https://bugs.llvm.org/show_bug.cgi?id=36088
Bug ID: 36088
Summary: ExprWithCleanups not handled in
emitOpenCLEnqueuedBlock
Product: clang
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: OpenCL
Assignee: unassignedclangb...@nondot.org
Reporter: l...@zaghen.it
CC: llvm-bugs@lists.llvm.org
Created attachment 19749
--> https://bugs.llvm.org/attachment.cgi?id=19749&action=edit
The CL kernel
The attached source makes clang (6.0-rc1 and trunk) assert on
cast<BlockExpr>().
I tried ignoring the ExprWithCleanups:
if (auto DR = dyn_cast<DeclRefExpr>(E)) {
E = cast<VarDecl>(DR->getDecl())->getInit();
}
+ if (auto Cast = dyn_cast<ExprWithCleanups>(E)) {
+ E = Cast->getSubExpr();
+ }
if (auto Cast = dyn_cast<CastExpr>(E)) {
E = Cast->getSubExpr();
}
auto *Block = cast<BlockExpr>(E);
but it seems like clang also tries to emit the same block expression twice (the
second time through the OCL enqueue specific codepath.)
Options I used for clang: "-x cl -cl-std=CL2.0 enqueue_block_kernel.cl"
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