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336 lines
11 KiB
Plaintext
336 lines
11 KiB
Plaintext
// RUN: cir-opt %s -cir-canonicalize -o - | FileCheck %s
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!s8i = !cir.int<s, 8>
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!s32i = !cir.int<s, 32>
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!s64i = !cir.int<s, 64>
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!u8i = !cir.int<u, 8>
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!u32i = !cir.int<u, 32>
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!u64i = !cir.int<u, 64>
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#true = #cir.bool<true> : !cir.bool
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#false = #cir.bool<false> : !cir.bool
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module {
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cir.func @redundant_br() {
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cir.br ^bb1
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^bb1: // pred: ^bb0
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%0 = cir.alloca !u32i, !cir.ptr<!u32i>, ["a", init] {alignment = 4 : i64}
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%1 = cir.const #cir.int<4> : !u32i
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cir.store %1, %0 : !u32i, !cir.ptr<!u32i>
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cir.br ^bb2
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^bb2: // pred: ^bb1
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cir.return
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}
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// CHECK: cir.func{{.*}} @redundant_br() {
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// CHECK-NEXT: %[[A:.*]] = cir.alloca !u32i, !cir.ptr<!u32i>, ["a", init] {alignment = 4 : i64}
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// CHECK-NEXT: %[[FOUR:.*]] = cir.const #cir.int<4> : !u32i
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// CHECK-NEXT: cir.store %[[FOUR]], %[[A]] : !u32i, !cir.ptr<!u32i>
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// CHECK-NEXT: cir.return
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// CHECK-NEXT: }
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cir.func @scope_yield_value_fold() -> !u32i {
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%0 = cir.const #cir.int<7> : !u32i
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%1 = cir.scope {
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cir.yield %0 : !u32i
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} : !u32i
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cir.return %1 : !u32i
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}
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// CHECK: cir.func{{.*}} @scope_yield_value_fold() -> !u32i {
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// CHECK-NEXT: %[[C:.*]] = cir.const #cir.int<7> : !u32i
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// CHECK-NOT: cir.scope
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// CHECK: cir.return %[[C]] : !u32i
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// CHECK-NEXT: }
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cir.func @empty_scope() {
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cir.scope {
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}
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cir.return
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}
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// CHECK: cir.func{{.*}} @empty_scope() {
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// CHECK-NEXT: cir.return
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// CHECK-NEXT: }
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cir.func @dead_switch() {
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%0 = cir.const #cir.int<0> : !s32i
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cir.switch (%0 : !s32i) {
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cir.yield
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}
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cir.return
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}
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// CHECK: cir.func{{.*}} @dead_switch() {
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// CHECK-NOT: %[[Z:.*]] = cir.const #cir.int<0> : !s32i
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// CHECK-NOT: cir.switch
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// CHECK-NEXT: cir.return
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// CHECK-NEXT: }
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cir.func @unary_not_not(%arg0: !cir.bool) -> !cir.bool {
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%0 = cir.not %arg0 : !cir.bool
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%1 = cir.not %0 : !cir.bool
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cir.return %1 : !cir.bool
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}
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// CHECK: cir.func{{.*}} @unary_not_not(%arg0: !cir.bool) -> !cir.bool
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// CHECK-NEXT: cir.return %arg0 : !cir.bool
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cir.func @unary_poison() -> !s32i {
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%0 = cir.const #cir.poison : !s32i
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%1 = cir.inc %0 : !s32i
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cir.return %1 : !s32i
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}
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// CHECK: @unary_poison
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// CHECK-NEXT: %[[P:.+]] = cir.const #cir.poison : !s32i
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// CHECK-NEXT: cir.return %[[P]] : !s32i
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// CHECK-NEXT: }
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cir.func @unary_not_true() -> !cir.bool {
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%0 = cir.const #true
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%1 = cir.not %0 : !cir.bool
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cir.return %1 : !cir.bool
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}
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// CHECK: cir.func{{.*}} @unary_not_true() -> !cir.bool
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// CHECK-NEXT: %[[FALSE:.*]] = cir.const #false
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// CHECK-NEXT: cir.return %[[FALSE]] : !cir.bool
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cir.func @unary_not_false() -> !cir.bool {
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%0 = cir.const #false
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%1 = cir.not %0 : !cir.bool
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cir.return %1 : !cir.bool
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}
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// CHECK: cir.func{{.*}} @unary_not_false() -> !cir.bool
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// CHECK-NEXT: %[[FALSE:.*]] = cir.const #true
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// CHECK-NEXT: cir.return %[[FALSE]] : !cir.bool
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cir.func @unary_not_int() -> !s32i {
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%0 = cir.const #cir.int<1> : !s32i
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%1 = cir.not %0 : !s32i
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cir.return %1 : !s32i
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}
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// CHECK: cir.func{{.*}} @unary_not_int() -> !s32i
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// CHECK-NEXT: %[[CONST:.*]] = cir.const #cir.int<-2> : !s32i
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// CHECK-NEXT: cir.return %[[CONST]] : !s32i
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cir.func @unary_not_uint() -> !u32i {
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%0 = cir.const #cir.int<1> : !u32i
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%1 = cir.not %0 : !u32i
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cir.return %1 : !u32i
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}
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// CHECK: cir.func{{.*}} @unary_not_uint() -> !u32i
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// CHECK-NEXT: %[[CONST:.*]] = cir.const #cir.int<4294967294> : !u32i
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// CHECK-NEXT: cir.return %[[CONST]] : !u32i
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cir.func @unary_minus_true() -> !cir.bool {
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%0 = cir.const #true
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%1 = cir.minus %0 : !cir.bool
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cir.return %1 : !cir.bool
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}
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// CHECK: cir.func{{.*}} @unary_minus_true() -> !cir.bool
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// CHECK-NEXT: %[[CONST:.*]] = cir.const #true
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// CHECK-NEXT: cir.return %[[CONST]] : !cir.bool
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cir.func @unary_minus_false() -> !cir.bool {
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%0 = cir.const #false
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%1 = cir.minus %0 : !cir.bool
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cir.return %1 : !cir.bool
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}
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// CHECK: cir.func{{.*}} @unary_minus_false() -> !cir.bool
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// CHECK-NEXT: %[[CONST:.*]] = cir.const #false
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// CHECK-NEXT: cir.return %[[CONST]] : !cir.bool
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cir.func @unary_minus_int() -> !s32i {
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%0 = cir.const #cir.int<1> : !s32i
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%1 = cir.minus %0 : !s32i
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cir.return %1 : !s32i
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}
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// CHECK: cir.func{{.*}} @unary_minus_int() -> !s32i
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// CHECK-NEXT: %[[CONST:.*]] = cir.const #cir.int<-1> : !s32i
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// CHECK-NEXT: cir.return %[[CONST]] : !s32i
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cir.func @unary_minus_uint() -> !u32i {
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%0 = cir.const #cir.int<1> : !u32i
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%1 = cir.minus %0 : !u32i
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cir.return %1 : !u32i
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}
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// CHECK: cir.func{{.*}} @unary_minus_uint() -> !u32i
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// CHECK-NEXT: %[[CONST:.*]] = cir.const #cir.int<4294967295> : !u32i
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// CHECK-NEXT: cir.return %[[CONST]] : !u32i
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cir.func @unary_minus_float() -> !cir.float {
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%0 = cir.const #cir.fp<1.100000e+00> : !cir.float
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%1 = cir.minus %0 : !cir.float
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cir.return %1 : !cir.float
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}
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// CHECK: cir.func{{.*}} @unary_minus_float() -> !cir.float
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// CHECK-NEXT: %[[CONST:.*]] = cir.const #cir.fp<-1.100000e+00> : !cir.float
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// CHECK-NEXT: cir.return %[[CONST]] : !cir.float
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cir.func @unary_minus_double() -> !cir.double {
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%0 = cir.const #cir.fp<1.100000e+00> : !cir.double
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%1 = cir.minus %0 : !cir.double
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cir.return %1 : !cir.double
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}
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// CHECK: cir.func{{.*}} @unary_minus_double() -> !cir.double
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// CHECK-NEXT: %[[CONST:.*]] = cir.const #cir.fp<-1.100000e+00> : !cir.double
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// CHECK-NEXT: cir.return %[[CONST]] : !cir.double
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cir.func @unary_minus_nan() -> !cir.float {
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%0 = cir.const #cir.fp<0x7F800000> : !cir.float
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%1 = cir.minus %0 : !cir.float
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cir.return %1 : !cir.float
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}
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// CHECK: cir.func{{.*}} @unary_minus_nan() -> !cir.float
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// CHECK-NEXT: %[[CONST:.*]] = cir.const #cir.fp<0xFF800000> : !cir.float
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// CHECK-NEXT: cir.return %[[CONST]] : !cir.float
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cir.func @unary_minus_neg_nan() -> !cir.float {
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%0 = cir.const #cir.fp<0xFF800000> : !cir.float
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%1 = cir.minus %0 : !cir.float
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cir.return %1 : !cir.float
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}
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// CHECK: cir.func{{.*}} @unary_minus_neg_nan() -> !cir.float
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// CHECK-NEXT: %[[CONST:.*]] = cir.const #cir.fp<0x7F800000> : !cir.float
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// CHECK-NEXT: cir.return %[[CONST]] : !cir.float
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cir.func @cast1(%arg0: !cir.bool) -> !cir.bool {
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%0 = cir.cast bool_to_int %arg0 : !cir.bool -> !s32i
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%1 = cir.cast int_to_bool %0 : !s32i -> !cir.bool
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cir.return %1 : !cir.bool
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}
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// CHECK: cir.func{{.*}} @cast1(%[[ARG0:.*]]: !cir.bool) -> !cir.bool
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// CHECK-NEXT: cir.return %[[ARG0]] : !cir.bool
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cir.func @cast2(%arg0: !s32i) -> !cir.bool {
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%0 = cir.cast int_to_bool %arg0 : !s32i -> !cir.bool
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%1 = cir.cast bool_to_int %0 : !cir.bool -> !s32i
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%2 = cir.cast integral %1 : !s32i -> !s64i
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%3 = cir.cast int_to_bool %2 : !s64i -> !cir.bool
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cir.return %3 : !cir.bool
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}
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// CHECK: cir.func{{.*}} @cast2(%[[ARG0:.*]]: !s32i) -> !cir.bool
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// CHECK-NEXT: %[[CAST:.*]] = cir.cast int_to_bool %[[ARG0]] : !s32i -> !cir.bool
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// CHECK-NEXT: cir.return %[[CAST]] : !cir.bool
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cir.func @no_fold_cast(%arg0: !s32i) -> !s64i {
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%0 = cir.cast int_to_bool %arg0 : !s32i -> !cir.bool
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%1 = cir.cast bool_to_int %0 : !cir.bool -> !s32i
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%2 = cir.cast integral %1 : !s32i -> !s64i
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cir.return %2 : !s64i
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}
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// CHECK: cir.func{{.*}} @no_fold_cast(%[[ARG0:.*]]: !s32i) -> !s64i
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// CHECK-NEXT: %[[CAST:.*]] = cir.cast int_to_bool %[[ARG0]] : !s32i -> !cir.bool
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// CHECK-NEXT: %[[CAST2:.*]] = cir.cast bool_to_int %[[CAST]] : !cir.bool -> !s32i
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// CHECK-NEXT: %[[CAST3:.*]] = cir.cast integral %[[CAST2]] : !s32i -> !s64i
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// CHECK-NEXT: cir.return %[[CAST3]] : !s64i
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cir.func @cast_poison() -> !s64i {
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%0 = cir.const #cir.poison : !s32i
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%1 = cir.cast integral %0 : !s32i -> !s64i
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cir.return %1 : !s64i
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}
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// CHECK: @cast_poison
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// CHECK-NEXT: %[[P:.+]] = cir.const #cir.poison : !s64i
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// CHECK-NEXT: cir.return %[[P]] : !s64i
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// CHECK-NEXT: }
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cir.func @cast_s32_s64() -> !s64i {
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%0 = cir.const #cir.int<2> : !s32i
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%1 = cir.cast integral %0 : !s32i -> !s64i
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cir.return %1 : !s64i
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}
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// CHECK: @cast_s32_s64()
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// CHECK-NEXT: %[[P:.+]] = cir.const #cir.int<2> : !s64i
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// CHECK-NEXT: cir.return %[[P]] : !s64i
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// CHECK-NEXT: }
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cir.func @cast_s64_s32() -> !s32i {
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%0 = cir.const #cir.int<2> : !s64i
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%1 = cir.cast integral %0 : !s64i -> !s32i
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cir.return %1 : !s32i
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}
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// CHECK: @cast_s64_s32()
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// CHECK-NEXT: %[[P:.+]] = cir.const #cir.int<2> : !s32i
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// CHECK-NEXT: cir.return %[[P]] : !s32i
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// CHECK-NEXT: }
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cir.func @cast_s32_u32() -> !u32i {
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%0 = cir.const #cir.int<2> : !s32i
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%1 = cir.cast integral %0 : !s32i -> !u32i
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cir.return %1 : !u32i
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}
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// CHECK: @cast_s32_u32()
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// CHECK-NEXT: %[[P:.+]] = cir.const #cir.int<2> : !u32i
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// CHECK-NEXT: cir.return %[[P]] : !u32i
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// CHECK-NEXT: }
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cir.func @cast_u32_s32() -> !s32i {
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%0 = cir.const #cir.int<2> : !u32i
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%1 = cir.cast integral %0 : !u32i -> !s32i
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cir.return %1 : !s32i
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}
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// CHECK: @cast_u32_s32()
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// CHECK-NEXT: %[[P:.+]] = cir.const #cir.int<2> : !s32i
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// CHECK-NEXT: cir.return %[[P]] : !s32i
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// CHECK-NEXT: }
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cir.func @cast_overflow() -> !s8i {
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%0 = cir.const #cir.int<259> : !s32i
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%1 = cir.cast integral %0 : !s32i -> !s8i
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cir.return %1 : !s8i
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}
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// CHECK: @cast_overflow()
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// CHECK-NEXT: %[[P:.+]] = cir.const #cir.int<3> : !s8i
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// CHECK-NEXT: cir.return %[[P]] : !s8i
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// CHECK-NEXT: }
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cir.func @cast_sext_s32_s64() -> !s64i {
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%0 = cir.const #cir.int<-1> : !s32i
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%1 = cir.cast integral %0 : !s32i -> !s64i
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cir.return %1 : !s64i
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}
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// CHECK: @cast_sext_s32_s64()
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// CHECK-NEXT: %[[P:.+]] = cir.const #cir.int<-1> : !s64i
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// CHECK-NEXT: cir.return %[[P]] : !s64i
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// CHECK-NEXT: }
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cir.func @cast_sext_s32_u64() -> !u64i {
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%0 = cir.const #cir.int<-1> : !s32i
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%1 = cir.cast integral %0 : !s32i -> !u64i
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cir.return %1 : !u64i
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}
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// CHECK: @cast_sext_s32_u64()
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// CHECK-NEXT: %[[P:.+]] = cir.const #cir.int<18446744073709551615> : !u64i
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// CHECK-NEXT: cir.return %[[P]] : !u64i
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// CHECK-NEXT: }
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cir.func @cast_sext_twostep_s32_u64() -> !u64i {
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%0 = cir.const #cir.int<-1> : !s32i
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%1 = cir.cast integral %0 : !s32i -> !s64i
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%2 = cir.cast integral %1 : !s64i -> !u64i
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cir.return %2 : !u64i
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}
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// CHECK: @cast_sext_twostep_s32_u64()
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// CHECK-NEXT: %[[P:.+]] = cir.const #cir.int<18446744073709551615> : !u64i
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// CHECK-NEXT: cir.return %[[P]] : !u64i
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// CHECK-NEXT: }
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cir.func @cast_zext_u8_u32() -> !u32i {
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%0 = cir.const #cir.int<255> : !u8i
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%1 = cir.cast integral %0 : !u8i -> !u32i
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cir.return %1 : !u32i
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}
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// CHECK: @cast_zext_u8_u32()
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// CHECK-NEXT: %[[P:.+]] = cir.const #cir.int<255> : !u32i
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// CHECK-NEXT: cir.return %[[P]] : !u32i
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// CHECK-NEXT: }
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cir.func @cast_zext_u8_s32() -> !s32i {
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%0 = cir.const #cir.int<255> : !u8i
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%1 = cir.cast integral %0 : !u8i -> !s32i
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cir.return %1 : !s32i
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}
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// CHECK: @cast_zext_u8_s32()
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// CHECK-NEXT: %[[P:.+]] = cir.const #cir.int<255> : !s32i
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// CHECK-NEXT: cir.return %[[P]] : !s32i
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// CHECK-NEXT: }
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}
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