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-rw-r--r--test/CodeGen/AArch64/ldst-opt.mir26
-rw-r--r--test/CodeGen/ARM/aeabi-read-tp.ll26
-rw-r--r--test/DebugInfo/X86/FrameIndexExprs.ll85
3 files changed, 131 insertions, 6 deletions
diff --git a/test/CodeGen/AArch64/ldst-opt.mir b/test/CodeGen/AArch64/ldst-opt.mir
index 8f0b71be34830..85b655b717ca9 100644
--- a/test/CodeGen/AArch64/ldst-opt.mir
+++ b/test/CodeGen/AArch64/ldst-opt.mir
@@ -1,10 +1,4 @@
# RUN: llc -mtriple=aarch64--linux-gnu -run-pass=aarch64-ldst-opt %s -verify-machineinstrs -o - 2>&1 | FileCheck %s
---- |
- define void @promote-load-from-store() { ret void }
- define void @store-pair() { ret void }
- define void @store-pair-clearkill0() { ret void }
- define void @store-pair-clearkill1() { ret void }
-...
---
name: promote-load-from-store
tracksRegLiveness: true
@@ -130,3 +124,23 @@ body: |
# CHECK-NOT: %w2 = COPY killed %w1
# CHECK: %w2 = COPY %w1
# CHECK: STPWi %w1, killed %w2, killed %x0, 0
+---
+name: store-load-clearkill
+tracksRegLiveness: true
+body: |
+ bb.0:
+ liveins: %w1
+
+ STRWui %w1, %sp, 0 :: (store 4)
+ %wzr = COPY killed %w1 ; killing use of %w1
+ %w11 = LDRWui %sp, 0 :: (load 4)
+ HINT 0, implicit %w11 ; some use of %w11
+...
+# When replaceing the load of a store-load pair with a copy the kill flags
+# along the way need to be cleared.
+# CHECK-LABEL: name: store-load-clearkill
+# CHECK: STRWui %w1, %sp, 0 :: (store 4)
+# CHECK-NOT: COPY killed %w1
+# CHECK: %wzr = COPY %w1
+# CHECK: %w11 = ORRWrs %wzr, %w1, 0
+# CHECK: HINT 0, implicit %w11
diff --git a/test/CodeGen/ARM/aeabi-read-tp.ll b/test/CodeGen/ARM/aeabi-read-tp.ll
new file mode 100644
index 0000000000000..5f9815b6cd779
--- /dev/null
+++ b/test/CodeGen/ARM/aeabi-read-tp.ll
@@ -0,0 +1,26 @@
+; RUN: llc -mtriple armv7---eabi -filetype asm -o - %s | FileCheck %s -check-prefix CHECK -check-prefix CHECK-SHORT
+; RUN: llc -mtriple thumbv7---eabi -filetype asm -o - %s | FileCheck %s -check-prefix CHECK -check-prefix CHECK-SHORT
+; RUN: llc -mtriple armv7---eabi -mattr=+long-calls -filetype asm -o - %s | FileCheck %s -check-prefix CHECK -check-prefix CHECK-LONG
+; RUN: llc -mtriple thumbv7---eabi -mattr=+long-calls -filetype asm -o - %s | FileCheck %s -check-prefix CHECK -check-prefix CHECK-LONG
+
+@i = thread_local local_unnamed_addr global i32 0, align 4
+
+define i32 @f() local_unnamed_addr {
+entry:
+ %0 = load i32, i32* @i, align 4
+ ret i32 %0
+}
+
+; CHECK-LABEL: f:
+; CHECK-SHORT: ldr r1, [[VAR:.LCPI[0-9]+_[0-9]+]]
+; CHECK-SHORT-NEXT: bl __aeabi_read_tp
+; CHECK-SHORT: [[VAR]]:
+; CHECK-SHORT-NEXT: .long i(TPOFF)
+
+; CHECK-LONG: ldr [[REG:r[0-9]+]], [[FUN:.LCPI[0-9]+_[0-9]+]]
+; CHECK-LONG-NEXT: ldr r1, [[VAR:.LCPI[0-9]+_[0-9]+]]
+; CHECK-LONG-NEXT: blx [[REG]]
+; CHECK-LONG: [[VAR]]:
+; CHECK-LONG-NEXT: .long i(TPOFF)
+; CHECK-LONG: [[FUN]]:
+; CHECK-LONG-NEXT: .long __aeabi_read_tp
diff --git a/test/DebugInfo/X86/FrameIndexExprs.ll b/test/DebugInfo/X86/FrameIndexExprs.ll
new file mode 100644
index 0000000000000..8b2cefc4f8f89
--- /dev/null
+++ b/test/DebugInfo/X86/FrameIndexExprs.ll
@@ -0,0 +1,85 @@
+; PR31381: An assertion in the DWARF backend when fragments in MMI slots are
+; sorted by largest offset first.
+; RUN: llc -mtriple=x86_64-apple-darwin -filetype=obj < %s | llvm-dwarfdump -debug-dump=info - | FileCheck %s
+; CHECK: DW_TAG_formal_parameter
+; CHECK: DW_TAG_formal_parameter
+; CHECK-NEXT: DW_AT_location [DW_FORM_exprloc] (<0xa> 91 78 93 03 93 06 91 7d 93 03 )
+; fbreg -8, piece 0x00000003, piece 0x00000006, fbreg -3, piece 0x00000003
+; CHECK-NEXT: DW_AT_abstract_origin {{.*}}"p"
+source_filename = "bugpoint-reduced-simplified.ll"
+target triple = "x86_64-apple-darwin"
+
+@f = common local_unnamed_addr global i32 0, align 4, !dbg !0
+@h = common local_unnamed_addr global i32 0, align 4, !dbg !6
+
+; Function Attrs: nounwind readnone
+declare void @llvm.dbg.declare(metadata, metadata, metadata) #0
+
+define void @fn4() local_unnamed_addr !dbg !12 {
+entry:
+ %l1.sroa.7.i = alloca [3 x i8], align 1
+ tail call void @llvm.dbg.declare(metadata [3 x i8]* %l1.sroa.7.i, metadata !15, metadata !26), !dbg !27
+ %i.sroa.4.i = alloca [3 x i8], align 8
+ tail call void @llvm.dbg.declare(metadata [3 x i8]* %i.sroa.4.i, metadata !15, metadata !32), !dbg !27
+ %0 = load i32, i32* @h, align 4
+ br label %while.body.i.i, !dbg !33
+
+while.body.i.i: ; preds = %while.body.i.i, %entry
+ br label %while.body.i.i, !dbg !34
+
+fn3.exit: ; No predecessors!
+ %1 = load i32, i32* @f, align 4
+ %tobool.i = icmp eq i32 %1, 0
+ br label %while.body.i
+
+while.body.i: ; preds = %if.end.i, %fn3.exit
+ br i1 %tobool.i, label %if.end.i, label %if.then.i
+
+if.then.i: ; preds = %while.body.i
+ br label %if.end.i
+
+if.end.i: ; preds = %if.then.i, %while.body.i
+ br label %while.body.i
+}
+
+attributes #0 = { nounwind readnone }
+
+!llvm.dbg.cu = !{!2}
+!llvm.module.flags = !{!9, !10, !11}
+
+!0 = !DIGlobalVariableExpression(var: !1)
+!1 = distinct !DIGlobalVariable(name: "f", scope: !2, file: !3, line: 8, type: !8, isLocal: false, isDefinition: true)
+!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
+!3 = !DIFile(filename: "PR31381.c", directory: "/")
+!4 = !{}
+!5 = !{!0, !6}
+!6 = !DIGlobalVariableExpression(var: !7)
+!7 = distinct !DIGlobalVariable(name: "h", scope: !2, file: !3, line: 8, type: !8, isLocal: false, isDefinition: true)
+!8 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
+!9 = !{i32 2, !"Dwarf Version", i32 4}
+!10 = !{i32 2, !"Debug Info Version", i32 3}
+!11 = !{i32 1, !"PIC Level", i32 2}
+!12 = distinct !DISubprogram(name: "fn4", scope: !3, file: !3, line: 31, type: !13, isLocal: false, isDefinition: true, scopeLine: 32, isOptimized: true, unit: !2, variables: !4)
+!13 = !DISubroutineType(types: !14)
+!14 = !{null}
+!15 = !DILocalVariable(name: "p", arg: 1, scope: !16, file: !3, line: 19, type: !19)
+!16 = distinct !DISubprogram(name: "fn2", scope: !3, file: !3, line: 19, type: !17, isLocal: false, isDefinition: true, scopeLine: 20, flags: DIFlagPrototyped, isOptimized: true, unit: !2, variables: !25)
+!17 = !DISubroutineType(types: !18)
+!18 = !{null, !19}
+!19 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "S", file: !3, line: 1, size: 96, elements: !20)
+!20 = !{!21, !23, !24}
+!21 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !19, file: !3, line: 4, baseType: !22, size: 8, offset: 24)
+!22 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)
+!23 = !DIDerivedType(tag: DW_TAG_member, name: "c", scope: !19, file: !3, line: 5, baseType: !8, size: 32, offset: 32)
+!24 = !DIDerivedType(tag: DW_TAG_member, name: "d", scope: !19, file: !3, line: 6, baseType: !8, size: 6, offset: 64, flags: DIFlagBitField, extraData: i64 64)
+!25 = !{!15}
+!26 = !DIExpression(DW_OP_LLVM_fragment, 72, 24)
+!27 = !DILocation(line: 19, column: 20, scope: !16, inlinedAt: !28)
+!28 = distinct !DILocation(line: 27, column: 3, scope: !29, inlinedAt: !30)
+!29 = distinct !DISubprogram(name: "fn3", scope: !3, file: !3, line: 24, type: !13, isLocal: false, isDefinition: true, scopeLine: 25, isOptimized: true, unit: !2, variables: !4)
+!30 = distinct !DILocation(line: 34, column: 7, scope: !31)
+!31 = distinct !DILexicalBlock(scope: !12, file: !3, line: 33, column: 5)
+!32 = !DIExpression(DW_OP_LLVM_fragment, 0, 24)
+!33 = !DILocation(line: 22, column: 9, scope: !16, inlinedAt: !28)
+!34 = !DILocation(line: 21, column: 3, scope: !35, inlinedAt: !28)
+!35 = !DILexicalBlockFile(scope: !16, file: !3, discriminator: 2)
generated by cgit v1.2.3 (git 2.25.1) at 2025-08-10 15:14:28 +0000