199 lines
9.9 KiB
Plaintext
199 lines
9.9 KiB
Plaintext
|
# RUN: llc %s -run-pass x86-avoid-SFB -mtriple=x86_64-unknown-linux-gnu -o - | FileCheck %s
|
||
|
|
#
|
||
|
|
# This was generated from:
|
||
|
|
#
|
||
|
|
# using alpha = float __attribute__((ext_vector_type(4)));
|
||
|
|
#
|
||
|
|
# void bravo(alpha * __restrict__ p1, alpha * __restrict__ p2) {
|
||
|
|
# char *p3 = (char *)p1;
|
||
|
|
# *p3 = 0;
|
||
|
|
# alpha t = *p1;
|
||
|
|
# *p2 = t;
|
||
|
|
# }
|
||
|
|
#
|
||
|
|
# Using the command line:
|
||
|
|
# clang -g -c 1.cpp -O2 -S -emit-llvm -fno-strict-aliasing --target=x86_64-unknown-unknown -o test.ll
|
||
|
|
# llc -stop-before=x86-avoid-SFB test.ll -o before.mir
|
||
|
|
#
|
||
|
|
# The IR has been modified to include a number of debug/meta instructions between the initial store and load.
|
||
|
|
# If the code treats debug/meta instructions as normal instructions, the separation between the store and load
|
||
|
|
# will be too great to enable the optimization.
|
||
|
|
|
||
|
|
--- |
|
||
|
|
; ModuleID = 'test.ll'
|
||
|
|
source_filename = "1.cpp"
|
||
|
|
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
||
|
|
target triple = "x86_64-unknown-unknown"
|
||
|
|
|
||
|
|
; Function Attrs: norecurse nounwind uwtable
|
||
|
|
define dso_local void @debug(<4 x float>* noalias nocapture %p1, <4 x float>* noalias nocapture %p2) local_unnamed_addr #0 !dbg !10 {
|
||
|
|
entry:
|
||
|
|
call void @llvm.dbg.value(metadata <4 x float>* %p1, metadata !21, metadata !DIExpression()), !dbg !25
|
||
|
|
call void @llvm.dbg.value(metadata <4 x float>* %p2, metadata !22, metadata !DIExpression()), !dbg !25
|
||
|
|
%0 = bitcast <4 x float>* %p1 to i8*, !dbg !26
|
||
|
|
call void @llvm.dbg.value(metadata i8* %0, metadata !23, metadata !DIExpression()), !dbg !25
|
||
|
|
store i8 0, i8* %0, align 1, !dbg !27
|
||
|
|
call void @llvm.dbg.value(metadata i8* %0, metadata !23, metadata !DIExpression()), !dbg !25
|
||
|
|
call void @llvm.dbg.value(metadata i8* %0, metadata !23, metadata !DIExpression()), !dbg !25
|
||
|
|
call void @llvm.dbg.value(metadata i8* %0, metadata !23, metadata !DIExpression()), !dbg !25
|
||
|
|
call void @llvm.dbg.value(metadata i8* %0, metadata !23, metadata !DIExpression()), !dbg !25
|
||
|
|
call void @llvm.dbg.value(metadata i8* %0, metadata !23, metadata !DIExpression()), !dbg !25
|
||
|
|
call void @llvm.dbg.value(metadata i8* %0, metadata !23, metadata !DIExpression()), !dbg !25
|
||
|
|
call void @llvm.dbg.value(metadata i8* %0, metadata !23, metadata !DIExpression()), !dbg !25
|
||
|
|
call void @llvm.dbg.value(metadata i8* %0, metadata !23, metadata !DIExpression()), !dbg !25
|
||
|
|
call void @llvm.dbg.value(metadata i8* %0, metadata !23, metadata !DIExpression()), !dbg !25
|
||
|
|
call void @llvm.dbg.value(metadata i8* %0, metadata !23, metadata !DIExpression()), !dbg !25
|
||
|
|
call void @llvm.dbg.value(metadata i8* %0, metadata !23, metadata !DIExpression()), !dbg !25
|
||
|
|
call void @llvm.dbg.value(metadata i8* %0, metadata !23, metadata !DIExpression()), !dbg !25
|
||
|
|
call void @llvm.dbg.value(metadata i8* %0, metadata !23, metadata !DIExpression()), !dbg !25
|
||
|
|
call void @llvm.dbg.value(metadata i8* %0, metadata !23, metadata !DIExpression()), !dbg !25
|
||
|
|
call void @llvm.dbg.value(metadata i8* %0, metadata !23, metadata !DIExpression()), !dbg !25
|
||
|
|
call void @llvm.dbg.value(metadata i8* %0, metadata !23, metadata !DIExpression()), !dbg !25
|
||
|
|
call void @llvm.dbg.value(metadata i8* %0, metadata !23, metadata !DIExpression()), !dbg !25
|
||
|
|
call void @llvm.dbg.value(metadata i8* %0, metadata !23, metadata !DIExpression()), !dbg !25
|
||
|
|
%1 = load <4 x float>, <4 x float>* %p1, align 16, !dbg !28
|
||
|
|
call void @llvm.dbg.value(metadata <4 x float> %1, metadata !24, metadata !DIExpression()), !dbg !25
|
||
|
|
store <4 x float> %1, <4 x float>* %p2, align 16, !dbg !29
|
||
|
|
ret void, !dbg !30
|
||
|
|
}
|
||
|
|
|
||
|
|
; Function Attrs: nounwind readnone speculatable
|
||
|
|
declare void @llvm.dbg.value(metadata, metadata, metadata) #1
|
||
|
|
|
||
|
|
; Function Attrs: nounwind
|
||
|
|
declare void @llvm.stackprotector(i8*, i8**) #2
|
||
|
|
|
||
|
|
attributes #0 = { norecurse nounwind uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "frame-pointer"="all" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
|
||
|
|
attributes #1 = { nounwind readnone speculatable }
|
||
|
|
attributes #2 = { nounwind }
|
||
|
|
|
||
|
|
!llvm.dbg.cu = !{!0}
|
||
|
|
!llvm.module.flags = !{!6, !7, !8}
|
||
|
|
!llvm.ident = !{!9}
|
||
|
|
|
||
|
|
!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 9.0.0 (https://github.com/llvm/llvm-project.git 9afc4764dd24bd2f23c44e51ad33f8e58234a8b6)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !3, nameTableKind: None)
|
||
|
|
!1 = !DIFile(filename: "1.cpp", directory: "C:\5CUsers\5Cgbdawsoc\5CDocuments\5Cllvm\5Cbg40969")
|
||
|
|
!2 = !{}
|
||
|
|
!3 = !{!4}
|
||
|
|
!4 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !5, size: 64)
|
||
|
|
!5 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)
|
||
|
|
!6 = !{i32 2, !"Dwarf Version", i32 4}
|
||
|
|
!7 = !{i32 2, !"Debug Info Version", i32 3}
|
||
|
|
!8 = !{i32 1, !"wchar_size", i32 4}
|
||
|
|
!9 = !{!"clang version 9.0.0 (https://github.com/llvm/llvm-project.git 9afc4764dd24bd2f23c44e51ad33f8e58234a8b6)"}
|
||
|
|
!10 = distinct !DISubprogram(name: "bravo", linkageName: "_Z5bravoPDv4_fS0_", scope: !1, file: !1, line: 4, type: !11, scopeLine: 4, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !20)
|
||
|
|
!11 = !DISubroutineType(types: !12)
|
||
|
|
!12 = !{null, !13, !13}
|
||
|
|
!13 = !DIDerivedType(tag: DW_TAG_restrict_type, baseType: !14)
|
||
|
|
!14 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !15, size: 64)
|
||
|
|
!15 = !DIDerivedType(tag: DW_TAG_typedef, name: "alpha", file: !1, line: 2, baseType: !16)
|
||
|
|
!16 = !DICompositeType(tag: DW_TAG_array_type, baseType: !17, size: 128, flags: DIFlagVector, elements: !18)
|
||
|
|
!17 = !DIBasicType(name: "float", size: 32, encoding: DW_ATE_float)
|
||
|
|
!18 = !{!19}
|
||
|
|
!19 = !DISubrange(count: 4)
|
||
|
|
!20 = !{!21, !22, !23, !24}
|
||
|
|
!21 = !DILocalVariable(name: "p1", arg: 1, scope: !10, file: !1, line: 4, type: !13)
|
||
|
|
!22 = !DILocalVariable(name: "p2", arg: 2, scope: !10, file: !1, line: 4, type: !13)
|
||
|
|
!23 = !DILocalVariable(name: "p3", scope: !10, file: !1, line: 5, type: !4)
|
||
|
|
!24 = !DILocalVariable(name: "t", scope: !10, file: !1, line: 7, type: !15)
|
||
|
|
!25 = !DILocation(line: 0, scope: !10)
|
||
|
|
!26 = !DILocation(line: 5, column: 14, scope: !10)
|
||
|
|
!27 = !DILocation(line: 6, column: 7, scope: !10)
|
||
|
|
!28 = !DILocation(line: 7, column: 13, scope: !10)
|
||
|
|
!29 = !DILocation(line: 8, column: 7, scope: !10)
|
||
|
|
!30 = !DILocation(line: 9, column: 1, scope: !10)
|
||
|
|
|
||
|
|
...
|
||
|
|
---
|
||
|
|
name: debug
|
||
|
|
alignment: 16
|
||
|
|
exposesReturnsTwice: false
|
||
|
|
legalized: false
|
||
|
|
regBankSelected: false
|
||
|
|
selected: false
|
||
|
|
failedISel: false
|
||
|
|
tracksRegLiveness: true
|
||
|
|
hasWinCFI: false
|
||
|
|
registers:
|
||
|
|
- { id: 0, class: gr64, preferred-register: '' }
|
||
|
|
- { id: 1, class: gr64, preferred-register: '' }
|
||
|
|
- { id: 2, class: vr128, preferred-register: '' }
|
||
|
|
liveins:
|
||
|
|
- { reg: '$rdi', virtual-reg: '%0' }
|
||
|
|
- { reg: '$rsi', virtual-reg: '%1' }
|
||
|
|
frameInfo:
|
||
|
|
isFrameAddressTaken: false
|
||
|
|
isReturnAddressTaken: false
|
||
|
|
hasStackMap: false
|
||
|
|
hasPatchPoint: false
|
||
|
|
stackSize: 0
|
||
|
|
offsetAdjustment: 0
|
||
|
|
maxAlignment: 0
|
||
|
|
adjustsStack: false
|
||
|
|
hasCalls: false
|
||
|
|
stackProtector: ''
|
||
|
|
maxCallFrameSize: 4294967295
|
||
|
|
cvBytesOfCalleeSavedRegisters: 0
|
||
|
|
hasOpaqueSPAdjustment: false
|
||
|
|
hasVAStart: false
|
||
|
|
hasMustTailInVarArgFunc: false
|
||
|
|
localFrameSize: 0
|
||
|
|
savePoint: ''
|
||
|
|
restorePoint: ''
|
||
|
|
fixedStack: []
|
||
|
|
stack: []
|
||
|
|
constants: []
|
||
|
|
machineFunctionInfo: {}
|
||
|
|
body: |
|
||
|
|
bb.0.entry:
|
||
|
|
liveins: $rdi, $rsi
|
||
|
|
|
||
|
|
DBG_VALUE $rdi, $noreg, !21, !DIExpression(), debug-location !25
|
||
|
|
DBG_VALUE $rsi, $noreg, !22, !DIExpression(), debug-location !25
|
||
|
|
%1:gr64 = COPY $rsi
|
||
|
|
DBG_VALUE %1, $noreg, !22, !DIExpression(), debug-location !25
|
||
|
|
%0:gr64 = COPY $rdi
|
||
|
|
DBG_VALUE %0, $noreg, !21, !DIExpression(), debug-location !25
|
||
|
|
DBG_VALUE %0, $noreg, !23, !DIExpression(), debug-location !25
|
||
|
|
MOV8mi %0, 1, $noreg, 0, $noreg, 0, debug-location !27 :: (store 1 into %ir.0)
|
||
|
|
CFI_INSTRUCTION offset $r13, -123
|
||
|
|
DBG_VALUE %0, $noreg, !21, !DIExpression(), debug-location !25
|
||
|
|
DBG_VALUE %0, $noreg, !23, !DIExpression(), debug-location !25
|
||
|
|
DBG_VALUE %0, $noreg, !21, !DIExpression(), debug-location !25
|
||
|
|
DBG_VALUE %0, $noreg, !23, !DIExpression(), debug-location !25
|
||
|
|
DBG_VALUE %0, $noreg, !21, !DIExpression(), debug-location !25
|
||
|
|
DBG_VALUE %0, $noreg, !23, !DIExpression(), debug-location !25
|
||
|
|
DBG_VALUE %0, $noreg, !21, !DIExpression(), debug-location !25
|
||
|
|
DBG_VALUE %0, $noreg, !23, !DIExpression(), debug-location !25
|
||
|
|
DBG_VALUE %0, $noreg, !21, !DIExpression(), debug-location !25
|
||
|
|
DBG_VALUE %0, $noreg, !23, !DIExpression(), debug-location !25
|
||
|
|
DBG_VALUE %0, $noreg, !21, !DIExpression(), debug-location !25
|
||
|
|
DBG_VALUE %0, $noreg, !23, !DIExpression(), debug-location !25
|
||
|
|
DBG_VALUE %0, $noreg, !21, !DIExpression(), debug-location !25
|
||
|
|
DBG_VALUE %0, $noreg, !23, !DIExpression(), debug-location !25
|
||
|
|
DBG_VALUE %0, $noreg, !21, !DIExpression(), debug-location !25
|
||
|
|
DBG_VALUE %0, $noreg, !23, !DIExpression(), debug-location !25
|
||
|
|
DBG_VALUE %0, $noreg, !21, !DIExpression(), debug-location !25
|
||
|
|
DBG_VALUE %0, $noreg, !23, !DIExpression(), debug-location !25
|
||
|
|
%2:vr128 = MOVAPSrm %0, 1, $noreg, 0, $noreg, debug-location !28 :: (load 16 from %ir.p1)
|
||
|
|
DBG_VALUE %2, $noreg, !24, !DIExpression(), debug-location !25
|
||
|
|
MOVAPSmr %1, 1, $noreg, 0, $noreg, killed %2, debug-location !29 :: (store 16 into %ir.p2)
|
||
|
|
RET 0, debug-location !30
|
||
|
|
|
||
|
|
; CHECK-LABEL: name: debug
|
||
|
|
; CHECK: %1:gr64 = COPY
|
||
|
|
; CHECK: %0:gr64 = COPY
|
||
|
|
; CHECK: MOV8mi
|
||
|
|
; CHECK: %3:gr8 = MOV8rm
|
||
|
|
; CHECK: MOV8mr
|
||
|
|
; CHECK: %4:gr64 = MOV64rm
|
||
|
|
; CHECK: MOV64mr
|
||
|
|
; CHECK: %5:gr32 = MOV32rm
|
||
|
|
; CHECK: MOV32mr
|
||
|
|
; CHECK: %6:gr16 = MOV16rm
|
||
|
|
; CHECK: MOV16mr
|
||
|
|
; CHECK: %7:gr8 = MOV8rm
|
||
|
|
; CHECK: MOV8mr
|
||
|
|
; CHECK: RET 0
|
||
|
|
...
|