#include "llvm/IR/CallSite.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DataLayout.h"
+#include "llvm/IR/DiagnosticInfo.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/Intrinsics.h"
// of that field for details.
unsigned *NumUnsafeUses;
+ void emitRemark() {
+ Function *F = CS.getCaller();
+ emitOptimizationRemark(F->getContext(), DEBUG_TYPE, *F,
+ CS.getInstruction()->getDebugLoc(),
+ "devirtualized call");
+ }
+
void replaceAndErase(Value *New) {
+ emitRemark();
CS->replaceAllUsesWith(New);
if (auto II = dyn_cast<InvokeInst>(CS.getInstruction())) {
BranchInst::Create(II->getNormalDest(), CS.getInstruction());
// If so, update each call site to call that implementation directly.
for (auto &&VCallSite : CallSites) {
+ VCallSite.emitRemark();
VCallSite.CS.setCalledFunction(ConstantExpr::getBitCast(
TheFn, VCallSite.CS.getCalledValue()->getType()));
// This use is no longer unsafe.
-; RUN: opt -S -wholeprogramdevirt %s | FileCheck %s
+; RUN: opt -S -wholeprogramdevirt -pass-remarks=wholeprogramdevirt %s 2>&1 | FileCheck %s
target datalayout = "e-p:64:64"
target triple = "x86_64-unknown-linux-gnu"
+; CHECK: remark: <unknown>:0:0: devirtualized call
+; CHECK-NOT: devirtualized call
+
@vt1 = constant [1 x i8*] [i8* bitcast (void (i8*)* @vf to i8*)], !type !0
@vt2 = constant [1 x i8*] [i8* bitcast (void (i8*)* @vf to i8*)], !type !0
-; RUN: opt -S -wholeprogramdevirt %s | FileCheck %s
+; RUN: opt -S -wholeprogramdevirt -pass-remarks=wholeprogramdevirt %s 2>&1 | FileCheck %s
+
+; CHECK-NOT: devirtualized call
target datalayout = "e-p:64:64"
target triple = "x86_64-unknown-linux-gnu"
-; RUN: opt -S -wholeprogramdevirt %s | FileCheck %s
+; RUN: opt -S -wholeprogramdevirt -pass-remarks=wholeprogramdevirt %s 2>&1 | FileCheck %s
target datalayout = "e-p:64:64"
target triple = "x86_64-unknown-linux-gnu"
+; CHECK: remark: <unknown>:0:0: devirtualized call
+; CHECK: remark: <unknown>:0:0: devirtualized call
+; CHECK: remark: <unknown>:0:0: devirtualized call
+; CHECK-NOT: devirtualized call
+
; CHECK: [[VT1DATA:@[^ ]*]] = private constant { [8 x i8], [3 x i8*], [0 x i8] } { [8 x i8] c"\00\00\00\01\01\00\00\00", [3 x i8*] [i8* bitcast (i1 (i8*)* @vf0i1 to i8*), i8* bitcast (i1 (i8*)* @vf1i1 to i8*), i8* bitcast (i32 (i8*)* @vf1i32 to i8*)], [0 x i8] zeroinitializer }, section "vt1sec", !type [[T8:![0-9]+]]
@vt1 = constant [3 x i8*] [
i8* bitcast (i1 (i8*)* @vf0i1 to i8*),