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llvm-mirror/test/DebugInfo/X86/sroasplit-4.ll
Matt Arsenault 4bf7d5872e OpaquePtr: Bulk update tests to use typed byval
Upgrade of the IR text tests should be the only thing blocking making
typed byval mandatory. Partially done through regex and partially
manual.
2020-11-20 14:00:46 -05:00

142 lines
6.4 KiB
LLVM

; RUN: opt -sroa < %s -S -o - | FileCheck %s
;
; Test that recursively splitting an alloca updates the debug info correctly.
; CHECK: %[[T:.*]] = load i64, i64* @t, align 8
; CHECK: call void @llvm.dbg.value(metadata i64 %[[T]], metadata ![[Y:.*]], metadata !DIExpression(DW_OP_LLVM_fragment, 0, 64))
; CHECK: %[[T1:.*]] = load i64, i64* @t, align 8
; CHECK: call void @llvm.dbg.value(metadata i64 %[[T1]], metadata ![[Y]], metadata !DIExpression(DW_OP_LLVM_fragment, 64, 64))
; CHECK: call void @llvm.dbg.value(metadata i64 %[[T]], metadata ![[R:.*]], metadata !DIExpression(DW_OP_LLVM_fragment, 192, 64))
; CHECK: call void @llvm.dbg.value(metadata i64 %[[T1]], metadata ![[R]], metadata !DIExpression(DW_OP_LLVM_fragment, 256, 64))
;
; struct p {
; __SIZE_TYPE__ s;
; __SIZE_TYPE__ t;
; };
;
; struct r {
; int i;
; struct p x;
; struct p y;
; };
;
; extern int call_me(struct r);
; extern int maybe();
; extern __SIZE_TYPE__ t;
;
; int test() {
; if (maybe())
; return 0;
; struct p y = {t, t};
; struct r r = {.y = y};
; return call_me(r);
; }
; ModuleID = 'pr22393.cc'
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-apple-darwin"
%struct.p = type { i64, i64 }
%struct.r = type { i32, %struct.p, %struct.p }
@t = external global i64
; Function Attrs: nounwind
define i32 @_Z4testv() #0 !dbg !17 {
entry:
%retval = alloca i32, align 4
%y = alloca %struct.p, align 8
%r = alloca %struct.r, align 8
%agg.tmp = alloca %struct.r, align 8
%call = call i32 @_Z5maybev(), !dbg !24
%tobool = icmp ne i32 %call, 0, !dbg !24
br i1 %tobool, label %if.then, label %if.end, !dbg !26
if.then: ; preds = %entry
store i32 0, i32* %retval, !dbg !27
br label %return, !dbg !27
if.end: ; preds = %entry
call void @llvm.dbg.declare(metadata %struct.p* %y, metadata !28, metadata !29), !dbg !30
%s = getelementptr inbounds %struct.p, %struct.p* %y, i32 0, i32 0, !dbg !30
%0 = load i64, i64* @t, align 8, !dbg !30
store i64 %0, i64* %s, align 8, !dbg !30
%t = getelementptr inbounds %struct.p, %struct.p* %y, i32 0, i32 1, !dbg !30
%1 = load i64, i64* @t, align 8, !dbg !30
store i64 %1, i64* %t, align 8, !dbg !30
call void @llvm.dbg.declare(metadata %struct.r* %r, metadata !31, metadata !29), !dbg !32
%i = getelementptr inbounds %struct.r, %struct.r* %r, i32 0, i32 0, !dbg !32
store i32 0, i32* %i, align 4, !dbg !32
%x = getelementptr inbounds %struct.r, %struct.r* %r, i32 0, i32 1, !dbg !32
%s1 = getelementptr inbounds %struct.p, %struct.p* %x, i32 0, i32 0, !dbg !32
store i64 0, i64* %s1, align 8, !dbg !32
%t2 = getelementptr inbounds %struct.p, %struct.p* %x, i32 0, i32 1, !dbg !32
store i64 0, i64* %t2, align 8, !dbg !32
%y3 = getelementptr inbounds %struct.r, %struct.r* %r, i32 0, i32 2, !dbg !32
%2 = bitcast %struct.p* %y3 to i8*, !dbg !32
%3 = bitcast %struct.p* %y to i8*, !dbg !32
call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %2, i8* align 8 %3, i64 16, i1 false), !dbg !32
%4 = bitcast %struct.r* %agg.tmp to i8*, !dbg !33
%5 = bitcast %struct.r* %r to i8*, !dbg !33
call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %4, i8* align 8 %5, i64 40, i1 false), !dbg !33
%call4 = call i32 @_Z7call_me1r(%struct.r* byval(%struct.r) align 8 %agg.tmp), !dbg !33
store i32 %call4, i32* %retval, !dbg !33
br label %return, !dbg !33
return: ; preds = %if.end, %if.then
%6 = load i32, i32* %retval, !dbg !34
ret i32 %6, !dbg !34
}
declare i32 @_Z5maybev()
; Function Attrs: nounwind readnone
declare void @llvm.dbg.declare(metadata, metadata, metadata) #2
; Function Attrs: nounwind
declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i1) #3
declare i32 @_Z7call_me1r(%struct.r* byval(%struct.r) align 8)
attributes #0 = { nounwind }
attributes #2 = { nounwind readnone }
attributes #3 = { nounwind }
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!21, !22}
!llvm.ident = !{!23}
!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.7.0 ", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !3, globals: !2, imports: !2)
!1 = !DIFile(filename: "<stdin>", directory: "")
!2 = !{}
!3 = !{!4, !10}
!4 = !DICompositeType(tag: DW_TAG_structure_type, name: "p", line: 3, size: 128, align: 64, file: !5, elements: !6, identifier: "_ZTS1p")
!5 = !DIFile(filename: "pr22393.cc", directory: "")
!6 = !{!7, !9}
!7 = !DIDerivedType(tag: DW_TAG_member, name: "s", line: 4, size: 64, align: 64, file: !5, scope: !4, baseType: !8)
!8 = !DIBasicType(tag: DW_TAG_base_type, name: "long unsigned int", size: 64, align: 64, encoding: DW_ATE_unsigned)
!9 = !DIDerivedType(tag: DW_TAG_member, name: "t", line: 5, size: 64, align: 64, offset: 64, file: !5, scope: !4, baseType: !8)
!10 = !DICompositeType(tag: DW_TAG_structure_type, name: "r", line: 8, size: 320, align: 64, file: !5, elements: !11, identifier: "_ZTS1r")
!11 = !{!12, !14, !15}
!12 = !DIDerivedType(tag: DW_TAG_member, name: "i", line: 9, size: 32, align: 32, file: !5, scope: !10, baseType: !13)
!13 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
!14 = !DIDerivedType(tag: DW_TAG_member, name: "x", line: 10, size: 128, align: 64, offset: 64, file: !5, scope: !10, baseType: !4)
!15 = !DIDerivedType(tag: DW_TAG_member, name: "y", line: 11, size: 128, align: 64, offset: 192, file: !5, scope: !10, baseType: !4)
!17 = distinct !DISubprogram(name: "test", linkageName: "_Z4testv", line: 18, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 18, file: !5, scope: !18, type: !19, retainedNodes: !2)
!18 = !DIFile(filename: "pr22393.cc", directory: "")
!19 = !DISubroutineType(types: !20)
!20 = !{!13}
!21 = !{i32 2, !"Dwarf Version", i32 4}
!22 = !{i32 2, !"Debug Info Version", i32 3}
!23 = !{!"clang version 3.7.0 "}
!24 = !DILocation(line: 19, scope: !25)
!25 = distinct !DILexicalBlock(line: 19, column: 0, file: !5, scope: !17)
!26 = !DILocation(line: 19, scope: !17)
!27 = !DILocation(line: 20, scope: !25)
!28 = !DILocalVariable(name: "y", line: 21, scope: !17, file: !18, type: !4)
!29 = !DIExpression()
!30 = !DILocation(line: 21, scope: !17)
!31 = !DILocalVariable(name: "r", line: 22, scope: !17, file: !18, type: !10)
!32 = !DILocation(line: 22, scope: !17)
!33 = !DILocation(line: 23, scope: !17)
!34 = !DILocation(line: 24, scope: !17)