Silence warnings in the tests

Author: CodaFi

Tests/LLVMTests/IRBuilderSpec.swift

@@ -33,9 +33,9 @@ class IRBuilderSpec : XCTestCase {
 
       // IRBUILDERARITH: @a = global i32 1
       // IRBUILDERARITH-NEXT: @b = global i32 1
-      var g1 = builder.addGlobal("a", type: IntType.int32)
+      let g1 = builder.addGlobal("a", type: IntType.int32)
       g1.initializer = Int32(1)
-      var g2 = builder.addGlobal("b", type: IntType.int32)
+      let g2 = builder.addGlobal("b", type: IntType.int32)
       g2.initializer = Int32(1)
 
       // IRBUILDERARITH-NEXT: @vec1 = global <8 x i64> <i64 1, i64 1, i64 1, i64 1, i64 1, i64 1, i64 1, i64 1>
@@ -121,9 +121,9 @@ class IRBuilderSpec : XCTestCase {
 
       // IRBUILDERCMP: @a = global i32 1
       // IRBUILDERCMP-NEXT: @b = global i32 1
-      var g1 = builder.addGlobal("a", type: IntType.int32)
+      let g1 = builder.addGlobal("a", type: IntType.int32)
       g1.initializer = Int32(1)
-      var g2 = builder.addGlobal("b", type: IntType.int32)
+      let g2 = builder.addGlobal("b", type: IntType.int32)
       g2.initializer = Int32(1)
 
       // IRBUILDERCMP: define void @main() {
@@ -175,9 +175,9 @@ class IRBuilderSpec : XCTestCase {
 
       // IRBUILDERFCMP: @a = global double 1
       // IRBUILDERFCMP-NEXT: @b = global double 1
-      var g1 = builder.addGlobal("a", type: FloatType.double)
+      let g1 = builder.addGlobal("a", type: FloatType.double)
       g1.initializer = FloatType.double.constant(1)
-      var g2 = builder.addGlobal("b", type: FloatType.double)
+      let g2 = builder.addGlobal("b", type: FloatType.double)
       g2.initializer = FloatType.double.constant(1)
 
       // IRBUILDERFCMP: define void @main() {

Tests/LLVMTests/IRGlobalSpec.swift

@@ -11,7 +11,7 @@ class IRGlobalSpec : XCTestCase {
       let module = Module(name: "IRInertGlobalTest")
       let builder = IRBuilder(module: module)
       // IRINERTGLOBAL: @external_global = external constant i32
-      var extGlobal = builder.addGlobal("external_global", type: IntType.int32)
+      let extGlobal = builder.addGlobal("external_global", type: IntType.int32)
       extGlobal.isGlobalConstant = true
       // IRINERTGLOBAL: @got.external_global = private unnamed_addr constant i32* @external_global
       var gotGlobal = builder.addGlobal("got.external_global",
@@ -21,7 +21,7 @@ class IRGlobalSpec : XCTestCase {
       gotGlobal.isGlobalConstant = true
 
       // IRINERTGLOBAL: @external_relative_reference = global i32 trunc (i64 sub (i64 ptrtoint (i32** @got.external_global to i64), i64 ptrtoint (i32* @external_relative_reference to i64)) to i32)
-      var ext_relative_reference = builder.addGlobal("external_relative_reference", type: IntType.int32)
+      let ext_relative_reference = builder.addGlobal("external_relative_reference", type: IntType.int32)
       ext_relative_reference.initializer = Constant<Unsigned>.pointerToInt(gotGlobal, .int64)
         .subtracting(Constant<Unsigned>.pointerToInt(ext_relative_reference, .int64)).truncate(to: .int32)
       module.dump()

Tests/LLVMTests/IROperationSpec.swift

@@ -12,17 +12,17 @@ class IROperationSpec : XCTestCase {
       let builder = IRBuilder(module: module)
 
       // BINARYOP: @a = global i32 1
-      var gi1 = builder.addGlobal("a", type: IntType.int32)
+      let gi1 = builder.addGlobal("a", type: IntType.int32)
       gi1.initializer = Int32(1)
       // BINARYOP-NEXT: @b = global i32 1
-      var gi2 = builder.addGlobal("b", type: IntType.int32)
+      let gi2 = builder.addGlobal("b", type: IntType.int32)
       gi2.initializer = Int32(1)
 
       // BINARYOP-NEXT: @c = global float 0.000000e+00
-      var gf1 = builder.addGlobal("c", type: FloatType.float)
+      let gf1 = builder.addGlobal("c", type: FloatType.float)
       gf1.initializer = FloatType.float.constant(0.0)
       // BINARYOP-NEXT: @d = global float 0.000000e+00
-      var gf2 = builder.addGlobal("d", type: FloatType.float)
+      let gf2 = builder.addGlobal("d", type: FloatType.float)
       gf2.initializer = FloatType.float.constant(0.0)
 
       // BINARYOP: define void @main() {
@@ -96,11 +96,11 @@ class IROperationSpec : XCTestCase {
       let builder = IRBuilder(module: module)
 
       // CASTOP: @a = global i32 1
-      var gi = builder.addGlobal("a", type: IntType.int32)
+      let gi = builder.addGlobal("a", type: IntType.int32)
       gi.initializer = Int32(1)
 
       // CASTOP-NEXT: @f = global float 0.000000e+00
-      var gf = builder.addGlobal("f", type: FloatType.float)
+      let gf = builder.addGlobal("f", type: FloatType.float)
       gf.initializer = FloatType.float.constant(0.0)
 
       // CASTOP: define void @main() {