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// Copyright 2023 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "src/tint/lang/core/ir/transform/rename_conflicts.h"
#include <string>
#include <utility>
#include "gtest/gtest.h"
#include "src/tint/lang/core/ir/builder.h"
#include "src/tint/lang/core/ir/disassembly.h"
#include "src/tint/lang/core/ir/validator.h"
#include "src/tint/lang/core/type/matrix.h"
namespace tint::core::ir::transform {
namespace {
using namespace tint::core::fluent_types; // NOLINT
using namespace tint::core::number_suffixes; // NOLINT
class IRToProgramRenameConflictsTest : public testing::Test {
public:
/// Transforms the module, using the transforms `TRANSFORMS`.
void Run() {
// Validate the input IR.
{
auto res = core::ir::Validate(mod);
EXPECT_EQ(res, Success);
if (res != Success) {
return;
}
}
// Run the transforms.
auto result = RenameConflicts(mod);
EXPECT_EQ(result, Success);
// Validate the output IR.
auto res = core::ir::Validate(mod);
EXPECT_EQ(res, Success);
}
/// @returns the transformed module as a disassembled string
std::string str() { return "\n" + core::ir::Disassemble(mod).Plain(); }
protected:
/// The test IR module.
core::ir::Module mod;
/// The test IR builder.
core::ir::Builder b{mod};
/// The type manager.
core::type::Manager& ty{mod.Types()};
};
TEST_F(IRToProgramRenameConflictsTest, NoModify_SingleNamedRootBlockVar) {
b.Append(mod.root_block, [&] { b.ir.SetName(b.Var(ty.ptr<private_, i32>()), "v"); });
auto* src = R"(
$B1: { # root
%v:ptr<private, i32, read_write> = var
}
)";
EXPECT_EQ(src, str());
auto* expect = src;
Run();
EXPECT_EQ(expect, str());
}
TEST_F(IRToProgramRenameConflictsTest, Conflict_TwoRootBlockVarsWithSameName) {
b.Append(mod.root_block, [&] {
b.ir.SetName(b.Var(ty.ptr<private_, i32>()), "v");
b.ir.SetName(b.Var(ty.ptr<private_, u32>()), "v");
});
auto* src = R"(
$B1: { # root
%v:ptr<private, i32, read_write> = var
%v_1:ptr<private, u32, read_write> = var # %v_1: 'v'
}
)";
EXPECT_EQ(src, str());
auto* expect = R"(
$B1: { # root
%v:ptr<private, i32, read_write> = var
%v_1:ptr<private, u32, read_write> = var
}
)";
Run();
EXPECT_EQ(expect, str());
}
TEST_F(IRToProgramRenameConflictsTest, Conflict_RootBlockVarAndStructWithSameName) {
auto* s = ty.Struct(b.ir.symbols.New("v"), {{b.ir.symbols.New("x"), ty.i32()}});
b.Append(mod.root_block, [&] { b.ir.SetName(b.Var(ty.ptr(function, s)), "v"); });
auto* src = R"(
v = struct @align(4) {
x:i32 @offset(0)
}
$B1: { # root
%v:ptr<function, v, read_write> = var
}
)";
EXPECT_EQ(src, str());
auto* expect = R"(
v = struct @align(4) {
x:i32 @offset(0)
}
$B1: { # root
%v_1:ptr<function, v, read_write> = var
}
)";
Run();
EXPECT_EQ(expect, str());
}
TEST_F(IRToProgramRenameConflictsTest, Conflict_RootBlockVarAndFnWithSameName) {
b.Append(mod.root_block, [&] { b.ir.SetName(b.Var(ty.ptr<private_, i32>()), "v"); });
auto* fn = b.Function("v", ty.void_());
b.Append(fn->Block(), [&] { b.Return(fn); });
auto* src = R"(
$B1: { # root
%v:ptr<private, i32, read_write> = var
}
%v_1 = func():void { # %v_1: 'v'
$B2: {
ret
}
}
)";
EXPECT_EQ(src, str());
auto* expect = R"(
$B1: { # root
%v:ptr<private, i32, read_write> = var
}
%v_1 = func():void {
$B2: {
ret
}
}
)";
Run();
EXPECT_EQ(expect, str());
}
TEST_F(IRToProgramRenameConflictsTest, NoModify_RootBlockVar_ShadowedBy_FnVar) {
b.Append(mod.root_block, [&] {
auto* outer = b.Var(ty.ptr<private_, i32>());
b.ir.SetName(outer, "v");
auto* fn = b.Function("f", ty.i32());
b.Append(fn->Block(), [&] {
auto* load_outer = b.Load(outer);
auto* inner = b.Var(ty.ptr<function, i32>());
b.ir.SetName(inner, "v");
auto* load_inner = b.Load(inner);
b.Return(fn, b.Add(ty.i32(), load_outer, load_inner));
});
});
auto* src = R"(
$B1: { # root
%v:ptr<private, i32, read_write> = var
}
%f = func():i32 {
$B2: {
%3:i32 = load %v
%v_1:ptr<function, i32, read_write> = var # %v_1: 'v'
%5:i32 = load %v_1
%6:i32 = add %3, %5
ret %6
}
}
)";
EXPECT_EQ(src, str());
auto* expect = src;
Run();
EXPECT_EQ(expect, str());
}
TEST_F(IRToProgramRenameConflictsTest, Conflict_RootBlockVar_ShadowedBy_FnVar) {
b.Append(mod.root_block, [&] {
auto* outer = b.Var(ty.ptr<private_, i32>());
b.ir.SetName(outer, "v");
auto* fn = b.Function("f", ty.i32());
b.Append(fn->Block(), [&] {
auto* inner = b.Var(ty.ptr<function, i32>());
b.ir.SetName(inner, "v");
auto* load_outer = b.Load(outer);
auto* load_inner = b.Load(inner);
b.Return(fn, b.Add(ty.i32(), load_outer, load_inner));
});
});
auto* src = R"(
$B1: { # root
%v:ptr<private, i32, read_write> = var
}
%f = func():i32 {
$B2: {
%v_1:ptr<function, i32, read_write> = var # %v_1: 'v'
%4:i32 = load %v
%5:i32 = load %v_1
%6:i32 = add %4, %5
ret %6
}
}
)";
EXPECT_EQ(src, str());
auto* expect = R"(
$B1: { # root
%v:ptr<private, i32, read_write> = var
}
%f = func():i32 {
$B2: {
%v_1:ptr<function, i32, read_write> = var
%4:i32 = load %v
%5:i32 = load %v_1
%6:i32 = add %4, %5
ret %6
}
}
)";
Run();
EXPECT_EQ(expect, str());
}
TEST_F(IRToProgramRenameConflictsTest, NoModify_FnVar_ShadowedBy_IfVar) {
auto* fn = b.Function("f", ty.i32());
b.Append(fn->Block(), [&] {
auto* outer = b.Var(ty.ptr<function, i32>());
b.ir.SetName(outer, "v");
auto* if_ = b.If(true);
b.Append(if_->True(), [&] {
auto* load_outer = b.Load(outer);
auto* inner = b.Var(ty.ptr<function, i32>());
b.ir.SetName(inner, "v");
auto* load_inner = b.Load(inner);
b.Return(fn, b.Add(ty.i32(), load_outer, load_inner));
});
b.Unreachable();
});
auto* src = R"(
%f = func():i32 {
$B1: {
%v:ptr<function, i32, read_write> = var
if true [t: $B2] { # if_1
$B2: { # true
%3:i32 = load %v
%v_1:ptr<function, i32, read_write> = var # %v_1: 'v'
%5:i32 = load %v_1
%6:i32 = add %3, %5
ret %6
}
}
unreachable
}
}
)";
EXPECT_EQ(src, str());
auto* expect = src;
Run();
EXPECT_EQ(expect, str());
}
TEST_F(IRToProgramRenameConflictsTest, Conflict_FnVar_ShadowedBy_IfVar) {
auto* fn = b.Function("f", ty.i32());
b.Append(fn->Block(), [&] {
auto* outer = b.Var(ty.ptr<function, i32>());
b.ir.SetName(outer, "v");
auto* if_ = b.If(true);
b.Append(if_->True(), [&] {
auto* inner = b.Var(ty.ptr<function, i32>());
b.ir.SetName(inner, "v");
auto* load_outer = b.Load(outer);
auto* load_inner = b.Load(inner);
b.Return(fn, b.Add(ty.i32(), load_outer, load_inner));
});
b.Unreachable();
});
auto* src = R"(
%f = func():i32 {
$B1: {
%v:ptr<function, i32, read_write> = var
if true [t: $B2] { # if_1
$B2: { # true
%v_1:ptr<function, i32, read_write> = var # %v_1: 'v'
%4:i32 = load %v
%5:i32 = load %v_1
%6:i32 = add %4, %5
ret %6
}
}
unreachable
}
}
)";
EXPECT_EQ(src, str());
auto* expect = R"(
%f = func():i32 {
$B1: {
%v:ptr<function, i32, read_write> = var
if true [t: $B2] { # if_1
$B2: { # true
%v_1:ptr<function, i32, read_write> = var
%4:i32 = load %v
%5:i32 = load %v_1
%6:i32 = add %4, %5
ret %6
}
}
unreachable
}
}
)";
Run();
EXPECT_EQ(expect, str());
}
TEST_F(IRToProgramRenameConflictsTest, NoModify_LoopInitVar_ShadowedBy_LoopBodyVar) {
auto* fn = b.Function("f", ty.i32());
b.Append(fn->Block(), [&] {
auto* loop = b.Loop();
b.Append(loop->Initializer(), [&] {
auto* outer = b.Var(ty.ptr<function, i32>());
b.ir.SetName(outer, "v");
b.NextIteration(loop);
b.Append(loop->Body(), [&] {
auto* load_outer = b.Load(outer);
auto* inner = b.Var(ty.ptr<function, i32>());
b.ir.SetName(inner, "v");
auto* load_inner = b.Load(inner);
b.Return(fn, b.Add(ty.i32(), load_outer, load_inner));
});
});
b.Unreachable();
});
auto* src = R"(
%f = func():i32 {
$B1: {
loop [i: $B2, b: $B3] { # loop_1
$B2: { # initializer
%v:ptr<function, i32, read_write> = var
next_iteration # -> $B3
}
$B3: { # body
%3:i32 = load %v
%v_1:ptr<function, i32, read_write> = var # %v_1: 'v'
%5:i32 = load %v_1
%6:i32 = add %3, %5
ret %6
}
}
unreachable
}
}
)";
EXPECT_EQ(src, str());
auto* expect = src;
Run();
EXPECT_EQ(expect, str());
}
TEST_F(IRToProgramRenameConflictsTest, Conflict_LoopInitVar_ShadowedBy_LoopBodyVar) {
auto* fn = b.Function("f", ty.i32());
b.Append(fn->Block(), [&] {
auto* loop = b.Loop();
b.Append(loop->Initializer(), [&] {
auto* outer = b.Var(ty.ptr<function, i32>());
b.ir.SetName(outer, "v");
b.NextIteration(loop);
b.Append(loop->Body(), [&] {
auto* inner = b.Var(ty.ptr<function, i32>());
b.ir.SetName(inner, "v");
auto* load_outer = b.Load(outer);
auto* load_inner = b.Load(inner);
b.Return(fn, b.Add(ty.i32(), load_outer, load_inner));
});
});
b.Unreachable();
});
auto* src = R"(
%f = func():i32 {
$B1: {
loop [i: $B2, b: $B3] { # loop_1
$B2: { # initializer
%v:ptr<function, i32, read_write> = var
next_iteration # -> $B3
}
$B3: { # body
%v_1:ptr<function, i32, read_write> = var # %v_1: 'v'
%4:i32 = load %v
%5:i32 = load %v_1
%6:i32 = add %4, %5
ret %6
}
}
unreachable
}
}
)";
EXPECT_EQ(src, str());
auto* expect = R"(
%f = func():i32 {
$B1: {
loop [i: $B2, b: $B3] { # loop_1
$B2: { # initializer
%v:ptr<function, i32, read_write> = var
next_iteration # -> $B3
}
$B3: { # body
%v_1:ptr<function, i32, read_write> = var
%4:i32 = load %v
%5:i32 = load %v_1
%6:i32 = add %4, %5
ret %6
}
}
unreachable
}
}
)";
Run();
EXPECT_EQ(expect, str());
}
TEST_F(IRToProgramRenameConflictsTest, NoModify_LoopBodyVar_ShadowedBy_LoopContVar) {
auto* fn = b.Function("f", ty.i32());
b.Append(fn->Block(), [&] {
auto* loop = b.Loop();
b.Append(loop->Initializer(), [&] { b.NextIteration(loop); });
b.Append(loop->Body(), [&] {
auto* outer = b.Var(ty.ptr<function, i32>());
b.ir.SetName(outer, "v");
b.Continue(loop);
b.Append(loop->Continuing(), [&] {
auto* load_outer = b.Load(outer);
auto* inner = b.Var(ty.ptr<function, i32>());
b.ir.SetName(inner, "v");
auto* load_inner = b.Load(inner);
b.Return(fn, b.Add(ty.i32(), load_outer, load_inner));
});
});
b.Unreachable();
});
auto* src = R"(
%f = func():i32 {
$B1: {
loop [i: $B2, b: $B3, c: $B4] { # loop_1
$B2: { # initializer
next_iteration # -> $B3
}
$B3: { # body
%v:ptr<function, i32, read_write> = var
continue # -> $B4
}
$B4: { # continuing
%3:i32 = load %v
%v_1:ptr<function, i32, read_write> = var # %v_1: 'v'
%5:i32 = load %v_1
%6:i32 = add %3, %5
ret %6
}
}
unreachable
}
}
)";
EXPECT_EQ(src, str());
auto* expect = src;
Run();
EXPECT_EQ(expect, str());
}
TEST_F(IRToProgramRenameConflictsTest, Conflict_LoopBodyVar_ShadowedBy_LoopContVar) {
auto* fn = b.Function("f", ty.i32());
b.Append(fn->Block(), [&] {
auto* loop = b.Loop();
b.Append(loop->Initializer(), [&] { b.NextIteration(loop); });
b.Append(loop->Body(), [&] {
auto* outer = b.Var(ty.ptr<function, i32>());
b.ir.SetName(outer, "v");
b.Continue(loop);
b.Append(loop->Continuing(), [&] {
auto* inner = b.Var(ty.ptr<function, i32>());
b.ir.SetName(inner, "v");
auto* load_outer = b.Load(outer);
auto* load_inner = b.Load(inner);
b.Return(fn, b.Add(ty.i32(), load_outer, load_inner));
});
});
b.Unreachable();
});
auto* src = R"(
%f = func():i32 {
$B1: {
loop [i: $B2, b: $B3, c: $B4] { # loop_1
$B2: { # initializer
next_iteration # -> $B3
}
$B3: { # body
%v:ptr<function, i32, read_write> = var
continue # -> $B4
}
$B4: { # continuing
%v_1:ptr<function, i32, read_write> = var # %v_1: 'v'
%4:i32 = load %v
%5:i32 = load %v_1
%6:i32 = add %4, %5
ret %6
}
}
unreachable
}
}
)";
EXPECT_EQ(src, str());
auto* expect = R"(
%f = func():i32 {
$B1: {
loop [i: $B2, b: $B3, c: $B4] { # loop_1
$B2: { # initializer
next_iteration # -> $B3
}
$B3: { # body
%v:ptr<function, i32, read_write> = var
continue # -> $B4
}
$B4: { # continuing
%v_1:ptr<function, i32, read_write> = var
%4:i32 = load %v
%5:i32 = load %v_1
%6:i32 = add %4, %5
ret %6
}
}
unreachable
}
}
)";
Run();
EXPECT_EQ(expect, str());
}
TEST_F(IRToProgramRenameConflictsTest, Conflict_BuiltinScalar_ShadowedBy_Param) {
auto* fn = b.Function("f", ty.void_());
auto* p = b.FunctionParam(ty.i32());
b.ir.SetName(p, "i32");
fn->SetParams({p});
b.Append(fn->Block(), [&] {
b.Var(ty.ptr<function, i32>());
b.Return(fn);
});
auto* src = R"(
%f = func(%i32:i32):void {
$B1: {
%3:ptr<function, i32, read_write> = var
ret
}
}
)";
EXPECT_EQ(src, str());
auto* expect = R"(
%f = func(%i32_1:i32):void {
$B1: {
%3:ptr<function, i32, read_write> = var
ret
}
}
)";
Run();
EXPECT_EQ(expect, str());
}
TEST_F(IRToProgramRenameConflictsTest, NoModify_BuiltinVector_ShadowedBy_Param) {
auto* fn = b.Function("f", ty.void_());
auto* p = b.FunctionParam(ty.i32());
b.ir.SetName(p, "vec2");
fn->SetParams({p});
b.Append(fn->Block(), [&] {
b.Var(ty.ptr<function, vec3<i32>>());
b.Return(fn);
});
auto* src = R"(
%f = func(%vec2:i32):void {
$B1: {
%3:ptr<function, vec3<i32>, read_write> = var
ret
}
}
)";
EXPECT_EQ(src, str());
auto* expect = src;
Run();
EXPECT_EQ(expect, str());
}
TEST_F(IRToProgramRenameConflictsTest, Conflict_BuiltinVector_ShadowedBy_Param) {
auto* fn = b.Function("f", ty.void_());
auto* p = b.FunctionParam(ty.i32());
b.ir.SetName(p, "vec3");
fn->SetParams({p});
b.Append(fn->Block(), [&] {
b.Var(ty.ptr<function, vec3<i32>>());
b.Return(fn);
});
auto* src = R"(
%f = func(%vec3:i32):void {
$B1: {
%3:ptr<function, vec3<i32>, read_write> = var
ret
}
}
)";
EXPECT_EQ(src, str());
auto* expect = R"(
%f = func(%vec3_1:i32):void {
$B1: {
%3:ptr<function, vec3<i32>, read_write> = var
ret
}
}
)";
Run();
EXPECT_EQ(expect, str());
}
TEST_F(IRToProgramRenameConflictsTest, NoModify_BuiltinMatrix_ShadowedBy_Param) {
auto* fn = b.Function("f", ty.void_());
auto* p = b.FunctionParam(ty.i32());
b.ir.SetName(p, "mat3x2");
fn->SetParams({p});
b.Append(fn->Block(), [&] {
b.Var(ty.ptr<function, mat2x4<f32>>());
b.Return(fn);
});
auto* src = R"(
%f = func(%mat3x2:i32):void {
$B1: {
%3:ptr<function, mat2x4<f32>, read_write> = var
ret
}
}
)";
EXPECT_EQ(src, str());
auto* expect = src;
Run();
EXPECT_EQ(expect, str());
}
TEST_F(IRToProgramRenameConflictsTest, Conflict_BuiltinMatrix_ShadowedBy_Param) {
auto* fn = b.Function("f", ty.void_());
auto* p = b.FunctionParam(ty.i32());
b.ir.SetName(p, "mat2x4");
fn->SetParams({p});
b.Append(fn->Block(), [&] {
b.Var(ty.ptr<function, mat2x4<f32>>());
b.Return(fn);
});
auto* src = R"(
%f = func(%mat2x4:i32):void {
$B1: {
%3:ptr<function, mat2x4<f32>, read_write> = var
ret
}
}
)";
EXPECT_EQ(src, str());
auto* expect = R"(
%f = func(%mat2x4_1:i32):void {
$B1: {
%3:ptr<function, mat2x4<f32>, read_write> = var
ret
}
}
)";
Run();
EXPECT_EQ(expect, str());
}
TEST_F(IRToProgramRenameConflictsTest, NoModify_BuiltinScalar_ShadowedBy_FnVar) {
auto* fn = b.Function("f", ty.i32());
b.Append(fn->Block(), [&] {
auto* v = b.Var(ty.ptr<function, i32>());
b.ir.SetName(v, "f32");
b.Return(fn, b.Construct(ty.i32()));
});
auto* src = R"(
%f = func():i32 {
$B1: {
%f32:ptr<function, i32, read_write> = var
%3:i32 = construct
ret %3
}
}
)";
EXPECT_EQ(src, str());
auto* expect = src;
Run();
EXPECT_EQ(expect, str());
}
TEST_F(IRToProgramRenameConflictsTest, Conflict_BuiltinScalar_ShadowedBy_FnVar) {
auto* fn = b.Function("f", ty.i32());
b.Append(fn->Block(), [&] {
auto* v = b.Var(ty.ptr<function, i32>());
b.ir.SetName(v, "i32");
b.Return(fn, b.Construct(ty.i32()));
});
auto* src = R"(
%f = func():i32 {
$B1: {
%i32:ptr<function, i32, read_write> = var
%3:i32 = construct
ret %3
}
}
)";
EXPECT_EQ(src, str());
auto* expect = R"(
%f = func():i32 {
$B1: {
%i32_1:ptr<function, i32, read_write> = var
%3:i32 = construct
ret %3
}
}
)";
Run();
EXPECT_EQ(expect, str());
}
TEST_F(IRToProgramRenameConflictsTest, NoModify_BuiltinScalar_ShadowedBy_NamedInst) {
auto* fn = b.Function("f", ty.i32());
b.Append(fn->Block(), [&] {
auto* i = b.Add(ty.i32(), 1_i, 2_i);
b.ir.SetName(i, "i32");
b.Return(fn, i);
});
auto* src = R"(
%f = func():i32 {
$B1: {
%i32:i32 = add 1i, 2i
ret %i32
}
}
)";
EXPECT_EQ(src, str());
auto* expect = src;
Run();
EXPECT_EQ(expect, str());
}
TEST_F(IRToProgramRenameConflictsTest, Conflict_BuiltinScalar_ShadowedBy_NamedInst) {
auto* fn = b.Function("f", ty.f32());
b.Append(fn->Block(), [&] {
auto* i = b.Add(ty.i32(), 1_i, 2_i);
b.ir.SetName(i, "f32");
b.Return(fn, b.Construct(ty.f32(), i));
});
auto* src = R"(
%f = func():f32 {
$B1: {
%f32:i32 = add 1i, 2i
%3:f32 = construct %f32
ret %3
}
}
)";
EXPECT_EQ(src, str());
auto* expect = R"(
%f = func():f32 {
$B1: {
%f32_1:i32 = add 1i, 2i
%3:f32 = construct %f32_1
ret %3
}
}
)";
Run();
EXPECT_EQ(expect, str());
}
TEST_F(IRToProgramRenameConflictsTest, NoModify_BuiltinAddressSpace_ShadowedBy_RootBlockVar) {
b.Append(mod.root_block, [&] { //
b.ir.SetName(b.Var(ty.ptr<private_, i32>()), "function");
});
auto* src = R"(
$B1: { # root
%function:ptr<private, i32, read_write> = var
}
)";
EXPECT_EQ(src, str());
auto* expect = src;
Run();
EXPECT_EQ(expect, str());
}
TEST_F(IRToProgramRenameConflictsTest, Conflict_BuiltinAddressSpace_ShadowedBy_RootBlockVar) {
b.Append(mod.root_block, [&] { //
b.ir.SetName(b.Var(ty.ptr<private_, i32>()), "private");
});
auto* src = R"(
$B1: { # root
%private:ptr<private, i32, read_write> = var
}
)";
EXPECT_EQ(src, str());
auto* expect = R"(
$B1: { # root
%private_1:ptr<private, i32, read_write> = var
}
)";
Run();
EXPECT_EQ(expect, str());
}
TEST_F(IRToProgramRenameConflictsTest, NoModify_BuiltinAccess_ShadowedBy_RootBlockVar) {
b.Append(mod.root_block, [&] { //
b.ir.SetName(b.Var(ty.ptr<private_, i32>()), "read");
});
auto* src = R"(
$B1: { # root
%read:ptr<private, i32, read_write> = var
}
)";
EXPECT_EQ(src, str());
auto* expect = src;
Run();
EXPECT_EQ(expect, str());
}
TEST_F(IRToProgramRenameConflictsTest, Conflict_BuiltinAccess_ShadowedBy_RootBlockVar) {
b.Append(mod.root_block, [&] { //
b.ir.SetName(b.Var(ty.ptr<private_, i32>()), "read_write");
});
auto* src = R"(
$B1: { # root
%read_write:ptr<private, i32, read_write> = var
}
)";
EXPECT_EQ(src, str());
auto* expect = R"(
$B1: { # root
%read_write_1:ptr<private, i32, read_write> = var
}
)";
Run();
EXPECT_EQ(expect, str());
}
TEST_F(IRToProgramRenameConflictsTest, NoModify_BuiltinFn_ShadowedBy_RootBlockVar) {
b.Append(mod.root_block, [&] { //
auto* v = b.Var(ty.ptr<private_, i32>());
b.ir.SetName(v, "min");
});
auto* fn = b.Function("f", ty.i32());
b.Append(fn->Block(), [&] { //
auto* res = b.Call(ty.i32(), core::BuiltinFn::kMax, 1_i, 2_i)->Result(0);
b.Return(fn, res);
});
auto* src = R"(
$B1: { # root
%min:ptr<private, i32, read_write> = var
}
%f = func():i32 {
$B2: {
%3:i32 = max 1i, 2i
ret %3
}
}
)";
EXPECT_EQ(src, str());
auto* expect = src;
Run();
EXPECT_EQ(expect, str());
}
TEST_F(IRToProgramRenameConflictsTest, Conflict_BuiltinFn_ShadowedBy_RootBlockVar) {
b.Append(mod.root_block, [&] { //
auto* v = b.Var(ty.ptr<private_, i32>());
b.ir.SetName(v, "max");
});
auto* fn = b.Function("f", ty.i32());
b.Append(fn->Block(), [&] { //
auto* res = b.Call(ty.i32(), core::BuiltinFn::kMax, 1_i, 2_i)->Result(0);
b.Return(fn, res);
});
auto* src = R"(
$B1: { # root
%max:ptr<private, i32, read_write> = var
}
%f = func():i32 {
$B2: {
%3:i32 = max 1i, 2i
ret %3
}
}
)";
EXPECT_EQ(src, str());
auto* expect = R"(
$B1: { # root
%max_1:ptr<private, i32, read_write> = var
}
%f = func():i32 {
$B2: {
%3:i32 = max 1i, 2i
ret %3
}
}
)";
Run();
EXPECT_EQ(expect, str());
}
TEST_F(IRToProgramRenameConflictsTest, Conflict_StructMember_ShadowedBy_Fn) {
auto* s = ty.Struct(b.ir.symbols.New("s"), {{b.ir.symbols.New("f"), ty.f32()}});
b.Append(mod.root_block, [&] { //
b.Var(ty.ptr<private_>(s));
});
auto* fn = b.Function("f32", ty.void_());
b.Append(fn->Block(), [&] { //
b.Return(fn);
});
auto* src = R"(
s = struct @align(4) {
f:f32 @offset(0)
}
$B1: { # root
%1:ptr<private, s, read_write> = var
}
%f32 = func():void {
$B2: {
ret
}
}
)";
EXPECT_EQ(src, str());
auto* expect = R"(
s = struct @align(4) {
f:f32 @offset(0)
}
$B1: { # root
%1:ptr<private, s, read_write> = var
}
%f32_1 = func():void {
$B2: {
ret
}
}
)";
Run();
EXPECT_EQ(expect, str());
}
} // namespace
} // namespace tint::core::ir::transform