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llvm-mirror/test/DebugInfo/debugify-each.ll

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[Debugify] Print the output to stderr Currently debugify prints it's output to stdout, with this patch all the output generated goes to stderr. This change lets us use debugify without taking away the ability to pipe the output to other llvm tools. llvm-svn: 332642
2018-05-17 20:19:58 +02:00
; RUN: opt -debugify-each -O3 -S -o /dev/null < %s 2> %t
[Debugify] Tighten up the test for -debugify-each, NFC In post-commit review for r332416, Paul Robinson pointed out that the test for -debugify-each is not checking what it needs to. This commit tightens up the test. llvm-svn: 332497
2018-05-16 19:30:58 +02:00
; RUN: FileCheck %s -input-file=%t -check-prefix=MODULE-PASS
; RUN: FileCheck %s -input-file=%t -check-prefix=FUNCTION-PASS
[Debugify] Port -debugify-each to NewPM Preemptively switch 2 tests to the new PM Reviewed By: aeubanks Differential Revision: https://reviews.llvm.org/D90365
2020-11-02 17:16:43 +01:00
; RUN: opt -disable-output -debugify-each -passes='default<O3>' %s 2> %t
; RUN: FileCheck %s -input-file=%t -check-prefix=MODULE-PASS
; RUN: FileCheck %s -input-file=%t -check-prefix=FUNCTION-PASS
[Debugify] Tighten up the test for -debugify-each, NFC In post-commit review for r332416, Paul Robinson pointed out that the test for -debugify-each is not checking what it needs to. This commit tightens up the test. llvm-svn: 332497
2018-05-16 19:30:58 +02:00
[Debugify] Print the output to stderr Currently debugify prints it's output to stdout, with this patch all the output generated goes to stderr. This change lets us use debugify without taking away the ability to pipe the output to other llvm tools. llvm-svn: 332642
2018-05-17 20:19:58 +02:00
; RUN: opt -enable-debugify -debugify-each -O3 -S -o /dev/null < %s 2> %t
[Debugify] Tighten up the test for -debugify-each, NFC In post-commit review for r332416, Paul Robinson pointed out that the test for -debugify-each is not checking what it needs to. This commit tightens up the test. llvm-svn: 332497
2018-05-16 19:30:58 +02:00
; RUN: FileCheck %s -input-file=%t -check-prefix=MODULE-PASS
; RUN: FileCheck %s -input-file=%t -check-prefix=FUNCTION-PASS
[Debugify] Print the output to stderr Currently debugify prints it's output to stdout, with this patch all the output generated goes to stderr. This change lets us use debugify without taking away the ability to pipe the output to other llvm tools. llvm-svn: 332642
2018-05-17 20:19:58 +02:00
; RUN: opt -debugify-each -instrprof -instrprof -sroa -sccp -S -o /dev/null < %s 2> %t
[Debugify] Tighten up the test for -debugify-each, NFC In post-commit review for r332416, Paul Robinson pointed out that the test for -debugify-each is not checking what it needs to. This commit tightens up the test. llvm-svn: 332497
2018-05-16 19:30:58 +02:00
; RUN: FileCheck %s -input-file=%t -check-prefix=MODULE-PASS
; RUN: FileCheck %s -input-file=%t -check-prefix=FUNCTION-PASS
[Debugify] Add -debugify-each for testing each pass in a pipeline This adds a -debugify-each mode to opt which, when enabled, wraps each {Module,Function}Pass in a pipeline with logic to add, check, and strip synthetic debug info for testing purposes. This mode can be used to test complex pipelines for debug info bugs, or to collect statistics about the number of debug values & locations lost throughout various stages of a pipeline. Patch by Son Tuan Vu! Differential Revision: https://reviews.llvm.org/D46525 llvm-svn: 332312
2018-05-15 02:29:27 +02:00
[Debugify] Print the output to stderr Currently debugify prints it's output to stdout, with this patch all the output generated goes to stderr. This change lets us use debugify without taking away the ability to pipe the output to other llvm tools. llvm-svn: 332642
2018-05-17 20:19:58 +02:00
; Verify that debugify each can be safely used with piping
; RUN: opt -debugify-each -O1 < %s | opt -O2 -o /dev/null
[Debugify] Add a quiet mode to suppress warnings Suppressing warning output and module dumps significantly speeds up fuzzing with `opt -debugify-each`. llvm-svn: 334117
2018-06-06 21:05:41 +02:00
; Check that the quiet mode emits no messages.
; RUN: opt -disable-output -debugify-quiet -debugify-each -O1 < %s 2>&1 | count 0
[Debugify] Don't apply DI before the bitcode writer pass Applying synthetic debug info before the bitcode writer pass has no testing-related purpose. This commit prevents that from happening. It also adds tests which check that IR produced with/without -debugify-each enabled is identical after stripping. This makes it possible to check that individual passes (or full pipelines) are invariant to debug info. llvm-svn: 333861
2018-06-04 02:11:49 +02:00
; Check that stripped textual IR compares equal before and after applying
; debugify.
[Debugify] Strip added metadata in the -debugify-each pipeline Summary: Share logic to strip debugify metadata between the IR and MIR level debugify passes. This makes it simpler to hunt for bugs by diffing IR with vs. without -debugify-each turned on. As a drive-by, fix an issue causing CallGraphNodes to become invalid when a dead llvm.dbg.value prototype is deleted. Reviewers: dsanders, aprantl Subscribers: hiraditya, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D77915
2020-04-10 23:58:13 +02:00
; RUN: opt -O1 < %s -S -o %t.before
; RUN: opt -O1 -debugify-each < %s -S -o %t.after
[Debugify] Don't apply DI before the bitcode writer pass Applying synthetic debug info before the bitcode writer pass has no testing-related purpose. This commit prevents that from happening. It also adds tests which check that IR produced with/without -debugify-each enabled is identical after stripping. This makes it possible to check that individual passes (or full pipelines) are invariant to debug info. llvm-svn: 333861
2018-06-04 02:11:49 +02:00
; RUN: diff %t.before %t.after
; Check that stripped IR compares equal before and after applying debugify.
[Debugify] Strip added metadata in the -debugify-each pipeline Summary: Share logic to strip debugify metadata between the IR and MIR level debugify passes. This makes it simpler to hunt for bugs by diffing IR with vs. without -debugify-each turned on. As a drive-by, fix an issue causing CallGraphNodes to become invalid when a dead llvm.dbg.value prototype is deleted. Reviewers: dsanders, aprantl Subscribers: hiraditya, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D77915
2020-04-10 23:58:13 +02:00
; RUN: opt -O1 < %s | llvm-dis -o %t.before
; RUN: opt -O1 -debugify-each < %s | llvm-dis -o %t.after
[Debugify] Don't apply DI before the bitcode writer pass Applying synthetic debug info before the bitcode writer pass has no testing-related purpose. This commit prevents that from happening. It also adds tests which check that IR produced with/without -debugify-each enabled is identical after stripping. This makes it possible to check that individual passes (or full pipelines) are invariant to debug info. llvm-svn: 333861
2018-06-04 02:11:49 +02:00
; RUN: diff %t.before %t.after
[Debugify] Skip debugifying on special/immutable passes With a function pass manager, it would insert debuginfo metadata before getting to function passes while processing the pass manager, causing debugify to skip while running the function passes. Skip special passes + verifier + printing passes. Compared to the legacy implementation of -debugify-each, this additionally skips verifier passes. Probably no need to update the legacy version since it will be obsolete soon. This fixes 2 instcombine tests using -debugify-each under NPM. Reviewed By: MaskRay Differential Revision: https://reviews.llvm.org/D91558
2020-11-16 20:47:50 +01:00
; Check that we only run debugify once per function per function pass.
; This ensures that we don't run it for pass managers/verifiers/printers.
; RUN: opt -debugify-each -passes=instsimplify -S -o /dev/null < %s 2> %t
; RUN: FileCheck %s -input-file=%t -check-prefix=FUNCTION-PASS-ONE
; Check that we only run debugify once per module pass
; (plus the implicitly added begin/end verifier passes).
; RUN: opt -debugify-each -passes=globalopt -S -o /dev/null < %s 2> %t
; RUN: FileCheck %s -input-file=%t -check-prefix=MODULE-PASS-ONE
[Debugify] Don't apply DI before the bitcode writer pass Applying synthetic debug info before the bitcode writer pass has no testing-related purpose. This commit prevents that from happening. It also adds tests which check that IR produced with/without -debugify-each enabled is identical after stripping. This makes it possible to check that individual passes (or full pipelines) are invariant to debug info. llvm-svn: 333861
2018-06-04 02:11:49 +02:00
define void @foo(i32 %arg) {
call i32 asm "bswap $0", "=r,r"(i32 %arg)
[Debugify] Add -debugify-each for testing each pass in a pipeline This adds a -debugify-each mode to opt which, when enabled, wraps each {Module,Function}Pass in a pipeline with logic to add, check, and strip synthetic debug info for testing purposes. This mode can be used to test complex pipelines for debug info bugs, or to collect statistics about the number of debug values & locations lost throughout various stages of a pipeline. Patch by Son Tuan Vu! Differential Revision: https://reviews.llvm.org/D46525 llvm-svn: 332312
2018-05-15 02:29:27 +02:00
ret void
}
define void @bar() {
ret void
}
; Verify that the module & function (check-)debugify passes run at least twice.
[Debugify] Tighten up the test for -debugify-each, NFC In post-commit review for r332416, Paul Robinson pointed out that the test for -debugify-each is not checking what it needs to. This commit tightens up the test. llvm-svn: 332497
2018-05-16 19:30:58 +02:00
; MODULE-PASS: CheckModuleDebugify [{{.*}}]
; MODULE-PASS: CheckModuleDebugify [{{.*}}]
[Debugify] Add -debugify-each for testing each pass in a pipeline This adds a -debugify-each mode to opt which, when enabled, wraps each {Module,Function}Pass in a pipeline with logic to add, check, and strip synthetic debug info for testing purposes. This mode can be used to test complex pipelines for debug info bugs, or to collect statistics about the number of debug values & locations lost throughout various stages of a pipeline. Patch by Son Tuan Vu! Differential Revision: https://reviews.llvm.org/D46525 llvm-svn: 332312
2018-05-15 02:29:27 +02:00
[Debugify] Tighten up the test for -debugify-each, NFC In post-commit review for r332416, Paul Robinson pointed out that the test for -debugify-each is not checking what it needs to. This commit tightens up the test. llvm-svn: 332497
2018-05-16 19:30:58 +02:00
; FUNCTION-PASS: CheckFunctionDebugify [{{.*}}]
; FUNCTION-PASS: CheckFunctionDebugify [{{.*}}]
; FUNCTION-PASS: CheckFunctionDebugify [{{.*}}]
; FUNCTION-PASS: CheckFunctionDebugify [{{.*}}]
[Debugify] Skip debugifying on special/immutable passes With a function pass manager, it would insert debuginfo metadata before getting to function passes while processing the pass manager, causing debugify to skip while running the function passes. Skip special passes + verifier + printing passes. Compared to the legacy implementation of -debugify-each, this additionally skips verifier passes. Probably no need to update the legacy version since it will be obsolete soon. This fixes 2 instcombine tests using -debugify-each under NPM. Reviewed By: MaskRay Differential Revision: https://reviews.llvm.org/D91558
2020-11-16 20:47:50 +01:00
; MODULE-PASS-ONE: CheckModuleDebugify [{{.*}}]
; MODULE-PASS-ONE-NOT: CheckModuleDebugify [{{.*}}]
; FUNCTION-PASS-ONE: CheckFunctionDebugify [{{.*}}]
; FUNCTION-PASS-ONE: CheckFunctionDebugify [{{.*}}]
; FUNCTION-PASS-ONE-NOT: CheckFunctionDebugify [{{.*}}]
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