fix ispc

Author: Hugobros3

src/shady/emit/c/emit_c.c

@@ -695,6 +695,8 @@ static Module* run_backend_specific_passes(CompilerConfig* config, CEmitterConfi
     Module* old_mod = NULL;
     Module** pmod = &initial_mod;
 
+    // C lacks a nice way to express constants that can be used in type definitions afterwards, so let's just inline them all.
+    RUN_PASS(eliminate_constants)
     if (econfig->dialect == CDialect_ISPC) {
         RUN_PASS(lower_workgroups)
     }
@@ -704,8 +706,6 @@ static Module* run_backend_specific_passes(CompilerConfig* config, CEmitterConfi
     if (config->lower.simt_to_explicit_simd) {
         RUN_PASS(simt2d)
     }
-    // C lacks a nice way to express constants that can be used in type definitions afterwards, so let's just inline them all.
-    RUN_PASS(eliminate_constants)
     return *pmod;
 }
 

src/shady/passes/lower_workgroups.c

@@ -179,6 +179,7 @@ Module* lower_workgroups(const CompilerConfig* config, Module* src) {
         .config = config,
         .globals = calloc(sizeof(Node*), PRIMOPS_COUNT),
     };
+    ctx.rewriter.config.rebind_let = true;
     rewrite_module(&ctx.rewriter);
     free(ctx.globals);
     destroy_rewriter(&ctx.rewriter);