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Revert "Invariant start/end intrinsics overloaded for address space"

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This reverts commit r276447.

llvm-svn: 278608
This commit is contained in:
Mehdi Amini 2016-08-13 23:27:32 +00:00
parent 7774bfebba
commit 2c3de3e169
9 changed files with 23 additions and 78 deletions
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6
docs/LangRef.rst
View File

@ -11869,11 +11869,10 @@ object following this intrinsic may be removed as dead.
Syntax:
"""""""
This is an overloaded intrinsic. The memory object can belong to any address space.
::
declare {}* @llvm.invariant.start.p0i8(i64 <size>, i8* nocapture <ptr>)
declare {}* @llvm.invariant.start(i64 <size>, i8* nocapture <ptr>)
Overview:
"""""""""
@ -11900,11 +11899,10 @@ unchanging.
Syntax:
"""""""
This is an overloaded intrinsic. The memory object can belong to any address space.
::
declare void @llvm.invariant.end.p0i8({}* <start>, i64 <size>, i8* nocapture <ptr>)
declare void @llvm.invariant.end({}* <start>, i64 <size>, i8* nocapture <ptr>)
Overview:
"""""""""

4
include/llvm/IR/Intrinsics.td
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@ -554,11 +554,11 @@ def int_lifetime_end : Intrinsic<[],
[llvm_i64_ty, llvm_ptr_ty],
[IntrArgMemOnly, NoCapture<1>]>;
def int_invariant_start : Intrinsic<[llvm_descriptor_ty],
[llvm_i64_ty, llvm_anyptr_ty],
[llvm_i64_ty, llvm_ptr_ty],
[IntrArgMemOnly, NoCapture<1>]>;
def int_invariant_end : Intrinsic<[],
[llvm_descriptor_ty, llvm_i64_ty,
llvm_anyptr_ty],
llvm_ptr_ty],
[IntrArgMemOnly, NoCapture<2>]>;
def int_invariant_group_barrier : Intrinsic<[llvm_ptr_ty],

28
lib/IR/AutoUpgrade.cpp
View File

@ -148,31 +148,7 @@ static bool UpgradeIntrinsicFunction1(Function *F, Function *&NewFn) {
}
break;
}
case 'i': {
if (Name.startswith("invariant.start")) {
auto Args = F->getFunctionType()->params();
Type* ObjectPtr[1] = {Args[1]};
if (F->getName() !=
Intrinsic::getName(Intrinsic::invariant_start, ObjectPtr)) {
F->setName(Name + ".old");
NewFn = Intrinsic::getDeclaration(
F->getParent(), Intrinsic::invariant_start, ObjectPtr);
return true;
}
}
if (Name.startswith("invariant.end")) {
auto Args = F->getFunctionType()->params();
Type* ObjectPtr[1] = {Args[2]};
if (F->getName() !=
Intrinsic::getName(Intrinsic::invariant_end, ObjectPtr)) {
F->setName(Name + ".old");
NewFn = Intrinsic::getDeclaration(F->getParent(),
Intrinsic::invariant_end, ObjectPtr);
return true;
}
}
break;
}
case 'm': {
if (Name.startswith("masked.load.")) {
Type *Tys[] = { F->getReturnType(), F->arg_begin()->getType() };
@ -1363,8 +1339,6 @@ void llvm::UpgradeIntrinsicCall(CallInst *CI, Function *NewFn) {
return;
}
case Intrinsic::invariant_start:
case Intrinsic::invariant_end:
case Intrinsic::masked_load:
case Intrinsic::masked_store: {
SmallVector<Value *, 4> Args(CI->arg_operands().begin(),

15
test/Assembler/auto_upgrade_intrinsics.ll
View File

@ -76,21 +76,6 @@ define void @tests.masked.store(<2 x double>* %ptr, <2 x i1> %mask, <2 x double>
ret void
}
declare {}* @llvm.invariant.start(i64, i8* nocapture) nounwind readonly
declare void @llvm.invariant.end({}*, i64, i8* nocapture) nounwind
define void @tests.invariant.start.end() {
; CHECK-LABEL: @tests.invariant.start.end(
%a = alloca i8
%i = call {}* @llvm.invariant.start(i64 1, i8* %a)
; CHECK: call {}* @llvm.invariant.start.p0i8
store i8 0, i8* %a
call void @llvm.invariant.end({}* %i, i64 1, i8* %a)
; CHECK: call void @llvm.invariant.end.p0i8
ret void
}
@__stack_chk_guard = external global i8*
declare void @llvm.stackprotectorcheck(i8**)

8
test/CodeGen/AMDGPU/promote-alloca-invariant-markers.ll
View File

@ -1,7 +1,7 @@
; RUN: llc -march=amdgcn -mattr=+promote-alloca -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
declare {}* @llvm.invariant.start.p0i8(i64, i8* nocapture) #0
declare void @llvm.invariant.end.p0i8({}*, i64, i8* nocapture) #0
declare {}* @llvm.invariant.start(i64, i8* nocapture) #0
declare void @llvm.invariant.end({}*, i64, i8* nocapture) #0
declare i8* @llvm.invariant.group.barrier(i8*) #1
; GCN-LABEL: {{^}}use_invariant_promotable_lds:
@ -14,8 +14,8 @@ bb:
%tmp2 = getelementptr inbounds i32, i32 addrspace(1)* %arg, i64 1
%tmp3 = load i32, i32 addrspace(1)* %tmp2
store i32 %tmp3, i32* %tmp
%tmp4 = call {}* @llvm.invariant.start.p0i8(i64 4, i8* %tmp1) #0
call void @llvm.invariant.end.p0i8({}* %tmp4, i64 4, i8* %tmp1) #0
%tmp4 = call {}* @llvm.invariant.start(i64 4, i8* %tmp1) #0
call void @llvm.invariant.end({}* %tmp4, i64 4, i8* %tmp1) #0
%tmp5 = call i8* @llvm.invariant.group.barrier(i8* %tmp1) #1
ret void
}

8
test/Feature/memorymarkers.ll
View File

@ -6,8 +6,8 @@ declare void @_Z3barRKi(i32*)
declare void @llvm.lifetime.start(i64, i8* nocapture) nounwind
declare void @llvm.lifetime.end(i64, i8* nocapture) nounwind
declare {}* @llvm.invariant.start.p0i8(i64, i8* nocapture) readonly nounwind
declare void @llvm.invariant.end.p0i8({}*, i64, i8* nocapture) nounwind
declare {}* @llvm.invariant.start(i64, i8* nocapture) readonly nounwind
declare void @llvm.invariant.end({}*, i64, i8* nocapture) nounwind
define i32 @_Z4foo2v() nounwind {
entry:
@ -24,12 +24,12 @@ entry:
store i32 5, i32* %1, align 4
;; Constructor has finished here.
%inv = call {}* @llvm.invariant.start.p0i8(i64 8, i8* %y)
%inv = call {}* @llvm.invariant.start(i64 8, i8* %y)
call void @_Z3barRKi(i32* %0) nounwind
%2 = load i32, i32* %0, align 8
;; Destructor is run here.
call void @llvm.invariant.end.p0i8({}* %inv, i64 8, i8* %y)
call void @llvm.invariant.end({}* %inv, i64 8, i8* %y)
;; Destructor is done here.
call void @llvm.lifetime.end(i64 8, i8* %y)
ret i32 %2

4
test/Transforms/GlobalOpt/invariant-nodatalayout.ll
View File

@ -1,14 +1,14 @@
; RUN: opt -globalopt -S -o - < %s | FileCheck %s
; The check here is that it doesn't crash.
declare {}* @llvm.invariant.start.p0i8(i64 %size, i8* nocapture %ptr)
declare {}* @llvm.invariant.start(i64 %size, i8* nocapture %ptr)
@object1 = global { i32, i32 } zeroinitializer
; CHECK: @object1 = global { i32, i32 } zeroinitializer
define void @ctor1() {
%ptr = bitcast {i32, i32}* @object1 to i8*
call {}* @llvm.invariant.start.p0i8(i64 4, i8* %ptr)
call {}* @llvm.invariant.start(i64 4, i8* %ptr)
ret void
}

10
test/Transforms/GlobalOpt/invariant.ll
View File

@ -3,10 +3,10 @@
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
declare {}* @llvm.invariant.start.p0i8(i64 %size, i8* nocapture %ptr)
declare {}* @llvm.invariant.start(i64 %size, i8* nocapture %ptr)
define void @test1(i8* %ptr) {
call {}* @llvm.invariant.start.p0i8(i64 4, i8* %ptr)
call {}* @llvm.invariant.start(i64 4, i8* %ptr)
ret void
}
@ -25,7 +25,7 @@ define void @ctor1() {
define void @ctor2() {
store i32 -1, i32* @object2
%A = bitcast i32* @object2 to i8*
%B = call {}* @llvm.invariant.start.p0i8(i64 4, i8* %A)
%B = call {}* @llvm.invariant.start(i64 4, i8* %A)
%C = bitcast {}* %B to i8*
ret void
}
@ -36,7 +36,7 @@ define void @ctor2() {
define void @ctor3() {
store i32 -1, i32* @object3
%A = bitcast i32* @object3 to i8*
call {}* @llvm.invariant.start.p0i8(i64 3, i8* %A)
call {}* @llvm.invariant.start(i64 3, i8* %A)
ret void
}
@ -46,7 +46,7 @@ define void @ctor3() {
define void @ctor4() {
store i32 -1, i32* @object4
%A = bitcast i32* @object4 to i8*
call {}* @llvm.invariant.start.p0i8(i64 -1, i8* %A)
call {}* @llvm.invariant.start(i64 -1, i8* %A)
ret void
}

18
test/Transforms/InstCombine/invariant.ll
View File

@ -2,27 +2,15 @@
; RUN: opt < %s -instcombine -S | FileCheck %s
declare void @g(i8*)
declare void @g_addr1(i8 addrspace(1)*)
declare {}* @llvm.invariant.start.p0i8(i64, i8* nocapture) nounwind readonly
declare {}* @llvm.invariant.start.p1i8(i64, i8 addrspace(1)* nocapture) nounwind readonly
declare {}* @llvm.invariant.start(i64, i8* nocapture) nounwind readonly
define i8 @f() {
%a = alloca i8 ; <i8*> [#uses=4]
store i8 0, i8* %a
%i = call {}* @llvm.invariant.start.p0i8(i64 1, i8* %a) ; <{}*> [#uses=0]
; CHECK: call {}* @llvm.invariant.start.p0i8
%i = call {}* @llvm.invariant.start(i64 1, i8* %a) ; <{}*> [#uses=0]
; CHECK: call {}* @llvm.invariant.start
call void @g(i8* %a)
%r = load i8, i8* %a ; <i8> [#uses=1]
ret i8 %r
}
; make sure llvm.invariant.call in non-default addrspace are also not eliminated.
define i8 @f_addrspace1(i8 addrspace(1)* %a) {
store i8 0, i8 addrspace(1)* %a
%i = call {}* @llvm.invariant.start.p1i8(i64 1, i8 addrspace(1)* %a) ; <{}*> [#uses=0]
; CHECK: call {}* @llvm.invariant.start.p1i8
call void @g_addr1(i8 addrspace(1)* %a)
%r = load i8, i8 addrspace(1)* %a ; <i8> [#uses=1]
ret i8 %r
}