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TheRock/compiler/amd-llvm/mlir/test/Target/LLVMIR/openmp-wsloop-test-block-structure.mlir
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

55 lines
1.4 KiB
MLIR

// RUN: mlir-translate -mlir-to-llvmir -split-input-file %s | FileCheck %s
// Tests regression uncovered by "1009/1009_0029.f90" (from the Fujitsu test
// suite). This test replicates a simplified version of the block structure
// produced by the Fujitsu test.
llvm.func @test_block_structure() {
%i1 = llvm.mlir.constant(1 : index) : i1
%i64 = llvm.mlir.constant(1 : index) : i64
llvm.br ^bb1(%i64, %i64 : i64, i64)
^bb1(%20: i64, %21: i64): // 2 preds: ^bb0, ^bb5
llvm.cond_br %i1, ^bb2, ^bb6
^bb2: // pred: ^bb1
llvm.br ^bb3(%i64, %i64 : i64, i64)
^bb3(%25: i64, %26: i64): // 2 preds: ^bb2, ^bb4
llvm.cond_br %i1, ^bb4, ^bb5
^bb4: // pred: ^bb3
omp.wsloop {
omp.loop_nest (%arg0) : i64 = (%i64) to (%i64) inclusive step (%i64) {
omp.yield
}
}
llvm.br ^bb1(%i64, %i64 : i64, i64)
^bb5: // pred: ^bb3
llvm.br ^bb1(%i64, %i64 : i64, i64)
^bb6: // pred: ^bb1
llvm.return
}
// CHECK: define void @test_block_structure
// CHECK: br label %[[AFTER_ALLOCA:.*]]
// CHECK: [[AFTER_ALLOCA:]]:
// CHECK: br label %[[BB1:.*]]
// CHECK: [[BB1:]]:
// CHECK: %{{.*}} = phi i64
// CHECK: br i1 true, label %[[BB2:.*]], label %{{.*}}
// CHECK: [[BB2]]:
// CHECK: br label %[[BB3:.*]]
// CHECK: [[BB3]]:
// CHECK: %{{.*}} = phi i64
// CHECK: br i1 true, label %[[BB4:.*]], label %{{.*}}
// CHECK: [[BB4]]:
// CHECK: br label %omp_loop.preheader