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|
// RUN: mlir-opt %s -canonicalize | FileCheck %s
// CHECK-LABEL: @add
func.func @add() -> (index, index) {
%0 = index.constant 1
%1 = index.constant 2100
%2 = index.constant 3000000001
%3 = index.constant 4000002100
// Folds normally.
%4 = index.add %0, %1
// Folds even though values exceed INT32_MAX.
%5 = index.add %2, %3
// CHECK-DAG: %[[A:.*]] = index.constant 2101
// CHECK-DAG: %[[B:.*]] = index.constant 7000002101
// CHECK: return %[[A]], %[[B]]
return %4, %5 : index, index
}
// CHECK-LABEL: @add_overflow
func.func @add_overflow() -> (index, index) {
%0 = index.constant 2000000000
%1 = index.constant 8000000000000000000
// Folds normally.
%2 = index.add %0, %0
// Folds and overflows.
%3 = index.add %1, %1
// CHECK-DAG: %[[A:.*]] = index.constant 4{{0+}}
// CHECK-DAG: %[[B:.*]] = index.constant -2446{{[0-9]+}}
// CHECK: return %[[A]], %[[B]]
return %2, %3 : index, index
}
// CHECK-LABEL: @sub
func.func @sub() -> index {
%0 = index.constant -2000000000
%1 = index.constant 3000000000
%2 = index.sub %0, %1
// CHECK: %[[A:.*]] = index.constant -5{{0+}}
// CHECK: return %[[A]]
return %2 : index
}
// CHECK-LABEL: @mul
func.func @mul() -> index {
%0 = index.constant 8000000002000000000
%1 = index.constant 2
%2 = index.mul %0, %1
// CHECK: %[[A:.*]] = index.constant -2446{{[0-9]+}}
// CHECK: return %[[A]]
return %2 : index
}
// CHECK-LABEL: @divs
func.func @divs() -> index {
%0 = index.constant -2
%1 = index.constant 0x200000000
%2 = index.divs %1, %0
// CHECK: %[[A:.*]] = index.constant -429{{[0-9]+}}
// CHECK: return %[[A]]
return %2 : index
}
// CHECK-LABEL: @divs_nofold
func.func @divs_nofold() -> (index, index) {
%0 = index.constant 0
%1 = index.constant 0x100000000
%2 = index.constant 2
// Divide by zero.
// CHECK: index.divs
%3 = index.divs %2, %0
// 32-bit result differs from 64-bit.
// CHECK: index.divs
%4 = index.divs %1, %2
return %3, %4 : index, index
}
// CHECK-LABEL: @divu
func.func @divu() -> index {
%0 = index.constant -2
%1 = index.constant 0x200000000
%2 = index.divu %1, %0
// CHECK: %[[A:.*]] = index.constant 0
// CHECK: return %[[A]]
return %2 : index
}
// CHECK-LABEL: @divu_nofold
func.func @divu_nofold() -> (index, index) {
%0 = index.constant 0
%1 = index.constant 0x100000000
%2 = index.constant 2
// Divide by zero.
// CHECK: index.divu
%3 = index.divu %2, %0
// 32-bit result differs from 64-bit.
// CHECK: index.divu
%4 = index.divu %1, %2
return %3, %4 : index, index
}
// CHECK-LABEL: @ceildivs
func.func @ceildivs() -> (index, index, index) {
%c0 = index.constant 0
%c2 = index.constant 2
%c5 = index.constant 5
// CHECK-DAG: %[[A:.*]] = index.constant 0
%0 = index.ceildivs %c0, %c5
// CHECK-DAG: %[[B:.*]] = index.constant 1
%1 = index.ceildivs %c2, %c5
// CHECK-DAG: %[[C:.*]] = index.constant 3
%2 = index.ceildivs %c5, %c2
// CHECK: return %[[A]], %[[B]], %[[C]]
return %0, %1, %2 : index, index, index
}
// CHECK-LABEL: @ceildivs_neg
func.func @ceildivs_neg() -> index {
%c5 = index.constant -5
%c2 = index.constant 2
// CHECK: %[[A:.*]] = index.constant -2
%0 = index.ceildivs %c5, %c2
// CHECK: return %[[A]]
return %0 : index
}
// CHECK-LABEL: @ceildivs_edge
func.func @ceildivs_edge() -> (index, index) {
%cn1 = index.constant -1
%cIntMin = index.constant -2147483648
%cIntMax = index.constant 2147483647
// The result is 0 on 32-bit.
// CHECK-DAG: %[[A:.*]] = index.constant 2147483648
%0 = index.ceildivs %cIntMin, %cn1
// CHECK-DAG: %[[B:.*]] = index.constant -2147483647
%1 = index.ceildivs %cIntMax, %cn1
// CHECK: return %[[A]], %[[B]]
return %0, %1 : index, index
}
// CHECK-LABEL: @ceildivu
func.func @ceildivu() -> index {
%0 = index.constant 0x200000001
%1 = index.constant 2
// CHECK: %[[A:.*]] = index.constant 429{{[0-9]+}}7
%2 = index.ceildivu %0, %1
// CHECK: return %[[A]]
return %2 : index
}
// CHECK-LABEL: @floordivs
func.func @floordivs() -> index {
%0 = index.constant -5
%1 = index.constant 2
// CHECK: %[[A:.*]] = index.constant -3
%2 = index.floordivs %0, %1
// CHECK: return %[[A]]
return %2 : index
}
// CHECK-LABEL: @floordivs_edge
func.func @floordivs_edge() -> (index, index) {
%cIntMin = index.constant -2147483648
%cIntMax = index.constant 2147483647
%n1 = index.constant -1
%p1 = index.constant 1
// CHECK-DAG: %[[A:.*]] = index.constant -2147483648
// CHECK-DAG: %[[B:.*]] = index.constant -2147483647
%0 = index.floordivs %cIntMin, %p1
%1 = index.floordivs %cIntMax, %n1
// CHECK: return %[[A]], %[[B]]
return %0, %1 : index, index
}
// CHECK-LABEL: @floordivs_nofold
func.func @floordivs_nofold() -> index {
%lhs = index.constant 0x100000000
%c2 = index.constant 2
// 32-bit result differs from 64-bit.
// CHECK: index.floordivs
%0 = index.floordivs %lhs, %c2
return %0 : index
}
// CHECK-LABEL: @rems_zerodiv_nofold
func.func @rems_zerodiv_nofold() -> index {
%lhs = index.constant 2
%rhs = index.constant 0
// CHECK: index.rems
%0 = index.rems %lhs, %rhs
return %0 : index
}
// CHECK-LABEL: @remu_zerodiv_nofold
func.func @remu_zerodiv_nofold() -> index {
%lhs = index.constant 2
%rhs = index.constant 0
// CHECK: index.remu
%0 = index.remu %lhs, %rhs
return %0 : index
}
// CHECK-LABEL: @rems
func.func @rems() -> index {
%lhs = index.constant -5
%rhs = index.constant 2
// CHECK: %[[A:.*]] = index.constant -1
%0 = index.rems %lhs, %rhs
// CHECK: return %[[A]]
return %0 : index
}
// CHECK-LABEL: @rems_nofold
func.func @rems_nofold() -> index {
%lhs = index.constant 2
%rhs = index.constant 0x100000001
// 32-bit result differs from 64-bit.
// CHECK: index.rems
%0 = index.rems %lhs, %rhs
return %0 : index
}
// CHECK-LABEL: @remu
func.func @remu() -> index {
%lhs = index.constant 2
%rhs = index.constant -1
// CHECK: %[[A:.*]] = index.constant 2
%0 = index.remu %lhs, %rhs
// CHECK: return %[[A]]
return %0 : index
}
// CHECK-LABEL: @remu_nofold
func.func @remu_nofold() -> index {
%lhs = index.constant 2
%rhs = index.constant 0x100000001
// 32-bit result differs from 64-bit.
// CHECK: index.remu
%0 = index.remu %lhs, %rhs
return %0 : index
}
// CHECK-LABEL: @maxs
func.func @maxs() -> index {
%lhs = index.constant -4
%rhs = index.constant 2
// CHECK: %[[A:.*]] = index.constant 2
%0 = index.maxs %lhs, %rhs
// CHECK: return %[[A]]
return %0 : index
}
// CHECK-LABEL: @maxs_nofold
func.func @maxs_nofold() -> index {
%lhs = index.constant 1
%rhs = index.constant 0x100000000
// 32-bit result differs from 64-bit.
// CHECK: index.maxs
%0 = index.maxs %lhs, %rhs
return %0 : index
}
// CHECK-LABEL: @maxs_edge
func.func @maxs_edge() -> index {
%lhs = index.constant 1
%rhs = index.constant 0x100000001
// Truncated 64-bit result is the same as 32-bit.
// CHECK: %[[A:.*]] = index.constant 429{{[0-9]+}}
%0 = index.maxs %lhs, %rhs
// CHECK: return %[[A]]
return %0 : index
}
// CHECK-LABEL: @maxu
func.func @maxu() -> index {
%lhs = index.constant -1
%rhs = index.constant 1
// CHECK: %[[A:.*]] = index.constant -1
%0 = index.maxu %lhs, %rhs
// CHECK: return %[[A]]
return %0 : index
}
// CHECK-LABEL: @mins
func.func @mins() -> index {
%lhs = index.constant -4
%rhs = index.constant 2
// CHECK: %[[A:.*]] = index.constant -4
%0 = index.mins %lhs, %rhs
// CHECK: return %[[A]]
return %0 : index
}
// CHECK-LABEL: @mins_nofold
func.func @mins_nofold() -> index {
%lhs = index.constant 1
%rhs = index.constant 0x100000000
// 32-bit result differs from 64-bit.
// CHECK: index.mins
%0 = index.mins %lhs, %rhs
return %0 : index
}
// CHECK-LABEL: @mins_nofold_2
func.func @mins_nofold_2() -> index {
%lhs = index.constant 0x7fffffff
%rhs = index.constant 0x80000000
// 32-bit result differs from 64-bit.
// CHECK: index.mins
%0 = index.mins %lhs, %rhs
return %0 : index
}
// CHECK-LABEL: @minu
func.func @minu() -> index {
%lhs = index.constant -1
%rhs = index.constant 1
// CHECK: %[[A:.*]] = index.constant 1
%0 = index.minu %lhs, %rhs
// CHECK: return %[[A]]
return %0 : index
}
// CHECK-LABEL: @shl
func.func @shl() -> index {
%lhs = index.constant 128
%rhs = index.constant 2
// CHECK: %[[A:.*]] = index.constant 512
%0 = index.shl %lhs, %rhs
// CHECK: return %[[A]]
return %0 : index
}
// CHECK-LABEL: @shl_32
func.func @shl_32() -> index {
%lhs = index.constant 1
%rhs = index.constant 32
// CHECK: index.shl
%0 = index.shl %lhs, %rhs
return %0 : index
}
// CHECK-LABEL: @shl_edge
func.func @shl_edge() -> index {
%lhs = index.constant 4000000000
%rhs = index.constant 31
// CHECK: %[[A:.*]] = index.constant 858{{[0-9]+}}
%0 = index.shl %lhs, %rhs
// CHECK: return %[[A]]
return %0 : index
}
// CHECK-LABEL: @shrs
func.func @shrs() -> index {
%lhs = index.constant 128
%rhs = index.constant 2
// CHECK: %[[A:.*]] = index.constant 32
%0 = index.shrs %lhs, %rhs
// CHECK: return %[[A]]
return %0 : index
}
// CHECK-LABEL: @shrs_32
func.func @shrs_32() -> index {
%lhs = index.constant 4000000000000
%rhs = index.constant 32
// CHECK: index.shrs
%0 = index.shrs %lhs, %rhs
return %0 : index
}
// CHECK-LABEL: @shrs_nofold
func.func @shrs_nofold() -> index {
%lhs = index.constant 0x100000000
%rhs = index.constant 1
// CHECK: index.shrs
%0 = index.shrs %lhs, %rhs
return %0 : index
}
// CHECK-LABEL: @shrs_edge
func.func @shrs_edge() -> index {
%lhs = index.constant 0x10000000000
%rhs = index.constant 3
// CHECK: %[[A:.*]] = index.constant 137{{[0-9]+}}
%0 = index.shrs %lhs, %rhs
// CHECK: return %[[A]]
return %0 : index
}
// CHECK-LABEL: @shru
func.func @shru() -> index {
%lhs = index.constant 128
%rhs = index.constant 2
// CHECK: %[[A:.*]] = index.constant 32
%0 = index.shru %lhs, %rhs
// CHECK: return %[[A]]
return %0 : index
}
// CHECK-LABEL: @shru_32
func.func @shru_32() -> index {
%lhs = index.constant 4000000000000
%rhs = index.constant 32
// CHECK: index.shru
%0 = index.shru %lhs, %rhs
return %0 : index
}
// CHECK-LABEL: @shru_nofold
func.func @shru_nofold() -> index {
%lhs = index.constant 0x100000000
%rhs = index.constant 1
// CHECK: index.shru
%0 = index.shru %lhs, %rhs
return %0 : index
}
// CHECK-LABEL: @shru_edge
func.func @shru_edge() -> index {
%lhs = index.constant 0x10000000000
%rhs = index.constant 3
// CHECK: %[[A:.*]] = index.constant 137{{[0-9]+}}
%0 = index.shru %lhs, %rhs
// CHECK: return %[[A]]
return %0 : index
}
// CHECK-LABEL: @and
func.func @and() -> index {
%lhs = index.constant 5
%rhs = index.constant 1
// CHECK: %[[A:.*]] = index.constant 1
%0 = index.and %lhs, %rhs
// CHECK: return %[[A]]
return %0 : index
}
// CHECK-LABEL: @or
func.func @or() -> index {
%lhs = index.constant 5
%rhs = index.constant 2
// CHECK: %[[A:.*]] = index.constant 7
%0 = index.or %lhs, %rhs
// CHECK: return %[[A]]
return %0 : index
}
// CHECK-LABEL: @xor
func.func @xor() -> index {
%lhs = index.constant 5
%rhs = index.constant 1
// CHECK: %[[A:.*]] = index.constant 4
%0 = index.xor %lhs, %rhs
// CHECK: return %[[A]]
return %0 : index
}
// CHECK-LABEL: @cmp
func.func @cmp() -> (i1, i1, i1, i1) {
%a = index.constant 0
%b = index.constant -1
%c = index.constant -2
%d = index.constant 4
%0 = index.cmp slt(%a, %b)
%1 = index.cmp ugt(%b, %a)
%2 = index.cmp ne(%d, %a)
%3 = index.cmp sgt(%b, %a)
// CHECK-DAG: %[[TRUE:.*]] = index.bool.constant true
// CHECK-DAG: %[[FALSE:.*]] = index.bool.constant false
// CHECK: return %[[FALSE]], %[[TRUE]], %[[TRUE]], %[[FALSE]]
return %0, %1, %2, %3 : i1, i1, i1, i1
}
// CHECK-LABEL: @cmp_nofold
func.func @cmp_nofold() -> i1 {
%lhs = index.constant 1
%rhs = index.constant 0x100000000
// 32-bit result differs from 64-bit.
// CHECK: index.cmp slt
%0 = index.cmp slt(%lhs, %rhs)
return %0 : i1
}
// CHECK-LABEL: @cmp_edge
func.func @cmp_edge() -> i1 {
%lhs = index.constant 1
%rhs = index.constant 0x100000002
// 64-bit result is the same as 32-bit.
// CHECK: %[[TRUE:.*]] = index.bool.constant true
%0 = index.cmp slt(%lhs, %rhs)
// CHECK: return %[[TRUE]]
return %0 : i1
}
// CHECK-LABEL: @cmp_maxs
func.func @cmp_maxs(%arg0: index) -> (i1, i1) {
%idx0 = index.constant 0
%idx1 = index.constant 1
%0 = index.maxs %arg0, %idx1
%1 = index.cmp sgt(%0, %idx0)
%2 = index.cmp eq(%0, %idx0)
// CHECK: return %true, %false
return %1, %2 : i1, i1
}
// CHECK-LABEL: @mul_identity
func.func @mul_identity(%arg0: index) -> (index, index) {
%idx0 = index.constant 0
%idx1 = index.constant 1
%0 = index.mul %arg0, %idx0
%1 = index.mul %arg0, %idx1
// CHECK: return %idx0, %arg0
return %0, %1 : index, index
}
// CHECK-LABEL: @add_identity
func.func @add_identity(%arg0: index) -> index {
%idx0 = index.constant 0
%0 = index.add %arg0, %idx0
// CHECK-NEXT: return %arg0
return %0 : index
}
// CHECK-LABEL: @sub_identity
func.func @sub_identity(%arg0: index) -> index {
%idx0 = index.constant 0
%0 = index.sub %arg0, %idx0
// CHECK-NEXT: return %arg0
return %0 : index
}
|
