diff options
Diffstat (limited to 'llvm/test/CodeGen/PowerPC/sms-regpress.mir')
| -rw-r--r-- | llvm/test/CodeGen/PowerPC/sms-regpress.mir | 186 |
1 files changed, 21 insertions, 165 deletions
diff --git a/llvm/test/CodeGen/PowerPC/sms-regpress.mir b/llvm/test/CodeGen/PowerPC/sms-regpress.mir index cebd78a..b01115c 100644 --- a/llvm/test/CodeGen/PowerPC/sms-regpress.mir +++ b/llvm/test/CodeGen/PowerPC/sms-regpress.mir @@ -1,41 +1,30 @@ -# RUN: llc --verify-machineinstrs -mcpu=pwr9 -o - %s -run-pass=pipeliner -ppc-enable-pipeliner -pipeliner-register-pressure -pipeliner-max-mii=50 -pipeliner-ii-search-range=30 -pipeliner-max-stages=10 -debug-only=pipeliner 2>&1 | FileCheck %s +# RUN: llc --verify-machineinstrs -mcpu=pwr9 -o - %s -run-pass=pipeliner -ppc-enable-pipeliner -pipeliner-register-pressure -pipeliner-max-mii=50 -pipeliner-ii-search-range=30 -pipeliner-max-stages=10 -debug-only=pipeliner 2>&1 | FileCheck %s # REQUIRES: asserts # Check that if the register pressure is too high, the schedule is rejected, II is incremented, and scheduling continues. # The specific value of II is not important. -# CHECK: Try to schedule with 21 -# CHECK: Can't schedule -# CHECK: Try to schedule with 22 -# CHECK: Can't schedule -# CHECK: Try to schedule with 23 -# CHECK: Rejected the schedule because of too high register pressure -# CHECK: Try to schedule with 24 -# CHECK: Rejected the schedule because of too high register pressure -# CHECK: Try to schedule with 25 -# CHECK: Rejected the schedule because of too high register pressure -# CHECK: Try to schedule with 26 -# CHECK: Schedule Found? 1 (II=26) +# CHECK: {{^ *}}Try to schedule with {{[0-9]+$}} +# CHECK: {{^ *}}Rejected the schedule because of too high register pressure{{$}} +# CHECK: {{^ *}}Try to schedule with {{[0-9]+$}} +# CHECK: {{^ *}}Schedule Found? 1 (II={{[0-9]+}}){{$}} --- | - ; ModuleID = 'a.ll' - source_filename = "a.c" target datalayout = "e-m:e-Fn32-i64:64-n32:64" target triple = "ppc64le" - ; Function Attrs: nofree nosync nounwind memory(argmem: read) uwtable - define dso_local double @kernel(ptr nocapture noundef readonly %a, ptr nocapture noundef readonly %b, i32 noundef signext %n) local_unnamed_addr #0 { + define dso_local double @kernel(ptr nocapture noundef readonly %a, ptr nocapture noundef readonly %b, i32 noundef signext %n) local_unnamed_addr { entry: - %0 = load double, ptr %a, align 8, !tbaa !3 - %arrayidx1 = getelementptr inbounds double, ptr %a, i64 1 - %1 = load double, ptr %arrayidx1, align 8, !tbaa !3 + %0 = load double, ptr %a, align 8 + %arrayidx1 = getelementptr inbounds i8, ptr %a, i64 8 + %1 = load double, ptr %arrayidx1, align 8 %cmp163 = icmp sgt i32 %n, 0 br i1 %cmp163, label %for.body.preheader, label %for.cond.cleanup for.body.preheader: ; preds = %entry - %wide.trip.count = zext i32 %n to i64 - %scevgep1 = getelementptr i8, ptr %b, i64 -8 + %wide.trip.count = zext nneg i32 %n to i64 + %scevgep167 = getelementptr i8, ptr %b, i64 -8 call void @llvm.set.loop.iterations.i64(i64 %wide.trip.count) br label %for.body @@ -43,11 +32,11 @@ %res.0.lcssa = phi double [ 0.000000e+00, %entry ], [ %30, %for.body ] ret double %res.0.lcssa - for.body: ; preds = %for.body, %for.body.preheader + for.body: ; preds = %for.body.preheader, %for.body %res.0165 = phi double [ 0.000000e+00, %for.body.preheader ], [ %30, %for.body ] - %2 = phi ptr [ %scevgep1, %for.body.preheader ], [ %3, %for.body ] + %2 = phi ptr [ %scevgep167, %for.body.preheader ], [ %3, %for.body ] %3 = getelementptr i8, ptr %2, i64 8 - %4 = load double, ptr %3, align 8, !tbaa !3 + %4 = load double, ptr %3, align 8 %5 = tail call double @llvm.fmuladd.f64(double %0, double %4, double %0) %6 = tail call double @llvm.fmuladd.f64(double %5, double %4, double %5) %7 = tail call double @llvm.fmuladd.f64(double %6, double %4, double %6) @@ -92,152 +81,23 @@ %mul66 = fmul double %12, %mul65 %30 = tail call double @llvm.fmuladd.f64(double %mul66, double %10, double %res.0165) %31 = call i1 @llvm.loop.decrement.i64(i64 1) - br i1 %31, label %for.body, label %for.cond.cleanup, !llvm.loop !7 + br i1 %31, label %for.body, label %for.cond.cleanup } - ; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none) - declare double @llvm.fmuladd.f64(double, double, double) #1 + declare double @llvm.fmuladd.f64(double, double, double) - ; Function Attrs: nocallback noduplicate nofree nosync nounwind willreturn - declare void @llvm.set.loop.iterations.i64(i64) #2 + declare void @llvm.set.loop.iterations.i64(i64) - ; Function Attrs: nocallback noduplicate nofree nosync nounwind willreturn - declare i1 @llvm.loop.decrement.i64(i64) #2 + declare i1 @llvm.loop.decrement.i64(i64) - attributes #0 = { nofree nosync nounwind memory(argmem: read) uwtable "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="pwr9" "target-features"="+altivec,+bpermd,+crbits,+crypto,+direct-move,+extdiv,+htm,+isa-v206-instructions,+isa-v207-instructions,+isa-v30-instructions,+power8-vector,+power9-vector,+quadword-atomics,+vsx,-aix-small-local-exec-tls,-privileged,-rop-protect,-spe" } - attributes #1 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) } - attributes #2 = { nocallback noduplicate nofree nosync nounwind willreturn } - - !llvm.module.flags = !{!0, !1} - !llvm.ident = !{!2} - - !0 = !{i32 1, !"wchar_size", i32 4} - !1 = !{i32 7, !"uwtable", i32 2} - !2 = !{!"clang version 18.0.0 (https://miratech-soft@dev.azure.com/miratech-soft/llvm/_git/llvm c8d01fb665fc5d9378100a6d92ebcd3be49be655)"} - !3 = !{!4, !4, i64 0} - !4 = !{!"double", !5, i64 0} - !5 = !{!"omnipotent char", !6, i64 0} - !6 = !{!"Simple C/C++ TBAA"} - !7 = distinct !{!7, !8, !9} - !8 = !{!"llvm.loop.mustprogress"} - !9 = !{!"llvm.loop.unroll.disable"} - ... --- name: kernel -alignment: 16 -exposesReturnsTwice: false -legalized: false -regBankSelected: false -selected: false -failedISel: false tracksRegLiveness: true -hasWinCFI: false -callsEHReturn: false -callsUnwindInit: false -hasEHCatchret: false -hasEHScopes: false -hasEHFunclets: false -isOutlined: false -debugInstrRef: false -failsVerification: false -tracksDebugUserValues: false -registers: - - { id: 0, class: vsfrc, preferred-register: '' } - - { id: 1, class: vsfrc, preferred-register: '' } - - { id: 2, class: g8rc, preferred-register: '' } - - { id: 3, class: vsfrc, preferred-register: '' } - - { id: 4, class: vsfrc, preferred-register: '' } - - { id: 5, class: g8rc_and_g8rc_nox0, preferred-register: '' } - - { id: 6, class: g8rc, preferred-register: '' } - - { id: 7, class: vsfrc, preferred-register: '' } - - { id: 8, class: g8rc_and_g8rc_nox0, preferred-register: '' } - - { id: 9, class: g8rc_and_g8rc_nox0, preferred-register: '' } - - { id: 10, class: g8rc, preferred-register: '' } - - { id: 11, class: gprc, preferred-register: '' } - - { id: 12, class: vsfrc, preferred-register: '' } - - { id: 13, class: crrc, preferred-register: '' } - - { id: 14, class: vsfrc, preferred-register: '' } - - { id: 15, class: g8rc, preferred-register: '' } - - { id: 16, class: g8rc, preferred-register: '' } - - { id: 17, class: g8rc, preferred-register: '' } - - { id: 18, class: f8rc, preferred-register: '' } - - { id: 19, class: g8rc_and_g8rc_nox0, preferred-register: '' } - - { id: 20, class: vsfrc, preferred-register: '' } - - { id: 21, class: vsfrc, preferred-register: '' } - - { id: 22, class: vsfrc, preferred-register: '' } - - { id: 23, class: vsfrc, preferred-register: '' } - - { id: 24, class: vsfrc, preferred-register: '' } - - { id: 25, class: vsfrc, preferred-register: '' } - - { id: 26, class: vsfrc, preferred-register: '' } - - { id: 27, class: vsfrc, preferred-register: '' } - - { id: 28, class: vsfrc, preferred-register: '' } - - { id: 29, class: vsfrc, preferred-register: '' } - - { id: 30, class: vsfrc, preferred-register: '' } - - { id: 31, class: vsfrc, preferred-register: '' } - - { id: 32, class: vsfrc, preferred-register: '' } - - { id: 33, class: vsfrc, preferred-register: '' } - - { id: 34, class: vsfrc, preferred-register: '' } - - { id: 35, class: vsfrc, preferred-register: '' } - - { id: 36, class: vsfrc, preferred-register: '' } - - { id: 37, class: vsfrc, preferred-register: '' } - - { id: 38, class: vsfrc, preferred-register: '' } - - { id: 39, class: vsfrc, preferred-register: '' } - - { id: 40, class: vsfrc, preferred-register: '' } - - { id: 41, class: vsfrc, preferred-register: '' } - - { id: 42, class: vsfrc, preferred-register: '' } - - { id: 43, class: vsfrc, preferred-register: '' } - - { id: 44, class: vsfrc, preferred-register: '' } - - { id: 45, class: vsfrc, preferred-register: '' } - - { id: 46, class: vsfrc, preferred-register: '' } - - { id: 47, class: vsfrc, preferred-register: '' } - - { id: 48, class: vsfrc, preferred-register: '' } - - { id: 49, class: vsfrc, preferred-register: '' } - - { id: 50, class: vsfrc, preferred-register: '' } - - { id: 51, class: vsfrc, preferred-register: '' } - - { id: 52, class: vsfrc, preferred-register: '' } - - { id: 53, class: vsfrc, preferred-register: '' } - - { id: 54, class: vsfrc, preferred-register: '' } - - { id: 55, class: vsfrc, preferred-register: '' } - - { id: 56, class: vsfrc, preferred-register: '' } - - { id: 57, class: vsfrc, preferred-register: '' } - - { id: 58, class: vsfrc, preferred-register: '' } - - { id: 59, class: vsfrc, preferred-register: '' } - - { id: 60, class: vsfrc, preferred-register: '' } - - { id: 61, class: vsfrc, preferred-register: '' } - - { id: 62, class: crbitrc, preferred-register: '' } liveins: - { reg: '$x3', virtual-reg: '%8' } - { reg: '$x4', virtual-reg: '%9' } - { reg: '$x5', virtual-reg: '%10' } -frameInfo: - isFrameAddressTaken: false - isReturnAddressTaken: false - hasStackMap: false - hasPatchPoint: false - stackSize: 0 - offsetAdjustment: 0 - maxAlignment: 1 - adjustsStack: false - hasCalls: false - stackProtector: '' - functionContext: '' - maxCallFrameSize: 4294967295 - cvBytesOfCalleeSavedRegisters: 0 - hasOpaqueSPAdjustment: false - hasVAStart: false - hasMustTailInVarArgFunc: false - hasTailCall: false - localFrameSize: 0 - savePoint: '' - restorePoint: '' -fixedStack: [] -stack: [] -entry_values: [] -callSites: [] -debugValueSubstitutions: [] -constants: [] -machineFunctionInfo: {} body: | bb.0.entry: successors: %bb.2(0x50000000), %bb.1(0x30000000) @@ -251,16 +111,12 @@ body: | BCC 44, killed %13, %bb.2 bb.1: - successors: %bb.3(0x80000000) - %12:vsfrc = XXLXORdpz B %bb.3 bb.2.for.body.preheader: - successors: %bb.4(0x80000000) - - %0:vsfrc = DFLOADf64 0, %8 :: (load (s64) from %ir.a, !tbaa !3) - %1:vsfrc = DFLOADf64 8, killed %8 :: (load (s64) from %ir.arrayidx1, !tbaa !3) + %0:vsfrc = DFLOADf64 0, %8 :: (load (s64) from %ir.a) + %1:vsfrc = DFLOADf64 8, killed %8 :: (load (s64) from %ir.arrayidx1) %16:g8rc = IMPLICIT_DEF %15:g8rc = INSERT_SUBREG killed %16, killed %11, %subreg.sub_32 %17:g8rc = RLDICL killed %15, 0, 32 @@ -279,7 +135,7 @@ body: | %4:vsfrc = PHI %14, %bb.2, %7, %bb.4 %5:g8rc_and_g8rc_nox0 = PHI %2, %bb.2, %6, %bb.4 - %18:f8rc, %19:g8rc_and_g8rc_nox0 = LFDU 8, killed %5 :: (load (s64) from %ir.3, !tbaa !3) + %18:f8rc, %19:g8rc_and_g8rc_nox0 = LFDU 8, killed %5 :: (load (s64) from %ir.3) %6:g8rc = COPY killed %19 %20:vsfrc = nofpexcept XSMADDADP %0, %0, %18, implicit $rm %21:vsfrc = nofpexcept XSMADDADP %20, %20, %18, implicit $rm |