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TheRock/compiler/amd-llvm/mlir/test/Transforms/test-canonicalize-merge-large-blocks.mlir
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Flatten subprojects into a single base monorepo
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// RUN: mlir-opt -pass-pipeline='builtin.module(llvm.func(canonicalize{region-simplify=aggressive}))' %s | FileCheck %s
llvm.func @foo(%arg0: i64)
llvm.func @rand() -> i1
// CHECK-LABEL: func @large_merge_block(
llvm.func @large_merge_block(%arg0: i64) {
// CHECK: %[[C0:.*]] = llvm.mlir.constant(0 : i64) : i64
// CHECK: %[[C1:.*]] = llvm.mlir.constant(1 : i64) : i64
// CHECK: %[[C2:.*]] = llvm.mlir.constant(2 : i64) : i64
// CHECK: %[[C3:.*]] = llvm.mlir.constant(3 : i64) : i64
// CHECK: %[[C4:.*]] = llvm.mlir.constant(4 : i64) : i64
// CHECK: llvm.cond_br %5, ^bb1(%[[C1]], %[[C3]], %[[C4]], %[[C2]] : i64, i64, i64, i64), ^bb1(%[[C4]], %[[C2]], %[[C1]], %[[C3]] : i64, i64, i64, i64)
// CHECK: ^bb{{.*}}(%[[arg0:.*]]: i64, %[[arg1:.*]]: i64, %[[arg2:.*]]: i64, %[[arg3:.*]]: i64):
// CHECK: llvm.cond_br %{{.*}}, ^bb2(%[[arg0]] : i64), ^bb2(%[[arg3]] : i64)
// CHECK: ^bb{{.*}}(%11: i64):
// CHECK: llvm.br ^bb{{.*}}
// CHECK: ^bb{{.*}}:
// CHECK: llvm.call
// CHECK: llvm.cond_br {{.*}}, ^bb{{.*}}(%[[arg1]] : i64), ^bb{{.*}}(%[[arg2]] : i64)
// CHECK: ^bb{{.*}}:
// CHECK: llvm.call
// CHECK llvm.br ^bb{{.*}}
%0 = llvm.mlir.constant(0 : i64) : i64
%1 = llvm.mlir.constant(1 : i64) : i64
%2 = llvm.mlir.constant(2 : i64) : i64
%3 = llvm.mlir.constant(3 : i64) : i64
%4 = llvm.mlir.constant(4 : i64) : i64
%10 = llvm.icmp "eq" %arg0, %0 : i64
llvm.cond_br %10, ^bb1, ^bb14
^bb1: // pred: ^bb0
%11 = llvm.call @rand() : () -> i1
llvm.cond_br %11, ^bb2, ^bb3
^bb2: // pred: ^bb1
llvm.call @foo(%1) : (i64) -> ()
llvm.br ^bb4
^bb3: // pred: ^bb1
llvm.call @foo(%2) : (i64) -> ()
llvm.br ^bb4
^bb4: // 2 preds: ^bb2, ^bb3
%14 = llvm.call @rand() : () -> i1
llvm.cond_br %14, ^bb5, ^bb6
^bb5: // pred: ^bb4
llvm.call @foo(%3) : (i64) -> ()
llvm.br ^bb13
^bb6: // pred: ^bb4
llvm.call @foo(%4) : (i64) -> ()
llvm.br ^bb13
^bb13: // 2 preds: ^bb11, ^bb12
llvm.br ^bb27
^bb14: // pred: ^bb0
%23 = llvm.call @rand() : () -> i1
llvm.cond_br %23, ^bb15, ^bb16
^bb15: // pred: ^bb14
llvm.call @foo(%4) : (i64) -> ()
llvm.br ^bb17
^bb16: // pred: ^bb14
llvm.call @foo(%3) : (i64) -> ()
llvm.br ^bb17
^bb17: // 2 preds: ^bb15, ^bb16
%26 = llvm.call @rand() : () -> i1
llvm.cond_br %26, ^bb18, ^bb19
^bb18: // pred: ^bb17
llvm.call @foo(%2) : (i64) -> ()
llvm.br ^bb26
^bb19: // pred: ^bb17
llvm.call @foo(%1) : (i64) -> ()
llvm.br ^bb26
^bb26: // 2 preds: ^bb24, ^bb25
llvm.br ^bb27
^bb27: // 2 preds: ^bb13, ^bb26
llvm.return
}
llvm.func @redundant_args0(%cond : i1) {
%0 = llvm.mlir.constant(0 : i64) : i64
%2 = llvm.mlir.constant(1 : i64) : i64
%3 = llvm.mlir.constant(2 : i64) : i64
// CHECK %[[C0:.*]] = llvm.mlir.constant(0 : i64) : i64
// CHECK %[[C1:.*]] = llvm.mlir.constant(1 : i64) : i64
// CHECK %[[C2:.*]] = llvm.mlir.constant(2 : i64) : i64
llvm.cond_br %cond, ^bb1, ^bb2
// CHECK: llvm.cond_br %{{.*}}, ^bb{{.*}}(%[[C0]], %[[C0]] : i64, i64), ^bb{{.*}}(%[[C1]], %[[C2]] : i64, i64)
// CHECK: ^bb{{.*}}(%{{.*}}: i64, %{{.*}}: i64)
^bb1:
llvm.call @foo(%0) : (i64) -> ()
llvm.call @foo(%0) : (i64) -> ()
llvm.br ^bb3
^bb2:
llvm.call @foo(%2) : (i64) -> ()
llvm.call @foo(%3) : (i64) -> ()
llvm.br ^bb3
^bb3:
llvm.return
}
llvm.func @redundant_args1(%cond : i1) {
%0 = llvm.mlir.constant(0 : i64) : i64
%2 = llvm.mlir.constant(1 : i64) : i64
%3 = llvm.mlir.constant(2 : i64) : i64
// CHECK %[[C0:.*]] = llvm.mlir.constant(0 : i64) : i64
// CHECK %[[C1:.*]] = llvm.mlir.constant(1 : i64) : i64
// CHECK %[[C2:.*]] = llvm.mlir.constant(2 : i64) : i64
llvm.cond_br %cond, ^bb1, ^bb2
// CHECK: llvm.cond_br %{{.*}}, ^bb{{.*}}(%[[C1]], %[[C2]] : i64, i64), ^bb{{.*}}(%[[C0]], %[[C0]] : i64, i64)
// CHECK: ^bb{{.*}}(%{{.*}}: i64, %{{.*}}: i64)
^bb1:
llvm.call @foo(%2) : (i64) -> ()
llvm.call @foo(%3) : (i64) -> ()
llvm.br ^bb3
^bb2:
llvm.call @foo(%0) : (i64) -> ()
llvm.call @foo(%0) : (i64) -> ()
llvm.br ^bb3
^bb3:
llvm.return
}
llvm.func @redundant_args_complex(%cond : i1) {
%0 = llvm.mlir.constant(0 : i64) : i64
%1 = llvm.mlir.constant(1 : i64) : i64
%2 = llvm.mlir.constant(2 : i64) : i64
%3 = llvm.mlir.constant(3 : i64) : i64
// CHECK: %[[C0:.*]] = llvm.mlir.constant(0 : i64) : i64
// CHECK: %[[C1:.*]] = llvm.mlir.constant(1 : i64) : i64
// CHECK: %[[C2:.*]] = llvm.mlir.constant(2 : i64) : i64
// CHECK: %[[C3:.*]] = llvm.mlir.constant(3 : i64) : i64
llvm.cond_br %cond, ^bb1, ^bb2
// CHECK: llvm.cond_br %{{.*}}, ^bb{{.*}}(%[[C2]], %[[C1]], %[[C3]] : i64, i64, i64), ^bb{{.*}}(%[[C0]], %[[C3]], %[[C2]] : i64, i64, i64)
// CHECK: ^bb{{.*}}(%[[arg0:.*]]: i64, %[[arg1:.*]]: i64, %[[arg2:.*]]: i64):
// CHECK: llvm.call @foo(%[[arg0]])
// CHECK: llvm.call @foo(%[[arg0]])
// CHECK: llvm.call @foo(%[[arg1]])
// CHECK: llvm.call @foo(%[[C2]])
// CHECK: llvm.call @foo(%[[arg2]])
^bb1:
llvm.call @foo(%2) : (i64) -> ()
llvm.call @foo(%2) : (i64) -> ()
llvm.call @foo(%1) : (i64) -> ()
llvm.call @foo(%2) : (i64) -> ()
llvm.call @foo(%3) : (i64) -> ()
llvm.br ^bb3
^bb2:
llvm.call @foo(%0) : (i64) -> ()
llvm.call @foo(%0) : (i64) -> ()
llvm.call @foo(%3) : (i64) -> ()
llvm.call @foo(%2) : (i64) -> ()
llvm.call @foo(%2) : (i64) -> ()
llvm.br ^bb3
^bb3:
llvm.return
}
llvm.func @blocks_with_args() {
%0 = llvm.mlir.zero : !llvm.ptr
%1 = llvm.call @rand() : () -> i1
// CHECK: %[[c1:.*]] = llvm.mlir.constant(1 : i64)
// CHECK: %[[c0:.*]] = llvm.mlir.constant(0 : i64)
// CHECK: %[[cond:.*]] = llvm.call @rand
%3 = llvm.mlir.constant(0) : i64
%4 = llvm.mlir.constant(1) : i64
// CHECK: llvm.cond_br %[[cond]], ^bb1(%[[c1]] : i64), ^bb1(%[[c0]] : i64)
// CHECK: ^bb1(%{{.*}}: i64):
// CHECK ^bb2:
// CHECK ^bb3:
// CHECK llvm.return
llvm.cond_br %1, ^bb7(%0 : !llvm.ptr), ^bb1(%0 : !llvm.ptr)
^bb1(%5: !llvm.ptr):
llvm.store %5, %0 : !llvm.ptr, !llvm.ptr
llvm.cond_br %1, ^bb2(%3 : i64), ^bb4(%3 : i64)
^bb7(%6: !llvm.ptr):
llvm.store %6, %0 : !llvm.ptr, !llvm.ptr
llvm.cond_br %1, ^bb2(%4 : i64), ^bb4(%4 : i64)
^bb2(%7: i64):
llvm.call @foo(%7) : (i64) -> ()
llvm.br ^bb8
^bb4(%8: i64):
llvm.call @foo(%8) : (i64) -> ()
llvm.br ^bb8
^bb8:
llvm.return
}
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