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coverage: Emit llvm.instrprof.increment using the normal helper method
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Zalathar committed Oct 25, 2024
1 parent a93c171 commit 4923e85
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Showing 3 changed files with 2 additions and 36 deletions.
26 changes: 2 additions & 24 deletions compiler/rustc_codegen_llvm/src/builder.rs
Original file line number Diff line number Diff line change
Expand Up @@ -1165,37 +1165,15 @@ impl<'a, 'll, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> {
self.call_lifetime_intrinsic("llvm.lifetime.end.p0i8", ptr, size);
}

#[instrument(level = "debug", skip(self))]
fn instrprof_increment(
&mut self,
fn_name: &'ll Value,
hash: &'ll Value,
num_counters: &'ll Value,
index: &'ll Value,
) {
debug!(
"instrprof_increment() with args ({:?}, {:?}, {:?}, {:?})",
fn_name, hash, num_counters, index
);

let llfn = unsafe { llvm::LLVMRustGetInstrProfIncrementIntrinsic(self.cx().llmod) };
let llty = self.cx.type_func(
&[self.cx.type_ptr(), self.cx.type_i64(), self.cx.type_i32(), self.cx.type_i32()],
self.cx.type_void(),
);
let args = &[fn_name, hash, num_counters, index];
let args = self.check_call("call", llty, llfn, args);

unsafe {
let _ = llvm::LLVMRustBuildCall(
self.llbuilder,
llty,
llfn,
args.as_ptr() as *const &llvm::Value,
args.len() as c_uint,
[].as_ptr(),
0 as c_uint,
);
}
self.call_intrinsic("llvm.instrprof.increment", &[fn_name, hash, num_counters, index]);
}

fn call(
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1 change: 0 additions & 1 deletion compiler/rustc_codegen_llvm/src/llvm/ffi.rs
Original file line number Diff line number Diff line change
Expand Up @@ -1615,7 +1615,6 @@ unsafe extern "C" {
pub fn LLVMRustSetAllowReassoc(Instr: &Value);

// Miscellaneous instructions
pub fn LLVMRustGetInstrProfIncrementIntrinsic(M: &Module) -> &Value;
pub fn LLVMRustGetInstrProfMCDCParametersIntrinsic(M: &Module) -> &Value;
pub fn LLVMRustGetInstrProfMCDCTVBitmapUpdateIntrinsic(M: &Module) -> &Value;

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11 changes: 0 additions & 11 deletions compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -1531,17 +1531,6 @@ extern "C" LLVMValueRef LLVMRustBuildCall(LLVMBuilderRef B, LLVMTypeRef Ty,
ArrayRef<OperandBundleDef>(OpBundles)));
}

extern "C" LLVMValueRef
LLVMRustGetInstrProfIncrementIntrinsic(LLVMModuleRef M) {
#if LLVM_VERSION_GE(20, 0)
return wrap(llvm::Intrinsic::getOrInsertDeclaration(
unwrap(M), llvm::Intrinsic::instrprof_increment));
#else
return wrap(llvm::Intrinsic::getDeclaration(
unwrap(M), llvm::Intrinsic::instrprof_increment));
#endif
}

extern "C" LLVMValueRef
LLVMRustGetInstrProfMCDCParametersIntrinsic(LLVMModuleRef M) {
#if LLVM_VERSION_LT(19, 0)
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