Broadcast implementation as InsertElement+Shuffle and related improvements

2013-04-10 02:18:24 +04:00
parent 603abf70dc
commit 5898532605
6 changed files with 153 additions and 56 deletions
--- a/stmt.cpp
+++ b/stmt.cpp
@@ -1993,11 +1993,7 @@ ForeachActiveStmt::EmitCode(FunctionEmitContext *ctx) const {
        // math...)

        // Get the "program index" vector value
-        llvm::Value *programIndex =
-            llvm::UndefValue::get(LLVMTypes::Int32VectorType);
-        for (int i = 0; i < g->target->getVectorWidth(); ++i)
-            programIndex = ctx->InsertInst(programIndex, LLVMInt32(i), i,
-                                           "prog_index");
+        llvm::Value *programIndex = ctx->ProgramIndex();

        // And smear the current lane out to a vector
        llvm::Value *firstSet32 =