| # RUN: llc -verify-machineinstrs -mcpu=pwr9 -mtriple powerpc64le-unknown-linux-gnu \ |
| # RUN: -run-pass=block-placement -o - %s | FileCheck %s |
| --- | |
| ; ModuleID = 'block-placement.ll' |
| source_filename = "block-placement.ll" |
| target datalayout = "e-m:e-i64:64-n32:64" |
| target triple = "powerpc64le-unknown-linux-gnu" |
| |
| %"class.xercesc_2_7::HashXMLCh" = type { %"class.xercesc_2_7::HashBase" } |
| %"class.xercesc_2_7::HashBase" = type { i32 (...)** } |
| |
| define dso_local zeroext i1 @_ZN11xercesc_2_79HashXMLCh6equalsEPKvS2_(%"class.xercesc_2_7::HashXMLCh"* nocapture readnone %this, i8* readonly %key1, i8* readonly %key2) unnamed_addr #0 { |
| entry: |
| %cmp.i = icmp eq i8* %key1, null |
| %cmp1.i = icmp eq i8* %key2, null |
| %or.cond.i = or i1 %cmp.i, %cmp1.i |
| br i1 %or.cond.i, label %if.then.i, label %while.cond.preheader.i |
| |
| while.cond.preheader.i: ; preds = %entry |
| %0 = bitcast i8* %key2 to i16* |
| %1 = bitcast i8* %key1 to i16* |
| %2 = load i16, i16* %1, align 2 |
| %3 = load i16, i16* %0, align 2 |
| %cmp926.i = icmp eq i16 %2, %3 |
| br i1 %cmp926.i, label %while.body.i.preheader, label %_ZN11xercesc_2_79XMLString6equalsEPKtS2_.exit |
| |
| while.body.i.preheader: ; preds = %while.cond.preheader.i |
| %scevgep = getelementptr i8, i8* %key2, i64 2 |
| %scevgep4 = getelementptr i8, i8* %key1, i64 2 |
| br label %while.body.i |
| |
| if.then.i: ; preds = %entry |
| br i1 %cmp.i, label %lor.lhs.false3.i, label %land.lhs.true.i |
| |
| land.lhs.true.i: ; preds = %if.then.i |
| %4 = bitcast i8* %key1 to i16* |
| %5 = load i16, i16* %4, align 2 |
| %tobool.i = icmp eq i16 %5, 0 |
| br i1 %tobool.i, label %lor.lhs.false3.i, label %_ZN11xercesc_2_79XMLString6equalsEPKtS2_.exit |
| |
| lor.lhs.false3.i: ; preds = %land.lhs.true.i, %if.then.i |
| br i1 %cmp1.i, label %if.else.i, label %land.lhs.true5.i |
| |
| land.lhs.true5.i: ; preds = %lor.lhs.false3.i |
| %6 = bitcast i8* %key2 to i16* |
| %7 = load i16, i16* %6, align 2 |
| %tobool6.i = icmp eq i16 %7, 0 |
| br i1 %tobool6.i, label %if.else.i, label %_ZN11xercesc_2_79XMLString6equalsEPKtS2_.exit |
| |
| if.else.i: ; preds = %land.lhs.true5.i, %lor.lhs.false3.i |
| br label %_ZN11xercesc_2_79XMLString6equalsEPKtS2_.exit |
| |
| while.body.i: ; preds = %while.body.i.preheader, %if.end12.i |
| %lsr.iv5 = phi i8* [ %scevgep4, %while.body.i.preheader ], [ %scevgep6, %if.end12.i ] |
| %lsr.iv = phi i8* [ %scevgep, %while.body.i.preheader ], [ %scevgep2, %if.end12.i ] |
| %8 = phi i16 [ %15, %if.end12.i ], [ %2, %while.body.i.preheader ] |
| %9 = phi i8* [ %key1, %while.body.i.preheader ], [ %13, %if.end12.i ] |
| %10 = phi i8* [ %key2, %while.body.i.preheader ], [ %11, %if.end12.i ] |
| %11 = getelementptr i8, i8* %10, i64 2 |
| %12 = bitcast i8* %11 to i16* |
| %13 = getelementptr i8, i8* %9, i64 2 |
| %14 = bitcast i8* %13 to i16* |
| %tobool10.i = icmp eq i16 %8, 0 |
| br i1 %tobool10.i, label %_ZN11xercesc_2_79XMLString6equalsEPKtS2_.exit, label %if.end12.i |
| |
| if.end12.i: ; preds = %while.body.i |
| %15 = load i16, i16* %14, align 2 |
| %16 = load i16, i16* %12, align 2 |
| %cmp9.i = icmp eq i16 %15, %16 |
| %scevgep2 = getelementptr i8, i8* %lsr.iv, i64 2 |
| %scevgep6 = getelementptr i8, i8* %lsr.iv5, i64 2 |
| br i1 %cmp9.i, label %while.body.i, label %_ZN11xercesc_2_79XMLString6equalsEPKtS2_.exit |
| |
| _ZN11xercesc_2_79XMLString6equalsEPKtS2_.exit: ; preds = %if.end12.i, %while.body.i, %if.else.i, %land.lhs.true5.i, %land.lhs.true.i, %while.cond.preheader.i |
| %retval.0.i1 = phi i64 [ 1, %if.else.i ], [ 0, %land.lhs.true.i ], [ 0, %land.lhs.true5.i ], [ 0, %while.cond.preheader.i ], [ 0, %if.end12.i ], [ 1, %while.body.i ] |
| %backToBool = trunc i64 %retval.0.i1 to i1 |
| ret i1 %backToBool |
| } |
| |
| attributes #0 = { "target-cpu"="pwr9" } |
| |
| ... |
| --- |
| name: _ZN11xercesc_2_79HashXMLCh6equalsEPKvS2_ |
| alignment: 16 |
| exposesReturnsTwice: false |
| legalized: false |
| regBankSelected: false |
| selected: false |
| failedISel: false |
| tracksRegLiveness: true |
| hasWinCFI: false |
| registers: [] |
| liveins: |
| - { reg: '$x4', virtual-reg: '' } |
| - { reg: '$x5', virtual-reg: '' } |
| frameInfo: |
| isFrameAddressTaken: false |
| isReturnAddressTaken: false |
| hasStackMap: false |
| hasPatchPoint: false |
| stackSize: 0 |
| offsetAdjustment: 0 |
| maxAlignment: 0 |
| adjustsStack: false |
| hasCalls: false |
| stackProtector: '' |
| maxCallFrameSize: 0 |
| cvBytesOfCalleeSavedRegisters: 0 |
| hasOpaqueSPAdjustment: false |
| hasVAStart: false |
| hasMustTailInVarArgFunc: false |
| localFrameSize: 0 |
| savePoint: '' |
| restorePoint: '' |
| fixedStack: [] |
| stack: [] |
| callSites: [] |
| constants: [] |
| machineFunctionInfo: {} |
| body: | |
| bb.0.entry: |
| successors: %bb.5(0x40000000), %bb.1(0x40000000) |
| liveins: $x4, $x5 |
| |
| renamable $cr1 = CMPDI renamable $x4, 0 |
| renamable $cr0 = CMPDI renamable $x5, 0 |
| renamable $cr5lt = CROR renamable $cr1eq, renamable $cr0eq |
| BC killed renamable $cr5lt, %bb.5 |
| |
| bb.1.while.cond.preheader.i: |
| successors: %bb.2(0x40000000), %bb.11(0x40000000) |
| liveins: $x4, $x5 |
| |
| renamable $r8 = LHZ 0, renamable $x4 :: (load 2 from %ir.1) |
| renamable $r6 = LHZ 0, renamable $x5 :: (load 2 from %ir.0) |
| renamable $x3 = LI8 0 |
| renamable $cr0 = CMPLW renamable $r8, killed renamable $r6 |
| BCC 68, killed renamable $cr0, %bb.11 |
| |
| bb.2.while.body.i.preheader: |
| successors: %bb.3(0x80000000) |
| liveins: $r8, $x3, $x4, $x5 |
| |
| renamable $x6 = ADDI8 renamable $x5, 2 |
| renamable $x7 = ADDI8 renamable $x4, 2 |
| |
| bb.3.while.body.i: |
| successors: %bb.4(0x04000000), %bb.10(0x7c000000) |
| liveins: $r8, $x3, $x4, $x5, $x6, $x7 |
| |
| dead renamable $r8 = ANDIo killed renamable $r8, 65535, implicit-def $cr0 |
| BCC 68, killed renamable $cr0, %bb.10 |
| |
| bb.4: |
| renamable $x3 = LI8 1 |
| BLR8 implicit $lr8, implicit $rm, implicit killed $x3 |
| |
| bb.5.if.then.i: |
| successors: %bb.7(0x30000000), %bb.6(0x50000000) |
| liveins: $cr0, $cr1, $x4, $x5 |
| |
| BC killed renamable $cr1eq, %bb.7 |
| |
| bb.6.land.lhs.true.i: |
| successors: %bb.7(0x30000000), %bb.11(0x50000000) |
| liveins: $cr0, $x4, $x5 |
| |
| renamable $r4 = LHZ 0, killed renamable $x4 :: (load 2 from %ir.4) |
| renamable $x3 = LI8 0 |
| renamable $cr1 = CMPLWI killed renamable $r4, 0 |
| BCC 68, killed renamable $cr1, %bb.11 |
| |
| bb.7.lor.lhs.false3.i: |
| successors: %bb.9(0x30000000), %bb.8(0x50000000) |
| liveins: $cr0, $x5 |
| |
| BC killed renamable $cr0eq, %bb.9 |
| |
| bb.8.land.lhs.true5.i: |
| successors: %bb.9(0x80000000) |
| liveins: $x5 |
| |
| renamable $r4 = LHZ 0, killed renamable $x5 :: (load 2 from %ir.6) |
| renamable $x3 = LI8 0 |
| renamable $cr0 = CMPLWI killed renamable $r4, 0 |
| BCCLR 68, killed renamable $cr0, implicit $lr, implicit $rm, implicit killed $x3 |
| |
| bb.9.if.else.i: |
| renamable $x3 = LI8 1 |
| BLR8 implicit $lr8, implicit $rm, implicit killed $x3 |
| |
| bb.10.if.end12.i: |
| successors: %bb.3(0x7c000000), %bb.11(0x04000000) |
| liveins: $x3, $x4, $x5, $x6, $x7 |
| |
| renamable $x5 = ADDI8 killed renamable $x5, 2 |
| renamable $x4 = ADDI8 killed renamable $x4, 2 |
| renamable $r8 = LHZ 0, renamable $x4 :: (load 2 from %ir.14) |
| renamable $r9 = LHZ 0, renamable $x5 :: (load 2 from %ir.12) |
| renamable $x6 = ADDI8 killed renamable $x6, 2 |
| renamable $x7 = ADDI8 killed renamable $x7, 2 |
| renamable $cr0 = CMPLW renamable $r8, killed renamable $r9 |
| BCC 76, killed renamable $cr0, %bb.3 |
| |
| bb.11._ZN11xercesc_2_79XMLString6equalsEPKtS2_.exit: |
| liveins: $x3 |
| |
| BLR8 implicit $lr8, implicit $rm, implicit killed $x3 |
| |
| ; CHECK: bb.5.if.else.i: |
| ; CHECK: successors: %bb.11(0x80000000) |
| ; CHECK: B %bb.11 |
| |
| ; CHECK: bb.8.while.body.i (align 16): |
| ; CHECK: successors: %bb.11(0x04000000), %bb.9(0x7c000000) |
| ; CHECK: BCC 76, killed renamable $cr0, %bb.11 |
| |
| ; CHECK: bb.11: |
| ; CHECK: renamable $x3 = LI8 1 |
| ; CHECK-NEXT: BLR8 implicit $lr8, implicit $rm, implicit killed $x3 |
| ... |