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

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[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
; RUN: opt %s -disable-output -debugify-each -debugify-quiet -debugify-export - -globalopt | FileCheck %s
; RUN: opt %s -disable-output -debugify-each -debugify-quiet -debugify-export - -passes=globalopt | FileCheck %s
[Debugify] Export per-pass debug info loss statistics Add a -debugify-export option to opt. This exports per-pass `debugify` loss statistics to a file in CSV format. For some interesting numbers on debug value loss during an -O2 build of the sqlite3 amalgamation, see the review thread. Differential Revision: https://reviews.llvm.org/D49003 llvm-svn: 337787
2018-07-24 02:41:29 +02:00
; CHECK: Pass Name
; CHECK-SAME: # of missing debug values
; CHECK-SAME: # of missing locations
; CHECK-SAME: Missing/Expected value ratio
; CHECK-SAME: Missing/Expected location ratio
[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: {{Module Verifier|GlobalOptPass}}
[Debugify] Export per-pass debug info loss statistics Add a -debugify-export option to opt. This exports per-pass `debugify` loss statistics to a file in CSV format. For some interesting numbers on debug value loss during an -O2 build of the sqlite3 amalgamation, see the review thread. Differential Revision: https://reviews.llvm.org/D49003 llvm-svn: 337787
2018-07-24 02:41:29 +02:00
; CHECK-SAME: 0,0,0.000000e+00,0.000000e+00
define void @foo() {
ret void
}
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