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[scf-to-calyx] Support for function call (#5965)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,97 @@ | ||
| // RUN: circt-opt %s --lower-scf-to-calyx="top-level-function=main" -canonicalize -split-input-file | FileCheck %s | ||
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| // CHECK-LABEL: calyx.enable @init_func_instance | ||
| // CHECK: calyx.invoke @func_instance(%[[VAL_0:.*]] = %[[VAL_1:.*]]) -> (i32) | ||
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| module { | ||
| func.func @func(%0 : i32) -> i32 { | ||
| return %0 : i32 | ||
| } | ||
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| func.func @main() -> i32 { | ||
| %0 = arith.constant 0 : i32 | ||
| %1 = func.call @func(%0) : (i32) -> i32 | ||
| func.return %1 : i32 | ||
| } | ||
| } | ||
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| // ----- | ||
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| // CHECK-LABEL: calyx.enable @init_func_instance | ||
| // CHECK: calyx.invoke @func_instance(%[[VAL_0:.*]] = %[[VAL_1:.*]]) -> (i32) | ||
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| module { | ||
| func.func @func(%0 : i32) -> i32 { | ||
| return %0 : i32 | ||
| } | ||
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| func.func @main() { | ||
| %c0 = arith.constant 0 : index | ||
| %c1 = arith.constant 1 : index | ||
| %c64 = arith.constant 64 : index | ||
| %0 = memref.alloc() : memref<64xi32> | ||
| %1 = memref.alloc() : memref<64xi32> | ||
| scf.while(%arg0 = %c0) : (index) -> (index) { | ||
| %cond = arith.cmpi ult, %arg0, %c64 : index | ||
| scf.condition(%cond) %arg0 : index | ||
| } do { | ||
| ^bb0(%arg1: index): | ||
| %v = memref.load %0[%arg1] : memref<64xi32> | ||
| %c = func.call @func(%v) : (i32) -> i32 | ||
| memref.store %c, %1[%arg1] : memref<64xi32> | ||
| %inc = arith.addi %arg1, %c1 : index | ||
| scf.yield %inc : index | ||
| } | ||
| return | ||
| } | ||
| } | ||
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| // ----- | ||
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| // CHECK-LABEL: calyx.enable @init_fun_instance | ||
| // CHECK: calyx.invoke @fun_instance(%[[VAL_0:.*]] = %[[VAL_1:.*]]) -> (i32) | ||
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| module { | ||
| func.func @fun(%0 : i32) -> i32 { | ||
| return %0 : i32 | ||
| } | ||
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| func.func @main() { | ||
| %alloca = memref.alloca() : memref<40xi32> | ||
| %c0 = arith.constant 0 : index | ||
| %c40 = arith.constant 40 : index | ||
| %c1 = arith.constant 1 : index | ||
| scf.for %arg0 = %c0 to %c40 step %c1 { | ||
| %0 = memref.load %alloca[%arg0] : memref<40xi32> | ||
| %1 = func.call @fun(%0) : (i32) -> i32 | ||
| memref.store %1, %alloca[%arg0] : memref<40xi32> | ||
| } | ||
| return | ||
| } | ||
| } | ||
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| // ----- | ||
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| // CHECK-LABEL: calyx.enable @init_func_instance | ||
| // CHECK: calyx.invoke @func_instance(%[[VAL_0:.*]] = %[[VAL_1:.*]]) -> (i32) | ||
| // CHECK: calyx.enable @init_func_instance | ||
| // CHECK: calyx.invoke @func_instance(%[[VAL_2:.*]] = %[[VAL_3:.*]]) -> (i32) | ||
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| module { | ||
| func.func @func(%0 : i32) -> i32 { | ||
| return %0 : i32 | ||
| } | ||
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| func.func @main(%a0 : i32, %a1 : i32, %a2 : i32) -> i32 { | ||
| %0 = arith.addi %a0, %a1 : i32 | ||
| %1 = arith.addi %0, %a1 : i32 | ||
| %b = arith.cmpi uge, %1, %a2 : i32 | ||
| cf.cond_br %b, ^bb1, ^bb2 | ||
| ^bb1: | ||
| %ret0 = func.call @func(%0) : (i32) -> i32 | ||
| return %ret0 : i32 | ||
| ^bb2: | ||
| %ret1 = func.call @func(%1) : (i32) -> i32 | ||
| return %ret1 : i32 | ||
| } | ||
| } |