diff --git a/src/tint/lang/hlsl/writer/printer/printer.cc b/src/tint/lang/hlsl/writer/printer/printer.cc
index 2da44e1..2abb37a 100644
--- a/src/tint/lang/hlsl/writer/printer/printer.cc
+++ b/src/tint/lang/hlsl/writer/printer/printer.cc
@@ -1059,6 +1059,9 @@
             case core::BuiltinFn::kQuadSwapDiagonal:
                 out << "QuadReadAcrossDiagonal";
                 break;
+            case core::BuiltinFn::kInputAttachmentLoad:
+                // WGSL extension: chromium_internal_input_attachments
+                TINT_ICE() << "HLSL does not support inputAttachmentLoad";
             default:
                 TINT_UNREACHABLE() << "unhandled: " << func;
         }
@@ -1519,6 +1522,7 @@
                     pre += "precise ";
                 }
                 if (attributes.color) {
+                    // WGSL extension: chromium_experimental_framebuffer_fetch
                     TINT_ICE() << "HLSL does not support @color attribute";
                 }
 
diff --git a/test/tint/builtins/gen/literal/inputAttachmentLoad/315bf5.wgsl.expected.ir.dxc.hlsl b/test/tint/builtins/gen/literal/inputAttachmentLoad/315bf5.wgsl.expected.ir.dxc.hlsl
index 3274e82..699df01 100644
--- a/test/tint/builtins/gen/literal/inputAttachmentLoad/315bf5.wgsl.expected.ir.dxc.hlsl
+++ b/test/tint/builtins/gen/literal/inputAttachmentLoad/315bf5.wgsl.expected.ir.dxc.hlsl
@@ -1,6 +1,6 @@
-SKIP: FAILED
+SKIP: INVALID
 
-..\..\src\tint\lang\hlsl\writer\printer\printer.cc:1063 internal compiler error: TINT_UNREACHABLE unhandled: inputAttachmentLoad
+..\..\src\tint\lang\hlsl\writer\printer\printer.cc:1063 internal compiler error: HLSL does not support inputAttachmentLoad
 ********************************************************************
 *  The tint shader compiler has encountered an unexpected error.   *
 *                                                                  *
diff --git a/test/tint/builtins/gen/literal/inputAttachmentLoad/315bf5.wgsl.expected.ir.fxc.hlsl b/test/tint/builtins/gen/literal/inputAttachmentLoad/315bf5.wgsl.expected.ir.fxc.hlsl
index 3274e82..699df01 100644
--- a/test/tint/builtins/gen/literal/inputAttachmentLoad/315bf5.wgsl.expected.ir.fxc.hlsl
+++ b/test/tint/builtins/gen/literal/inputAttachmentLoad/315bf5.wgsl.expected.ir.fxc.hlsl
@@ -1,6 +1,6 @@
-SKIP: FAILED
+SKIP: INVALID
 
-..\..\src\tint\lang\hlsl\writer\printer\printer.cc:1063 internal compiler error: TINT_UNREACHABLE unhandled: inputAttachmentLoad
+..\..\src\tint\lang\hlsl\writer\printer\printer.cc:1063 internal compiler error: HLSL does not support inputAttachmentLoad
 ********************************************************************
 *  The tint shader compiler has encountered an unexpected error.   *
 *                                                                  *
diff --git a/test/tint/builtins/gen/literal/inputAttachmentLoad/c38b2f.wgsl.expected.ir.dxc.hlsl b/test/tint/builtins/gen/literal/inputAttachmentLoad/c38b2f.wgsl.expected.ir.dxc.hlsl
index 3274e82..699df01 100644
--- a/test/tint/builtins/gen/literal/inputAttachmentLoad/c38b2f.wgsl.expected.ir.dxc.hlsl
+++ b/test/tint/builtins/gen/literal/inputAttachmentLoad/c38b2f.wgsl.expected.ir.dxc.hlsl
@@ -1,6 +1,6 @@
-SKIP: FAILED
+SKIP: INVALID
 
-..\..\src\tint\lang\hlsl\writer\printer\printer.cc:1063 internal compiler error: TINT_UNREACHABLE unhandled: inputAttachmentLoad
+..\..\src\tint\lang\hlsl\writer\printer\printer.cc:1063 internal compiler error: HLSL does not support inputAttachmentLoad
 ********************************************************************
 *  The tint shader compiler has encountered an unexpected error.   *
 *                                                                  *
diff --git a/test/tint/builtins/gen/literal/inputAttachmentLoad/c38b2f.wgsl.expected.ir.fxc.hlsl b/test/tint/builtins/gen/literal/inputAttachmentLoad/c38b2f.wgsl.expected.ir.fxc.hlsl
index 3274e82..699df01 100644
--- a/test/tint/builtins/gen/literal/inputAttachmentLoad/c38b2f.wgsl.expected.ir.fxc.hlsl
+++ b/test/tint/builtins/gen/literal/inputAttachmentLoad/c38b2f.wgsl.expected.ir.fxc.hlsl
@@ -1,6 +1,6 @@
-SKIP: FAILED
+SKIP: INVALID
 
-..\..\src\tint\lang\hlsl\writer\printer\printer.cc:1063 internal compiler error: TINT_UNREACHABLE unhandled: inputAttachmentLoad
+..\..\src\tint\lang\hlsl\writer\printer\printer.cc:1063 internal compiler error: HLSL does not support inputAttachmentLoad
 ********************************************************************
 *  The tint shader compiler has encountered an unexpected error.   *
 *                                                                  *
diff --git a/test/tint/builtins/gen/literal/inputAttachmentLoad/fc4d97.wgsl.expected.ir.dxc.hlsl b/test/tint/builtins/gen/literal/inputAttachmentLoad/fc4d97.wgsl.expected.ir.dxc.hlsl
index 3274e82..699df01 100644
--- a/test/tint/builtins/gen/literal/inputAttachmentLoad/fc4d97.wgsl.expected.ir.dxc.hlsl
+++ b/test/tint/builtins/gen/literal/inputAttachmentLoad/fc4d97.wgsl.expected.ir.dxc.hlsl
@@ -1,6 +1,6 @@
-SKIP: FAILED
+SKIP: INVALID
 
-..\..\src\tint\lang\hlsl\writer\printer\printer.cc:1063 internal compiler error: TINT_UNREACHABLE unhandled: inputAttachmentLoad
+..\..\src\tint\lang\hlsl\writer\printer\printer.cc:1063 internal compiler error: HLSL does not support inputAttachmentLoad
 ********************************************************************
 *  The tint shader compiler has encountered an unexpected error.   *
 *                                                                  *
diff --git a/test/tint/builtins/gen/literal/inputAttachmentLoad/fc4d97.wgsl.expected.ir.fxc.hlsl b/test/tint/builtins/gen/literal/inputAttachmentLoad/fc4d97.wgsl.expected.ir.fxc.hlsl
index 3274e82..699df01 100644
--- a/test/tint/builtins/gen/literal/inputAttachmentLoad/fc4d97.wgsl.expected.ir.fxc.hlsl
+++ b/test/tint/builtins/gen/literal/inputAttachmentLoad/fc4d97.wgsl.expected.ir.fxc.hlsl
@@ -1,6 +1,6 @@
-SKIP: FAILED
+SKIP: INVALID
 
-..\..\src\tint\lang\hlsl\writer\printer\printer.cc:1063 internal compiler error: TINT_UNREACHABLE unhandled: inputAttachmentLoad
+..\..\src\tint\lang\hlsl\writer\printer\printer.cc:1063 internal compiler error: HLSL does not support inputAttachmentLoad
 ********************************************************************
 *  The tint shader compiler has encountered an unexpected error.   *
 *                                                                  *
diff --git a/test/tint/builtins/gen/var/inputAttachmentLoad/315bf5.wgsl.expected.ir.dxc.hlsl b/test/tint/builtins/gen/var/inputAttachmentLoad/315bf5.wgsl.expected.ir.dxc.hlsl
index 3274e82..699df01 100644
--- a/test/tint/builtins/gen/var/inputAttachmentLoad/315bf5.wgsl.expected.ir.dxc.hlsl
+++ b/test/tint/builtins/gen/var/inputAttachmentLoad/315bf5.wgsl.expected.ir.dxc.hlsl
@@ -1,6 +1,6 @@
-SKIP: FAILED
+SKIP: INVALID
 
-..\..\src\tint\lang\hlsl\writer\printer\printer.cc:1063 internal compiler error: TINT_UNREACHABLE unhandled: inputAttachmentLoad
+..\..\src\tint\lang\hlsl\writer\printer\printer.cc:1063 internal compiler error: HLSL does not support inputAttachmentLoad
 ********************************************************************
 *  The tint shader compiler has encountered an unexpected error.   *
 *                                                                  *
diff --git a/test/tint/builtins/gen/var/inputAttachmentLoad/315bf5.wgsl.expected.ir.fxc.hlsl b/test/tint/builtins/gen/var/inputAttachmentLoad/315bf5.wgsl.expected.ir.fxc.hlsl
index 3274e82..699df01 100644
--- a/test/tint/builtins/gen/var/inputAttachmentLoad/315bf5.wgsl.expected.ir.fxc.hlsl
+++ b/test/tint/builtins/gen/var/inputAttachmentLoad/315bf5.wgsl.expected.ir.fxc.hlsl
@@ -1,6 +1,6 @@
-SKIP: FAILED
+SKIP: INVALID
 
-..\..\src\tint\lang\hlsl\writer\printer\printer.cc:1063 internal compiler error: TINT_UNREACHABLE unhandled: inputAttachmentLoad
+..\..\src\tint\lang\hlsl\writer\printer\printer.cc:1063 internal compiler error: HLSL does not support inputAttachmentLoad
 ********************************************************************
 *  The tint shader compiler has encountered an unexpected error.   *
 *                                                                  *
diff --git a/test/tint/builtins/gen/var/inputAttachmentLoad/c38b2f.wgsl.expected.ir.dxc.hlsl b/test/tint/builtins/gen/var/inputAttachmentLoad/c38b2f.wgsl.expected.ir.dxc.hlsl
index 3274e82..699df01 100644
--- a/test/tint/builtins/gen/var/inputAttachmentLoad/c38b2f.wgsl.expected.ir.dxc.hlsl
+++ b/test/tint/builtins/gen/var/inputAttachmentLoad/c38b2f.wgsl.expected.ir.dxc.hlsl
@@ -1,6 +1,6 @@
-SKIP: FAILED
+SKIP: INVALID
 
-..\..\src\tint\lang\hlsl\writer\printer\printer.cc:1063 internal compiler error: TINT_UNREACHABLE unhandled: inputAttachmentLoad
+..\..\src\tint\lang\hlsl\writer\printer\printer.cc:1063 internal compiler error: HLSL does not support inputAttachmentLoad
 ********************************************************************
 *  The tint shader compiler has encountered an unexpected error.   *
 *                                                                  *
diff --git a/test/tint/builtins/gen/var/inputAttachmentLoad/c38b2f.wgsl.expected.ir.fxc.hlsl b/test/tint/builtins/gen/var/inputAttachmentLoad/c38b2f.wgsl.expected.ir.fxc.hlsl
index 3274e82..699df01 100644
--- a/test/tint/builtins/gen/var/inputAttachmentLoad/c38b2f.wgsl.expected.ir.fxc.hlsl
+++ b/test/tint/builtins/gen/var/inputAttachmentLoad/c38b2f.wgsl.expected.ir.fxc.hlsl
@@ -1,6 +1,6 @@
-SKIP: FAILED
+SKIP: INVALID
 
-..\..\src\tint\lang\hlsl\writer\printer\printer.cc:1063 internal compiler error: TINT_UNREACHABLE unhandled: inputAttachmentLoad
+..\..\src\tint\lang\hlsl\writer\printer\printer.cc:1063 internal compiler error: HLSL does not support inputAttachmentLoad
 ********************************************************************
 *  The tint shader compiler has encountered an unexpected error.   *
 *                                                                  *
diff --git a/test/tint/builtins/gen/var/inputAttachmentLoad/fc4d97.wgsl.expected.ir.dxc.hlsl b/test/tint/builtins/gen/var/inputAttachmentLoad/fc4d97.wgsl.expected.ir.dxc.hlsl
index 3274e82..699df01 100644
--- a/test/tint/builtins/gen/var/inputAttachmentLoad/fc4d97.wgsl.expected.ir.dxc.hlsl
+++ b/test/tint/builtins/gen/var/inputAttachmentLoad/fc4d97.wgsl.expected.ir.dxc.hlsl
@@ -1,6 +1,6 @@
-SKIP: FAILED
+SKIP: INVALID
 
-..\..\src\tint\lang\hlsl\writer\printer\printer.cc:1063 internal compiler error: TINT_UNREACHABLE unhandled: inputAttachmentLoad
+..\..\src\tint\lang\hlsl\writer\printer\printer.cc:1063 internal compiler error: HLSL does not support inputAttachmentLoad
 ********************************************************************
 *  The tint shader compiler has encountered an unexpected error.   *
 *                                                                  *
diff --git a/test/tint/builtins/gen/var/inputAttachmentLoad/fc4d97.wgsl.expected.ir.fxc.hlsl b/test/tint/builtins/gen/var/inputAttachmentLoad/fc4d97.wgsl.expected.ir.fxc.hlsl
index 3274e82..699df01 100644
--- a/test/tint/builtins/gen/var/inputAttachmentLoad/fc4d97.wgsl.expected.ir.fxc.hlsl
+++ b/test/tint/builtins/gen/var/inputAttachmentLoad/fc4d97.wgsl.expected.ir.fxc.hlsl
@@ -1,6 +1,6 @@
-SKIP: FAILED
+SKIP: INVALID
 
-..\..\src\tint\lang\hlsl\writer\printer\printer.cc:1063 internal compiler error: TINT_UNREACHABLE unhandled: inputAttachmentLoad
+..\..\src\tint\lang\hlsl\writer\printer\printer.cc:1063 internal compiler error: HLSL does not support inputAttachmentLoad
 ********************************************************************
 *  The tint shader compiler has encountered an unexpected error.   *
 *                                                                  *