From: Nick Desaulniers Date: Thu, 5 May 2022 17:59:49 +0000 (-0700) Subject: [x86][scheduler] Add MIR test for 41914 X-Git-Tag: upstream/15.0.7~8532 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=617edfa4811184c3ec027fbc7244a062ef93a62c;p=platform%2Fupstream%2Fllvm.git [x86][scheduler] Add MIR test for 41914 Generated via: $ clang -fno-omit-frame-pointer -m32 -mregparm=3 -O2 crash.c -emit-llvm -S $ llc -print-before=machine-scheduler -mcpu=sandybridge crash.mir Reviewed By: pengfei Differential Revision: https://reviews.llvm.org/D122348 --- diff --git a/llvm/test/CodeGen/X86/scheduler-asm-moves.mir b/llvm/test/CodeGen/X86/scheduler-asm-moves.mir new file mode 100644 index 0000000..7174fe8 --- /dev/null +++ b/llvm/test/CodeGen/X86/scheduler-asm-moves.mir @@ -0,0 +1,156 @@ +# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py +# RUN: llc -run-pass=machine-scheduler -mcpu=sandybridge %s -o - | FileCheck %s + +--- | + ; ModuleID = 'crash.ll' + source_filename = "crash.c" + target datalayout = "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-f64:32:64-f80:32-n8:16:32-S128" + target triple = "i386-unknown-linux-gnu" + + %struct.in6_addr = type { %struct.anon } + %struct.anon = type { i8 } + %struct.sk_buff = type { i8 } + %struct.ipv6hdr = type { %struct.in6_addr } + + @csum_ipv6_magic_sum = dso_local local_unnamed_addr global i32 0, align 4 + @csum_ipv6_magic_saddr = dso_local local_unnamed_addr global %struct.in6_addr zeroinitializer, align 1 + @csum_ipv6_magic_daddr = dso_local local_unnamed_addr global i32 0, align 4 + @csum_ipv6_magic_proto = dso_local local_unnamed_addr global i32 0, align 4 + @synproxy_send_tcp_ipv6_nskb = dso_local local_unnamed_addr global %struct.sk_buff* null, align 4 + @synproxy_send_tcp_ipv6_fl6 = dso_local local_unnamed_addr global %struct.in6_addr zeroinitializer, align 1 + + ; Function Attrs: nounwind uwtable + define dso_local void @synproxy_send_tcp_ipv6(i32 inreg %skb.coerce, %struct.ipv6hdr* inreg nocapture noundef readonly %niph) local_unnamed_addr #0 { + entry: + %0 = load i8, i8* getelementptr inbounds (%struct.in6_addr, %struct.in6_addr* @csum_ipv6_magic_saddr, i32 0, i32 0, i32 0), align 1 + %1 = load i32, i32* @csum_ipv6_magic_daddr, align 4, !tbaa !5 + %2 = load i32, i32* @csum_ipv6_magic_proto, align 4, !tbaa !5 + %3 = tail call i32 asm "", "=&r,r,r,r,r,~{dirflag},~{fpsr},~{flags}"(i8 %0, i32 %1, i32 0, i32 %2) #2, !srcloc !9 + store i32 %3, i32* @csum_ipv6_magic_sum, align 4, !tbaa !5 + %4 = load i8*, i8** bitcast (%struct.sk_buff** @synproxy_send_tcp_ipv6_nskb to i8**), align 4, !tbaa !10 + %bf.load = load i8, i8* %4, align 1 + %bf.set = or i8 %bf.load, 3 + store i8 %bf.set, i8* %4, align 1 + %5 = bitcast %struct.ipv6hdr* %niph to i8* + %6 = load i8, i8* %5, align 1, !tbaa !12 + store i8 %6, i8* getelementptr inbounds (%struct.in6_addr, %struct.in6_addr* @synproxy_send_tcp_ipv6_fl6, i32 0, i32 0, i32 0), align 1, !tbaa !12 + %skb.coerce1.sroa.0.0.insert.ext = and i32 %skb.coerce, 255 + tail call void @fl6nthsecurity_skb_classify_flow(i32 inreg %skb.coerce1.sroa.0.0.insert.ext) #3 + ret void + } + + declare dso_local void @fl6nthsecurity_skb_classify_flow(i32 inreg) local_unnamed_addr #1 + + attributes #0 = { nounwind uwtable "frame-pointer"="all" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="pentium4" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" } + attributes #1 = { "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="pentium4" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" } + attributes #2 = { nounwind readnone } + attributes #3 = { nounwind } + + !llvm.module.flags = !{!0, !1, !2, !3} + + !0 = !{i32 1, !"NumRegisterParameters", i32 3} + !1 = !{i32 1, !"wchar_size", i32 4} + !2 = !{i32 7, !"uwtable", i32 2} + !3 = !{i32 7, !"frame-pointer", i32 2} + !5 = !{!6, !6, i64 0} + !6 = !{!"int", !7, i64 0} + !7 = !{!"omnipotent char", !8, i64 0} + !8 = !{!"Simple C/C++ TBAA"} + !9 = !{i64 429} + !10 = !{!11, !11, i64 0} + !11 = !{!"any pointer", !7, i64 0} + !12 = !{!7, !7, i64 0} + +... +--- +name: synproxy_send_tcp_ipv6 +alignment: 16 +exposesReturnsTwice: false +legalized: false +regBankSelected: false +selected: false +failedISel: false +tracksRegLiveness: true +hasWinCFI: false +failsVerification: false +tracksDebugUserValues: false +registers: + - { id: 0, class: gr32_abcd, preferred-register: '' } + - { id: 1, class: gr32, preferred-register: '' } + - { id: 2, class: gr32, preferred-register: '' } + - { id: 3, class: gr8, preferred-register: '' } + - { id: 4, class: gr32, preferred-register: '' } + - { id: 5, class: gr32, preferred-register: '' } + - { id: 6, class: gr32, preferred-register: '' } + - { id: 7, class: gr32, preferred-register: '' } + - { id: 8, class: gr8, preferred-register: '' } + - { id: 9, class: gr8, preferred-register: '' } + - { id: 10, class: gr32, preferred-register: '' } +liveins: + - { reg: '$eax', virtual-reg: '%0' } + - { reg: '$edx', virtual-reg: '%1' } +frameInfo: + isFrameAddressTaken: false + isReturnAddressTaken: false + hasStackMap: false + hasPatchPoint: false + stackSize: 0 + offsetAdjustment: 0 + maxAlignment: 1 + adjustsStack: false + hasCalls: false + stackProtector: '' + maxCallFrameSize: 4294967295 + cvBytesOfCalleeSavedRegisters: 0 + hasOpaqueSPAdjustment: false + hasVAStart: false + hasMustTailInVarArgFunc: false + hasTailCall: true + localFrameSize: 0 + savePoint: '' + restorePoint: '' +fixedStack: [] +stack: [] +callSites: [] +debugValueSubstitutions: [] +constants: [] +machineFunctionInfo: {} +body: | + bb.0.entry: + liveins: $eax, $edx + + ; CHECK-LABEL: name: synproxy_send_tcp_ipv6 + ; CHECK: liveins: $eax, $edx + ; CHECK-NEXT: {{ $}} + ; CHECK-NEXT: [[MOV8rm:%[0-9]+]]:gr8 = MOV8rm $noreg, 1, $noreg, @csum_ipv6_magic_saddr, $noreg :: (dereferenceable load (s8) from `i8* getelementptr inbounds (%struct.in6_addr, %struct.in6_addr* @csum_ipv6_magic_saddr, i32 0, i32 0, i32 0)`) + ; CHECK-NEXT: [[MOV32rm:%[0-9]+]]:gr32 = MOV32rm $noreg, 1, $noreg, @csum_ipv6_magic_daddr, $noreg :: (dereferenceable load (s32) from @csum_ipv6_magic_daddr, !tbaa !4) + ; CHECK-NEXT: [[MOV32rm1:%[0-9]+]]:gr32 = MOV32rm $noreg, 1, $noreg, @csum_ipv6_magic_proto, $noreg :: (dereferenceable load (s32) from @csum_ipv6_magic_proto, !tbaa !4) + ; CHECK-NEXT: [[MOV32r0_:%[0-9]+]]:gr32 = MOV32r0 implicit-def dead $eflags + ; CHECK-NEXT: INLINEASM &"", 0 /* attdialect */, 2293771 /* regdef-ec:GR32 */, def early-clobber %2, 65545 /* reguse:GR8 */, [[MOV8rm]], 2293769 /* reguse:GR32 */, [[MOV32rm]], 2293769 /* reguse:GR32 */, [[MOV32r0_]], 2293769 /* reguse:GR32 */, [[MOV32rm1]], 12 /* clobber */, implicit-def dead early-clobber $df, 12 /* clobber */, implicit-def early-clobber $fpsw, 12 /* clobber */, implicit-def dead early-clobber $eflags, !8 + ; CHECK-NEXT: MOV32mr $noreg, 1, $noreg, @csum_ipv6_magic_sum, $noreg, %2 :: (store (s32) into @csum_ipv6_magic_sum, !tbaa !4) + ; CHECK-NEXT: [[MOV32rm2:%[0-9]+]]:gr32 = MOV32rm $noreg, 1, $noreg, @synproxy_send_tcp_ipv6_nskb, $noreg :: (dereferenceable load (s32) from `i8** bitcast (%struct.sk_buff** @synproxy_send_tcp_ipv6_nskb to i8**)`, !tbaa !9) + ; CHECK-NEXT: OR8mi [[MOV32rm2]], 1, $noreg, 0, $noreg, 3, implicit-def dead $eflags :: (store (s8) into %ir.4), (load (s8) from %ir.4) + ; CHECK-NEXT: [[COPY:%[0-9]+]]:gr32_abcd = COPY $eax + ; CHECK-NEXT: [[COPY1:%[0-9]+]]:gr32 = COPY $edx + ; CHECK-NEXT: [[MOV8rm1:%[0-9]+]]:gr8 = MOV8rm [[COPY1]], 1, $noreg, 0, $noreg :: (load (s8) from %ir.5, !tbaa !11) + ; CHECK-NEXT: MOV8mr $noreg, 1, $noreg, @synproxy_send_tcp_ipv6_fl6, $noreg, [[MOV8rm1]] :: (store (s8) into `i8* getelementptr inbounds (%struct.in6_addr, %struct.in6_addr* @synproxy_send_tcp_ipv6_fl6, i32 0, i32 0, i32 0)`, !tbaa !11) + ; CHECK-NEXT: [[MOVZX32rr8_:%[0-9]+]]:gr32 = MOVZX32rr8 [[COPY]].sub_8bit + ; CHECK-NEXT: $eax = COPY [[MOVZX32rr8_]] + ; CHECK-NEXT: TCRETURNdi @fl6nthsecurity_skb_classify_flow, 0, csr_32, implicit $esp, implicit $ssp, implicit $eax + %1:gr32 = COPY $edx + %0:gr32_abcd = COPY $eax + %3:gr8 = MOV8rm $noreg, 1, $noreg, @csum_ipv6_magic_saddr, $noreg :: (dereferenceable load (s8) from `i8* getelementptr inbounds (%struct.in6_addr, %struct.in6_addr* @csum_ipv6_magic_saddr, i32 0, i32 0, i32 0)`) + %4:gr32 = MOV32rm $noreg, 1, $noreg, @csum_ipv6_magic_daddr, $noreg :: (dereferenceable load (s32) from @csum_ipv6_magic_daddr, !tbaa !5) + %6:gr32 = MOV32rm $noreg, 1, $noreg, @csum_ipv6_magic_proto, $noreg :: (dereferenceable load (s32) from @csum_ipv6_magic_proto, !tbaa !5) + %5:gr32 = MOV32r0 implicit-def dead $eflags + INLINEASM &"", 0 /* attdialect */, 2293771 /* regdef-ec:GR32 */, def early-clobber %2, 65545 /* reguse:GR8 */, %3, 2293769 /* reguse:GR32 */, %4, 2293769 /* reguse:GR32 */, %5, 2293769 /* reguse:GR32 */, %6, 12 /* clobber */, implicit-def dead early-clobber $df, 12 /* clobber */, implicit-def early-clobber $fpsw, 12 /* clobber */, implicit-def dead early-clobber $eflags, !9 + MOV32mr $noreg, 1, $noreg, @csum_ipv6_magic_sum, $noreg, %2 :: (store (s32) into @csum_ipv6_magic_sum, !tbaa !5) + %7:gr32 = MOV32rm $noreg, 1, $noreg, @synproxy_send_tcp_ipv6_nskb, $noreg :: (dereferenceable load (s32) from `i8** bitcast (%struct.sk_buff** @synproxy_send_tcp_ipv6_nskb to i8**)`, !tbaa !10) + OR8mi %7, 1, $noreg, 0, $noreg, 3, implicit-def dead $eflags :: (store (s8) into %ir.4), (load (s8) from %ir.4) + %8:gr8 = MOV8rm %1, 1, $noreg, 0, $noreg :: (load (s8) from %ir.5, !tbaa !12) + MOV8mr $noreg, 1, $noreg, @synproxy_send_tcp_ipv6_fl6, $noreg, %8 :: (store (s8) into `i8* getelementptr inbounds (%struct.in6_addr, %struct.in6_addr* @synproxy_send_tcp_ipv6_fl6, i32 0, i32 0, i32 0)`, !tbaa !12) + %10:gr32 = MOVZX32rr8 %0.sub_8bit + $eax = COPY %10 + TCRETURNdi @fl6nthsecurity_skb_classify_flow, 0, csr_32, implicit $esp, implicit $ssp, implicit $eax + +...