Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/llvm/test/DebugInfo/Sparc/gnu-window-save.ll

@@ -0,0 +1,70 @@
+; RUN: llc -filetype=obj -O0 < %s -mtriple sparc64-unknown-linux-gnu | llvm-dwarfdump -v - | FileCheck %s --check-prefix=SPARC64
+; RUN: llc -filetype=obj -O0 < %s -mtriple sparc-unknown-linux-gnu   | llvm-dwarfdump -v - | FileCheck %s --check-prefix=SPARC32
+
+; Check for DW_CFA_GNU_Window_save in debug_frame. Also, Ensure that relocations
+; are performed correctly in debug_info.
+
+; SPARC64: file format ELF64-sparc
+
+; SPARC64: .debug_info
+; SPARC64:      DW_TAG_compile_unit
+; SPARC64:        DW_AT_name [DW_FORM_strp] ( .debug_str[0x{{[0-9,A-F,a-f]+}}] = "hello.c")
+; SPARC64:      DW_TAG_subprogram
+; SPARC64:        DW_AT_name [DW_FORM_strp] ( .debug_str[0x{{[0-9,A-F,a-f]+}}] = "main")
+; SPARC64:      DW_TAG_base_type
+; SPARC64:        DW_AT_name [DW_FORM_strp] ( .debug_str[0x{{[0-9,A-F,a-f]+}}] = "int")
+
+; SPARC64: .debug_frame
+; SPARC64:      DW_CFA_def_cfa_register
+; SPARC64-NEXT: DW_CFA_GNU_window_save
+; SPARC64-NEXT: DW_CFA_register
+
+
+; SPARC32: file format ELF32-sparc
+
+; SPARC32: .debug_info
+; SPARC32:      DW_TAG_compile_unit
+; SPARC32:        DW_AT_name [DW_FORM_strp] ( .debug_str[0x{{[0-9,A-F,a-f]+}}] = "hello.c")
+; SPARC32:      DW_TAG_subprogram
+; SPARC32:        DW_AT_name [DW_FORM_strp] ( .debug_str[0x{{[0-9,A-F,a-f]+}}] = "main")
+; SPARC32:      DW_TAG_base_type
+; SPARC32:        DW_AT_name [DW_FORM_strp] ( .debug_str[0x{{[0-9,A-F,a-f]+}}] = "int")
+
+; SPARC32: .debug_frame
+; SPARC32:      DW_CFA_def_cfa_register
+; SPARC32-NEXT: DW_CFA_GNU_window_save
+; SPARC32-NEXT: DW_CFA_register
+
+@.str = private unnamed_addr constant [14 x i8] c"hello, world\0A\00", align 1
+
+; Function Attrs: nounwind
+define signext i32 @main() #0 !dbg !4 {
+entry:
+  %retval = alloca i32, align 4
+  store i32 0, i32* %retval
+  %call = call signext i32 (i8*, ...) @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str, i32 0, i32 0)), !dbg !12
+  ret i32 0, !dbg !13
+}
+
+declare signext i32 @printf(i8*, ...) #1
+
+attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
+attributes #1 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!9, !10}
+!llvm.ident = !{!11}
+
+!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.5 (http://llvm.org/git/clang.git 6a0714fee07fb7c4e32d3972b4fe2ce2f5678cf4) (llvm/ 672e88e934757f76d5c5e5258be41e7615094844)", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
+!1 = !DIFile(filename: "hello.c", directory: "/home/venkatra/work/benchmarks/test/hello")
+!2 = !{}
+!4 = distinct !DISubprogram(name: "main", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 4, file: !1, scope: !5, type: !6, variables: !2)
+!5 = !DIFile(filename: "hello.c", directory: "/home/venkatra/work/benchmarks/test/hello")
+!6 = !DISubroutineType(types: !7)
+!7 = !{!8}
+!8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
+!9 = !{i32 2, !"Dwarf Version", i32 4}
+!10 = !{i32 1, !"Debug Info Version", i32 3}
+!11 = !{!"clang version 3.5 (http://llvm.org/git/clang.git 6a0714fee07fb7c4e32d3972b4fe2ce2f5678cf4) (llvm/ 672e88e934757f76d5c5e5258be41e7615094844)"}
+!12 = !DILocation(line: 5, scope: !4)
+!13 = !DILocation(line: 6, scope: !4)

external/llvm-project/llvm/test/DebugInfo/Sparc/lit.local.cfg

@@ -0,0 +1,2 @@
+if not 'Sparc' in config.root.targets:
+    config.unsupported = True

external/llvm-project/llvm/test/DebugInfo/Sparc/processes-relocations.ll

@@ -0,0 +1,17 @@
+; RUN: llc -filetype=obj -O0 < %s -mtriple sparc-unknown-linux | \
+; RUN:    llvm-dwarfdump - 2>&1 | FileCheck %s
+; RUN: llc -filetype=obj -O0 < %s -mtriple sparcv9-unknown-linux | \
+; RUN:    llvm-dwarfdump - 2>&1 | FileCheck %s
+
+; CHECK-NOT: failed to compute relocation
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!3, !4}
+!llvm.ident = !{!5}
+
+!0 = !{i32 786449, !1, i32 12, !"clang version 3.6.0 ", i1 false, !"", i32 0, !2, !2, !2, !2, !2, !"", i32 1} ; [ DW_TAG_compile_unit ] [/a/empty.c] [DW_LANG_C99]
+!1 = !{!"empty.c", !"/a"}
+!2 = !{}
+!3 = !{i32 2, !"Dwarf Version", i32 4}
+!4 = !{i32 2, !"Debug Info Version", i32 1}
+!5 = !{!"clang version 3.6.0 "}

external/llvm-project/llvm/test/DebugInfo/Sparc/prologue_end.ll

@@ -0,0 +1,40 @@
+; RUN: llc -disable-fp-elim -O0 %s -mtriple sparc -o - | FileCheck %s
+
+; int func(void);
+; void prologue_end_test() {
+;   func();
+;   func();
+; }
+
+define void @prologue_end_test() nounwind uwtable !dbg !4 {
+  ; CHECK: prologue_end_test:
+  ; CHECK: .cfi_startproc
+  ; CHECK: save %sp
+  ; CHECK: .loc 1 3 3 prologue_end
+  ; CHECK: call func
+  ; CHECK: call func
+entry:
+  %call = call i32 @func(), !dbg !11
+  %call1 = call i32 @func(), !dbg !12
+  ret void, !dbg !13
+}
+
+declare i32 @func()
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!7, !8, !9}
+!llvm.ident = !{!10}
+
+!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.7.0 (trunk 242129)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
+!1 = !DIFile(filename: "foo.c", directory: "/tmp")
+!2 = !{}
+!4 = distinct !DISubprogram(name: "prologue_end_test", scope: !1, file: !1, line: 2, type: !5, isLocal: false, isDefinition: true, scopeLine: 2, isOptimized: false, unit: !0, variables: !2)
+!5 = !DISubroutineType(types: !6)
+!6 = !{null}
+!7 = !{i32 2, !"Dwarf Version", i32 2}
+!8 = !{i32 2, !"Debug Info Version", i32 3}
+!9 = !{i32 1, !"PIC Level", i32 2}
+!10 = !{!"clang version 3.7.0 (trunk 242129)"}
+!11 = !DILocation(line: 3, column: 3, scope: !4)
+!12 = !DILocation(line: 4, column: 3, scope: !4)
+!13 = !DILocation(line: 5, column: 1, scope: !4)

external/llvm-project/llvm/test/DebugInfo/Sparc/subreg.ll

@@ -0,0 +1,34 @@
+; RUN: llc -filetype=obj -O0 < %s -mtriple sparc64-unknown-linux-gnu | llvm-dwarfdump - --debug-loc | FileCheck %s
+; The undescribable 128-bit register should be split into two 64-bit registers.
+; CHECK: {{.*}} - {{.*}}: DW_OP_regx D0, DW_OP_piece 0x8, DW_OP_regx D1, DW_OP_piece 0x8
+
+target datalayout = "E-m:e-i64:64-n32:64-S128"
+target triple = "sparc64"
+
+; Function Attrs: nounwind readnone
+define void @fn1(fp128 %b) local_unnamed_addr !dbg !7 {
+entry:
+  tail call void @llvm.dbg.value(metadata fp128 %b, i64 0, metadata !13, metadata !18), !dbg !17
+  tail call void @llvm.dbg.value(metadata fp128 0xL00000000000000000000000000000000, i64 0, metadata !13, metadata !19), !dbg !17
+  ret void, !dbg !20
+}
+
+; Function Attrs: nounwind readnone speculatable
+declare void @llvm.dbg.value(metadata, i64, metadata, metadata)
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!4}
+
+!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, emissionKind: FullDebug)
+!1 = !DIFile(filename: "subreg.c", directory: ".")
+!4 = !{i32 2, !"Debug Info Version", i32 3}
+!7 = distinct !DISubprogram(name: "fn1", scope: !1, file: !1, line: 1, type: !8, unit: !0)
+!8 = !DISubroutineType(types: !9)
+!9 = !{null, !10}
+!10 = !DIBasicType(name: "long double", size: 128, encoding: DW_ATE_float)
+!13 = !DILocalVariable(name: "a", scope: !7, file: !1, line: 1, type: !14)
+!14 = !DIBasicType(name: "complex", size: 256, encoding: DW_ATE_complex_float)
+!17 = !DILocation(line: 1, column: 48, scope: !7)
+!18 = !DIExpression(DW_OP_LLVM_fragment, 0, 128)
+!19 = !DIExpression(DW_OP_LLVM_fragment, 128, 128)
+!20 = !DILocation(line: 1, column: 55, scope: !7)