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9cac4e6d14
This allows targets to make more decisions about reserved registers after isel. For example, now it should be certain there are calls or stack objects in the frame or not, which could have been introduced by legalization. Patch by Matthias Braun llvm-svn: 363757
33 lines
1.2 KiB
LLVM
33 lines
1.2 KiB
LLVM
; RUN: llc -mtriple=x86_64-apple-unknown -stop-before=finalize-isel %s -o - -simplify-mir | FileCheck %s
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; The byval argument of the function will be allocated a fixed stack slot. Test
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; that we serialize the fixed slot correctly.
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-unknown"
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #0
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define hidden void @foo(i32* byval %dstRect) {
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; CHECK-LABEL: name: foo
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entry:
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call void @llvm.dbg.declare(metadata i32* %dstRect, metadata !3, metadata !DIExpression()), !dbg !5
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; CHECK: fixedStack:
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; CHECK: id: 0
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; CHECK: debug-info-variable: '!3'
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; CHECK: debug-info-expression: '!DIExpression()'
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; CHECK: debug-info-location: '!5'
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unreachable
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}
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attributes #0 = { nounwind readnone speculatable }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!2}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1)
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!1 = !DIFile(filename: "file.cpp", directory: "/dir")
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!2 = !{i32 2, !"Debug Info Version", i32 3}
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!3 = !DILocalVariable(name: "dstRect", scope: !4)
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!4 = distinct !DISubprogram(name: "foo", linkageName: "foo", scope: !0, file: !1, line: 42, unit: !0)
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!5 = !DILocation(line: 42, column: 85, scope: !4)
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