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Opt's "-enable-debugify" mode adds an instance of Debugify at the beginning of the pass pipeline, and an instance of CheckDebugify at the end. You can enable this mode with lit using: -Dopt="opt -enable-debugify". Note that running test suites in this mode will result in many failures due to strict FileCheck commands, etc. It can be more useful to look for assertion failures which arise only when Debugify is enabled, e.g to prove that we have (or do not have) test coverage for some code path with debug info present. Differential Revision: https://reviews.llvm.org/D41793 llvm-svn: 323256
69 lines
2.7 KiB
LLVM
69 lines
2.7 KiB
LLVM
; RUN: opt -debugify -S -o - < %s | FileCheck %s
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; RUN: opt -debugify -debugify -S -o - < %s 2>&1 | \
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; RUN: FileCheck %s -check-prefix=CHECK-REPEAT
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; RUN: opt -debugify -check-debugify -S -o - < %s | \
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; RUN: FileCheck %s -implicit-check-not="CheckDebugify: FAIL"
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; RUN: opt -debugify -strip -check-debugify -S -o - < %s | \
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; RUN: FileCheck %s -check-prefix=CHECK-FAIL
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; RUN: opt -enable-debugify -strip -S -o - < %s | \
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; RUN: FileCheck %s -check-prefix=CHECK-FAIL
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; CHECK-LABEL: define void @foo
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define void @foo() {
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; CHECK: ret void, !dbg ![[RET1:.*]]
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ret void
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}
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; CHECK-LABEL: define i32 @bar
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define i32 @bar() {
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; CHECK: call void @foo(), !dbg ![[CALL1:.*]]
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call void @foo()
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; CHECK: add i32 0, 1, !dbg ![[ADD1:.*]]
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%sum = add i32 0, 1
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; CHECK: ret i32 0, !dbg ![[RET2:.*]]
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ret i32 0
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}
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; CHECK-DAG: !llvm.dbg.cu = !{![[CU:.*]]}
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; CHECK-DAG: !llvm.debugify = !{![[NUM_INSTS:.*]], ![[NUM_VARS:.*]]}
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; CHECK-DAG: ![[CU]] = distinct !DICompileUnit(language: DW_LANG_C, file: {{.*}}, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: {{.*}})
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; CHECK-DAG: !DIFile(filename: "<stdin>", directory: "/")
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; CHECK-DAG: distinct !DISubprogram(name: "foo", linkageName: "foo", scope: null, file: {{.*}}, line: 1, type: {{.*}}, isLocal: false, isDefinition: true, scopeLine: 1, isOptimized: true, unit: {{.*}}, variables: {{.*}})
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; CHECK-DAG: distinct !DISubprogram(name: "bar", linkageName: "bar", scope: null, file: {{.*}}, line: 2, type: {{.*}}, isLocal: false, isDefinition: true, scopeLine: 2, isOptimized: true, unit: {{.*}}, variables: {{.*}})
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; --- DILocations
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; CHECK-DAG: ![[RET1]] = !DILocation(line: 1, column: 1
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; CHECK-DAG: ![[CALL1]] = !DILocation(line: 2, column: 1
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; CHECK-DAG: ![[ADD1]] = !DILocation(line: 3, column: 1
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; CHECK-DAG: ![[RET2]] = !DILocation(line: 4, column: 1
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; --- DILocalVariables
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; CHECK-DAG: ![[TY32:.*]] = !DIBasicType(name: "ty32", size: 32, encoding: DW_ATE_unsigned)
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; CHECK-DAG: !DILocalVariable(name: "1", scope: {{.*}}, file: {{.*}}, line: 3, type: ![[TY32]])
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; --- Metadata counts
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; CHECK-DAG: ![[NUM_INSTS]] = !{i32 4}
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; CHECK-DAG: ![[NUM_VARS]] = !{i32 1}
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; --- Repeat case
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; CHECK-REPEAT: Debugify: Skipping module with debug info
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; --- Failure case
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; CHECK-FAIL: ERROR: Instruction with empty DebugLoc -- ret void
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; CHECK-FAIL: ERROR: Instruction with empty DebugLoc -- call void @foo()
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; CHECK-FAIL: ERROR: Instruction with empty DebugLoc -- {{.*}} add i32 0, 1
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; CHECK-FAIL: ERROR: Instruction with empty DebugLoc -- ret i32 0
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; CHECK-FAIL: WARNING: Missing line 1
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; CHECK-FAIL: WARNING: Missing line 2
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; CHECK-FAIL: WARNING: Missing line 3
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; CHECK-FAIL: WARNING: Missing line 4
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; CHECK-FAIL: ERROR: Missing variable 1
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; CHECK-FAIL: CheckDebugify: FAIL
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