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[llvm-mca] Fix how views are added to the InstructionTables.

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This should fix the stack-use-after-scope reported by the asan buildbots after
revision 328493.

llvm-svn: 328499
This commit is contained in:
Andrea Di Biagio 2018-03-26 14:25:52 +00:00
parent 4eeecd6b13
commit bfa0362dd4
4 changed files with 123 additions and 14 deletions
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103
test/tools/llvm-mca/X86/BtVer2/resources-sse1.s
View File

@ -134,6 +134,109 @@ unpcklps (%rax), %xmm2
xorps %xmm0, %xmm2
xorps (%rax), %xmm2
# CHECK: Instruction Info:
# CHECK-NEXT: [1]: #uOps
# CHECK-NEXT: [2]: Latency
# CHECK-NEXT: [3]: RThroughput
# CHECK-NEXT: [4]: MayLoad
# CHECK-NEXT: [5]: MayStore
# CHECK-NEXT: [6]: HasSideEffects
# CHECK: [1] [2] [3] [4] [5] [6] Instructions:
# CHECK-NEXT: 1 3 1.00 addps %xmm0, %xmm2
# CHECK-NEXT: 1 8 1.00 * addps (%rax), %xmm2
# CHECK-NEXT: 1 3 1.00 addss %xmm0, %xmm2
# CHECK-NEXT: 1 8 1.00 * addss (%rax), %xmm2
# CHECK-NEXT: 1 1 0.50 andnps %xmm0, %xmm2
# CHECK-NEXT: 1 6 1.00 * andnps (%rax), %xmm2
# CHECK-NEXT: 1 1 0.50 andps %xmm0, %xmm2
# CHECK-NEXT: 1 6 1.00 * andps (%rax), %xmm2
# CHECK-NEXT: 1 2 1.00 cmpps $0, %xmm0, %xmm2
# CHECK-NEXT: 1 7 1.00 * cmpps $0, (%rax), %xmm2
# CHECK-NEXT: 1 2 1.00 cmpss $0, %xmm0, %xmm2
# CHECK-NEXT: 1 7 1.00 * cmpss $0, (%rax), %xmm2
# CHECK-NEXT: 1 3 1.00 comiss %xmm0, %xmm1
# CHECK-NEXT: 1 8 1.00 * comiss (%rax), %xmm1
# CHECK-NEXT: 1 3 1.00 cvtsi2ssl %ecx, %xmm2
# CHECK-NEXT: 1 3 1.00 cvtsi2ssq %rcx, %xmm2
# CHECK-NEXT: 1 8 1.00 * cvtsi2ssl (%rax), %xmm2
# CHECK-NEXT: 1 8 1.00 * cvtsi2ssl (%rax), %xmm2
# CHECK-NEXT: 1 3 1.00 cvtss2si %xmm0, %ecx
# CHECK-NEXT: 1 3 1.00 cvtss2si %xmm0, %rcx
# CHECK-NEXT: 1 8 1.00 * cvtss2si (%rax), %ecx
# CHECK-NEXT: 1 8 1.00 * cvtss2si (%rax), %rcx
# CHECK-NEXT: 1 3 1.00 cvttss2si %xmm0, %ecx
# CHECK-NEXT: 1 3 1.00 cvttss2si %xmm0, %rcx
# CHECK-NEXT: 1 8 1.00 * cvttss2si (%rax), %ecx
# CHECK-NEXT: 1 8 1.00 * cvttss2si (%rax), %rcx
# CHECK-NEXT: 1 19 19.00 divps %xmm0, %xmm2
# CHECK-NEXT: 1 24 19.00 * divps (%rax), %xmm2
# CHECK-NEXT: 1 19 19.00 divss %xmm0, %xmm2
# CHECK-NEXT: 1 24 19.00 * divss (%rax), %xmm2
# CHECK-NEXT: 1 5 1.00 * * * ldmxcsr (%rax)
# CHECK-NEXT: 1 2 1.00 maxps %xmm0, %xmm2
# CHECK-NEXT: 1 7 1.00 * maxps (%rax), %xmm2
# CHECK-NEXT: 1 2 1.00 maxss %xmm0, %xmm2
# CHECK-NEXT: 1 7 1.00 * maxss (%rax), %xmm2
# CHECK-NEXT: 1 2 1.00 minps %xmm0, %xmm2
# CHECK-NEXT: 1 7 1.00 * minps (%rax), %xmm2
# CHECK-NEXT: 1 2 1.00 minss %xmm0, %xmm2
# CHECK-NEXT: 1 7 1.00 * minss (%rax), %xmm2
# CHECK-NEXT: 1 1 0.50 movaps %xmm0, %xmm2
# CHECK-NEXT: 1 1 1.00 * movaps %xmm0, (%rax)
# CHECK-NEXT: 1 5 1.00 * movaps (%rax), %xmm2
# CHECK-NEXT: 1 1 0.50 movhlps %xmm0, %xmm2
# CHECK-NEXT: 1 1 0.50 movlhps %xmm0, %xmm2
# CHECK-NEXT: 1 1 1.00 * movhps %xmm0, (%rax)
# CHECK-NEXT: 1 6 1.00 * movhps (%rax), %xmm2
# CHECK-NEXT: 1 1 1.00 * movlps %xmm0, (%rax)
# CHECK-NEXT: 1 6 1.00 * movlps (%rax), %xmm2
# CHECK-NEXT: 1 3 1.00 movmskps %xmm0, %ecx
# CHECK-NEXT: 1 3 1.00 * movntps %xmm0, (%rax)
# CHECK-NEXT: 1 1 0.50 movss %xmm0, %xmm2
# CHECK-NEXT: 1 1 1.00 * movss %xmm0, (%rax)
# CHECK-NEXT: 1 5 1.00 * movss (%rax), %xmm2
# CHECK-NEXT: 1 1 0.50 movups %xmm0, %xmm2
# CHECK-NEXT: 1 1 1.00 * movups %xmm0, (%rax)
# CHECK-NEXT: 1 5 1.00 * movups (%rax), %xmm2
# CHECK-NEXT: 1 2 1.00 mulps %xmm0, %xmm2
# CHECK-NEXT: 1 7 1.00 * mulps (%rax), %xmm2
# CHECK-NEXT: 1 2 1.00 mulss %xmm0, %xmm2
# CHECK-NEXT: 1 7 1.00 * mulss (%rax), %xmm2
# CHECK-NEXT: 1 1 0.50 orps %xmm0, %xmm2
# CHECK-NEXT: 1 6 1.00 * orps (%rax), %xmm2
# CHECK-NEXT: 1 1 0.50 pinsrw $1, %eax, %xmm1
# CHECK-NEXT: 1 6 1.00 * pinsrw $1, (%rax), %xmm1
# CHECK-NEXT: 1 2 1.00 rcpps %xmm0, %xmm2
# CHECK-NEXT: 1 7 1.00 * rcpps (%rax), %xmm2
# CHECK-NEXT: 1 2 1.00 rcpss %xmm0, %xmm2
# CHECK-NEXT: 1 7 1.00 * rcpss (%rax), %xmm2
# CHECK-NEXT: 1 2 1.00 rsqrtps %xmm0, %xmm2
# CHECK-NEXT: 1 7 1.00 * rsqrtps (%rax), %xmm2
# CHECK-NEXT: 1 2 1.00 rsqrtss %xmm0, %xmm2
# CHECK-NEXT: 1 7 1.00 * rsqrtss (%rax), %xmm2
# CHECK-NEXT: 1 1 0.50 shufps $1, %xmm0, %xmm2
# CHECK-NEXT: 1 6 1.00 * shufps $1, (%rax), %xmm2
# CHECK-NEXT: 1 21 21.00 sqrtps %xmm0, %xmm2
# CHECK-NEXT: 1 26 21.00 * sqrtps (%rax), %xmm2
# CHECK-NEXT: 1 21 21.00 sqrtss %xmm0, %xmm2
# CHECK-NEXT: 1 26 21.00 * sqrtss (%rax), %xmm2
# CHECK-NEXT: 1 1 1.00 * * * stmxcsr (%rax)
# CHECK-NEXT: 1 3 1.00 subps %xmm0, %xmm2
# CHECK-NEXT: 1 8 1.00 * subps (%rax), %xmm2
# CHECK-NEXT: 1 3 1.00 subss %xmm0, %xmm2
# CHECK-NEXT: 1 8 1.00 * subss (%rax), %xmm2
# CHECK-NEXT: 1 3 1.00 ucomiss %xmm0, %xmm1
# CHECK-NEXT: 1 8 1.00 * ucomiss (%rax), %xmm1
# CHECK-NEXT: 1 1 0.50 unpckhps %xmm0, %xmm2
# CHECK-NEXT: 1 6 1.00 * unpckhps (%rax), %xmm2
# CHECK-NEXT: 1 1 0.50 unpcklps %xmm0, %xmm2
# CHECK-NEXT: 1 6 1.00 * unpcklps (%rax), %xmm2
# CHECK-NEXT: 1 1 0.50 xorps %xmm0, %xmm2
# CHECK-NEXT: 1 6 1.00 * xorps (%rax), %xmm2
# CHECK: Resources:
# CHECK-NEXT: [0] - JALU0
# CHECK-NEXT: [1] - JALU1

9
tools/llvm-mca/InstructionTables.cpp
View File

@ -69,12 +69,17 @@ void InstructionTables::run() {
}
}
// Now send a fake instruction issued event to all the listeners.
// Now send a fake instruction issued event to all the views.
HWInstructionIssuedEvent Event(IR.first, UsedResources);
for (HWEventListener *Listener : Listeners)
for (std::unique_ptr<View> &Listener : Views)
Listener->onInstructionEvent(Event);
S.updateNext();
}
}
void InstructionTables::printReport(llvm::raw_ostream &OS) const {
for (const std::unique_ptr<View> &V : Views)
V->printView(OS);
}
} // namespace mca

12
tools/llvm-mca/InstructionTables.h
View File

@ -17,9 +17,10 @@
#ifndef LLVM_TOOLS_LLVM_MCA_INSTRUCTIONTABLES_H
#define LLVM_TOOLS_LLVM_MCA_INSTRUCTIONTABLES_H
#include "HWEventListener.h"
#include "View.h"
#include "InstrBuilder.h"
#include "SourceMgr.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/MC/MCSchedule.h"
namespace mca {
@ -28,19 +29,20 @@ class InstructionTables {
const llvm::MCSchedModel &SM;
InstrBuilder &IB;
SourceMgr &S;
std::set<HWEventListener *> Listeners;
llvm::SmallVector<std::unique_ptr<View>, 8> Views;
public:
InstructionTables(const llvm::MCSchedModel &Model, InstrBuilder &Builder,
SourceMgr &Source)
: SM(Model), IB(Builder), S(Source) {}
void addEventListener(HWEventListener *Listener) {
if (Listener)
Listeners.insert(Listener);
void addView(std::unique_ptr<View> V) {
Views.emplace_back(std::move(V));
}
void run();
void printReport(llvm::raw_ostream &OS) const;
};
} // namespace mca

13
tools/llvm-mca/llvm-mca.cpp
View File

@ -273,8 +273,8 @@ int main(int argc, char **argv) {
std::unique_ptr<buffer_ostream> BOS;
std::unique_ptr<mca::SourceMgr> S =
llvm::make_unique<mca::SourceMgr>(PrintInstructionTables ? 1 : Iterations);
std::unique_ptr<mca::SourceMgr> S = llvm::make_unique<mca::SourceMgr>(
PrintInstructionTables ? 1 : Iterations);
MCStreamerWrapper Str(Ctx, S->getSequence());
std::unique_ptr<MCInstrInfo> MCII(TheTarget->createMCInstrInfo());
@ -343,14 +343,13 @@ int main(int argc, char **argv) {
mca::InstructionTables IT(STI->getSchedModel(), *IB, *S);
if (PrintInstructionInfoView) {
mca::InstructionInfoView IIV(*STI, *MCII, *S, *IP);
IT.addEventListener(&IIV);
IT.addView(
llvm::make_unique<mca::InstructionInfoView>(*STI, *MCII, *S, *IP));
}
mca::ResourcePressureView RPV(*STI, *IP, *S);
IT.addEventListener(&RPV);
IT.addView(llvm::make_unique<mca::ResourcePressureView>(*STI, *IP, *S));
IT.run();
RPV.printView(TOF->os());
IT.printReport(TOF->os());
TOF->keep();
return 0;
}