8
ret void
}
; Function Attrs: norecurse nounwind
define void @test_llequll_sext_store(i64 %a, i64 %b) {
; CHECK-LABEL: test_llequll_sext_store:
; CHECK: # BB#0: # %entry
; CHECK-NEXT: addis r5, r2, .LC0@toc@ha
; CHECK-NEXT: xor r3, r3, r4
; CHECK-NEXT: ld r12, .LC0@toc@l(r5)
; CHECK-NEXT: addic r3, r3, -1
; CHECK-NEXT: subfe r3, r3, r3
; CHECK-NEXT: std r3, 0(r12)
; CHECK-NEXT: blr
entry:
%cmp = icmp eq i64 %a, %b
%conv1 = sext i1 %cmp to i64
store i64 %conv1, i64* @glob, align 8
ret void
}
; Function Attrs: norecurse nounwind
define void @test_llequll_z_store(i64 %a) {
; CHECK-LABEL: test_llequll_z_store:
; CHECK: # BB#0: # %entry
; CHECK-NEXT: addis r4, r2, .LC0@toc@ha
; CHECK-NEXT: cntlzd r3, r3
; CHECK-NEXT: ld r4, .LC0@toc@l(r4)
; CHECK-NEXT: rldicl r3, r3, 58, 63
; CHECK-NEXT: std r3, 0(r4)
; CHECK-NEXT: blr
entry:
%cmp = icmp eq i64 %a, 0
%conv1 = zext i1 %cmp to i64
store i64 %conv1, i64* @glob, align 8
ret void
}
; Function Attrs: norecurse nounwind
define void @test_llequll_sext_z_store(i64 %a) {
; CHECK-LABEL: test_llequll_sext_z_store:
; CHECK: # BB#0: # %entry
; CHECK-NEXT: addis r4, r2, .LC0@toc@ha
; CHECK-NEXT: addic r3, r3, -1
; CHECK-NEXT: ld r4, .LC0@toc@l(r4)
; CHECK-NEXT: subfe r3, r3, r3
; CHECK-NEXT: std r3, 0(r4)
; CHECK-NEXT: blr
entry:
%cmp = icmp eq i64 %a, 0
%conv1 = sext i1 %cmp to i64
store i64 %conv1, i64* @glob, align 8
ret void
}