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-rw-r--r--llvm/test/DebugInfo/Generic/mixed-source.ll58
-rw-r--r--llvm/test/DebugInfo/NVPTX/dbg-declare-alloca.ll8
-rw-r--r--llvm/test/DebugInfo/X86/branch-folder-dbg-after-end.mir108
-rw-r--r--llvm/test/DebugInfo/X86/branch-folder-dbg.mir46
-rw-r--r--llvm/test/DebugInfo/X86/stringpool.ll4
5 files changed, 190 insertions, 34 deletions
diff --git a/llvm/test/DebugInfo/Generic/mixed-source.ll b/llvm/test/DebugInfo/Generic/mixed-source.ll
index d5586f8..ee3598f 100644
--- a/llvm/test/DebugInfo/Generic/mixed-source.ll
+++ b/llvm/test/DebugInfo/Generic/mixed-source.ll
@@ -5,36 +5,66 @@
; CHECK: include_directories[ 0] = "dir"
; CHECK-NEXT: file_names[ 0]:
+; CHECK-NEXT: name: "main.c"
+; CHECK-NEXT: dir_index: 0
+; CHECK-NOT: source:
+; CHECK-NEXT: file_names[ 1]:
; CHECK-NEXT: name: "foo.c"
; CHECK-NEXT: dir_index: 0
; CHECK-NEXT: source: "void foo() { }\n"
-; CHECK-NEXT: file_names[ 1]:
-; CHECK-NEXT: name: "bar.h"
+; CHECK-NEXT: file_names[ 2]:
+; CHECK-NEXT: name: "newline.h"
+; CHECK-NEXT: dir_index: 0
+; CHECK-NEXT: source: "\n"
+; CHECK-NEXT: file_names[ 3]:
+; CHECK-NEXT: name: "empty.h"
+; CHECK-NEXT: dir_index: 0
+; CHECK-NEXT: source: "\n"
+; CHECK-NEXT: file_names[ 4]:
+; CHECK-NEXT: name: "absent.h"
; CHECK-NEXT: dir_index: 0
; CHECK-NOT: source:
; Test that DIFiles mixing source and no-source within a DICompileUnit works.
-define dso_local void @foo() !dbg !5 {
+define dso_local void @foo() !dbg !6 {
ret void, !dbg !7
}
-define dso_local void @bar() !dbg !6 {
- ret void, !dbg !8
+define dso_local void @newline() !dbg !9 {
+ ret void, !dbg !10
}
-!llvm.dbg.cu = !{!4}
+define dso_local void @empty() !dbg !12 {
+ ret void, !dbg !13
+}
+
+define dso_local void @absent() !dbg !15 {
+ ret void, !dbg !16
+}
+
+!llvm.dbg.cu = !{!2}
!llvm.module.flags = !{!0, !1}
!0 = !{i32 2, !"Dwarf Version", i32 5}
!1 = !{i32 2, !"Debug Info Version", i32 3}
-!2 = !DIFile(filename: "foo.c", directory: "dir", source: "void foo() { }\0A")
-!3 = !DIFile(filename: "bar.h", directory: "dir")
+!2 = distinct !DICompileUnit(language: DW_LANG_C99, emissionKind: FullDebug, file: !4)
+!3 = !DISubroutineType(types: !{})
+!4 = !DIFile(filename: "main.c", directory: "dir")
+
+!5 = !DIFile(filename: "foo.c", directory: "dir", source: "void foo() { }\0A")
+!6 = distinct !DISubprogram(name: "foo", file: !5, line: 1, type: !3, scopeLine: 1, spFlags: DISPFlagDefinition, unit: !2)
+!7 = !DILocation(line: 1, scope: !6)
+
+!8 = !DIFile(filename: "newline.h", directory: "dir", source: "\0A")
+!9 = distinct !DISubprogram(name: "newline", file: !8, line: 1, type: !3, scopeLine: 1, spFlags: DISPFlagDefinition, unit: !2)
+!10 = !DILocation(line: 1, scope: !9)
+
+!11 = !DIFile(filename: "empty.h", directory: "dir", source: "")
+!12 = distinct !DISubprogram(name: "empty", file: !11, line: 1, type: !3, scopeLine: 1, spFlags: DISPFlagDefinition, unit: !2)
+!13 = !DILocation(line: 1, scope: !12)
-!4 = distinct !DICompileUnit(language: DW_LANG_C99, emissionKind: FullDebug, file: !2)
-!5 = distinct !DISubprogram(name: "foo", file: !2, line: 1, type: !9, scopeLine: 1, spFlags: DISPFlagDefinition, unit: !4)
-!6 = distinct !DISubprogram(name: "bar", file: !3, line: 1, type: !9, scopeLine: 1, spFlags: DISPFlagDefinition, unit: !4)
-!7 = !DILocation(line: 1, scope: !5)
-!8 = !DILocation(line: 1, scope: !6)
-!9 = !DISubroutineType(types: !{})
+!14 = !DIFile(filename: "absent.h", directory: "dir")
+!15 = distinct !DISubprogram(name: "absent", file: !14, line: 1, type: !3, scopeLine: 1, spFlags: DISPFlagDefinition, unit: !2)
+!16 = !DILocation(line: 1, scope: !15)
diff --git a/llvm/test/DebugInfo/NVPTX/dbg-declare-alloca.ll b/llvm/test/DebugInfo/NVPTX/dbg-declare-alloca.ll
index 8a9052c..fa42481 100644
--- a/llvm/test/DebugInfo/NVPTX/dbg-declare-alloca.ll
+++ b/llvm/test/DebugInfo/NVPTX/dbg-declare-alloca.ll
@@ -6,16 +6,12 @@
; CHECK: .visible .func use_dbg_declare()
; CHECK: .local .align 8 .b8 __local_depot0[8];
; CHECK: mov.b64 %SPL, __local_depot0;
-; CHECK: add.u64 %rd1, %SP, 0;
; CHECK: .loc 1 5 3 // t.c:5:3
; CHECK: { // callseq 0, 0
; CHECK: .param .b64 param0;
+; CHECK: add.u64 %rd1, %SP, 0;
; CHECK: st.param.b64 [param0], %rd1;
-; CHECK: call.uni
-; CHECK: escape_foo,
-; CHECK: (
-; CHECK: param0
-; CHECK: );
+; CHECK: call.uni escape_foo, (param0);
; CHECK: } // callseq 0
; CHECK: .loc 1 6 1 // t.c:6:1
; CHECK: ret;
diff --git a/llvm/test/DebugInfo/X86/branch-folder-dbg-after-end.mir b/llvm/test/DebugInfo/X86/branch-folder-dbg-after-end.mir
new file mode 100644
index 0000000..743851c
--- /dev/null
+++ b/llvm/test/DebugInfo/X86/branch-folder-dbg-after-end.mir
@@ -0,0 +1,108 @@
+# RUN: llc %s --start-before=branch-folder --stop-after=branch-folder -o - \
+# RUN: | FileCheck %s --implicit-check-not=DBG_PHI
+
+## Common instructions are hoisted. Check that trailing debug instructions in
+## the range are also hoisted, and don't cause a crash.
+##
+## Note the MIR doesn't match the IR as it's modified from:
+## /home/och/dev/llvm-project/llvm/test/DebugInfo/X86/branch-folder-dbg.mir
+
+# CHECK: bb.0
+# CHECK: CALL64pcrel32 @f, csr_64, implicit $rsp, implicit $ssp, implicit-def $rsp, implicit-def $ssp, implicit-def $rax
+## --- Start splice from bb.2.if.else (and debug instructions from bb.1.if.then) ---
+# CHECK-NEXT: $edi = MOV32r0 implicit-def dead $eflags, debug-location !DILocation(line: 0, scope: ![[#]])
+# CHECK-NEXT: DBG_VALUE $noreg, $noreg, ![[#]], !DIExpression(), debug-location
+# CHECK-NEXT: DBG_VALUE $noreg, $noreg, ![[#]], !DIExpression(), debug-location
+## --- End splice ------------------------------------------------------------------
+# CHECK-NEXT: TEST64rr killed renamable $rax, renamable $rax, implicit-def $eflags
+# CHECK-NEXT: JCC_1 %bb.2, 8, implicit $eflags
+# CHECK: bb.1
+
+--- |
+ target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
+ target triple = "x86_64-unknown-linux-gnu"
+
+ declare dso_local noundef i64 @f() local_unnamed_addr
+
+ define dso_local noundef i32 @g() local_unnamed_addr !dbg !7 {
+ %call = tail call noundef i64 @f()
+ %cmp1 = icmp sgt i64 0, %call
+ %conv2 = trunc i64 0 to i32
+ br i1 %cmp1, label %if.then, label %if.else
+
+ if.then: ; preds = %0
+ tail call void @_Z3fooii(i32 noundef %conv2, i32 noundef 0), !dbg !14
+ br label %if.end, !dbg !15
+
+ if.else: ; preds = %0
+ tail call void @_Z3barii(i32 noundef %conv2, i32 noundef 1), !dbg !16
+ br label %if.end, !dbg !17
+
+ if.end: ; preds = %if.else, %if.then
+ ret i32 2
+ }
+
+ declare void @_Z3fooii(i32 noundef, i32 noundef) local_unnamed_addr
+
+ declare void @_Z3barii(i32 noundef, i32 noundef) local_unnamed_addr
+
+ !llvm.module.flags = !{!0, !1}
+ !llvm.ident = !{!2}
+ !llvm.dbg.cu = !{!3}
+ !llvm.debugify = !{!5, !6}
+
+ !0 = !{i32 7, !"Dwarf Version", i32 5}
+ !1 = !{i32 2, !"Debug Info Version", i32 3}
+ !2 = !{!"clang version 21.0.0"}
+ !3 = distinct !DICompileUnit(language: DW_LANG_C, file: !4, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug)
+ !4 = !DIFile(filename: "test.nodbg.ll", directory: "/")
+ !5 = !{i32 15}
+ !6 = !{i32 7}
+ !7 = distinct !DISubprogram(name: "g", linkageName: "g", scope: null, file: !4, line: 1, type: !8, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !3, retainedNodes: !10)
+ !8 = !DISubroutineType(types: !9)
+ !9 = !{}
+ !10 = !{!11}
+ !11 = !DILocalVariable(name: "1", scope: !7, file: !4, line: 3, type: !12)
+ !12 = !DIBasicType(name: "ty64", size: 64, encoding: DW_ATE_unsigned)
+ !13 = !DILocation(line: 3, column: 1, scope: !7)
+ !14 = !DILocation(line: 9, column: 1, scope: !7)
+ !15 = !DILocation(line: 10, column: 1, scope: !7)
+ !16 = !DILocation(line: 11, column: 1, scope: !7)
+ !17 = !DILocation(line: 12, column: 1, scope: !7)
+...
+---
+name: g
+tracksRegLiveness: true
+isSSA: false
+body: |
+ bb.0 (%ir-block.0):
+ successors: %bb.1(0x40000000), %bb.2(0x40000000)
+
+ frame-setup PUSH64r undef $rax, implicit-def $rsp, implicit $rsp
+ frame-setup CFI_INSTRUCTION def_cfa_offset 16
+ CALL64pcrel32 @f, csr_64, implicit $rsp, implicit $ssp, implicit-def $rsp, implicit-def $ssp, implicit-def $rax
+ TEST64rr killed renamable $rax, renamable $rax, implicit-def $eflags
+ JCC_1 %bb.2, 9, implicit killed $eflags
+ JMP_1 %bb.1
+
+ bb.1.if.then:
+ successors: %bb.3(0x80000000)
+
+ $edi = MOV32r0 implicit-def dead $eflags, debug-location !14
+ DBG_VALUE $edi, $noreg, !11, !DIExpression(), debug-location !13
+
+ bb.3.if.end:
+ $eax = MOV32ri 2
+ $rcx = frame-destroy POP64r implicit-def $rsp, implicit $rsp
+ frame-destroy CFI_INSTRUCTION def_cfa_offset 8
+ RET 0, $eax
+
+ bb.2.if.else:
+ successors: %bb.3(0x80000000)
+
+ $edi = MOV32r0 implicit-def dead $eflags, debug-location !16
+ DBG_VALUE $edi, $noreg, !11, !DIExpression(), debug-location !13
+ CALL64pcrel32 target-flags(x86-plt) @_Z3barii, csr_64, implicit $rsp, implicit $ssp, implicit killed $edi, implicit killed $edi, implicit-def $rsp, implicit-def $ssp, debug-location !16
+ JMP_1 %bb.3, debug-location !15
+
+...
diff --git a/llvm/test/DebugInfo/X86/branch-folder-dbg.mir b/llvm/test/DebugInfo/X86/branch-folder-dbg.mir
index 5c38fd2..11b37218 100644
--- a/llvm/test/DebugInfo/X86/branch-folder-dbg.mir
+++ b/llvm/test/DebugInfo/X86/branch-folder-dbg.mir
@@ -1,16 +1,28 @@
-# RUN: llc %s --start-before=branch-folder --stop-after=branch-folder -o - | FileCheck %s
+# RUN: llc %s --start-before=branch-folder --stop-after=branch-folder -o - \
+# RUN: | FileCheck %s --implicit-check-not=DBG_PHI
## Check that common instructions hoisted from `if.then` and `if.else` into
-## common pred `entry` get merged debug locations.
-
-## FIXME: The debug instructions handling here is wrong.
+## common pred `entry` get merged debug locations. The debug instructions from
+## both branches should get hoisted and killed.
+##
+## The MIR debug instructions have been modified by hand in order to check they
+## can be killed.
+##
+## Check DBG_PHIs are deleted rather than hoisted (implicit-check-not).
+##
+## Check DBG_LABELs are hoisted and not modified (and don't cause a crash).
# CHECK: bb.0
# CHECK: CALL64pcrel32 @f, csr_64, implicit $rsp, implicit $ssp, implicit-def $rsp, implicit-def $ssp, implicit-def $rax
-## --- Start splice from bb.2.if.else ---
-# CHECK-NEXT: DBG_VALUE 2, $noreg, ![[#]], !DIExpression(), debug-location ![[#]]
-# CHECK-NEXT: $edi = MOV32r0 implicit-def dead $eflags, debug-location !DILocation(line: 0, scope: ![[#]])
-## --- End splice --------------
+## --- Start splice from bb.2.if.else (and debug instructions from bb.1.if.then) ---
+# CHECK-NEXT: DBG_LABEL 0
+# CHECK-NEXT: DBG_VALUE $noreg, $noreg, ![[#]], !DIExpression(), debug-location ![[#]]
+# CHECK-NEXT: DBG_LABEL 1
+# CHECK-NEXT: DBG_VALUE $noreg, $noreg, ![[#]], !DIExpression(), debug-location ![[#]]
+# CHECK-NEXT: $edi = MOV32r0 implicit-def dead $eflags, debug-instr-number 2, debug-location !DILocation(line: 0, scope: ![[#]])
+# CHECK-NEXT: DBG_VALUE $noreg, $noreg, ![[#]], !DIExpression(DW_OP_LLVM_arg, 0), debug-location ![[#]]
+# CHECK-NEXT: DBG_VALUE $noreg, $noreg, ![[#]], !DIExpression(DW_OP_LLVM_arg, 0), debug-location ![[#]]
+## --- End splice ------------------------------------------------------------------
# CHECK-NEXT: TEST64rr killed renamable $rax, renamable $rax, implicit-def $eflags
# CHECK-NEXT: JCC_1 %bb.2, 9, implicit killed $eflags
# CHECK: bb.1
@@ -73,6 +85,8 @@
...
---
name: g
+tracksRegLiveness: true
+isSSA: false
body: |
bb.0 (%ir-block.0):
successors: %bb.1(0x40000000), %bb.2(0x40000000)
@@ -87,21 +101,25 @@ body: |
bb.1.if.then:
successors: %bb.3(0x80000000)
- DBG_VALUE 0, $noreg, !11, !DIExpression(), debug-location !13
- $edi = MOV32r0 implicit-def dead $eflags, debug-location !14
+ DBG_PHI $esp, 3
+ DBG_LABEL 0
+ DBG_VALUE $esi, $noreg, !11, !DIExpression(), debug-location !13
+ $edi = MOV32r0 implicit-def dead $eflags, debug-instr-number 1, debug-location !14
+ DBG_INSTR_REF !11, !DIExpression(DW_OP_LLVM_arg, 0), dbg-instr-ref(1, 0), debug-location !13
$esi = MOV32r0 implicit-def dead $eflags, debug-location !14
CALL64pcrel32 target-flags(x86-plt) @_Z3fooii, csr_64, implicit $rsp, implicit $ssp, implicit killed $edi, implicit killed $esi, implicit-def $rsp, implicit-def $ssp, debug-location !14
- DBG_VALUE 1, $noreg, !11, !DIExpression(), debug-location !13
JMP_1 %bb.3, debug-location !15
bb.2.if.else:
successors: %bb.3(0x80000000)
- DBG_VALUE 2, $noreg, !11, !DIExpression(), debug-location !13
- $edi = MOV32r0 implicit-def dead $eflags, debug-location !16
+ DBG_PHI $esp, 4
+ DBG_LABEL 1
+ DBG_VALUE $esp, $noreg, !11, !DIExpression(), debug-location !13
+ $edi = MOV32r0 implicit-def dead $eflags, debug-instr-number 2, debug-location !16
+ DBG_INSTR_REF !11, !DIExpression(DW_OP_LLVM_arg, 0), dbg-instr-ref(2, 0), debug-location !13
$esi = MOV32ri 1, debug-location !16
CALL64pcrel32 target-flags(x86-plt) @_Z3barii, csr_64, implicit $rsp, implicit $ssp, implicit killed $edi, implicit killed $esi, implicit-def $rsp, implicit-def $ssp, debug-location !16
- DBG_VALUE 3, $noreg, !11, !DIExpression(), debug-location !13
bb.3.if.end:
$eax = MOV32ri 2
diff --git a/llvm/test/DebugInfo/X86/stringpool.ll b/llvm/test/DebugInfo/X86/stringpool.ll
index 219e672..1c3a57a 100644
--- a/llvm/test/DebugInfo/X86/stringpool.ll
+++ b/llvm/test/DebugInfo/X86/stringpool.ll
@@ -28,8 +28,12 @@ source_filename = "test/DebugInfo/X86/stringpool.ll"
; LINUX: .section .debug_str,"MS",@progbits,1
; LINUX: yyyy
+; DARWIN: .section __DWARF,__debug_abbrev,regular,debug
+; DARWIN-NEXT: Lsection_abbrev:
+
; Verify that we refer to 'yyyy' with a direct offset.
; DARWIN: .section __DWARF,__debug_info,regular,debug
+; DARWIN: Lset1 = Lsection_abbrev-Lsection_abbrev
; DARWIN: DW_TAG_variable
; DARWIN: .long [[YYYY:[0-9]+]]
; DARWIN-NEXT: .long {{[0-9]+}} ## DW_AT_type
generated by cgit v1.1 at 2025-07-30 12:08:05 +0000