Commit 38782d65 authored by Nguyen, Thien Minh's avatar Nguyen, Thien Minh
Browse files

Fixed a regression bug due to direct Staq IR translation

I was making sure that we only handle the case whereby there is only one qreg but didn't handle the case where the buffer name is different from the default "q".

Tested by: running qcor tests.

Signed-off-by: Nguyen, Thien Minh's avatarThien Nguyen <>
parent 0d4e36f7
......@@ -250,7 +250,7 @@ std::shared_ptr<IR> StaqCompiler::compile(const std::string &src,
// Direct translation
internal_staq::StaqToIr translate(name);
internal_staq::StaqToIr translate(name, countQreq.qregs[0]);
return translate.getIr();
......@@ -167,8 +167,8 @@ public:
// Staq AST to XACC IR
class StaqToIr : public staq::ast::Visitor {
StaqToIr(const std::string &in_kernelName)
: m_kernelName(in_kernelName), m_provider(xacc::getIRProvider("quantum")) {}
StaqToIr(const std::string &in_kernelName, const std::string &in_regName)
: m_kernelName(in_kernelName), m_regName(in_regName), m_provider(xacc::getIRProvider("quantum")) {}
void visit(VarAccess &) override {}
// Expressions
void visit(BExpr &) override {}
......@@ -233,6 +233,11 @@ public:
std::shared_ptr<IR> getIr() {
auto composite =
for (auto &gate: m_runtimeInsts) {
std::vector regNames(gate->bits().size(), m_regName);
// Since the instructions were *compiled* by staq (valid AST),
// hence, we skip all validation.
composite->addInstructions(std::move(m_runtimeInsts), false);
......@@ -245,6 +250,7 @@ private:
std::vector<InstPtr> m_runtimeInsts;
std::shared_ptr<IRProvider> m_provider;
std::string m_kernelName;
std::string m_regName;
using namespace xacc::quantum;
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