66 lines
1.9 KiB
LLVM
66 lines
1.9 KiB
LLVM
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; RUN: opt < %s -passes=pgo-instr-gen -S | FileCheck %s --check-prefix=GEN
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; RUN: opt < %s -passes=pgo-instr-gen,instrprof -S | FileCheck %s --check-prefix=LOWER
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; This test is to verify that PGO runtime library calls get created with the
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; appropriate operand bundle funclet information when an indirect call
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; was marked with as belonging to a particular funclet.
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; Test case based on this source:
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; extern void may_throw(int);
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;
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; class base {
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; public:
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; base() : x(0) {};
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; int get_x() const { return x; }
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; virtual void update() { x++; }
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; int x;
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; };
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;
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; class derived : public base {
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; public:
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; derived() {}
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; virtual void update() { x--; }
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; };
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;
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; void run(base* b, int count) {
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; try {
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; may_throw(count);
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; }
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; catch (...) {
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; // Virtual function call in exception handler for value profiling.
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; b->update();
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; }
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; }
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%class.base = type { ptr, i32 }
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define dso_local void @"?run@@YAXPEAVbase@@H@Z"(ptr %b, i32 %count) personality ptr @__CxxFrameHandler3 {
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entry:
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invoke void @"?may_throw@@YAXH@Z"(i32 %count)
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to label %try.cont unwind label %catch.dispatch
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catch.dispatch: ; preds = %entry
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%tmp = catchswitch within none [label %catch] unwind to caller
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catch: ; preds = %catch.dispatch
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%tmp1 = catchpad within %tmp [ptr null, i32 64, ptr null]
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%vtable = load ptr, ptr %b, align 8
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%tmp3 = load ptr, ptr %vtable, align 8
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call void %tmp3(ptr %b) [ "funclet"(token %tmp1) ]
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catchret from %tmp1 to label %try.cont
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try.cont: ; preds = %catch, %entry
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ret void
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}
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; GEN: catch:
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; GEN: call void @llvm.instrprof.value.profile(
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; GEN-SAME: [ "funclet"(token %tmp1) ]
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; LOWER: catch:
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; LOWER: call void @__llvm_profile_instrument_target(
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; LOWER-SAME: [ "funclet"(token %tmp1) ]
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declare dso_local void @"?may_throw@@YAXH@Z"(i32)
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declare dso_local i32 @__CxxFrameHandler3(...)
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