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Move GlobalMerge from Transform to CodeGen.

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This patch is to move GlobalMerge pass from Transform/Scalar                                                           
to CodeGen, because GlobalMerge depends on TargetMachine.
In the mean time, the macro INITIALIZE_TM_PASS is also moved
to CodeGen/Passes.h. With this fix we can avoid making
libScalarOpts depend on libCodeGen.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210951 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jiangning Liu 2014-06-13 22:57:59 +00:00
parent 7354a3fe57
commit c5bc067a0f
16 changed files with 152 additions and 157 deletions
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17
include/llvm/CodeGen/Passes.h
View File

@ -592,4 +592,21 @@ namespace llvm {
ModulePass *createJumpInstrTablesPass();
} // End llvm namespace
/// This initializer registers TargetMachine constructor, so the pass being
/// initialized can use target dependent interfaces. Please do not move this
/// macro to be together with INITIALIZE_PASS, which is a complete target
/// independent initializer, and we don't want to make libScalarOpts depend
/// on libCodeGen.
#define INITIALIZE_TM_PASS(passName, arg, name, cfg, analysis) \
static void* initialize##passName##PassOnce(PassRegistry &Registry) { \
PassInfo *PI = new PassInfo(name, arg, & passName ::ID, \
PassInfo::NormalCtor_t(callDefaultCtor< passName >), cfg, analysis, \
PassInfo::TargetMachineCtor_t(callTargetMachineCtor< passName >)); \
Registry.registerPass(*PI, true); \
return PI; \
} \
void llvm::initialize##passName##Pass(PassRegistry &Registry) { \
CALL_ONCE_INITIALIZATION(initialize##passName##PassOnce) \
}
#endif

12
include/llvm/PassSupport.h
View File

@ -53,18 +53,6 @@ class TargetMachine;
} \
TsanHappensAfter(&initialized);
#define INITIALIZE_TM_PASS(passName, arg, name, cfg, analysis) \
static void* initialize##passName##PassOnce(PassRegistry &Registry) { \
PassInfo *PI = new PassInfo(name, arg, & passName ::ID, \
PassInfo::NormalCtor_t(callDefaultCtor< passName >), cfg, analysis, \
PassInfo::TargetMachineCtor_t(callTargetMachineCtor< passName >)); \
Registry.registerPass(*PI, true); \
return PI; \
} \
void llvm::initialize##passName##Pass(PassRegistry &Registry) { \
CALL_ONCE_INITIALIZATION(initialize##passName##PassOnce) \
}
#define INITIALIZE_PASS(passName, arg, name, cfg, analysis) \
static void* initialize##passName##PassOnce(PassRegistry &Registry) { \
PassInfo *PI = new PassInfo(name, arg, & passName ::ID, \

1
lib/CodeGen/CMakeLists.txt
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@ -22,6 +22,7 @@ add_llvm_library(LLVMCodeGen
GCMetadata.cpp
GCMetadataPrinter.cpp
GCStrategy.cpp
GlobalMerge.cpp
IfConversion.cpp
InlineSpiller.cpp
InterferenceCache.cpp

1
lib/Transforms/Scalar/GlobalMerge.cpp → lib/CodeGen/GlobalMerge.cpp
View File

@ -64,6 +64,7 @@
#include "llvm/IR/Intrinsics.h"
#include "llvm/IR/Module.h"
#include "llvm/Pass.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Target/TargetLowering.h"
#include "llvm/Target/TargetLoweringObjectFile.h"

1
lib/Transforms/Scalar/CMakeLists.txt
View File

@ -8,7 +8,6 @@ add_llvm_library(LLVMScalarOpts
EarlyCSE.cpp
FlattenCFGPass.cpp
GVN.cpp
GlobalMerge.cpp
IndVarSimplify.cpp
JumpThreading.cpp
LICM.cpp

1
lib/Transforms/Scalar/Scalar.cpp
View File

@ -38,7 +38,6 @@ void llvm::initializeScalarOpts(PassRegistry &Registry) {
initializeDSEPass(Registry);
initializeGVNPass(Registry);
initializeEarlyCSEPass(Registry);
initializeGlobalMergePass(Registry);
initializeIndVarSimplifyPass(Registry);
initializeJumpThreadingPass(Registry);
initializeLICMPass(Registry);

26
test/CodeGen/AArch64/global-merge-1.ll Normal file
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@ -0,0 +1,26 @@
; RUN: llc %s -mtriple=aarch64-none-linux-gnu -enable-global-merge -o - | FileCheck %s
; RUN: llc %s -mtriple=aarch64-none-linux-gnu -enable-global-merge -global-merge-on-external -o - | FileCheck %s
; RUN: llc %s -mtriple=aarch64-linux-gnuabi -enable-global-merge -o - | FileCheck %s
; RUN: llc %s -mtriple=aarch64-linux-gnuabi -enable-global-merge -global-merge-on-external -o - | FileCheck %s
; RUN: llc %s -mtriple=aarch64-apple-ios -enable-global-merge -o - | FileCheck %s --check-prefix=CHECK-APPLE-IOS
; RUN: llc %s -mtriple=aarch64-apple-ios -enable-global-merge -global-merge-on-external -o - | FileCheck %s --check-prefix=CHECK-APPLE-IOS
@m = internal global i32 0, align 4
@n = internal global i32 0, align 4
define void @f1(i32 %a1, i32 %a2) {
;CHECK-APPLE-IOS: adrp x8, __MergedGlobals@PAGE
;CHECK-APPLE-IOS-NOT: adrp
;CHECK-APPLE-IOS: add x8, x8, __MergedGlobals@PAGEOFF
store i32 %a1, i32* @m, align 4
store i32 %a2, i32* @n, align 4
ret void
}
;CHECK: .type _MergedGlobals,@object // @_MergedGlobals
;CHECK: .local _MergedGlobals
;CHECK: .comm _MergedGlobals,8,8
;CHECK-APPLE-IOS: .zerofill __DATA,__bss,__MergedGlobals,8,3 ; @_MergedGlobals

51
test/CodeGen/AArch64/global-merge-2.ll Normal file
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@ -0,0 +1,51 @@
; RUN: llc %s -mtriple=aarch64-none-linux-gnu -enable-global-merge -global-merge-on-external -o - | FileCheck %s
; RUN: llc %s -mtriple=aarch64-linux-gnuabi -enable-global-merge -global-merge-on-external -o - | FileCheck %s
; RUN: llc %s -mtriple=aarch64-apple-ios -enable-global-merge -global-merge-on-external -o - | FileCheck %s --check-prefix=CHECK-APPLE-IOS
@x = global i32 0, align 4
@y = global i32 0, align 4
@z = global i32 0, align 4
define void @f1(i32 %a1, i32 %a2) {
;CHECK-APPLE-IOS-LABEL: _f1:
;CHECK-APPLE-IOS: adrp x8, __MergedGlobals_x@PAGE
;CHECK-APPLE-IOS: add x8, x8, __MergedGlobals_x@PAGEOFF
;CHECK-APPLE-IOS-NOT: adrp
store i32 %a1, i32* @x, align 4
store i32 %a2, i32* @y, align 4
ret void
}
define void @g1(i32 %a1, i32 %a2) {
;CHECK-APPLE-IOS-LABEL: _g1:
;CHECK-APPLE-IOS: adrp x8, __MergedGlobals_x@PAGE
;CHECK-APPLE-IOS: add x8, x8, __MergedGlobals_x@PAGEOFF
;CHECK-APPLE-IOS-NOT: adrp
store i32 %a1, i32* @y, align 4
store i32 %a2, i32* @z, align 4
ret void
}
;CHECK: .type _MergedGlobals_x,@object // @_MergedGlobals_x
;CHECK: .globl _MergedGlobals_x
;CHECK: .align 3
;CHECK: _MergedGlobals_x:
;CHECK: .size _MergedGlobals_x, 12
;CHECK: .globl x
;CHECK: x = _MergedGlobals_x
;CHECK: .globl y
;CHECK: y = _MergedGlobals_x+4
;CHECK: .globl z
;CHECK: z = _MergedGlobals_x+8
;CHECK-APPLE-IOS: .globl __MergedGlobals_x ; @_MergedGlobals_x
;CHECK-APPLE-IOS: .zerofill __DATA,__common,__MergedGlobals_x,12,3
;CHECK-APPLE-IOS: .globl _x
;CHECK-APPLE-IOS: _x = __MergedGlobals_x
;CHECK-APPLE-IOS: .globl _y
;CHECK-APPLE-IOS: _y = __MergedGlobals_x+4
;CHECK-APPLE-IOS: .globl _z
;CHECK-APPLE-IOS: _z = __MergedGlobals_x+8
;CHECK-APPLE-IOS: .subsections_via_symbols

51
test/CodeGen/AArch64/global-merge-3.ll Normal file
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@ -0,0 +1,51 @@
; RUN: llc %s -mtriple=aarch64-none-linux-gnu -enable-global-merge -global-merge-on-external -o - | FileCheck %s
; RUN: llc %s -mtriple=aarch64-linux-gnuabi -enable-global-merge -global-merge-on-external -o - | FileCheck %s
; RUN: llc %s -mtriple=aarch64-apple-ios -enable-global-merge -global-merge-on-external -o - | FileCheck %s --check-prefix=CHECK-APPLE-IOS
@x = global [1000 x i32] zeroinitializer, align 1
@y = global [1000 x i32] zeroinitializer, align 1
@z = internal global i32 1, align 4
define void @f1(i32 %a1, i32 %a2, i32 %a3) {
;CHECK-APPLE-IOS: adrp x8, __MergedGlobals_x@PAGE
;CHECK-APPLE-IOS-NOT: adrp
;CHECK-APPLE-IOS: add x8, x8, __MergedGlobals_x@PAGEOFF
;CHECK-APPLE-IOS: adrp x9, __MergedGlobals_y@PAGE
;CHECK-APPLE-IOS: add x9, x9, __MergedGlobals_y@PAGEOFF
%x3 = getelementptr inbounds [1000 x i32]* @x, i32 0, i64 3
%y3 = getelementptr inbounds [1000 x i32]* @y, i32 0, i64 3
store i32 %a1, i32* %x3, align 4
store i32 %a2, i32* %y3, align 4
store i32 %a3, i32* @z, align 4
ret void
}
;CHECK: .type _MergedGlobals_x,@object // @_MergedGlobals_x
;CHECK: .globl _MergedGlobals_x
;CHECK: .align 4
;CHECK: _MergedGlobals_x:
;CHECK: .size _MergedGlobals_x, 4004
;CHECK: .type _MergedGlobals_y,@object // @_MergedGlobals_y
;CHECK: .globl _MergedGlobals_y
;CHECK: _MergedGlobals_y:
;CHECK: .size _MergedGlobals_y, 4000
;CHECK-APPLE-IOS: .globl __MergedGlobals_x ; @_MergedGlobals_x
;CHECK-APPLE-IOS: .align 4
;CHECK-APPLE-IOS: __MergedGlobals_x:
;CHECK-APPLE-IOS: .long 1
;CHECK-APPLE-IOS: .space 4000
;CHECK-APPLE-IOS: .globl __MergedGlobals_y ; @_MergedGlobals_y
;CHECK-APPLE-IOS: .zerofill __DATA,__common,__MergedGlobals_y,4000,4
;CHECK: .globl x
;CHECK: x = _MergedGlobals_x+4
;CHECK: .globl y
;CHECK: y = _MergedGlobals_y
;CHECK-APPLE-IOS:.globl _x
;CHECK-APPLE-IOS: _x = __MergedGlobals_x+4
;CHECK-APPLE-IOS:.globl _y
;CHECK-APPLE-IOS: _y = __MergedGlobals_y

8
test/Transforms/GlobalMerge/AArch64/arm64.ll → test/CodeGen/AArch64/global-merge-4.ll
View File

@ -1,6 +1,4 @@
; RUN: opt %s -mtriple=aarch64-linux-gnuabi -global-merge -S -o - | FileCheck %s
; CHECK: @_MergedGlobals = internal global { [5 x i32], [5 x i32], [5 x i32] } zeroinitializer
; RUN: llc %s -mtriple=aarch64-linux-gnuabi -enable-global-merge -o - | FileCheck %s
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-n32:64-S128"
target triple = "arm64-apple-ios7.0.0"
@ -66,6 +64,10 @@ define internal i32* @returnFoo() #1 {
ret i32* getelementptr inbounds ([5 x i32]* @foo, i64 0, i64 0)
}
;CHECK: .type _MergedGlobals,@object // @_MergedGlobals
;CHECK: .local _MergedGlobals
;CHECK: .comm _MergedGlobals,60,16
attributes #0 = { nounwind ssp }
attributes #1 = { nounwind readnone ssp }
attributes #2 = { nounwind }

22
test/Transforms/GlobalMerge/AArch64/global-merge-1.ll
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@ -1,22 +0,0 @@
; RUN: opt %s -mtriple=aarch64-none-linux-gnu -global-merge -S -o - | FileCheck %s
; RUN: opt %s -mtriple=aarch64-none-linux-gnu -global-merge -global-merge-on-external -S -o - | FileCheck %s
; RUN: opt %s -mtriple=aarch64-linux-gnuabi -global-merge -S -o - | FileCheck %s
; RUN: opt %s -mtriple=aarch64-linux-gnuabi -global-merge -global-merge-on-external -S -o - | FileCheck %s
; RUN: opt %s -mtriple=aarch64-apple-ios -global-merge -S -o - | FileCheck %s
; RUN: opt %s -mtriple=aarch64-apple-ios -global-merge -global-merge-on-external -S -o - | FileCheck %s
@m = internal global i32 0, align 4
@n = internal global i32 0, align 4
; CHECK: @_MergedGlobals = internal global { i32, i32 } zeroinitializer
define void @f1(i32 %a1, i32 %a2) {
; CHECK-LABEL: @f1
; CHECK: getelementptr inbounds ({ i32, i32 }* @_MergedGlobals, i32 0, i32 0)
; CHECK: getelementptr inbounds ({ i32, i32 }* @_MergedGlobals, i32 0, i32 1)
store i32 %a1, i32* @m, align 4
store i32 %a2, i32* @n, align 4
ret void
}

30
test/Transforms/GlobalMerge/AArch64/global-merge-2.ll
View File

@ -1,30 +0,0 @@
; RUN: opt %s -mtriple=aarch64-none-linux-gnu -global-merge -global-merge-on-external -S -o - | FileCheck %s
; RUN: opt %s -mtriple=aarch64-linux-gnuabi -global-merge -global-merge-on-external -S -o - | FileCheck %s
; RUN: opt %s -mtriple=aarch64-apple-ios -global-merge -global-merge-on-external -S -o - | FileCheck %s
@x = global i32 0, align 4
@y = global i32 0, align 4
@z = global i32 0, align 4
; CHECK: @_MergedGlobals_x = global { i32, i32, i32 } zeroinitializer
; CHECK: @x = alias getelementptr inbounds ({ i32, i32, i32 }* @_MergedGlobals_x, i32 0, i32 0)
; CHECK: @y = alias getelementptr inbounds ({ i32, i32, i32 }* @_MergedGlobals_x, i32 0, i32 1)
; CHECK: @z = alias getelementptr inbounds ({ i32, i32, i32 }* @_MergedGlobals_x, i32 0, i32 2)
define void @f1(i32 %a1, i32 %a2) {
; CHECK-LABEL: @f1
; CHECK: getelementptr inbounds ({ i32, i32, i32 }* @_MergedGlobals_x, i32 0, i32 0)
; CHECK: getelementptr inbounds ({ i32, i32, i32 }* @_MergedGlobals_x, i32 0, i32 1)
store i32 %a1, i32* @x, align 4
store i32 %a2, i32* @y, align 4
ret void
}
define void @g1(i32 %a1, i32 %a2) {
; CHECK-LABEL: @g1
; CHECK: getelementptr inbounds ({ i32, i32, i32 }* @_MergedGlobals_x, i32 0, i32 1)
; CHECK: getelementptr inbounds ({ i32, i32, i32 }* @_MergedGlobals_x, i32 0, i32 2)
store i32 %a1, i32* @y, align 4
store i32 %a2, i32* @z, align 4
ret void
}

27
test/Transforms/GlobalMerge/AArch64/global-merge-3.ll
View File

@ -1,27 +0,0 @@
; RUN: opt %s -mtriple=aarch64-none-linux-gnu -global-merge -global-merge-on-external -S -o - | FileCheck %s
; RUN: opt %s -mtriple=aarch64-linux-gnuabi -global-merge -global-merge-on-external -S -o - | FileCheck %s
; RUN: opt %s -mtriple=aarch64-apple-ios -global-merge -global-merge-on-external -S -o - | FileCheck %s
@x = global [1000 x i32] zeroinitializer, align 1
@y = global [1000 x i32] zeroinitializer, align 1
@z = internal global i32 1, align 4
; CHECK: @_MergedGlobals_x = global { i32, [1000 x i32] } { i32 1, [1000 x i32] zeroinitializer }
; CHECK: @_MergedGlobals_y = global { [1000 x i32] } zeroinitializer
; CHECK: @x = alias getelementptr inbounds ({ i32, [1000 x i32] }* @_MergedGlobals_x, i32 0, i32 1)
; CHECK: @y = alias getelementptr inbounds ({ [1000 x i32] }* @_MergedGlobals_y, i32 0, i32 0)
define void @f1(i32 %a1, i32 %a2, i32 %a3) {
; CHECK-LABEL: @f1
; CHECK: %x3 = getelementptr inbounds [1000 x i32]* getelementptr inbounds ({ i32, [1000 x i32] }* @_MergedGlobals_x, i32 0, i32 1), i32 0, i64 3
; CHECK: %y3 = getelementptr inbounds [1000 x i32]* getelementptr inbounds ({ [1000 x i32] }* @_MergedGlobals_y, i32 0, i32 0), i32 0, i64 3
; CHECK: store i32 %a3, i32* getelementptr inbounds ({ i32, [1000 x i32] }* @_MergedGlobals_x, i32 0, i32 0), align 4
%x3 = getelementptr inbounds [1000 x i32]* @x, i32 0, i64 3
%y3 = getelementptr inbounds [1000 x i32]* @y, i32 0, i64 3
store i32 %a1, i32* %x3, align 4
store i32 %a2, i32* %y3, align 4
store i32 %a3, i32* @z, align 4
ret void
}

3
test/Transforms/GlobalMerge/AArch64/lit.local.cfg
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@ -1,3 +0,0 @@
if not 'AArch64' in config.root.targets:
config.unsupported = True

55
test/Transforms/GlobalMerge/ARM/arm.ll
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@ -1,55 +0,0 @@
; RUN: opt %s -mtriple=arm-linux-gnuabi -global-merge -S -o - | FileCheck %s
target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:32:64-v128:32:128-a0:0:32-n32-S32"
target triple = "thumbv7-apple-ios3.0.0"
@bar = internal global [5 x i32] zeroinitializer, align 4
@baz = internal global [5 x i32] zeroinitializer, align 4
@foo = internal global [5 x i32] zeroinitializer, align 4
; CHECK: @_MergedGlobals = internal global { [5 x i32], [5 x i32], [5 x i32] } zeroinitializer
; Function Attrs: nounwind ssp
define internal void @initialize() #0 {
%1 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #3
store i32 %1, i32* getelementptr inbounds ([5 x i32]* @bar, i32 0, i32 0), align 4
%2 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #3
store i32 %2, i32* getelementptr inbounds ([5 x i32]* @baz, i32 0, i32 0), align 4
%3 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #3
store i32 %3, i32* getelementptr inbounds ([5 x i32]* @bar, i32 0, i32 1), align 4
%4 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #3
store i32 %4, i32* getelementptr inbounds ([5 x i32]* @baz, i32 0, i32 1), align 4
%5 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #3
store i32 %5, i32* getelementptr inbounds ([5 x i32]* @bar, i32 0, i32 2), align 4
%6 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #3
store i32 %6, i32* getelementptr inbounds ([5 x i32]* @baz, i32 0, i32 2), align 4
%7 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #3
store i32 %7, i32* getelementptr inbounds ([5 x i32]* @bar, i32 0, i32 3), align 4
%8 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #3
store i32 %8, i32* getelementptr inbounds ([5 x i32]* @baz, i32 0, i32 3), align 4
%9 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #3
store i32 %9, i32* getelementptr inbounds ([5 x i32]* @bar, i32 0, i32 4), align 4
%10 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #3
store i32 %10, i32* getelementptr inbounds ([5 x i32]* @baz, i32 0, i32 4), align 4
ret void
}
declare i32 @calc(...) #1
; Function Attrs: nounwind ssp
define internal void @calculate() #0 {
%1 = load <4 x i32>* bitcast ([5 x i32]* @bar to <4 x i32>*), align 4
%2 = load <4 x i32>* bitcast ([5 x i32]* @baz to <4 x i32>*), align 4
%3 = mul <4 x i32> %2, %1
store <4 x i32> %3, <4 x i32>* bitcast ([5 x i32]* @foo to <4 x i32>*), align 4
%4 = load i32* getelementptr inbounds ([5 x i32]* @bar, i32 0, i32 4), align 4
%5 = load i32* getelementptr inbounds ([5 x i32]* @baz, i32 0, i32 4), align 4
%6 = mul nsw i32 %5, %4
store i32 %6, i32* getelementptr inbounds ([5 x i32]* @foo, i32 0, i32 4), align 4
ret void
}
; Function Attrs: nounwind readnone ssp
define internal i32* @returnFoo() #2 {
ret i32* getelementptr inbounds ([5 x i32]* @foo, i32 0, i32 0)
}

3
test/Transforms/GlobalMerge/ARM/lit.local.cfg
View File

@ -1,3 +0,0 @@
if not 'ARM' in config.root.targets:
config.unsupported = True