bjoernager/rust
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coverage: Emit llvm.instrprof.increment using the normal helper method

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This commit is contained in:
Zalathar 2024-10-25 13:06:57 +11:00
parent a93c1718c8
commit 4923e856be
3 changed files with 2 additions and 36 deletions
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26
compiler/rustc_codegen_llvm/src/builder.rs
View file

@ -1165,6 +1165,7 @@ 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,
@ -1172,30 +1173,7 @@ impl<'a, 'll, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> {
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(

1
compiler/rustc_codegen_llvm/src/llvm/ffi.rs
View file

@ -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;