llvm-project/flang/test/Fir/basic-program.fir
Slava Zakharin 9c0acc42e8 [flang] Run algebraic simplification optimization pass.
Try 2 to merge 4fbd1d6c872e8228f23a6e13914222af40ca6461.

Flang algebraic simplification pass will run algebraic simplification
rewrite patterns for Math/Complex/etc. dialects. It is enabled
under opt-for-speed optimization levels (i.e. for O1/O2/O3; Os/Oz will not
enable it).

With this change the FIR/MLIR optimization pipeline becomes affected
by the -O* optimization level switches. Until now these switches
only affected the middle-end and back-end.

Differential Revision: https://reviews.llvm.org/D130035
2022-07-21 11:43:39 -07:00

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// RUN: tco %s | FileCheck %s
// RUN: tco %s --mlir-pass-statistics --mlir-pass-statistics-display=pipeline 2>&1 | FileCheck %s --check-prefix=PASSES
// REQUIRES: asserts
// Check that tco is working with a basic test.
// Also check the passes in the default pipeline.
func.func @_QQmain() {
return
}
// CHECK: ; ModuleID = 'FIRModule'
// CHECK-LABEL: define void @_QQmain()
// CHECK: ret void
// PASSES: Pass statistics report
// PASSES: CSE
// PASSES-NEXT: (S) 0 num-cse'd - Number of operations CSE'd
// PASSES-NEXT: (S) 0 num-dce'd - Number of operations DCE'd
// PASSES-NEXT: 'func.func' Pipeline
// PASSES-NEXT: ArrayValueCopy
// PASSES-NEXT: CharacterConversion
// PASSES-NEXT: Canonicalizer
// PASSES-NEXT: SimplifyRegionLite
// PASSES-NEXT: AlgebraicSimplification
// PASSES-NEXT: CSE
// PASSES-NEXT: (S) 0 num-cse'd - Number of operations CSE'd
// PASSES-NEXT: (S) 0 num-dce'd - Number of operations DCE'd
// PASSES-NEXT: 'func.func' Pipeline
// PASSES-NEXT: MemoryAllocationOpt
// PASSES-NEXT: Inliner
// PASSES-NEXT: CSE
// PASSES-NEXT: (S) 0 num-cse'd - Number of operations CSE'd
// PASSES-NEXT: (S) 0 num-dce'd - Number of operations DCE'd
// PASSES-NEXT: 'func.func' Pipeline
// PASSES-NEXT: CFGConversion
// PASSES-NEXT: SCFToControlFlow
// PASSES-NEXT: Canonicalizer
// PASSES-NEXT: SimplifyRegionLite
// PASSES-NEXT: CSE
// PASSES-NEXT: (S) 0 num-cse'd - Number of operations CSE'd
// PASSES-NEXT: (S) 0 num-dce'd - Number of operations DCE'd
// PASSES-NEXT: BoxedProcedurePass
// PASSES-NEXT: 'func.func' Pipeline
// PASSES-NEXT: AbstractResultOpt
// PASSES-NEXT: CodeGenRewrite
// PASSES-NEXT: (S) 0 num-dce'd - Number of operations eliminated
// PASSES-NEXT: TargetRewrite
// PASSES-NEXT: FIRToLLVMLowering
// PASSES-NEXT: LLVMIRLoweringPass