Use if constexpr when possible

3 files changed, 6 insertions, 4 deletions

diff --git a/alc/backends/opensl.cpp b/alc/backends/opensl.cpp
index 926911f0..917e097f 100644
--- a/alc/backends/opensl.cpp
+++ b/alc/backends/opensl.cpp
@@ -37,6 +37,7 @@
 #include "alu.h"
 #include "compat.h"
 #include "core/logging.h"
+#include "opthelpers.h"
 #include "ringbuffer.h"
 #include "threads.h"
 
@@ -104,7 +105,7 @@ constexpr SLuint32 GetTypeRepresentation(DevFmtType type) noexcept
 
 constexpr SLuint32 GetByteOrderEndianness() noexcept
 {
-    if /*constexpr*/(al::endian::native == al::endian::little)
+    if_constexpr(al::endian::native == al::endian::little)
         return SL_BYTEORDER_LITTLEENDIAN;
     return SL_BYTEORDER_BIGENDIAN;
 }
diff --git a/alc/backends/wave.cpp b/alc/backends/wave.cpp
index afff1d56..4f738230 100644
--- a/alc/backends/wave.cpp
+++ b/alc/backends/wave.cpp
@@ -42,6 +42,7 @@
 #include "alu.h"
 #include "compat.h"
 #include "core/logging.h"
+#include "opthelpers.h"
 #include "strutils.h"
 #include "threads.h"
 #include "vector.h"
@@ -149,7 +150,7 @@ int WaveBackend::mixerProc()
             mDevice->renderSamples(mBuffer.data(), mDevice->UpdateSize, frameStep);
             done += mDevice->UpdateSize;
 
-            if /*constexpr*/(al::endian::native != al::endian::little)
+            if_constexpr(al::endian::native != al::endian::little)
             {
                 const uint bytesize{mDevice->bytesFromFmt()};
 
diff --git a/alc/hrtf.cpp b/alc/hrtf.cpp
index 3f4ddf61..60d0aead 100644
--- a/alc/hrtf.cpp
+++ b/alc/hrtf.cpp
@@ -472,7 +472,7 @@ inline T readle(std::istream &data)
     static_assert(num_bits <= sizeof(T)*8, "num_bits is too large for the type");
 
     T ret{};
-    if /*constexpr*/(al::endian::native == al::endian::little)
+    if_constexpr(al::endian::native == al::endian::little)
     {
         if(!data.read(reinterpret_cast<char*>(&ret), num_bits/8))
             return static_cast<T>(EOF);
@@ -485,7 +485,7 @@ inline T readle(std::istream &data)
         std::reverse_copy(std::begin(b), std::end(b), reinterpret_cast<al::byte*>(&ret));
     }
 
-    if /*constexpr*/(std::is_signed<T>::value && num_bits < sizeof(T)*8)
+    if_constexpr(std::is_signed<T>::value && num_bits < sizeof(T)*8)
     {
         constexpr auto signbit = static_cast<T>(1u << (num_bits-1));
         return static_cast<T>((ret^signbit) - signbit);