[llvm] Modernize bool literals (NFC)

Identified with modernize-use-bool-literals.

llvm/lib/Object/WasmObjectFile.cpp

@@ -204,7 +204,7 @@ static Error readInitExpr(wasm::WasmInitExpr &Expr,
 
   if (Expr.Extended) {
     Ctx.Ptr = Start;
-    while (1) {
+    while (true) {
       uint8_t Opcode = readOpcode(Ctx);
       switch (Opcode) {
       case wasm::WASM_OPCODE_I32_CONST:

llvm/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp

@@ -417,9 +417,9 @@ bool getMAIIsGFX940XDL(unsigned Opc) {
 CanBeVOPD getCanBeVOPD(unsigned Opc) {
   const VOPDComponentInfo *Info = getVOPDComponentHelper(Opc);
   if (Info)
-    return {Info->CanBeVOPDX, 1};
+    return {Info->CanBeVOPDX, true};
   else
-    return {0, 0};
+    return {false, false};
 }
 
 unsigned getVOPDOpcode(unsigned Opc) {

llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp

@@ -3744,7 +3744,7 @@ void BoUpSLP::reorderTopToBottom() {
       unsigned Opcode0 = TE->getOpcode();
       unsigned Opcode1 = TE->getAltOpcode();
       // The opcode mask selects between the two opcodes.
-      SmallBitVector OpcodeMask(TE->Scalars.size(), 0);
+      SmallBitVector OpcodeMask(TE->Scalars.size(), false);
       for (unsigned Lane : seq<unsigned>(0, TE->Scalars.size()))
         if (cast<Instruction>(TE->Scalars[Lane])->getOpcode() == Opcode1)
           OpcodeMask.set(Lane);

llvm/tools/llvm-debuginfod/llvm-debuginfod.cpp

@@ -88,7 +88,7 @@ int main(int argc, char **argv) {
 
   Pool.async([&]() { ExitOnErr(Server.Server.listen()); });
   Pool.async([&]() {
-    while (1) {
+    while (true) {
       DebuginfodLogEntry Entry = Log.pop();
       if (VerboseLogging) {
         outs() << Entry.Message << "\n";