112 lines
6.3 KiB
LLVM
112 lines
6.3 KiB
LLVM
|
; RUN: opt -O2 %s | llvm-dis > %t1
|
||
|
|
; RUN: llc -filetype=asm -o - %t1 | FileCheck -check-prefixes=CHECK %s
|
||
|
|
; RUN: llc -mattr=+alu32 -filetype=asm -o - %t1 | FileCheck -check-prefixes=CHECK %s
|
||
|
|
; Source code:
|
||
|
|
; typedef int __int;
|
||
|
|
; typedef struct v3 { int a; __int b[4][4][4]; } __v3;
|
||
|
|
; #define _(x) (__builtin_preserve_access_index(x))
|
||
|
|
; int get_value(const int *arg);
|
||
|
|
; int test(__v3 *arg) {
|
||
|
|
; return get_value(_(&arg[1].b[2][3][2]));
|
||
|
|
; }
|
||
|
|
; Compilation flag:
|
||
|
|
; clang -target bpf -O2 -g -S -emit-llvm -Xclang -disable-llvm-passes test.c
|
||
|
|
|
||
|
|
target triple = "bpf"
|
||
|
|
|
||
|
|
%struct.v3 = type { i32, [4 x [4 x [4 x i32]]] }
|
||
|
|
|
||
|
|
; Function Attrs: nounwind
|
||
|
|
define dso_local i32 @test(%struct.v3* %arg) local_unnamed_addr #0 !dbg !23 {
|
||
|
|
entry:
|
||
|
|
call void @llvm.dbg.value(metadata %struct.v3* %arg, metadata !27, metadata !DIExpression()), !dbg !28
|
||
|
|
%0 = tail call %struct.v3* @llvm.preserve.array.access.index.p0s_struct.v3s.p0s_struct.v3s(%struct.v3* %arg, i32 0, i32 1), !dbg !29, !llvm.preserve.access.index !4
|
||
|
|
%1 = tail call [4 x [4 x [4 x i32]]]* @llvm.preserve.struct.access.index.p0a4a4a4i32.p0s_struct.v3s(%struct.v3* %0, i32 1, i32 1), !dbg !29, !llvm.preserve.access.index !6
|
||
|
|
%2 = tail call [4 x [4 x i32]]* @llvm.preserve.array.access.index.p0a4a4i32.p0a4a4a4i32([4 x [4 x [4 x i32]]]* %1, i32 1, i32 2), !dbg !29, !llvm.preserve.access.index !11
|
||
|
|
%3 = tail call [4 x i32]* @llvm.preserve.array.access.index.p0a4i32.p0a4a4i32([4 x [4 x i32]]* %2, i32 1, i32 3), !dbg !29, !llvm.preserve.access.index !15
|
||
|
|
%4 = tail call i32* @llvm.preserve.array.access.index.p0i32.p0a4i32([4 x i32]* %3, i32 1, i32 2), !dbg !29, !llvm.preserve.access.index !17
|
||
|
|
%call = tail call i32 @get_value(i32* %4) #4, !dbg !30
|
||
|
|
ret i32 %call, !dbg !31
|
||
|
|
}
|
||
|
|
|
||
|
|
; CHECK: r2 = 448
|
||
|
|
; CHECK: r1 += r2
|
||
|
|
; CHECK: call get_value
|
||
|
|
|
||
|
|
; CHECK: .long 6 # BTF_KIND_STRUCT(id = [[TID1:[0-9]+]])
|
||
|
|
|
||
|
|
; CHECK: .ascii "v3" # string offset=6
|
||
|
|
; CHECK: .ascii ".text" # string offset=52
|
||
|
|
; CHECK: .ascii "1:1:2:3:2" # string offset=58
|
||
|
|
|
||
|
|
; CHECK: .long 16 # FieldReloc
|
||
|
|
; CHECK-NEXT: .long 52 # Field reloc section string offset=52
|
||
|
|
; CHECK-NEXT: .long 1
|
||
|
|
; CHECK-NEXT: .long .Ltmp{{[0-9]+}}
|
||
|
|
; CHECK-NEXT: .long [[TID1]]
|
||
|
|
; CHECK-NEXT: .long 58
|
||
|
|
; CHECK-NEXT: .long 0
|
||
|
|
|
||
|
|
declare dso_local i32 @get_value(i32*) local_unnamed_addr #1
|
||
|
|
|
||
|
|
; Function Attrs: nounwind readnone
|
||
|
|
declare %struct.v3* @llvm.preserve.array.access.index.p0s_struct.v3s.p0s_struct.v3s(%struct.v3*, i32, i32) #2
|
||
|
|
|
||
|
|
; Function Attrs: nounwind readnone
|
||
|
|
declare [4 x [4 x [4 x i32]]]* @llvm.preserve.struct.access.index.p0a4a4a4i32.p0s_struct.v3s(%struct.v3*, i32, i32) #2
|
||
|
|
|
||
|
|
; Function Attrs: nounwind readnone
|
||
|
|
declare [4 x [4 x i32]]* @llvm.preserve.array.access.index.p0a4a4i32.p0a4a4a4i32([4 x [4 x [4 x i32]]]*, i32, i32) #2
|
||
|
|
|
||
|
|
; Function Attrs: nounwind readnone
|
||
|
|
declare [4 x i32]* @llvm.preserve.array.access.index.p0a4i32.p0a4a4i32([4 x [4 x i32]]*, i32, i32) #2
|
||
|
|
|
||
|
|
; Function Attrs: nounwind readnone
|
||
|
|
declare i32* @llvm.preserve.array.access.index.p0i32.p0a4i32([4 x i32]*, i32, i32) #2
|
||
|
|
|
||
|
|
; Function Attrs: nounwind readnone speculatable willreturn
|
||
|
|
declare void @llvm.dbg.value(metadata, metadata, metadata) #3
|
||
|
|
|
||
|
|
attributes #0 = { nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="all" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "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" "unsafe-fp-math"="false" "use-soft-float"="false" }
|
||
|
|
attributes #1 = { "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="all" "less-precise-fpmad"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
|
||
|
|
attributes #2 = { nounwind readnone }
|
||
|
|
attributes #3 = { nounwind readnone speculatable willreturn }
|
||
|
|
attributes #4 = { nounwind }
|
||
|
|
|
||
|
|
!llvm.dbg.cu = !{!0}
|
||
|
|
!llvm.module.flags = !{!19, !20, !21}
|
||
|
|
!llvm.ident = !{!22}
|
||
|
|
|
||
|
|
!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 10.0.0 (trunk 367256) (llvm/trunk 367266)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !3, nameTableKind: None)
|
||
|
|
!1 = !DIFile(filename: "test.c", directory: "/tmp/home/yhs/work/tests/llvm/cast")
|
||
|
|
!2 = !{}
|
||
|
|
!3 = !{!4, !11, !15, !17}
|
||
|
|
!4 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !5, size: 64)
|
||
|
|
!5 = !DIDerivedType(tag: DW_TAG_typedef, name: "__v3", file: !1, line: 2, baseType: !6)
|
||
|
|
!6 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "v3", file: !1, line: 2, size: 2080, elements: !7)
|
||
|
|
!7 = !{!8, !10}
|
||
|
|
!8 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !6, file: !1, line: 2, baseType: !9, size: 32)
|
||
|
|
!9 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
|
||
|
|
!10 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !6, file: !1, line: 2, baseType: !11, size: 2048, offset: 32)
|
||
|
|
!11 = !DICompositeType(tag: DW_TAG_array_type, baseType: !12, size: 2048, elements: !13)
|
||
|
|
!12 = !DIDerivedType(tag: DW_TAG_typedef, name: "__int", file: !1, line: 1, baseType: !9)
|
||
|
|
!13 = !{!14, !14, !14}
|
||
|
|
!14 = !DISubrange(count: 4)
|
||
|
|
!15 = !DICompositeType(tag: DW_TAG_array_type, baseType: !12, size: 512, elements: !16)
|
||
|
|
!16 = !{!14, !14}
|
||
|
|
!17 = !DICompositeType(tag: DW_TAG_array_type, baseType: !12, size: 128, elements: !18)
|
||
|
|
!18 = !{!14}
|
||
|
|
!19 = !{i32 2, !"Dwarf Version", i32 4}
|
||
|
|
!20 = !{i32 2, !"Debug Info Version", i32 3}
|
||
|
|
!21 = !{i32 1, !"wchar_size", i32 4}
|
||
|
|
!22 = !{!"clang version 10.0.0 (trunk 367256) (llvm/trunk 367266)"}
|
||
|
|
!23 = distinct !DISubprogram(name: "test", scope: !1, file: !1, line: 5, type: !24, scopeLine: 5, flags: DIFlagPrototyped, isDefinition: true, isOptimized: true, unit: !0, retainedNodes: !26)
|
||
|
|
!24 = !DISubroutineType(types: !25)
|
||
|
|
!25 = !{!9, !4}
|
||
|
|
!26 = !{!27}
|
||
|
|
!27 = !DILocalVariable(name: "arg", arg: 1, scope: !23, file: !1, line: 5, type: !4)
|
||
|
|
!28 = !DILocation(line: 0, scope: !23)
|
||
|
|
!29 = !DILocation(line: 6, column: 20, scope: !23)
|
||
|
|
!30 = !DILocation(line: 6, column: 10, scope: !23)
|
||
|
|
!31 = !DILocation(line: 6, column: 3, scope: !23)
|