8ebb3eac02
The legacy PM is deprecated, so update a bunch of lit tests running opt to use the new PM syntax when specifying the pipeline. In this patch focus has been put on test cases for ConstantMerge, ConstraintElimination, CorrelatedValuePropagation, GlobalDCE, GlobalOpt, SCCP, TailCallElim and PredicateInfo. Differential Revision: https://reviews.llvm.org/D114516
38 lines
1.6 KiB
LLVM
38 lines
1.6 KiB
LLVM
; RUN: opt -S -passes=globaldce < %s | FileCheck %s
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; Test that the presence of debug intrinsics isn't affecting GlobalDCE.
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; CHECK: @llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 65535, void ()* @_notremovable, i8* null }]
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; CHECK-NOT: @_GLOBAL__I_a
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declare void @_notremovable()
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@llvm.global_ctors = appending global [3 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 65535, void ()* @_GLOBAL__I_a, i8* null }, { i32, void ()*, i8* } { i32 65535, void ()* @_GLOBAL__I_b, i8* null }, { i32, void ()*, i8* } { i32 65535, void ()* @_notremovable, i8* null }]
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@x = internal unnamed_addr constant i8 undef, align 1
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; Function Attrs: nounwind readnone
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define internal void @_GLOBAL__I_a() #1 section "__TEXT,__StaticInit,regular,pure_instructions" {
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entry:
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ret void
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}
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; Function Attrs: nounwind readnone
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define internal void @_GLOBAL__I_b() #1 section "__TEXT,__StaticInit,regular,pure_instructions" {
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entry:
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tail call void @llvm.dbg.value(metadata i8* @x, metadata !4, metadata !DIExpression(DW_OP_deref, DW_OP_constu, 0, DW_OP_swap, DW_OP_xderef)), !dbg !5
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ret void
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}
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; Function Attrs: nounwind readnone speculatable
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declare void @llvm.dbg.value(metadata, metadata, metadata)
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!llvm.module.flags = !{!0}
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!llvm.dbg.cu = !{!1}
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!0 = !{i32 2, !"Debug Info Version", i32 3}
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!1 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !2, emissionKind: FullDebug)
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!2 = !DIFile(filename: "filename", directory: "directory")
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!3 = distinct !DISubprogram(name: "h1", unit: !1)
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!4 = !DILocalVariable(name: "b", arg: 1, scope: !3)
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!5 = !DILocation(scope: !3)
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