# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py # RUN: llc -mtriple=thumbv7-none-eabi -mcpu=cortex-m7 -O3 -run-pass=tbaa,pipeliner %s -o - | FileCheck %s --- | ; ModuleID = 'test.ll' source_filename = "test.ll" target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64" target triple = "thumbv7m-none-unknown-eabi" %struct.bar = type { i16, i16, i16, i16, i16, i16, i16, i16 } @bar = external local_unnamed_addr global [0 x %struct.bar], align 2 define i32 @foo() local_unnamed_addr #0 { entry: br label %do.body do.body: ; preds = %do.body, %entry %lsr.iv = phi ptr [ %uglygep, %do.body ], [ getelementptr (i8, ptr @bar, i32 -16), %entry ] %count.0 = phi i32 [ 0, %entry ], [ %count.4, %do.body ] %uglygep1 = getelementptr i8, ptr %lsr.iv, i32 16 %0 = load i16, ptr %uglygep1, align 2, !tbaa !0 %conv = sext i16 %0 to i32 %uglygep2 = getelementptr i8, ptr %uglygep1, i32 2 %1 = load i16, ptr %uglygep2, align 2, !tbaa !5 %conv2 = sext i16 %1 to i32 %conv.frozen = freeze i32 %conv %conv2.frozen = freeze i32 %conv2 %div = sdiv i32 %conv.frozen, %conv2.frozen %conv3 = trunc i32 %div to i16 %2 = zext i16 %conv3 to i32 %uglygep3 = getelementptr i8, ptr %uglygep1, i32 12 %3 = trunc i32 %2 to i16 store i16 %3, ptr %uglygep3, align 2, !tbaa !6 %4 = mul i32 %div, %conv2.frozen %rem.decomposed = sub i32 %conv.frozen, %4 %conv8 = trunc i32 %rem.decomposed to i16 %5 = zext i16 %conv8 to i32 %uglygep4 = getelementptr i8, ptr %uglygep1, i32 14 %6 = trunc i32 %5 to i16 store i16 %6, ptr %uglygep4, align 2, !tbaa !7 %uglygep5 = getelementptr i8, ptr %uglygep1, i32 4 %7 = load i16, ptr %uglygep5, align 2, !tbaa !8 %8 = zext i16 %7 to i32 %cmp.not = icmp ne i32 %8, %2 %inc = zext i1 %cmp.not to i32 %spec.select = add nsw i32 %count.0, %inc %uglygep6 = getelementptr i8, ptr %uglygep1, i32 6 %9 = load i16, ptr %uglygep6, align 2, !tbaa !9 %10 = zext i16 %9 to i32 %cmp16.not = icmp ne i32 %10, %5 %inc19 = zext i1 %cmp16.not to i32 %count.2 = add nsw i32 %spec.select, %inc19 %uglygep7 = getelementptr i8, ptr %uglygep1, i32 8 %11 = load i16, ptr %uglygep7, align 2, !tbaa !10 %12 = zext i16 %11 to i32 %cmp24.not = icmp ne i32 %12, %2 %inc27 = zext i1 %cmp24.not to i32 %count.3 = add nsw i32 %count.2, %inc27 %uglygep8 = getelementptr i8, ptr %uglygep1, i32 10 %13 = load i16, ptr %uglygep8, align 2, !tbaa !11 %14 = zext i16 %13 to i32 %cmp32.not = icmp ne i32 %14, %5 %inc35 = zext i1 %cmp32.not to i32 %count.4 = add nsw i32 %count.3, %inc35 %uglygep9 = getelementptr i8, ptr %uglygep1, i32 18 %15 = load i16, ptr %uglygep9, align 2, !tbaa !5 %tobool.not = icmp eq i16 %15, 0 %uglygep = getelementptr i8, ptr %lsr.iv, i32 16 br i1 %tobool.not, label %do.end, label %do.body do.end: ; preds = %do.body ret i32 %count.4 } attributes #0 = { "target-cpu"="cortex-m7" } !0 = !{!1, !2, i64 0} !1 = !{!"bar", !2, i64 0, !2, i64 2, !2, i64 4, !2, i64 6, !2, i64 8, !2, i64 10, !2, i64 12, !2, i64 14} !2 = !{!"short", !3, i64 0} !3 = !{!"omnipotent char", !4, i64 0} !4 = !{!"Simple C/C++ TBAA"} !5 = !{!1, !2, i64 2} !6 = !{!1, !2, i64 12} !7 = !{!1, !2, i64 14} !8 = !{!1, !2, i64 4} !9 = !{!1, !2, i64 6} !10 = !{!1, !2, i64 8} !11 = !{!1, !2, i64 10} ... --- name: foo alignment: 2 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false failedISel: false tracksRegLiveness: true hasWinCFI: false callsEHReturn: false callsUnwindInit: false hasEHCatchret: false hasEHScopes: false hasEHFunclets: false failsVerification: false tracksDebugUserValues: false registers: - { id: 0, class: gpr, preferred-register: '' } - { id: 1, class: rgpr, preferred-register: '' } - { id: 2, class: gpr, preferred-register: '' } - { id: 3, class: gpr, preferred-register: '' } - { id: 4, class: gpr, preferred-register: '' } - { id: 5, class: gpr, preferred-register: '' } - { id: 6, class: rgpr, preferred-register: '' } - { id: 7, class: rgpr, preferred-register: '' } - { id: 8, class: rgpr, preferred-register: '' } - { id: 9, class: rgpr, preferred-register: '' } - { id: 10, class: rgpr, preferred-register: '' } - { id: 11, class: rgpr, preferred-register: '' } - { id: 12, class: rgpr, preferred-register: '' } - { id: 13, class: rgpr, preferred-register: '' } - { id: 14, class: rgpr, preferred-register: '' } - { id: 15, class: rgpr, preferred-register: '' } - { id: 16, class: rgpr, preferred-register: '' } - { id: 17, class: gprnopc, preferred-register: '' } - { id: 18, class: rgpr, preferred-register: '' } - { id: 19, class: rgpr, preferred-register: '' } - { id: 20, class: gprnopc, preferred-register: '' } - { id: 21, class: rgpr, preferred-register: '' } - { id: 22, class: rgpr, preferred-register: '' } - { id: 23, class: gprnopc, preferred-register: '' } - { id: 24, class: rgpr, preferred-register: '' } - { id: 25, class: rgpr, preferred-register: '' } - { id: 26, class: gprnopc, preferred-register: '' } - { id: 27, class: rgpr, preferred-register: '' } - { id: 28, class: rgpr, preferred-register: '' } - { id: 29, class: gprnopc, preferred-register: '' } liveins: [] frameInfo: isFrameAddressTaken: false isReturnAddressTaken: false hasStackMap: false hasPatchPoint: false stackSize: 0 offsetAdjustment: 0 maxAlignment: 1 adjustsStack: false hasCalls: false stackProtector: '' functionContext: '' maxCallFrameSize: 0 cvBytesOfCalleeSavedRegisters: 0 hasOpaqueSPAdjustment: false hasVAStart: false hasMustTailInVarArgFunc: false hasTailCall: false localFrameSize: 0 savePoint: '' restorePoint: '' fixedStack: [] stack: [] callSites: [] debugValueSubstitutions: [] constants: [] machineFunctionInfo: {} body: | ; CHECK-LABEL: name: foo ; CHECK: bb.0.entry: ; CHECK-NEXT: successors: %bb.3(0x80000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[t2MOVi32imm:%[0-9]+]]:rgpr = t2MOVi32imm @bar ; CHECK-NEXT: [[t2SUBri:%[0-9]+]]:rgpr = t2SUBri [[t2MOVi32imm]], 16, 14 /* CC::al */, $noreg, $noreg ; CHECK-NEXT: [[t2MOVi:%[0-9]+]]:rgpr = t2MOVi 0, 14 /* CC::al */, $noreg, $noreg ; CHECK-NEXT: [[COPY:%[0-9]+]]:rgpr = COPY [[t2MOVi]] ; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr = COPY [[t2SUBri]] ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.3.do.body: ; CHECK-NEXT: successors: %bb.4(0x80000000), %bb.5(0x00000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[t2LDRSH_PRE:%[0-9]+]]:rgpr, [[t2LDRSH_PRE1:%[0-9]+]]:gpr = t2LDRSH_PRE [[COPY1]], 16, 14 /* CC::al */, $noreg :: (load (s16) from %ir.uglygep1, !tbaa !0) ; CHECK-NEXT: [[t2LDRSHi12_:%[0-9]+]]:rgpr = t2LDRSHi12 [[t2LDRSH_PRE1]], 2, 14 /* CC::al */, $noreg :: (load (s16) from %ir.uglygep2, !tbaa !5) ; CHECK-NEXT: [[t2SDIV:%[0-9]+]]:rgpr = t2SDIV [[t2LDRSH_PRE]], [[t2LDRSHi12_]], 14 /* CC::al */, $noreg ; CHECK-NEXT: [[t2UXTH:%[0-9]+]]:rgpr = t2UXTH [[t2SDIV]], 0, 14 /* CC::al */, $noreg ; CHECK-NEXT: [[t2MLS:%[0-9]+]]:rgpr = t2MLS [[t2SDIV]], [[t2LDRSHi12_]], [[t2LDRSH_PRE]], 14 /* CC::al */, $noreg ; CHECK-NEXT: [[t2UXTH1:%[0-9]+]]:rgpr = t2UXTH [[t2MLS]], 0, 14 /* CC::al */, $noreg ; CHECK-NEXT: t2STRHi12 [[t2MLS]], [[t2LDRSH_PRE1]], 14, 14 /* CC::al */, $noreg :: (store (s16) into %ir.uglygep4, !tbaa !7) ; CHECK-NEXT: [[t2LDRHi12_:%[0-9]+]]:gprnopc = t2LDRHi12 [[t2LDRSH_PRE1]], 4, 14 /* CC::al */, $noreg :: (load (s16) from %ir.uglygep5, !tbaa !8) ; CHECK-NEXT: t2CMPrr [[t2LDRHi12_]], [[t2UXTH]], 14 /* CC::al */, $noreg, implicit-def $cpsr ; CHECK-NEXT: [[t2ADDri:%[0-9]+]]:rgpr = t2ADDri [[COPY]], 1, 1 /* CC::ne */, $cpsr, $noreg, implicit [[COPY]](tied-def 0) ; CHECK-NEXT: [[t2LDRHi12_1:%[0-9]+]]:gprnopc = t2LDRHi12 [[t2LDRSH_PRE1]], 6, 14 /* CC::al */, $noreg :: (load (s16) from %ir.uglygep6, !tbaa !9) ; CHECK-NEXT: t2CMPrr [[t2LDRHi12_1]], [[t2UXTH1]], 14 /* CC::al */, $noreg, implicit-def $cpsr ; CHECK-NEXT: [[t2ADDri1:%[0-9]+]]:rgpr = t2ADDri [[t2ADDri]], 1, 1 /* CC::ne */, $cpsr, $noreg, implicit [[t2ADDri]](tied-def 0) ; CHECK-NEXT: [[t2LDRHi12_2:%[0-9]+]]:gprnopc = t2LDRHi12 [[t2LDRSH_PRE1]], 8, 14 /* CC::al */, $noreg :: (load (s16) from %ir.uglygep7, !tbaa !10) ; CHECK-NEXT: t2CMPrr [[t2LDRHi12_2]], [[t2UXTH]], 14 /* CC::al */, $noreg, implicit-def $cpsr ; CHECK-NEXT: [[t2ADDri2:%[0-9]+]]:rgpr = t2ADDri [[t2ADDri1]], 1, 1 /* CC::ne */, $cpsr, $noreg, implicit [[t2ADDri1]](tied-def 0) ; CHECK-NEXT: [[t2LDRHi12_3:%[0-9]+]]:gprnopc = t2LDRHi12 [[t2LDRSH_PRE1]], 10, 14 /* CC::al */, $noreg :: (load (s16) from %ir.uglygep8, !tbaa !11) ; CHECK-NEXT: t2CMPrr [[t2LDRHi12_3]], [[t2UXTH1]], 14 /* CC::al */, $noreg, implicit-def $cpsr ; CHECK-NEXT: [[t2ADDri3:%[0-9]+]]:rgpr = t2ADDri [[t2ADDri2]], 1, 1 /* CC::ne */, $cpsr, $noreg, implicit [[t2ADDri2]](tied-def 0) ; CHECK-NEXT: [[COPY2:%[0-9]+]]:gpr = COPY [[t2ADDri3]] ; CHECK-NEXT: [[t2LDRHi12_4:%[0-9]+]]:gprnopc = t2LDRHi12 [[t2LDRSH_PRE1]], 18, 14 /* CC::al */, $noreg :: (load (s16) from %ir.uglygep9, !tbaa !5) ; CHECK-NEXT: t2CMPri [[t2LDRHi12_4]], 0, 14 /* CC::al */, $noreg, implicit-def $cpsr ; CHECK-NEXT: t2Bcc %bb.5, 0 /* CC::eq */, $cpsr ; CHECK-NEXT: t2B %bb.4, 14 /* CC::al */, $noreg ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.4.do.body: ; CHECK-NEXT: successors: %bb.5(0x04000000), %bb.4(0x7c000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[PHI:%[0-9]+]]:gpr = PHI [[t2LDRSH_PRE1]], %bb.3, %48, %bb.4 ; CHECK-NEXT: [[PHI1:%[0-9]+]]:rgpr = PHI [[COPY2]], %bb.3, %63, %bb.4 ; CHECK-NEXT: [[PHI2:%[0-9]+]]:gpr = PHI [[t2LDRSH_PRE1]], %bb.3, %48, %bb.4 ; CHECK-NEXT: [[PHI3:%[0-9]+]]:rgpr = PHI [[t2SDIV]], %bb.3, %53, %bb.4 ; CHECK-NEXT: t2STRHi12 [[PHI3]], [[PHI2]], 12, 14 /* CC::al */, $noreg :: (store (s16) into %ir.uglygep3, !tbaa !6) ; CHECK-NEXT: [[t2LDRSH_PRE2:%[0-9]+]]:rgpr, [[t2LDRSH_PRE3:%[0-9]+]]:gpr = t2LDRSH_PRE [[PHI]], 16, 14 /* CC::al */, $noreg :: (load unknown-size from %ir.uglygep1, align 2, !tbaa !0) ; CHECK-NEXT: [[t2LDRSHi12_1:%[0-9]+]]:rgpr = t2LDRSHi12 [[t2LDRSH_PRE3]], 2, 14 /* CC::al */, $noreg :: (load unknown-size from %ir.uglygep2, align 2, !tbaa !5) ; CHECK-NEXT: [[t2LDRHi12_5:%[0-9]+]]:gprnopc = t2LDRHi12 [[t2LDRSH_PRE3]], 18, 14 /* CC::al */, $noreg :: (load unknown-size from %ir.uglygep9, align 2, !tbaa !5) ; CHECK-NEXT: [[t2LDRHi12_6:%[0-9]+]]:gprnopc = t2LDRHi12 [[t2LDRSH_PRE3]], 8, 14 /* CC::al */, $noreg :: (load unknown-size from %ir.uglygep7, align 2, !tbaa !10) ; CHECK-NEXT: [[t2LDRHi12_7:%[0-9]+]]:gprnopc = t2LDRHi12 [[t2LDRSH_PRE3]], 10, 14 /* CC::al */, $noreg :: (load unknown-size from %ir.uglygep8, align 2, !tbaa !11) ; CHECK-NEXT: [[t2SDIV1:%[0-9]+]]:rgpr = t2SDIV [[t2LDRSH_PRE2]], [[t2LDRSHi12_1]], 14 /* CC::al */, $noreg ; CHECK-NEXT: [[t2LDRHi12_8:%[0-9]+]]:gprnopc = t2LDRHi12 [[t2LDRSH_PRE3]], 4, 14 /* CC::al */, $noreg :: (load unknown-size from %ir.uglygep5, align 2, !tbaa !8) ; CHECK-NEXT: [[t2MLS1:%[0-9]+]]:rgpr = t2MLS [[t2SDIV1]], [[t2LDRSHi12_1]], [[t2LDRSH_PRE2]], 14 /* CC::al */, $noreg ; CHECK-NEXT: [[t2UXTH2:%[0-9]+]]:rgpr = t2UXTH [[t2SDIV1]], 0, 14 /* CC::al */, $noreg ; CHECK-NEXT: [[t2LDRHi12_9:%[0-9]+]]:gprnopc = t2LDRHi12 [[t2LDRSH_PRE3]], 6, 14 /* CC::al */, $noreg :: (load unknown-size from %ir.uglygep6, align 2, !tbaa !9) ; CHECK-NEXT: t2CMPrr [[t2LDRHi12_8]], [[t2UXTH2]], 14 /* CC::al */, $noreg, implicit-def $cpsr ; CHECK-NEXT: [[t2UXTH3:%[0-9]+]]:rgpr = t2UXTH [[t2MLS1]], 0, 14 /* CC::al */, $noreg ; CHECK-NEXT: [[t2ADDri4:%[0-9]+]]:rgpr = t2ADDri [[PHI1]], 1, 1 /* CC::ne */, $cpsr, $noreg, implicit [[PHI1]](tied-def 0) ; CHECK-NEXT: t2CMPrr [[t2LDRHi12_9]], [[t2UXTH3]], 14 /* CC::al */, $noreg, implicit-def $cpsr ; CHECK-NEXT: [[t2ADDri5:%[0-9]+]]:rgpr = t2ADDri [[t2ADDri4]], 1, 1 /* CC::ne */, $cpsr, $noreg, implicit [[t2ADDri4]](tied-def 0) ; CHECK-NEXT: t2CMPrr [[t2LDRHi12_6]], [[t2UXTH2]], 14 /* CC::al */, $noreg, implicit-def $cpsr ; CHECK-NEXT: [[t2ADDri6:%[0-9]+]]:rgpr = t2ADDri [[t2ADDri5]], 1, 1 /* CC::ne */, $cpsr, $noreg, implicit [[t2ADDri5]](tied-def 0) ; CHECK-NEXT: t2CMPrr [[t2LDRHi12_7]], [[t2UXTH3]], 14 /* CC::al */, $noreg, implicit-def $cpsr ; CHECK-NEXT: [[t2ADDri7:%[0-9]+]]:rgpr = t2ADDri [[t2ADDri6]], 1, 1 /* CC::ne */, $cpsr, $noreg, implicit [[t2ADDri6]](tied-def 0) ; CHECK-NEXT: t2CMPri [[t2LDRHi12_5]], 0, 14 /* CC::al */, $noreg, implicit-def $cpsr ; CHECK-NEXT: [[COPY3:%[0-9]+]]:gpr = COPY [[t2ADDri7]] ; CHECK-NEXT: t2STRHi12 [[t2MLS1]], [[t2LDRSH_PRE3]], 14, 14 /* CC::al */, $noreg :: (store unknown-size into %ir.uglygep4, align 2, !tbaa !7) ; CHECK-NEXT: t2Bcc %bb.4, 1 /* CC::ne */, $cpsr ; CHECK-NEXT: t2B %bb.5, 14 /* CC::al */, $noreg ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.5: ; CHECK-NEXT: successors: %bb.2(0x80000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[PHI4:%[0-9]+]]:gpr = PHI [[t2LDRSH_PRE1]], %bb.3, [[t2LDRSH_PRE3]], %bb.4 ; CHECK-NEXT: [[PHI5:%[0-9]+]]:rgpr = PHI [[t2SDIV]], %bb.3, [[t2SDIV1]], %bb.4 ; CHECK-NEXT: [[PHI6:%[0-9]+]]:gpr = PHI [[COPY2]], %bb.3, [[COPY3]], %bb.4 ; CHECK-NEXT: t2STRHi12 [[PHI5]], [[PHI4]], 12, 14 /* CC::al */, $noreg :: (store unknown-size into %ir.uglygep3, align 2, !tbaa !6) ; CHECK-NEXT: t2B %bb.2, 14 /* CC::al */, $noreg ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.2.do.end: ; CHECK-NEXT: $r0 = COPY [[PHI6]] ; CHECK-NEXT: tBX_RET 14 /* CC::al */, $noreg, implicit $r0 bb.0.entry: successors: %bb.1(0x80000000) %6:rgpr = t2MOVi32imm @bar %7:rgpr = t2SUBri killed %6, 16, 14 /* CC::al */, $noreg, $noreg %8:rgpr = t2MOVi 0, 14 /* CC::al */, $noreg, $noreg %5:gpr = COPY %8 %4:gpr = COPY %7 bb.1.do.body: successors: %bb.2(0x04000000), %bb.1(0x7c000000) %0:gpr = PHI %4, %bb.0, %3, %bb.1 %1:rgpr = PHI %5, %bb.0, %2, %bb.1 %9:rgpr, %3:gpr = t2LDRSH_PRE %0, 16, 14 /* CC::al */, $noreg :: (load (s16) from %ir.uglygep1, !tbaa !0) %10:rgpr = t2LDRSHi12 %3, 2, 14 /* CC::al */, $noreg :: (load (s16) from %ir.uglygep2, !tbaa !5) %13:rgpr = t2SDIV %9, %10, 14 /* CC::al */, $noreg %14:rgpr = t2UXTH %13, 0, 14 /* CC::al */, $noreg t2STRHi12 %13, %3, 12, 14 /* CC::al */, $noreg :: (store (s16) into %ir.uglygep3, !tbaa !6) %15:rgpr = t2MLS %13, %10, %9, 14 /* CC::al */, $noreg %16:rgpr = t2UXTH %15, 0, 14 /* CC::al */, $noreg t2STRHi12 %15, %3, 14, 14 /* CC::al */, $noreg :: (store (s16) into %ir.uglygep4, !tbaa !7) %17:gprnopc = t2LDRHi12 %3, 4, 14 /* CC::al */, $noreg :: (load (s16) from %ir.uglygep5, !tbaa !8) t2CMPrr killed %17, %14, 14 /* CC::al */, $noreg, implicit-def $cpsr %19:rgpr = t2ADDri %1, 1, 1 /* CC::ne */, $cpsr, $noreg, implicit %1(tied-def 0) %20:gprnopc = t2LDRHi12 %3, 6, 14 /* CC::al */, $noreg :: (load (s16) from %ir.uglygep6, !tbaa !9) t2CMPrr killed %20, %16, 14 /* CC::al */, $noreg, implicit-def $cpsr %22:rgpr = t2ADDri %19, 1, 1 /* CC::ne */, $cpsr, $noreg, implicit %19(tied-def 0) %23:gprnopc = t2LDRHi12 %3, 8, 14 /* CC::al */, $noreg :: (load (s16) from %ir.uglygep7, !tbaa !10) t2CMPrr killed %23, %14, 14 /* CC::al */, $noreg, implicit-def $cpsr %25:rgpr = t2ADDri %22, 1, 1 /* CC::ne */, $cpsr, $noreg, implicit %22(tied-def 0) %26:gprnopc = t2LDRHi12 %3, 10, 14 /* CC::al */, $noreg :: (load (s16) from %ir.uglygep8, !tbaa !11) t2CMPrr killed %26, %16, 14 /* CC::al */, $noreg, implicit-def $cpsr %28:rgpr = t2ADDri %25, 1, 1 /* CC::ne */, $cpsr, $noreg, implicit %25(tied-def 0) %2:gpr = COPY %28 %29:gprnopc = t2LDRHi12 %3, 18, 14 /* CC::al */, $noreg :: (load (s16) from %ir.uglygep9, !tbaa !5) t2CMPri killed %29, 0, 14 /* CC::al */, $noreg, implicit-def $cpsr t2Bcc %bb.1, 1 /* CC::ne */, $cpsr t2B %bb.2, 14 /* CC::al */, $noreg bb.2.do.end: $r0 = COPY %2 tBX_RET 14 /* CC::al */, $noreg, implicit $r0 ...