rustc_platform_intrinsics: remove unused rustc dependency.

Author: eddyb

mk/crates.mk

@@ -110,7 +110,7 @@ DEPS_rustc_metadata := rustc rustc_front syntax rbml rustc_const_eval
 DEPS_rustc_passes := syntax rustc core rustc_front
 DEPS_rustc_mir := rustc rustc_front syntax rustc_const_eval
 DEPS_rustc_resolve := arena rustc rustc_front log syntax
-DEPS_rustc_platform_intrinsics := rustc rustc_llvm
+DEPS_rustc_platform_intrinsics := std
 DEPS_rustc_plugin := rustc rustc_metadata syntax rustc_mir
 DEPS_rustc_privacy := rustc rustc_front log syntax
 DEPS_rustc_trans := arena flate getopts graphviz libc rustc rustc_back rustc_mir \

src/etc/platform-intrinsics/generator.py

@@ -759,12 +759,11 @@ def open(self, platform):
 
 use {{Intrinsic, Type}};
 use IntrinsicDef::Named;
-use rustc::middle::ty::TyCtxt;
 
 // The default inlining settings trigger a pathological behaviour in
 // LLVM, which causes makes compilation very slow. See #28273.
 #[inline(never)]
-pub fn find<'tcx>(_tcx: &TyCtxt<'tcx>, name: &str) -> Option<Intrinsic> {{
+pub fn find(name: &str) -> Option<Intrinsic> {{
     if !name.starts_with("{0}") {{ return None }}
     Some(match &name["{0}".len()..] {{'''.format(platform.intrinsic_prefix())
 

src/librustc_platform_intrinsics/Cargo.toml

@@ -7,6 +7,3 @@ version = "0.0.0"
 name = "rustc_platform_intrinsics"
 path = "lib.rs"
 crate-type = ["dylib"]
-
-[dependencies]
-rustc = { path = "../librustc" }

src/librustc_platform_intrinsics/aarch64.rs

@@ -15,12 +15,11 @@
 
 use {Intrinsic, Type};
 use IntrinsicDef::Named;
-use rustc::ty::TyCtxt;
 
 // The default inlining settings trigger a pathological behaviour in
 // LLVM, which causes makes compilation very slow. See #28273.
 #[inline(never)]
-pub fn find<'tcx>(_tcx: &TyCtxt<'tcx>, name: &str) -> Option<Intrinsic> {
+pub fn find(name: &str) -> Option<Intrinsic> {
     if !name.starts_with("aarch64_v") { return None }
     Some(match &name["aarch64_v".len()..] {
         "hadd_s8" => Intrinsic {

src/librustc_platform_intrinsics/arm.rs

@@ -15,12 +15,11 @@
 
 use {Intrinsic, Type};
 use IntrinsicDef::Named;
-use rustc::ty::TyCtxt;
 
 // The default inlining settings trigger a pathological behaviour in
 // LLVM, which causes makes compilation very slow. See #28273.
 #[inline(never)]
-pub fn find<'tcx>(_tcx: &TyCtxt<'tcx>, name: &str) -> Option<Intrinsic> {
+pub fn find(name: &str) -> Option<Intrinsic> {
     if !name.starts_with("arm_v") { return None }
     Some(match &name["arm_v".len()..] {
         "hadd_s8" => Intrinsic {

src/librustc_platform_intrinsics/lib.rs

@@ -12,14 +12,10 @@
 #![unstable(feature = "rustc_private", issue = "27812")]
 #![crate_type = "dylib"]
 #![crate_type = "rlib"]
-#![feature(staged_api, rustc_private)]
+#![feature(staged_api)]
 #![cfg_attr(not(stage0), deny(warnings))]
 #![allow(bad_style)]
 
-extern crate rustc;
-
-use rustc::ty::TyCtxt;
-
 pub struct Intrinsic {
     pub inputs: &'static [&'static Type],
     pub output: &'static Type,
@@ -101,13 +97,13 @@ mod arm;
 mod aarch64;
 
 impl Intrinsic {
-    pub fn find<'tcx>(tcx: &TyCtxt<'tcx>, name: &str) -> Option<Intrinsic> {
+    pub fn find(name: &str) -> Option<Intrinsic> {
         if name.starts_with("x86_") {
-            x86::find(tcx, name)
+            x86::find(name)
         } else if name.starts_with("arm_") {
-            arm::find(tcx, name)
+            arm::find(name)
         } else if name.starts_with("aarch64_") {
-            aarch64::find(tcx, name)
+            aarch64::find(name)
         } else {
             None
         }

src/librustc_platform_intrinsics/x86.rs

@@ -15,12 +15,11 @@
 
 use {Intrinsic, Type};
 use IntrinsicDef::Named;
-use rustc::ty::TyCtxt;
 
 // The default inlining settings trigger a pathological behaviour in
 // LLVM, which causes makes compilation very slow. See #28273.
 #[inline(never)]
-pub fn find<'tcx>(_tcx: &TyCtxt<'tcx>, name: &str) -> Option<Intrinsic> {
+pub fn find(name: &str) -> Option<Intrinsic> {
     if !name.starts_with("x86_mm") { return None }
     Some(match &name["x86_mm".len()..] {
         "_movemask_ps" => Intrinsic {

src/librustc_trans/intrinsic.rs

@@ -818,7 +818,7 @@ pub fn trans_intrinsic_call<'a, 'blk, 'tcx>(mut bcx: Block<'blk, 'tcx>,
         }
 
         (_, _) => {
-            let intr = match Intrinsic::find(tcx, &name) {
+            let intr = match Intrinsic::find(&name) {
                 Some(intr) => intr,
                 None => unreachable!("unknown intrinsic '{}'", name),
             };

src/librustc_typeck/check/intrinsic.rs

@@ -360,7 +360,7 @@ pub fn check_platform_intrinsic_type(ccx: &CrateCtxt,
             }
         }
         _ => {
-            match intrinsics::Intrinsic::find(tcx, &name) {
+            match intrinsics::Intrinsic::find(&name) {
                 Some(intr) => {
                     // this function is a platform specific intrinsic
                     if i_n_tps != 0 {