# NOTE: This test verifies disable/enable instruction hoisting to hot blocks # based on non-profile data # RUN: llc -run-pass early-machinelicm -mtriple=powerpc64le-unknown-linux-gnu \ # RUN: -verify-machineinstrs -disable-hoisting-to-hotter-blocks=all \ # RUN: -block-freq-ratio-threshold=100 %s -o - | FileCheck %s \ # RUN: --check-prefix=CHECK-NO-HOIST # RUN: llc -run-pass early-machinelicm -mtriple=powerpc64le-unknown-linux-gnu \ # RUN: -verify-machineinstrs -disable-hoisting-to-hotter-blocks=all \ # RUN: -block-freq-ratio-threshold=100000000 %s -o - | FileCheck %s \ # RUN: --check-prefix=CHECK-HOIST # RUN: llc -run-pass early-machinelicm -mtriple=powerpc64le-unknown-linux-gnu \ # RUN: -verify-machineinstrs -disable-hoisting-to-hotter-blocks=pgo \ # RUN: -block-freq-ratio-threshold=100 %s -o - | FileCheck %s \ # RUN: --check-prefix=CHECK-HOIST # RUN: llc -run-pass early-machinelicm -mtriple=powerpc64le-unknown-linux-gnu \ # RUN: -verify-machineinstrs -disable-hoisting-to-hotter-blocks=none \ # RUN: -block-freq-ratio-threshold=100 %s -o - | FileCheck %s \ # RUN: --check-prefix=CHECK-HOIST --- | target datalayout = "e-m:e-i64:64-n32:64" define dso_local void @test(void (i32)* nocapture %fp, i32 signext %Arg, i32 signext %Len, i32* nocapture %Ptr) { entry: tail call void asm sideeffect "#NOTHING", "~{r2}"() %cmp6 = icmp sgt i32 %Len, 0 br i1 %cmp6, label %for.body.lr.ph, label %for.cond.cleanup for.body.lr.ph: ; preds = %entry %cmp1 = icmp sgt i32 %Arg, 10 br label %for.body for.cond.cleanup: ; preds = %for.inc, %entry ret void for.body: ; preds = %for.inc, %for.body.lr.ph %i.07 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.inc ] %0 = load i32, i32* %Ptr, align 4 %1 = add i32 %i.07, %0 store i32 %1, i32* %Ptr, align 4 br i1 %cmp1, label %if.then, label %for.inc if.then: ; preds = %for.body tail call void asm sideeffect "#NOTHING", "~{r2}"() tail call void %fp(i32 signext %Arg) br label %for.inc for.inc: ; preds = %if.then, %for.body %inc = add nuw nsw i32 %i.07, 1 %exitcond = icmp eq i32 %Len, %inc br i1 %exitcond, label %for.cond.cleanup, label %for.body } ; Function Attrs: nounwind declare void @llvm.stackprotector(i8*, i8**) #0 attributes #0 = { nounwind } ... --- name: test alignment: 4 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false failedISel: false tracksRegLiveness: true hasWinCFI: false registers: - { id: 0, class: crbitrc, preferred-register: '' } - { id: 1, class: gprc_and_gprc_nor0, preferred-register: '' } - { id: 2, class: gprc, preferred-register: '' } - { id: 3, class: g8rc, preferred-register: '' } - { id: 4, class: g8rc, preferred-register: '' } - { id: 5, class: g8rc, preferred-register: '' } - { id: 6, class: g8rc_and_g8rc_nox0, preferred-register: '' } - { id: 7, class: gprc, preferred-register: '' } - { id: 8, class: gprc, preferred-register: '' } - { id: 9, class: crrc, preferred-register: '' } - { id: 10, class: gprc, preferred-register: '' } - { id: 11, class: crrc, preferred-register: '' } - { id: 12, class: gprc, preferred-register: '' } - { id: 13, class: gprc, preferred-register: '' } - { id: 14, class: g8rc, preferred-register: '' } - { id: 15, class: g8rc, preferred-register: '' } - { id: 16, class: crrc, preferred-register: '' } liveins: - { reg: '$x3', virtual-reg: '%3' } - { reg: '$x4', virtual-reg: '%4' } - { reg: '$x5', virtual-reg: '%5' } - { reg: '$x6', virtual-reg: '%6' } frameInfo: isFrameAddressTaken: false isReturnAddressTaken: false hasStackMap: false hasPatchPoint: false stackSize: 0 offsetAdjustment: 0 maxAlignment: 0 adjustsStack: false hasCalls: true stackProtector: '' maxCallFrameSize: 4294967295 cvBytesOfCalleeSavedRegisters: 0 hasOpaqueSPAdjustment: false hasVAStart: false hasMustTailInVarArgFunc: false localFrameSize: 0 savePoint: '' restorePoint: '' fixedStack: [] stack: [] constants: [] machineFunctionInfo: {} body: | bb.0.entry: successors: %bb.1(0x7ecade30), %bb.2(0x013521d0) liveins: $x3, $x4, $x5, $x6 %6:g8rc_and_g8rc_nox0 = COPY $x6 %5:g8rc = COPY $x5 %4:g8rc = COPY $x4 %3:g8rc = COPY $x3 %7:gprc = COPY %4.sub_32 %8:gprc = COPY %5.sub_32 INLINEASM &"#NOTHING", 1, 12, implicit-def early-clobber $r2 %9:crrc = CMPWI %8, 1 BCC 12, killed %9, %bb.2 B %bb.1 bb.1.for.body.lr.ph: successors: %bb.3(0x80000000) INLINEASM &"#NOTHING", 1, 12, implicit-def early-clobber $r2 %11:crrc = CMPWI %7, 10 %0:crbitrc = COPY %11.sub_gt %10:gprc = LI 0 B %bb.3 bb.2.for.cond.cleanup: BLR8 implicit $lr8, implicit $rm bb.3.for.body: successors: %bb.4(0x00000002), %bb.5(0x7ffffffe) %1:gprc_and_gprc_nor0 = PHI %10, %bb.1, %2, %bb.5 %12:gprc = LWZ 0, %6 :: (load 4 from %ir.Ptr) %13:gprc = ADD4 %1, killed %12 STW killed %13, 0, %6 :: (store 4 into %ir.Ptr) BCn %0, %bb.5 B %bb.4 bb.4.if.then: successors: %bb.5(0x80000000) INLINEASM &"#NOTHING", 1, 12, implicit-def early-clobber $r2 ADJCALLSTACKDOWN 32, 0, implicit-def dead $r1, implicit $r1 %14:g8rc = COPY $x2 STD %14, 24, $x1 :: (store 8 into stack + 24) %15:g8rc = EXTSW_32_64 %7 $x3 = COPY %15 $x12 = COPY %3 MTCTR8 %3, implicit-def $ctr8 BCTRL8_LDinto_toc 24, $x1, csr_ppc64_altivec, implicit-def dead $lr8, implicit-def dead $x2, implicit $ctr8, implicit $rm, implicit $x3, implicit $x12, implicit $x2, implicit-def $r1 ADJCALLSTACKUP 32, 0, implicit-def dead $r1, implicit $r1 bb.5.for.inc: successors: %bb.2(0x013521d0), %bb.3(0x7ecade30) %2:gprc = nuw nsw ADDI %1, 1 %16:crrc = CMPLW %8, %2 BCC 76, killed %16, %bb.2 B %bb.3 ... # CHECK for enabling instruction hoisting #CHECK-LABEL: test #CHECK-HOIST: bb.1.for.body.lr.ph: #CHECK-HOIST: %14:g8rc = COPY $x2 #CHECK-HOIST: STD %14, 24, $x1 :: (store 8 into stack + 24) #CHECK-HOIST: %15:g8rc = EXTSW_32_64 %7 #CHECK-HOIST: B %bb.3 #CHECK-HOIST: bb.4.if.then: #CHECK-HOIST-NOT: %14:g8rc = COPY $x2 #CHECK-HOIST-NOT: STD %14, 24, $x1 :: (store 8 into stack + 24) #CHECK-HOIST-NOT: %15:g8rc = EXTSW_32_64 %7 #CHECK-HOIST: bb.5.for.inc: # CHECK for disabling instruction hoisting due to block hotness #CHECK-LABEL: test #CHECK-NO-HOIST: bb.1.for.body.lr.ph: #CHECK-NO-HOIST-NOT: %14:g8rc = COPY $x2 #CHECK-NO-HOIST-NOT: STD %14, 24, $x1 :: (store 8 into stack + 24) #CHECK-NO-HOIST-NOT: %15:g8rc = EXTSW_32_64 %7 #CHECK-NO-HOIST: B %bb.3 #CHECK-NO-HOIST: bb.4.if.then: #CHECK-NO-HOIST: %14:g8rc = COPY $x2 #CHECK-NO-HOIST: STD %14, 24, $x1 :: (store 8 into stack + 24) #CHECK-NO-HOIST: %15:g8rc = EXTSW_32_64 %7 #CHECK-NO-HOIST: bb.5.for.inc: