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added some #ifdef .. #endif for control flow tests

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Evghenii
2014-02-06 10:12:31 +01:00
parent c8e92feb14
commit 8ffa84f875
1 changed files with 21 additions and 0 deletions
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21
stmt.cpp
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@@ -568,6 +568,19 @@ IfStmt::EmitCode(FunctionEmitContext *ctx) const {
if (testValue == NULL) if (testValue == NULL)
return; return;
#if 0
if (!isUniform && g->target->getISA() == Target::NVPTX)
{
/* With "nvptx" target, SIMT hardware takes care of non-uniform
* control flow. We trick ISPC to generate uniform control flow.
*/
testValue = ctx->ExtractInst(testValue, 0);
isUniform = true;
}
#endif
if (isUniform) { if (isUniform) {
ctx->StartUniformIf(); ctx->StartUniformIf();
if (doAllCheck) if (doAllCheck)
@@ -849,7 +862,11 @@ IfStmt::emitMaskMixed(FunctionEmitContext *ctx, llvm::Value *oldMask,
// Do any of the program instances want to run the 'true' // Do any of the program instances want to run the 'true'
// block? If not, jump ahead to bNext. // block? If not, jump ahead to bNext.
#if 1
llvm::Value *maskAnyTrueQ = ctx->Any(ctx->GetFullMask()); llvm::Value *maskAnyTrueQ = ctx->Any(ctx->GetFullMask());
#else
llvm::Value *maskAnyTrueQ = ctx->ExtractInst(ctx->GetFullMask(),0);
#endif
ctx->BranchInst(bRunTrue, bNext, maskAnyTrueQ); ctx->BranchInst(bRunTrue, bNext, maskAnyTrueQ);
// Emit statements for true // Emit statements for true
@@ -866,7 +883,11 @@ IfStmt::emitMaskMixed(FunctionEmitContext *ctx, llvm::Value *oldMask,
// Similarly, check to see if any of the instances want to // Similarly, check to see if any of the instances want to
// run the 'false' block... // run the 'false' block...
#if 1
llvm::Value *maskAnyFalseQ = ctx->Any(ctx->GetFullMask()); llvm::Value *maskAnyFalseQ = ctx->Any(ctx->GetFullMask());
#else
llvm::Value *maskAnyFalseQ = ctx->ExtractInst(ctx->GetFullMask(),0);
#endif
ctx->BranchInst(bRunFalse, bDone, maskAnyFalseQ); ctx->BranchInst(bRunFalse, bDone, maskAnyFalseQ);
// Emit code for false // Emit code for false