1 # RUN: llc %s -run-pass x86-avoid-SFB -mtriple=x86_64-unknown-linux-gnu -o - | FileCheck %s -check-prefixes DEBUG-LABEL,CHECK
2 # RUN: llc %s -run-pass x86-avoid-SFB -mtriple=x86_64-unknown-linux-gnu -o - | FileCheck %s -check-prefixes NODEBUG-LABEL,CHECK
4 # This was generated from:
6 # using alpha = float __attribute__((ext_vector_type(4)));
8 # void bravo(alpha * __restrict__ p1, alpha * __restrict__ p2) {
9 # char *p3 = (char *)p1;
15 # Using the command line:
16 # clang -g -c 1.cpp -O2 -S -emit-llvm -fno-strict-aliasing --target=x86_64-unknown-unknown -o test.ll
17 # llc -stop-before=x86-avoid-SFB test.ll -o before.mir
20 ; ModuleID = 'test.ll'
21 source_filename = "1.cpp"
22 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
23 target triple = "x86_64-unknown-unknown"
25 ; Function Attrs: norecurse nounwind uwtable
26 define dso_local void @debug(<4 x float>* noalias nocapture %p1, <4 x float>* noalias nocapture %p2) local_unnamed_addr #0 !dbg !10 {
28 call void @llvm.dbg.value(metadata <4 x float>* %p1, metadata !21, metadata !DIExpression()), !dbg !25
29 call void @llvm.dbg.value(metadata <4 x float>* %p2, metadata !22, metadata !DIExpression()), !dbg !25
30 %0 = bitcast <4 x float>* %p1 to i8*, !dbg !26
31 call void @llvm.dbg.value(metadata i8* %0, metadata !23, metadata !DIExpression()), !dbg !25
32 store i8 0, i8* %0, align 1, !dbg !27
33 %1 = load <4 x float>, <4 x float>* %p1, align 16, !dbg !28
34 call void @llvm.dbg.value(metadata <4 x float> %1, metadata !24, metadata !DIExpression()), !dbg !25
35 store <4 x float> %1, <4 x float>* %p2, align 16, !dbg !29
39 ; Function Attrs: norecurse nounwind uwtable
40 define dso_local void @nodebug(<4 x float>* noalias nocapture %p1, <4 x float>* noalias nocapture %p2) local_unnamed_addr #0 {
42 %0 = bitcast <4 x float>* %p1 to i8*
43 store i8 0, i8* %0, align 1
44 %1 = load <4 x float>, <4 x float>* %p1, align 16
45 store <4 x float> %1, <4 x float>* %p2, align 16
49 ; Function Attrs: nounwind readnone speculatable
50 declare void @llvm.dbg.value(metadata, metadata, metadata) #1
52 ; Function Attrs: nounwind
53 declare void @llvm.stackprotector(i8*, i8**) #2
55 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" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "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" }
56 attributes #1 = { nounwind readnone speculatable }
57 attributes #2 = { nounwind }
60 !llvm.module.flags = !{!6, !7, !8}
63 !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)
64 !1 = !DIFile(filename: "1.cpp", directory: "C:\5CUsers\5Cgbdawsoc\5CDocuments\5Cllvm\5Cbg40969")
67 !4 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !5, size: 64)
68 !5 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)
69 !6 = !{i32 2, !"Dwarf Version", i32 4}
70 !7 = !{i32 2, !"Debug Info Version", i32 3}
71 !8 = !{i32 1, !"wchar_size", i32 4}
72 !9 = !{!"clang version 9.0.0 (https://github.com/llvm/llvm-project.git 9afc4764dd24bd2f23c44e51ad33f8e58234a8b6)"}
73 !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)
74 !11 = !DISubroutineType(types: !12)
75 !12 = !{null, !13, !13}
76 !13 = !DIDerivedType(tag: DW_TAG_restrict_type, baseType: !14)
77 !14 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !15, size: 64)
78 !15 = !DIDerivedType(tag: DW_TAG_typedef, name: "alpha", file: !1, line: 2, baseType: !16)
79 !16 = !DICompositeType(tag: DW_TAG_array_type, baseType: !17, size: 128, flags: DIFlagVector, elements: !18)
80 !17 = !DIBasicType(name: "float", size: 32, encoding: DW_ATE_float)
82 !19 = !DISubrange(count: 4)
83 !20 = !{!21, !22, !23, !24}
84 !21 = !DILocalVariable(name: "p1", arg: 1, scope: !10, file: !1, line: 4, type: !13)
85 !22 = !DILocalVariable(name: "p2", arg: 2, scope: !10, file: !1, line: 4, type: !13)
86 !23 = !DILocalVariable(name: "p3", scope: !10, file: !1, line: 5, type: !4)
87 !24 = !DILocalVariable(name: "t", scope: !10, file: !1, line: 7, type: !15)
88 !25 = !DILocation(line: 0, scope: !10)
89 !26 = !DILocation(line: 5, column: 14, scope: !10)
90 !27 = !DILocation(line: 6, column: 7, scope: !10)
91 !28 = !DILocation(line: 7, column: 13, scope: !10)
92 !29 = !DILocation(line: 8, column: 7, scope: !10)
93 !30 = !DILocation(line: 9, column: 1, scope: !10)
99 exposesReturnsTwice: false
101 regBankSelected: false
104 tracksRegLiveness: true
107 - { id: 0, class: gr64, preferred-register: '' }
108 - { id: 1, class: gr64, preferred-register: '' }
109 - { id: 2, class: vr128, preferred-register: '' }
111 - { reg: '$rdi', virtual-reg: '%0' }
112 - { reg: '$rsi', virtual-reg: '%1' }
114 isFrameAddressTaken: false
115 isReturnAddressTaken: false
124 maxCallFrameSize: 4294967295
125 cvBytesOfCalleeSavedRegisters: 0
126 hasOpaqueSPAdjustment: false
128 hasMustTailInVarArgFunc: false
135 machineFunctionInfo: {}
140 DBG_VALUE $rdi, $noreg, !21, !DIExpression(), debug-location !25
141 DBG_VALUE $rsi, $noreg, !22, !DIExpression(), debug-location !25
143 DBG_VALUE %1, $noreg, !22, !DIExpression(), debug-location !25
145 DBG_VALUE %0, $noreg, !21, !DIExpression(), debug-location !25
146 DBG_VALUE %0, $noreg, !23, !DIExpression(), debug-location !25
147 MOV8mi %0, 1, $noreg, 0, $noreg, 0, debug-location !27 :: (store 1 into %ir.0)
148 %2:vr128 = MOVAPSrm %0, 1, $noreg, 0, $noreg, debug-location !28 :: (load 16 from %ir.p1)
149 DBG_VALUE %2, $noreg, !24, !DIExpression(), debug-location !25
150 MOVAPSmr %1, 1, $noreg, 0, $noreg, killed %2, debug-location !29 :: (store 16 into %ir.p2)
151 RET 0, debug-location !30
157 exposesReturnsTwice: false
159 regBankSelected: false
162 tracksRegLiveness: true
165 - { id: 0, class: gr64, preferred-register: '' }
166 - { id: 1, class: gr64, preferred-register: '' }
167 - { id: 2, class: vr128, preferred-register: '' }
169 - { reg: '$rdi', virtual-reg: '%0' }
170 - { reg: '$rsi', virtual-reg: '%1' }
172 isFrameAddressTaken: false
173 isReturnAddressTaken: false
182 maxCallFrameSize: 4294967295
183 cvBytesOfCalleeSavedRegisters: 0
184 hasOpaqueSPAdjustment: false
186 hasMustTailInVarArgFunc: false
193 machineFunctionInfo: {}
200 MOV8mi %0, 1, $noreg, 0, $noreg, 0 :: (store 1 into %ir.0)
201 %2:vr128 = MOVAPSrm %0, 1, $noreg, 0, $noreg :: (load 16 from %ir.p1)
202 MOVAPSmr %1, 1, $noreg, 0, $noreg, killed %2 :: (store 16 into %ir.p2)
205 ; DEBUG-LABEL: name: debug
206 ; NODEBUG-LABEL: name: nodebug
207 ; CHECK: %1:gr64 = COPY
208 ; CHECK: %0:gr64 = COPY
210 ; CHECK: %3:gr8 = MOV8rm
212 ; CHECK: %4:gr64 = MOV64rm
214 ; CHECK: %5:gr32 = MOV32rm
216 ; CHECK: %6:gr16 = MOV16rm
218 ; CHECK: %7:gr8 = MOV8rm
221 ; DEBUG-LABEL: name: nodebug