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llvm-mirror/test/Other/print-passes.ll

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[opt][NewPM] Add a --print-passes flag to print all available passes It seems nicer to list passes given a flag rather than displaying all passes in opt --help. This is awkwardly structured because a PassBuilder is required, but reusing the PassBuilder in runPassPipeline() doesn't work because we read the input IR before getting to runPassPipeline(). So printing the list of passes needs to happen before reading the input IR. If we remove the legacy PM code in main() and move everything from NewPMDriver.cpp into opt.cpp, we can create the PassBuilder before reading IR and check if we should print the list of passes and exit. But until then this hack seems fine. Compared to the legacy PM, the new PM passes are lacking descriptions. We'll need to figure out a way to add descriptions if we think this is important. Also, this only works for passes specified in PassRegistry.def. If we want to print other custom registered passes, we'll need a different mechanism. Reviewed By: asbirlea Differential Revision: https://reviews.llvm.org/D96101
2021-02-05 04:34:09 +01:00
; RUN: opt --print-passes | FileCheck %s
; CHECK: Module passes:
; CHECK: no-op-module
; CHECK: Module analyses:
; CHECK: no-op-module
; CHECK: Module alias analyses:
; CHECK: globals-aa
; CHECK: CGSCC passes:
; CHECK: no-op-cgscc
; CHECK: CGSCC analyses:
; CHECK: no-op-cgscc
; CHECK: Function passes:
; CHECK: no-op-function
[NewPM] Print passes with params when using "opt -print-passes" Make sure we also print passes with params when using "opt -print-passes". Differential Revision: https://reviews.llvm.org/D104625
2021-06-21 11:22:14 +02:00
; CHECK: Function passes with params:
; CHECK: loop-unroll<O0;O1;O2;O3;full-unroll-max=N;no-partial;partial;no-peeling;peeling;no-profile-peeling;profile-peeling;no-runtime;runtime;no-upperbound;upperbound>
[opt][NewPM] Add a --print-passes flag to print all available passes It seems nicer to list passes given a flag rather than displaying all passes in opt --help. This is awkwardly structured because a PassBuilder is required, but reusing the PassBuilder in runPassPipeline() doesn't work because we read the input IR before getting to runPassPipeline(). So printing the list of passes needs to happen before reading the input IR. If we remove the legacy PM code in main() and move everything from NewPMDriver.cpp into opt.cpp, we can create the PassBuilder before reading IR and check if we should print the list of passes and exit. But until then this hack seems fine. Compared to the legacy PM, the new PM passes are lacking descriptions. We'll need to figure out a way to add descriptions if we think this is important. Also, this only works for passes specified in PassRegistry.def. If we want to print other custom registered passes, we'll need a different mechanism. Reviewed By: asbirlea Differential Revision: https://reviews.llvm.org/D96101
2021-02-05 04:34:09 +01:00
; CHECK: Function analyses:
; CHECK: no-op-function
; CHECK: Function alias analyses:
; CHECK: basic-aa
; CHECK: Loop passes:
; CHECK: no-op-loop
[NewPM] Print passes with params when using "opt -print-passes" Make sure we also print passes with params when using "opt -print-passes". Differential Revision: https://reviews.llvm.org/D104625
2021-06-21 11:22:14 +02:00
; CHECK: Loop passes with params:
[NewPM] Rename 'unswitch' to 'simple-loop-unswitch' in PassRegistry It is confusing to have two ways of specifying the same pass ('simple-loop-unswitch' and 'unswitch'). This patch replaces 'unswitch' by 'simple-loop-unswitch' to get a unique identifier. Using 'simple-loop-unswitch' instead of 'unswitch' also has the advantage of matching how the pass is named in DEBUG_TYPE etc. So this makes it a bit more consistent how we refer to the pass in options such as -passes, -print-after and -debug-only. Reviewed By: aeubanks Differential Revision: https://reviews.llvm.org/D105628
2021-07-08 14:12:19 +02:00
; CHECK: simple-loop-unswitch<no-nontrivial;nontrivial>
[opt][NewPM] Add a --print-passes flag to print all available passes It seems nicer to list passes given a flag rather than displaying all passes in opt --help. This is awkwardly structured because a PassBuilder is required, but reusing the PassBuilder in runPassPipeline() doesn't work because we read the input IR before getting to runPassPipeline(). So printing the list of passes needs to happen before reading the input IR. If we remove the legacy PM code in main() and move everything from NewPMDriver.cpp into opt.cpp, we can create the PassBuilder before reading IR and check if we should print the list of passes and exit. But until then this hack seems fine. Compared to the legacy PM, the new PM passes are lacking descriptions. We'll need to figure out a way to add descriptions if we think this is important. Also, this only works for passes specified in PassRegistry.def. If we want to print other custom registered passes, we'll need a different mechanism. Reviewed By: asbirlea Differential Revision: https://reviews.llvm.org/D96101
2021-02-05 04:34:09 +01:00
; CHECK: Loop analyses:
; CHECK: no-op-loop
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