40a4cbb0f2
Similar to 806761a762
-mtriple= specifies the full target triple while -march= merely sets the
architecture part of the default target triple (e.g. Windows, macOS).
Therefore, -march= is error-prone and not recommended for tests without
a target triple. The issue has been benign as these MIR tests do not
utilize object file format specific detail, but it's good to change
these tests to neighbor files that use -mtriple=x86_64
70 lines
2.4 KiB
YAML
70 lines
2.4 KiB
YAML
# RUN: llc -mtriple=x86_64 -run-pass none -o - %s | FileCheck %s
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# This test ensures that the MIR parser parses the stack object's debug info
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# correctly.
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--- |
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #0
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define void @foo() #1 {
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entry:
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%x.i = alloca i8, align 1
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%y.i = alloca [256 x i8], align 16
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%0 = bitcast ptr %y.i to ptr
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br label %for.body
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for.body:
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%1 = bitcast ptr %y.i to ptr
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call void @llvm.lifetime.end(i64 -1, ptr %1) #3
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call void @llvm.lifetime.start(i64 -1, ptr %0) #3
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call void @llvm.dbg.declare(metadata ptr %0, metadata !4, metadata !DIExpression()) #3, !dbg !7
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br label %for.body
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}
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declare void @llvm.lifetime.start(i64, ptr nocapture) #2
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declare void @llvm.lifetime.end(i64, ptr nocapture) #2
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attributes #0 = { nounwind readnone }
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attributes #1 = { nounwind ssp uwtable }
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attributes #2 = { nounwind argmemonly }
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attributes #3 = { nounwind }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!3}
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!0 = distinct !DICompileUnit(language: DW_LANG_C89, file: !1, producer: "clang", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !2)
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!1 = !DIFile(filename: "t.c", directory: "")
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!2 = !{}
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!3 = !{i32 1, !"Debug Info Version", i32 3}
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!4 = !DILocalVariable(name: "x", scope: !5, file: !1, line: 16, type: !8)
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!5 = distinct !DISubprogram(scope: null, isLocal: false, isDefinition: true, isOptimized: false, unit: !0)
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!6 = !DIBasicType(name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char)
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!7 = !DILocation(line: 0, scope: !5)
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!8 = !DICompositeType(tag: DW_TAG_array_type, baseType: !6, size: 2048, align: 8, elements: !9)
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!9 = !{!10}
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!10 = !DISubrange(count: 256)
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...
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---
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name: foo
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tracksRegLiveness: true
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frameInfo:
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maxAlignment: 16
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# CHECK-LABEL: foo
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# CHECK: stack:
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# CHECK: - { id: 0, name: y.i, type: default, offset: 0, size: 256, alignment: 16,
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# CHECK-NEXT: callee-saved-register: '', callee-saved-restored: true,
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# CHECK-NEXT: debug-info-variable: '!4', debug-info-expression: '!DIExpression()',
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# CHECK-NEXT: debug-info-location: '!10' }
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stack:
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- { id: 0, name: y.i, offset: 0, size: 256, alignment: 16,
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debug-info-variable: '!4', debug-info-expression: '!DIExpression()',
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debug-info-location: '!7' }
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body: |
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bb.0.entry:
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successors: %bb.1.for.body
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bb.1.for.body:
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successors: %bb.1.for.body
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DBG_VALUE %stack.0.y.i, 0, !4, !DIExpression(), debug-location !7
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JMP_1 %bb.1.for.body
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...
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