test-liveness.mlir
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// RUN: mlir-opt %s -test-print-liveness -split-input-file 2>&1 | FileCheck %s
// CHECK-LABEL: Testing : func_empty
func @func_empty() {
// CHECK: Block: 0
// CHECK-NEXT: LiveIn:{{ *$}}
// CHECK-NEXT: LiveOut:{{ *$}}
// CHECK-NEXT: BeginLiveness
// CHECK-NEXT: EndLiveness
return
}
// -----
// CHECK-LABEL: Testing : func_simpleBranch
func @func_simpleBranch(%arg0: i32, %arg1 : i32) -> i32 {
// CHECK: Block: 0
// CHECK-NEXT: LiveIn:{{ *$}}
// CHECK-NEXT: LiveOut: arg0@0 arg1@0
// CHECK-NEXT: BeginLiveness
// CHECK-NEXT: EndLiveness
br ^exit
^exit:
// CHECK: Block: 1
// CHECK-NEXT: LiveIn: arg0@0 arg1@0
// CHECK-NEXT: LiveOut:{{ *$}}
// CHECK-NEXT: BeginLiveness
// CHECK: val_2
// CHECK-NEXT: %0 = addi
// CHECK-NEXT: return
// CHECK-NEXT: EndLiveness
%result = addi %arg0, %arg1 : i32
return %result : i32
}
// -----
// CHECK-LABEL: Testing : func_condBranch
func @func_condBranch(%cond : i1, %arg1: i32, %arg2 : i32) -> i32 {
// CHECK: Block: 0
// CHECK-NEXT: LiveIn:{{ *$}}
// CHECK-NEXT: LiveOut: arg1@0 arg2@0
// CHECK-NEXT: BeginLiveness
// CHECK-NEXT: EndLiveness
cond_br %cond, ^bb1, ^bb2
^bb1:
// CHECK: Block: 1
// CHECK-NEXT: LiveIn: arg1@0 arg2@0
// CHECK-NEXT: LiveOut: arg1@0 arg2@0
br ^exit
^bb2:
// CHECK: Block: 2
// CHECK-NEXT: LiveIn: arg1@0 arg2@0
// CHECK-NEXT: LiveOut: arg1@0 arg2@0
br ^exit
^exit:
// CHECK: Block: 3
// CHECK-NEXT: LiveIn: arg1@0 arg2@0
// CHECK-NEXT: LiveOut:{{ *$}}
// CHECK-NEXT: BeginLiveness
// CHECK: val_3
// CHECK-NEXT: %0 = addi
// CHECK-NEXT: return
// CHECK-NEXT: EndLiveness
%result = addi %arg1, %arg2 : i32
return %result : i32
}
// -----
// CHECK-LABEL: Testing : func_loop
func @func_loop(%arg0 : i32, %arg1 : i32) -> i32 {
// CHECK: Block: 0
// CHECK-NEXT: LiveIn:{{ *$}}
// CHECK-NEXT: LiveOut: arg1@0
%const0 = constant 0 : i32
br ^loopHeader(%const0, %arg0 : i32, i32)
^loopHeader(%counter : i32, %i : i32):
// CHECK: Block: 1
// CHECK-NEXT: LiveIn: arg1@0
// CHECK-NEXT: LiveOut: arg1@0 arg0@1
// CHECK-NEXT: BeginLiveness
// CHECK-NEXT: val_5
// CHECK-NEXT: %2 = cmpi
// CHECK-NEXT: cond_br
// CHECK-NEXT: EndLiveness
%lessThan = cmpi "slt", %counter, %arg1 : i32
cond_br %lessThan, ^loopBody(%i : i32), ^exit(%i : i32)
^loopBody(%val : i32):
// CHECK: Block: 2
// CHECK-NEXT: LiveIn: arg1@0 arg0@1
// CHECK-NEXT: LiveOut: arg1@0
// CHECK-NEXT: BeginLiveness
// CHECK-NEXT: val_7
// CHECK-NEXT: %c
// CHECK-NEXT: %4 = addi
// CHECK-NEXT: %5 = addi
// CHECK-NEXT: val_8
// CHECK-NEXT: %4 = addi
// CHECK-NEXT: %5 = addi
// CHECK-NEXT: br
// CHECK: EndLiveness
%const1 = constant 1 : i32
%inc = addi %val, %const1 : i32
%inc2 = addi %counter, %const1 : i32
br ^loopHeader(%inc, %inc2 : i32, i32)
^exit(%sum : i32):
// CHECK: Block: 3
// CHECK-NEXT: LiveIn: arg1@0
// CHECK-NEXT: LiveOut:{{ *$}}
%result = addi %sum, %arg1 : i32
return %result : i32
}
// -----
// CHECK-LABEL: Testing : func_ranges
func @func_ranges(%cond : i1, %arg1 : i32, %arg2 : i32, %arg3 : i32) -> i32 {
// CHECK: Block: 0
// CHECK-NEXT: LiveIn:{{ *$}}
// CHECK-NEXT: LiveOut: arg2@0 val_9 val_10
// CHECK-NEXT: BeginLiveness
// CHECK-NEXT: val_4
// CHECK-NEXT: %0 = addi
// CHECK-NEXT: %c
// CHECK-NEXT: %1 = addi
// CHECK-NEXT: %2 = addi
// CHECK-NEXT: %3 = muli
// CHECK-NEXT: val_5
// CHECK-NEXT: %c
// CHECK-NEXT: %1 = addi
// CHECK-NEXT: %2 = addi
// CHECK-NEXT: %3 = muli
// CHECK-NEXT: %4 = muli
// CHECK-NEXT: %5 = addi
// CHECK-NEXT: val_6
// CHECK-NEXT: %1 = addi
// CHECK-NEXT: %2 = addi
// CHECK-NEXT: %3 = muli
// CHECK-NEXT: val_7
// CHECK-NEXT %2 = addi
// CHECK-NEXT %3 = muli
// CHECK-NEXT %4 = muli
// CHECK: val_8
// CHECK-NEXT: %3 = muli
// CHECK-NEXT: %4 = muli
// CHECK-NEXT: val_9
// CHECK-NEXT: %4 = muli
// CHECK-NEXT: %5 = addi
// CHECK-NEXT: cond_br
// CHECK-NEXT: %c
// CHECK-NEXT: %6 = muli
// CHECK-NEXT: %7 = muli
// CHECK-NEXT: %8 = addi
// CHECK-NEXT: val_10
// CHECK-NEXT: %5 = addi
// CHECK-NEXT: cond_br
// CHECK-NEXT: %7
// CHECK: EndLiveness
%0 = addi %arg1, %arg2 : i32
%const1 = constant 1 : i32
%1 = addi %const1, %arg2 : i32
%2 = addi %const1, %arg3 : i32
%3 = muli %0, %1 : i32
%4 = muli %3, %2 : i32
%5 = addi %4, %const1 : i32
cond_br %cond, ^bb1, ^bb2
^bb1:
// CHECK: Block: 1
// CHECK-NEXT: LiveIn: arg2@0 val_9
// CHECK-NEXT: LiveOut: arg2@0
%const4 = constant 4 : i32
%6 = muli %4, %const4 : i32
br ^exit(%6 : i32)
^bb2:
// CHECK: Block: 2
// CHECK-NEXT: LiveIn: arg2@0 val_9 val_10
// CHECK-NEXT: LiveOut: arg2@0
%7 = muli %4, %5 : i32
%8 = addi %4, %arg2 : i32
br ^exit(%8 : i32)
^exit(%sum : i32):
// CHECK: Block: 3
// CHECK-NEXT: LiveIn: arg2@0
// CHECK-NEXT: LiveOut:{{ *$}}
%result = addi %sum, %arg2 : i32
return %result : i32
}
// -----
// CHECK-LABEL: Testing : nested_region
func @nested_region(
%arg0 : index, %arg1 : index, %arg2 : index,
%arg3 : i32, %arg4 : i32, %arg5 : i32,
%buffer : memref<i32>) -> i32 {
// CHECK: Block: 0
// CHECK-NEXT: LiveIn:{{ *$}}
// CHECK-NEXT: LiveOut:{{ *$}}
// CHECK-NEXT: BeginLiveness
// CHECK-NEXT: val_7
// CHECK-NEXT: %0 = addi
// CHECK-NEXT: %1 = addi
// CHECK-NEXT: scf.for
// CHECK: // %2 = addi
// CHECK-NEXT: %3 = addi
// CHECK-NEXT: val_8
// CHECK-NEXT: %1 = addi
// CHECK-NEXT: scf.for
// CHECK: // return %1
// CHECK: EndLiveness
%0 = addi %arg3, %arg4 : i32
%1 = addi %arg4, %arg5 : i32
scf.for %arg6 = %arg0 to %arg1 step %arg2 {
// CHECK: Block: 1
// CHECK-NEXT: LiveIn: arg5@0 arg6@0 val_7
// CHECK-NEXT: LiveOut:{{ *$}}
%2 = addi %0, %arg5 : i32
%3 = addi %2, %0 : i32
store %3, %buffer[] : memref<i32>
}
return %1 : i32
}
// -----
// CHECK-LABEL: Testing : nested_region2
func @nested_region2(
// CHECK: Block: 0
// CHECK-NEXT: LiveIn:{{ *$}}
// CHECK-NEXT: LiveOut:{{ *$}}
// CHECK-NEXT: BeginLiveness
// CHECK-NEXT: val_7
// CHECK-NEXT: %0 = addi
// CHECK-NEXT: %1 = addi
// CHECK-NEXT: scf.for
// CHECK: // %2 = addi
// CHECK-NEXT: scf.for
// CHECK: // %3 = addi
// CHECK-NEXT: val_8
// CHECK-NEXT: %1 = addi
// CHECK-NEXT: scf.for
// CHECK: // return %1
// CHECK: EndLiveness
%arg0 : index, %arg1 : index, %arg2 : index,
%arg3 : i32, %arg4 : i32, %arg5 : i32,
%buffer : memref<i32>) -> i32 {
%0 = addi %arg3, %arg4 : i32
%1 = addi %arg4, %arg5 : i32
scf.for %arg6 = %arg0 to %arg1 step %arg2 {
// CHECK: Block: 1
// CHECK-NEXT: LiveIn: arg0@0 arg1@0 arg2@0 arg5@0 arg6@0 val_7
// CHECK-NEXT: LiveOut:{{ *$}}
// CHECK-NEXT: BeginLiveness
// CHECK-NEXT: val_10
// CHECK-NEXT: %2 = addi
// CHECK-NEXT: scf.for
// CHECK: // %3 = addi
// CHECK: EndLiveness
%2 = addi %0, %arg5 : i32
scf.for %arg7 = %arg0 to %arg1 step %arg2 {
%3 = addi %2, %0 : i32
store %3, %buffer[] : memref<i32>
}
}
return %1 : i32
}
// -----
// CHECK-LABEL: Testing : nested_region3
func @nested_region3(
// CHECK: Block: 0
// CHECK-NEXT: LiveIn:{{ *$}}
// CHECK-NEXT: LiveOut: arg0@0 arg1@0 arg2@0 arg6@0 val_7 val_8
// CHECK-NEXT: BeginLiveness
// CHECK-NEXT: val_7
// CHECK-NEXT: %0 = addi
// CHECK-NEXT: %1 = addi
// CHECK-NEXT: scf.for
// CHECK: // br ^bb1
// CHECK-NEXT: %2 = addi
// CHECK-NEXT: scf.for
// CHECK: // %2 = addi
// CHECK: EndLiveness
%arg0 : index, %arg1 : index, %arg2 : index,
%arg3 : i32, %arg4 : i32, %arg5 : i32,
%buffer : memref<i32>) -> i32 {
%0 = addi %arg3, %arg4 : i32
%1 = addi %arg4, %arg5 : i32
scf.for %arg6 = %arg0 to %arg1 step %arg2 {
// CHECK: Block: 1
// CHECK-NEXT: LiveIn: arg5@0 arg6@0 val_7
// CHECK-NEXT: LiveOut:{{ *$}}
%2 = addi %0, %arg5 : i32
store %2, %buffer[] : memref<i32>
}
br ^exit
^exit:
// CHECK: Block: 2
// CHECK-NEXT: LiveIn: arg0@0 arg1@0 arg2@0 arg6@0 val_7 val_8
// CHECK-NEXT: LiveOut:{{ *$}}
scf.for %arg7 = %arg0 to %arg1 step %arg2 {
// CHECK: Block: 3
// CHECK-NEXT: LiveIn: arg6@0 val_7 val_8
// CHECK-NEXT: LiveOut:{{ *$}}
%2 = addi %0, %1 : i32
store %2, %buffer[] : memref<i32>
}
return %1 : i32
}