Changeset 5846

Timestamp:

Jan 29, 2018, 12:33:30 PM (13 months ago)

Author:

xwa163

Message:

Fix bug of KernelBuilder::CreateStreamCpy? when handling copy back of StreamSet? buffer

File:

• icGREP/icgrep-devel/icgrep/kernels/kernel_builder.cpp (modified) (2 diffs)

icGREP/icgrep-devel/icgrep/kernels/kernel_builder.cpp

@@ -237 +237 @@
     Type * const fieldWidthTy = getIntNTy(fieldWidth);
 
-    Value * const n = buf->getStreamSetCount(this, getStreamHandle(name));
+    Value * n = buf->getStreamSetCount(this, getStreamHandle(name));
 
     if (isConstantOne(n) || fieldWidth == blockWidth || (isConstantZero(targetOffset) && isConstantZero(sourceOffset))) {
@@ -260 +260 @@
 
     } else { // either the target offset or source offset is non-zero but not both
+        auto t = getIntNTy(fieldWidth * buf->getNumOfStreams());
+        PointerType * const ptrTy = t->getPointerTo();
+        target = CreateGEP(CreatePointerCast(target, ptrTy), targetOffset);
+        source = CreateGEP(CreatePointerCast(source, ptrTy), sourceOffset);
+        n = this->CreateUDiv(n, this->getSize(buf->getNumOfStreams()));
 
         VectorType * const blockTy = getBitBlockType();