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Merged
merged 2 commits into from
Jan 18, 2017
Merged

Starting filechecking arithmetic instructions #42

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6e17e80
Starting filechecking arithmetic instructions
CodaFi Jan 18, 2017
7cc5e60
Add integer comparison tests
CodaFi Jan 18, 2017
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2 changes: 1 addition & 1 deletion Sources/LLVM/IRBuilder.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -501,7 +501,7 @@ public class IRBuilder {
case .noSignedWrap:
return LLVMBuildNSWSub(llvm, lhsVal, rhsVal, name)
case .noUnsignedWrap:
return LLVMBuildNSWSub(llvm, lhsVal, rhsVal, name)
return LLVMBuildNUWSub(llvm, lhsVal, rhsVal, name)
case .default:
return LLVMBuildSub(llvm, lhsVal, rhsVal, name)
}
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135 changes: 128 additions & 7 deletions Tests/LLVMTests/IRBuilderSpec.swift
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Expand Up @@ -4,21 +4,142 @@ import Foundation

class IRBuilderSpec : XCTestCase {
func testIRBuilder() {
XCTAssert(fileCheckOutput(of: .stderr) {
// CHECK: ; ModuleID = 'IRBuilderTest'
// CHECK-NEXT: source_filename = "IRBuilderTest"
XCTAssert(fileCheckOutput(of: .stderr, withPrefixes: ["IRBUILDER"]) {
// IRBUILDER: ; ModuleID = 'IRBuilderTest'
// IRBUILDER-NEXT: source_filename = "IRBuilderTest"
let module = Module(name: "IRBuilderTest")
let builder = IRBuilder(module: module)
// CHECK: define void @main() {
// IRBUILDER: define void @main() {
let main = builder.addFunction("main",
type: FunctionType(argTypes: [],
returnType: VoidType()))
// CHECK-NEXT: entry:
// IRBUILDER-NEXT: entry:
let entry = main.appendBasicBlock(named: "entry")
builder.positionAtEnd(of: entry)
// CHECK-NEXT: ret void
// IRBUILDER-NEXT: ret void
builder.buildRetVoid()
// CHECK-NEXT: }
// IRBUILDER-NEXT: }
module.dump()
})

// MARK: Arithmetic Instructions

XCTAssert(fileCheckOutput(of: .stderr, withPrefixes: ["IRBUILDERARITH"]) {
// IRBUILDERARITH: ; ModuleID = 'IRBuilderTest'
// IRBUILDERARITH-NEXT: source_filename = "IRBuilderTest"
let module = Module(name: "IRBuilderTest")
let builder = IRBuilder(module: module)

// IRBUILDERARITH: @a = global i32 1
// IRBUILDERARITH-NEXT: @b = global i32 1
var g1 = builder.addGlobal("a", type: IntType.int32)
g1.initializer = Int32(1)
var g2 = builder.addGlobal("b", type: IntType.int32)
g2.initializer = Int32(1)

// IRBUILDERARITH: define void @main() {
let main = builder.addFunction("main",
type: FunctionType(argTypes: [],
returnType: VoidType()))
// IRBUILDERARITH-NEXT: entry:
let entry = main.appendBasicBlock(named: "entry")
builder.positionAtEnd(of: entry)

// IRBUILDERARITH-NEXT: %0 = load i32, i32* @a
let vg1 = builder.buildLoad(g1)
// IRBUILDERARITH-NEXT: %1 = load i32, i32* @b
let vg2 = builder.buildLoad(g2)

// IRBUILDERARITH-NEXT: %2 = add i32 %0, %1
_ = builder.buildAdd(vg1, vg2)
// IRBUILDERARITH-NEXT: %3 = sub i32 %0, %1
_ = builder.buildSub(vg1, vg2)
// IRBUILDERARITH-NEXT: %4 = mul i32 %0, %1
_ = builder.buildMul(vg1, vg2)
// IRBUILDERARITH-NEXT: %5 = sdiv i32 %0, %1
_ = builder.buildDiv(vg1, vg2, signed: true)
// IRBUILDERARITH-NEXT: %6 = udiv i32 %0, %1
_ = builder.buildDiv(vg1, vg2, signed: false)

// IRBUILDERARITH-NEXT: %7 = add nsw i32 %0, %1
_ = builder.buildAdd(vg1, vg2, overflowBehavior: .noSignedWrap)
// IRBUILDERARITH-NEXT: %8 = sub nsw i32 %0, %1
_ = builder.buildSub(vg1, vg2, overflowBehavior: .noSignedWrap)
// IRBUILDERARITH-NEXT: %9 = mul nsw i32 %0, %1
_ = builder.buildMul(vg1, vg2, overflowBehavior: .noSignedWrap)

// IRBUILDERARITH-NEXT: %10 = add nuw i32 %0, %1
_ = builder.buildAdd(vg1, vg2, overflowBehavior: .noUnsignedWrap)
// IRBUILDERARITH-NEXT: %11 = sub nuw i32 %0, %1
_ = builder.buildSub(vg1, vg2, overflowBehavior: .noUnsignedWrap)
// IRBUILDERARITH-NEXT: %12 = mul nuw i32 %0, %1
_ = builder.buildMul(vg1, vg2, overflowBehavior: .noUnsignedWrap)

// IRBUILDERARITH-NEXT: %13 = sub i32 0, %0
_ = builder.buildNeg(vg1, overflowBehavior: .default)
// IRBUILDERARITH-NEXT: %14 = sub nuw i32 0, %0
_ = builder.buildNeg(vg1, overflowBehavior: .noUnsignedWrap)
// IRBUILDERARITH-NEXT: %15 = sub nsw i32 0, %0
_ = builder.buildNeg(vg1, overflowBehavior: .noSignedWrap)


// IRBUILDERARITH-NEXT: ret void
builder.buildRetVoid()
// IRBUILDERARITH-NEXT: }
module.dump()
})

// MARK: Integer comparisons
XCTAssert(fileCheckOutput(of: .stderr, withPrefixes: ["IRBUILDERCMP"]) {
// IRBUILDERCMP: ; ModuleID = 'IRBuilderTest'
// IRBUILDERCMP-NEXT: source_filename = "IRBuilderTest"
let module = Module(name: "IRBuilderTest")
let builder = IRBuilder(module: module)

// IRBUILDERCMP: @a = global i32 1
// IRBUILDERCMP-NEXT: @b = global i32 1
var g1 = builder.addGlobal("a", type: IntType.int32)
g1.initializer = Int32(1)
var g2 = builder.addGlobal("b", type: IntType.int32)
g2.initializer = Int32(1)

// IRBUILDERCMP: define void @main() {
let main = builder.addFunction("main",
type: FunctionType(argTypes: [],
returnType: VoidType()))
// IRBUILDERCMP-NEXT: entry:
let entry = main.appendBasicBlock(named: "entry")
builder.positionAtEnd(of: entry)

// IRBUILDERCMP-NEXT: %0 = load i32, i32* @a
let vg1 = builder.buildLoad(g1)
// IRBUILDERCMP-NEXT: %1 = load i32, i32* @b
let vg2 = builder.buildLoad(g2)

// IRBUILDERCMP-NEXT: %2 = icmp eq i32 %0, %1
_ = builder.buildICmp(vg1, vg2, .eq)
// IRBUILDERCMP-NEXT: %3 = icmp ne i32 %0, %1
_ = builder.buildICmp(vg1, vg2, .ne)
// IRBUILDERCMP-NEXT: %4 = icmp ugt i32 %0, %1
_ = builder.buildICmp(vg1, vg2, .ugt)
// IRBUILDERCMP-NEXT: %5 = icmp uge i32 %0, %1
_ = builder.buildICmp(vg1, vg2, .uge)
// IRBUILDERCMP-NEXT: %6 = icmp ult i32 %0, %1
_ = builder.buildICmp(vg1, vg2, .ult)
// IRBUILDERCMP-NEXT: %7 = icmp ule i32 %0, %1
_ = builder.buildICmp(vg1, vg2, .ule)
// IRBUILDERCMP-NEXT: %8 = icmp sgt i32 %0, %1
_ = builder.buildICmp(vg1, vg2, .sgt)
// IRBUILDERCMP-NEXT: %9 = icmp sge i32 %0, %1
_ = builder.buildICmp(vg1, vg2, .sge)
// IRBUILDERCMP-NEXT: %10 = icmp slt i32 %0, %1
_ = builder.buildICmp(vg1, vg2, .slt)
// IRBUILDERCMP-NEXT: %11 = icmp sle i32 %0, %1
_ = builder.buildICmp(vg1, vg2, .sle)

// IRBUILDERCMP-NEXT: ret void
builder.buildRetVoid()
// IRBUILDERCMP-NEXT: }
module.dump()
})
}
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