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Before, only Thumb functions were marked as ".code 16". These ".code x" directives are effective until the next directive of its kind is encountered. Therefore, in code with interleaved ARM and Thumb functions, it was possible to declare a function as ARM and end up with a Thumb function after assembly. A test has been added. An existing test has also been fixed to take this change into account. Reviewers: aschwaighofer, t.p.northover, jmolloy, rengolin Subscribers: aemerson, rengolin, llvm-commits Differential Revision: https://reviews.llvm.org/D24337 llvm-svn: 281324
31 lines
1.3 KiB
LLVM
31 lines
1.3 KiB
LLVM
; RUN: llc -mtriple armv7-apple-darwin < %s | FileCheck %s
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; Test that we don't pollute the start of the file with debug sections.
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; This is particularly important on ARM MachO as a change in section order can
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; cause a change the relaxation of the instructions used.
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; CHECK: .section __TEXT,__text,regular,pure_instructions
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; CHECK-NEXT: .syntax unified
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; CHECK-NEXT: .globl _f
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; CHECK-NEXT: .p2align 2
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; CHECK-NEXT: .code 32 @ @f
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; CHECK-NEXT: _f:
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; CHECK: .section __DWARF,__debug_str,regular,debug
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define void @f() !dbg !4 {
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ret void, !dbg !9
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}
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!7, !8}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "foo", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
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!1 = !DIFile(filename: "/foo/test.c", directory: "/foo")
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!2 = !{}
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!4 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 2, type: !5, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: true, unit: !0, variables: !2)
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!5 = !DISubroutineType(types: !6)
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!6 = !{null}
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!7 = !{i32 2, !"Dwarf Version", i32 4}
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!8 = !{i32 2, !"Debug Info Version", i32 3}
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!9 = !DILocation(line: 1, column: 15, scope: !4)
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