06c192d454
Upgrade of the IR text tests should be the only thing blocking making typed byval mandatory. Partially done through regex and partially manual.
81 lines
4.1 KiB
LLVM
81 lines
4.1 KiB
LLVM
; RUN: opt -safe-stack -S -mtriple=i386-pc-linux-gnu < %s -o - | FileCheck %s
|
|
|
|
; Test debug location for the local variables moved onto the unsafe stack.
|
|
|
|
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
|
target triple = "x86_64-unknown-linux-gnu"
|
|
|
|
%struct.S = type { [100 x i8] }
|
|
|
|
; Function Attrs: safestack uwtable
|
|
define void @f(%struct.S* byval(%struct.S) align 8 %zzz) #0 !dbg !12 {
|
|
; CHECK: define void @f
|
|
|
|
entry:
|
|
; CHECK: %[[USP:.*]] = load i8*, i8** @__safestack_unsafe_stack_ptr
|
|
|
|
%xxx = alloca %struct.S, align 1
|
|
call void @llvm.dbg.declare(metadata %struct.S* %zzz, metadata !18, metadata !19), !dbg !20
|
|
call void @llvm.dbg.declare(metadata %struct.S* %xxx, metadata !21, metadata !19), !dbg !22
|
|
|
|
; dbg.declare for %zzz and %xxx are gone; replaced with dbg.declare based off the unsafe stack pointer
|
|
; CHECK-NOT: call void @llvm.dbg.declare
|
|
; CHECK: call void @llvm.dbg.declare(metadata i8* %[[USP]], metadata ![[VAR_ARG:.*]], metadata !DIExpression(DW_OP_constu, 104, DW_OP_minus))
|
|
; CHECK-NOT: call void @llvm.dbg.declare
|
|
; CHECK: call void @llvm.dbg.declare(metadata i8* %[[USP]], metadata ![[VAR_LOCAL:.*]], metadata !DIExpression(DW_OP_constu, 208, DW_OP_minus))
|
|
; CHECK-NOT: call void @llvm.dbg.declare
|
|
|
|
call void @Capture(%struct.S* %zzz), !dbg !23
|
|
call void @Capture(%struct.S* %xxx), !dbg !24
|
|
|
|
; dbg.declare appears before the first use
|
|
; CHECK: call void @Capture
|
|
; CHECK: call void @Capture
|
|
|
|
ret void, !dbg !25
|
|
}
|
|
|
|
; CHECK-DAG: ![[VAR_ARG]] = !DILocalVariable(name: "zzz"
|
|
; 100 aligned up to 8
|
|
|
|
; CHECK-DAG: ![[VAR_LOCAL]] = !DILocalVariable(name: "xxx"
|
|
|
|
; Function Attrs: nounwind readnone
|
|
declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
|
|
|
|
declare void @Capture(%struct.S*) #2
|
|
|
|
attributes #0 = { safestack uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" }
|
|
attributes #1 = { nounwind readnone }
|
|
attributes #2 = { "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" }
|
|
|
|
!llvm.dbg.cu = !{!0}
|
|
!llvm.module.flags = !{!15, !16}
|
|
!llvm.ident = !{!17}
|
|
|
|
!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 3.8.0 (trunk 254019) (llvm/trunk 254036)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !3)
|
|
!1 = !DIFile(filename: "../llvm/2.cc", directory: "/code/build-llvm")
|
|
!2 = !{}
|
|
!3 = !{!4}
|
|
!4 = !DICompositeType(tag: DW_TAG_structure_type, name: "S", file: !1, line: 4, size: 800, align: 8, elements: !5, identifier: "_ZTS1S")
|
|
!5 = !{!6}
|
|
!6 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !4, file: !1, line: 5, baseType: !7, size: 800, align: 8)
|
|
!7 = !DICompositeType(tag: DW_TAG_array_type, baseType: !8, size: 800, align: 8, elements: !9)
|
|
!8 = !DIBasicType(name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char)
|
|
!9 = !{!10}
|
|
!10 = !DISubrange(count: 100)
|
|
!12 = distinct !DISubprogram(name: "f", linkageName: "_Z1f1S", scope: !1, file: !1, line: 10, type: !13, isLocal: false, isDefinition: true, scopeLine: 10, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)
|
|
!13 = !DISubroutineType(types: !14)
|
|
!14 = !{null, !4}
|
|
!15 = !{i32 2, !"Dwarf Version", i32 4}
|
|
!16 = !{i32 2, !"Debug Info Version", i32 3}
|
|
!17 = !{!"clang version 3.8.0 (trunk 254019) (llvm/trunk 254036)"}
|
|
!18 = !DILocalVariable(name: "zzz", arg: 1, scope: !12, file: !1, line: 10, type: !4)
|
|
!19 = !DIExpression()
|
|
!20 = !DILocation(line: 10, column: 10, scope: !12)
|
|
!21 = !DILocalVariable(name: "xxx", scope: !12, file: !1, line: 11, type: !4)
|
|
!22 = !DILocation(line: 11, column: 5, scope: !12)
|
|
!23 = !DILocation(line: 12, column: 3, scope: !12)
|
|
!24 = !DILocation(line: 13, column: 3, scope: !12)
|
|
!25 = !DILocation(line: 14, column: 1, scope: !12)
|