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Imported Upstream version 5.18.0.167
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external/llvm/test/CodeGen/ARM/debug-frame-vararg.ll
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external/llvm/test/CodeGen/ARM/debug-frame-vararg.ll
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@ -1,139 +0,0 @@
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; RUN: llc -mtriple arm-unknown-linux-gnueabi -filetype asm -o - %s | FileCheck %s --check-prefix=CHECK-FP
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; RUN: llc -mtriple arm-unknown-linux-gnueabi -filetype asm -o - %s -disable-fp-elim | FileCheck %s --check-prefix=CHECK-FP-ELIM
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; RUN: llc -mtriple thumb-unknown-linux-gnueabi -filetype asm -o - %s | FileCheck %s --check-prefix=CHECK-THUMB-FP
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; RUN: llc -mtriple thumb-unknown-linux-gnueabi -filetype asm -o - %s -disable-fp-elim | FileCheck %s --check-prefix=CHECK-THUMB-FP-ELIM
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; Tests that the initial space allocated to the varargs on the stack is
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; taken into account in the .cfi_ directives.
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; Generated from the C program:
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; #include <stdarg.h>
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;
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; extern int foo(int);
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;
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; int sum(int count, ...) {
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; va_list vl;
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; va_start(vl, count);
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; int sum = 0;
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; for (int i = 0; i < count; i++) {
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; sum += foo(va_arg(vl, int));
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; }
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; va_end(vl);
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; }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!9, !10}
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!llvm.ident = !{!11}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.5 ", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
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!1 = !DIFile(filename: "var.c", directory: "/tmp")
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!2 = !{}
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!4 = distinct !DISubprogram(name: "sum", line: 5, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 5, file: !1, scope: !5, type: !6, variables: !2)
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!5 = !DIFile(filename: "var.c", directory: "/tmp")
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!6 = !DISubroutineType(types: !7)
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!7 = !{!8, !8}
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!8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!9 = !{i32 2, !"Dwarf Version", i32 4}
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!10 = !{i32 1, !"Debug Info Version", i32 3}
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!11 = !{!"clang version 3.5 "}
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!12 = !DILocalVariable(name: "count", line: 5, arg: 1, scope: !4, file: !5, type: !8)
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!13 = !DILocation(line: 5, scope: !4)
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!14 = !DILocalVariable(name: "vl", line: 6, scope: !4, file: !5, type: !15)
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!15 = !DIDerivedType(tag: DW_TAG_typedef, name: "va_list", line: 30, file: !16, baseType: !17)
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!16 = !DIFile(filename: "/linux-x86_64-high/gcc_4.7.2/dbg/llvm/bin/../lib/clang/3.5/include/stdarg.h", directory: "/tmp")
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!17 = !DIDerivedType(tag: DW_TAG_typedef, name: "__builtin_va_list", line: 6, file: !1, baseType: !18)
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!18 = !DICompositeType(tag: DW_TAG_structure_type, name: "__va_list", line: 6, size: 32, align: 32, file: !1, elements: !19)
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!19 = !{!20}
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!20 = !DIDerivedType(tag: DW_TAG_member, name: "__ap", line: 6, size: 32, align: 32, file: !1, scope: !18, baseType: !21)
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!21 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, baseType: null)
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!22 = !DILocation(line: 6, scope: !4)
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!23 = !DILocation(line: 7, scope: !4)
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!24 = !DILocalVariable(name: "sum", line: 8, scope: !4, file: !5, type: !8)
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!25 = !DILocation(line: 8, scope: !4)
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!26 = !DILocalVariable(name: "i", line: 9, scope: !27, file: !5, type: !8)
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!27 = distinct !DILexicalBlock(line: 9, column: 0, file: !1, scope: !4)
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!28 = !DILocation(line: 9, scope: !27)
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!29 = !DILocation(line: 10, scope: !30)
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!30 = distinct !DILexicalBlock(line: 9, column: 0, file: !1, scope: !27)
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!31 = !DILocation(line: 11, scope: !30)
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!32 = !DILocation(line: 12, scope: !4)
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!33 = !DILocation(line: 13, scope: !4)
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; CHECK-FP-LABEL: sum
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; CHECK-FP: .cfi_startproc
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; CHECK-FP: sub sp, sp, #12
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; CHECK-FP: .cfi_def_cfa_offset 12
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; CHECK-FP: push {r4, lr}
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; CHECK-FP: .cfi_def_cfa_offset 20
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; CHECK-FP: .cfi_offset lr, -16
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; CHECK-FP: .cfi_offset r4, -20
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; CHECK-FP: sub sp, sp, #4
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; CHECK-FP: .cfi_def_cfa_offset 24
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; CHECK-FP-ELIM-LABEL: sum
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; CHECK-FP-ELIM: .cfi_startproc
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; CHECK-FP-ELIM: sub sp, sp, #12
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; CHECK-FP-ELIM: .cfi_def_cfa_offset 12
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; CHECK-FP-ELIM: push {r4, r10, r11, lr}
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; CHECK-FP-ELIM: .cfi_def_cfa_offset 28
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; CHECK-FP-ELIM: .cfi_offset lr, -16
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; CHECK-FP-ELIM: .cfi_offset r11, -20
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; CHECK-FP-ELIM: .cfi_offset r10, -24
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; CHECK-FP-ELIM: .cfi_offset r4, -28
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; CHECK-FP-ELIM: add r11, sp, #8
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; CHECK-FP-ELIM: .cfi_def_cfa r11, 20
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; CHECK-THUMB-FP-LABEL: sum
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; CHECK-THUMB-FP: .cfi_startproc
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; CHECK-THUMB-FP: sub sp, #12
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; CHECK-THUMB-FP: .cfi_def_cfa_offset 12
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; CHECK-THUMB-FP: push {r4, lr}
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; CHECK-THUMB-FP: .cfi_def_cfa_offset 20
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; CHECK-THUMB-FP: .cfi_offset lr, -16
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; CHECK-THUMB-FP: .cfi_offset r4, -20
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; CHECK-THUMB-FP: sub sp, #4
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; CHECK-THUMB-FP: .cfi_def_cfa_offset 24
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; CHECK-THUMB-FP-ELIM-LABEL: sum
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; CHECK-THUMB-FP-ELIM: .cfi_startproc
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; CHECK-THUMB-FP-ELIM: sub sp, #12
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; CHECK-THUMB-FP-ELIM: .cfi_def_cfa_offset 12
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; CHECK-THUMB-FP-ELIM: push {r4, r6, r7, lr}
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; CHECK-THUMB-FP-ELIM: .cfi_def_cfa_offset 28
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; CHECK-THUMB-FP-ELIM: .cfi_offset lr, -16
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; CHECK-THUMB-FP-ELIM: .cfi_offset r7, -20
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; CHECK-THUMB-FP-ELIM: .cfi_offset r6, -24
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; CHECK-THUMB-FP-ELIM: .cfi_offset r4, -28
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; CHECK-THUMB-FP-ELIM: add r7, sp, #8
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; CHECK-THUMB-FP-ELIM: .cfi_def_cfa r7, 20
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define i32 @sum(i32 %count, ...) !dbg !4 {
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entry:
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%vl = alloca i8*, align 4
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%vl1 = bitcast i8** %vl to i8*
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call void @llvm.va_start(i8* %vl1)
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%cmp4 = icmp sgt i32 %count, 0
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br i1 %cmp4, label %for.body, label %for.end
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for.body: ; preds = %entry, %for.body
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%i.05 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
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%ap.cur = load i8*, i8** %vl, align 4
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%ap.next = getelementptr i8, i8* %ap.cur, i32 4
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store i8* %ap.next, i8** %vl, align 4
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%0 = bitcast i8* %ap.cur to i32*
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%1 = load i32, i32* %0, align 4
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%call = call i32 @foo(i32 %1) #1
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%inc = add nsw i32 %i.05, 1
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%exitcond = icmp eq i32 %inc, %count
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br i1 %exitcond, label %for.end, label %for.body
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for.end: ; preds = %for.body, %entry
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call void @llvm.va_end(i8* %vl1)
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ret i32 undef
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}
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declare void @llvm.va_start(i8*) nounwind
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declare i32 @foo(i32)
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declare void @llvm.va_end(i8*) nounwind
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