Imported Upstream version 6.0.0.172

Former-commit-id: f3cc9b82f3e5bd8f0fd3ebc098f789556b44e9cd

external/llvm/test/tools/llvm-split/alias.ll

@@ -0,0 +1,19 @@
+; RUN: llvm-split -o %t %s
+; RUN: llvm-dis -o - %t0 | FileCheck --check-prefix=CHECK0 %s
+; RUN: llvm-dis -o - %t1 | FileCheck --check-prefix=CHECK1 %s
+
+; CHECK0-DAG: @afoo = alias [2 x i8*], [2 x i8*]* @foo
+; CHECK1-DAG: @afoo = external global [2 x i8*]
+@afoo = alias [2 x i8*], [2 x i8*]* @foo
+
+; CHECK0-DAG: declare void @abar()
+; CHECK1-DAG: @abar = alias void (), void ()* @bar
+@abar = alias void (), void ()* @bar
+
+@foo = global [2 x i8*] [i8* bitcast (void ()* @bar to i8*), i8* bitcast (void ()* @abar to i8*)]
+
+define void @bar() {
+  store [2 x i8*] zeroinitializer, [2 x i8*]* @foo
+  store [2 x i8*] zeroinitializer, [2 x i8*]* @afoo
+  ret void
+}

external/llvm/test/tools/llvm-split/blockaddress.ll

@@ -0,0 +1,37 @@
+; Test that blockaddress target is in the same partition.
+; RUN: llvm-split -j5 -o %t %s
+; RUN: llvm-dis -o - %t0 | FileCheck --check-prefix=CHECK0 %s
+; RUN: llvm-dis -o - %t1 | FileCheck --check-prefix=CHECK1234 %s
+; RUN: llvm-dis -o - %t2 | FileCheck --check-prefix=CHECK1234 %s
+; RUN: llvm-dis -o - %t3 | FileCheck --check-prefix=CHECK1234 %s
+; RUN: llvm-dis -o - %t4 | FileCheck --check-prefix=CHECK1234 %s
+
+; CHECK0:    @xxx = global [2 x i8*] [i8* blockaddress(@f, %exit), i8* blockaddress(@g, %exit)]
+; CHECK1234: @xxx = external global [2 x i8*]
+; CHECK1234-NOT: blockaddress
+@xxx = global [2 x i8*] [i8* blockaddress(@f, %exit), i8* blockaddress(@g, %exit)]
+
+; CHECK0:    define i32 @f()
+; CHECK1234: declare i32 @f()
+define i32 @f(){
+entry:
+  br label %exit
+exit:
+  ret i32 0
+}
+
+; CHECK0:    define i32 @g()
+; CHECK1234: declare i32 @g()
+define i32 @g(){
+entry:
+  br label %exit
+exit:
+  ret i32 0
+}
+
+; CHECK0:    define i8* @h()
+; CHECK1234: declare i8* @h()
+define i8* @h(){
+entry:
+  ret i8* blockaddress(@f, %exit)
+}

external/llvm/test/tools/llvm-split/comdat.ll

@@ -0,0 +1,19 @@
+; RUN: llvm-split -o %t %s
+; RUN: llvm-dis -o - %t0 | FileCheck --check-prefix=CHECK0 %s
+; RUN: llvm-dis -o - %t1 | FileCheck --check-prefix=CHECK1 %s
+
+$foo = comdat any
+
+; CHECK0: define void @foo()
+; CHECK1: declare void @foo()
+define void @foo() comdat {
+  call void @bar()
+  ret void
+}
+
+; CHECK0: define void @bar()
+; CHECK1: declare void @bar()
+define void @bar() comdat($foo) {
+  call void @foo()
+  ret void
+}

external/llvm/test/tools/llvm-split/extern_linkage.ll

@@ -0,0 +1,12 @@
+; Test that extern_weak linkage is preserved.
+; RUN: llvm-split -o %t %s
+; RUN: llvm-dis -o - %t0 | FileCheck %s
+; RUN: llvm-dis -o - %t1 | FileCheck %s
+
+; Both declarations are extern_weak in all partitions.
+
+; CHECK: @x = extern_weak global i32, align 4
+@x = extern_weak global i32, align 4
+
+; CHECK: declare extern_weak void @f(...)
+declare extern_weak void @f(...)

external/llvm/test/tools/llvm-split/function.ll

@@ -0,0 +1,17 @@
+; RUN: llvm-split -o %t %s
+; RUN: llvm-dis -o - %t0 | FileCheck --check-prefix=CHECK0 %s
+; RUN: llvm-dis -o - %t1 | FileCheck --check-prefix=CHECK1 %s
+
+; CHECK0: define void @foo()
+; CHECK1: declare void @foo()
+define void @foo() {
+  call void @bar()
+  ret void
+}
+
+; CHECK0: declare void @bar()
+; CHECK1: define void @bar()
+define void @bar() {
+  call void @foo()
+  ret void
+}

external/llvm/test/tools/llvm-split/global.ll

@@ -0,0 +1,11 @@
+; RUN: llvm-split -o %t %s
+; RUN: llvm-dis -o - %t0 | FileCheck --check-prefix=CHECK0 %s
+; RUN: llvm-dis -o - %t1 | FileCheck --check-prefix=CHECK1 %s
+
+; CHECK0: @foo = global i8* bitcast
+; CHECK1: @foo = external global i8*
+@foo = global i8* bitcast (i8** @bar to i8*)
+
+; CHECK0: @bar = external global i8*
+; CHECK1: @bar = global i8* bitcast
+@bar = global i8* bitcast (i8** @foo to i8*)

external/llvm/test/tools/llvm-split/internal.ll

@@ -0,0 +1,17 @@
+; RUN: llvm-split -o %t %s
+; RUN: llvm-dis -o - %t0 | FileCheck --check-prefix=CHECK0 %s
+; RUN: llvm-dis -o - %t1 | FileCheck --check-prefix=CHECK1 %s
+
+; CHECK0: define hidden void @foo()
+; CHECK1: declare hidden void @foo()
+define internal void @foo() {
+  call void @bar()
+  ret void
+}
+
+; CHECK0: declare void @bar()
+; CHECK1: define void @bar()
+define void @bar() {
+  call void @foo()
+  ret void
+}

external/llvm/test/tools/llvm-split/personality.ll

@@ -0,0 +1,18 @@
+; Test that "personality" attributes are correctly updated when cloning modules.
+; RUN: llvm-split -o %t %s
+; RUN: llvm-dis -o - %t0 | FileCheck --check-prefix=CHECK0 %s
+; RUN: llvm-dis -o - %t1 | FileCheck --check-prefix=CHECK1 %s
+
+; CHECK0: define void @foo()
+; CHECK1: declare void @foo()
+define void @foo() {
+  ret void
+}
+
+; CHECK0: declare void @bar()
+; CHECK0-NOT: personality
+; CHECK1: define void @bar() personality i8* bitcast (void ()* @foo to i8*)
+define void @bar() personality i8* bitcast (void ()* @foo to i8*)
+{
+  ret void
+}

external/llvm/test/tools/llvm-split/preserve-locals.ll

@@ -0,0 +1,65 @@
+; RUN: llvm-split -preserve-locals -o %t %s
+; RUN: llvm-dis -o - %t0 | FileCheck --check-prefix=CHECK0 %s
+; RUN: llvm-dis -o - %t1 | FileCheck --check-prefix=CHECK1 %s
+
+; The local_var and local_func must not be separated.
+; CHECK0: @local_var
+; CHECK0: define internal fastcc void @local_func
+; The main and a must not be separated.
+; The main and local_func must not be together.
+; CHECK1: @a
+; CHECK1: define i32 @main
+; CHECK1: declare fastcc void @local_func
+
+@a = internal global i32 0, align 4
+@global_storage = common global i32 0, align 4
+@local_var = internal global i32 0, align 4
+
+; Function Attrs: nounwind
+define i32 @main(i32 %x) {
+entry:
+  %call = call fastcc i32 @foo(i32 %x, i32* nonnull @a)
+  %call1 = call fastcc i32 @baz(i32 %x)
+  %add = add nsw i32 %call, %call1
+  ret i32 %add
+}
+
+; Function Attrs: nounwind
+define fastcc i32 @bar(i32 %b) {
+entry:
+  %call = call fastcc i32 @baz(i32 %b)
+  ret i32 %call
+}
+
+; Function Attrs: nounwind
+define fastcc i32 @baz(i32 %x) {
+entry:
+  store i32 %x, i32* @global_storage, align 4
+  %shl = shl i32 %x, %x
+  ret i32 %shl
+}
+
+; Function Attrs: noinline nounwind
+define fastcc i32 @foo(i32 %a, i32* nocapture %b) {
+entry:
+  call fastcc void @local_func()
+  %call = call fastcc i32 @bar(i32 %a)
+  %0 = load i32, i32* @global_storage, align 4
+  %call1 = call fastcc i32 @baz(i32 %0)
+  %add = add nsw i32 %call, %call1
+  store i32 %add, i32* %b, align 4
+  %call.i = call fastcc i32 @baz(i32 %add) #2
+  %add.i = add nsw i32 %call.i, 2
+  %1 = load volatile i32, i32* @local_var, align 4
+  %add3 = add nsw i32 %add.i, %1
+  ret i32 %add3
+}
+
+; Function Attrs: noinline nounwind
+define internal fastcc void @local_func() section ".text" {
+entry:
+  %0 = load i32, i32* @global_storage, align 4
+  %call = call fastcc i32 @foo(i32 %0, i32* null)
+  store volatile i32 %call, i32* @local_var, align 4
+  ret void
+}

external/llvm/test/tools/llvm-split/scc-alias.ll

@@ -0,0 +1,48 @@
+; All of the functions in this module must end up
+; in the same partition without change of scope.
+; RUN: llvm-split -j=2 -preserve-locals -o %t %s
+; RUN: llvm-dis -o - %t0 | FileCheck --check-prefix=CHECK1 %s
+; RUN: llvm-dis -o - %t1 | FileCheck --check-prefix=CHECK0 %s
+
+; CHECK0: declare i32 @funInternal
+; CHECK0: declare i32 @funExternal
+; CHECK0: declare i32 @funInternal2
+; CHECK0: declare i32 @funExternal2
+
+; All functions are in the same file.
+; Local functions are still local.
+; CHECK1: define internal i32 @funInternal
+; CHECK1: define i32 @funExternal
+; CHECK1: define internal i32 @funInternal2
+; CHECK1: define i32 @funExternal2
+
+
+@funInternalAlias = internal alias i32 (), i32 ()* @funInternal
+
+define internal i32 @funInternal() {
+entry:
+  ret i32 0
+}
+
+; Direct call to local alias
+
+define i32 @funExternal() {
+entry:
+  %x = call i32 @funInternalAlias()
+  ret i32 %x
+}
+
+; Call to local function that calls local alias
+
+define internal i32 @funInternal2() {
+entry:
+  %x = call i32 @funInternalAlias()
+  ret i32 %x
+}
+
+define i32 @funExternal2() {
+entry:
+  %x = call i32 @funInternal2()
+  ret i32 %x
+}
+

external/llvm/test/tools/llvm-split/scc-callchain.ll

@@ -0,0 +1,48 @@
+; All of the functions in this module must end up
+; in the same partition.
+
+; RUN: llvm-split -j=2 -preserve-locals -o %t %s
+; RUN: llvm-dis -o - %t0 | FileCheck --check-prefix=CHECK1 %s
+; RUN: llvm-dis -o - %t1 | FileCheck --check-prefix=CHECK0 %s
+
+; CHECK0: declare i32 @funInternal0
+; CHECK0: declare i32 @funInternal1
+; CHECK0: declare i32 @funInternal2
+; CHECK0: declare i32 @funExternal
+
+; All functions are in the same file.
+; Local functions are still local.
+; CHECK1: define internal i32 @funInternal0
+; CHECK1: define internal i32 @funInternal1
+; CHECK1: define internal i32 @funInternal2
+; CHECK1: define i32 @funExternal
+; CHECK1: define i32 @funExternal2
+
+define internal i32 @funInternal0() {
+entry:
+  ret i32 0
+}
+
+define internal i32 @funInternal1() {
+entry:
+  %x = call i32 @funInternal0()
+  ret i32 %x
+}
+
+define internal i32 @funInternal2() {
+entry:
+  %x = call i32 @funInternal1()
+  ret i32 %x
+}
+
+define i32 @funExternal() {
+entry:
+  %x = call i32 @funInternal2()
+  ret i32 %x
+}
+
+define i32 @funExternal2() {
+entry:
+  %x = call i32 @funInternal0()
+  ret i32 %x
+}

external/llvm/test/tools/llvm-split/scc-comdat.ll

@@ -0,0 +1,32 @@
+; All functions in the same comdat group must
+; be in the same module
+
+; RUN: llvm-split -j=2 -preserve-locals -o %t %s
+; RUN: llvm-dis -o - %t0 | FileCheck --check-prefix=CHECK1 %s
+; RUN: llvm-dis -o - %t1 | FileCheck --check-prefix=CHECK0 %s
+
+; CHECK0: declare i32 @fun1
+; CHECK0: declare i32 @fun2
+; CHECK0: declare i32 @fun3
+
+; CHECK1: define internal i32 @fun1
+; CHECK1: define internal i32 @fun2
+; CHECK1: define i32 @fun3
+
+$fun = comdat any
+
+define internal i32 @fun1() section ".text.funs" comdat($fun) {
+entry:
+  ret i32 0
+}
+
+define internal i32 @fun2() section ".text.funs" comdat($fun) {
+entry:
+  ret i32 0
+}
+
+define i32 @fun3() section ".text.funs" comdat($fun) {
+entry:
+  ret i32 0
+}
+

external/llvm/test/tools/llvm-split/scc-const-alias.ll

@@ -0,0 +1,38 @@
+; We should never separate alias from aliasee.
+; RUN: llvm-split -j=3 -preserve-locals -o %t %s
+; RUN: llvm-dis -o - %t0 | FileCheck --check-prefix=CHECK0 %s
+; RUN: llvm-dis -o - %t1 | FileCheck --check-prefix=CHECK1 %s
+; RUN: llvm-dis -o - %t2 | FileCheck --check-prefix=CHECK2 %s
+
+; Checks are not critical here - verifier will assert if we fail.
+; CHECK0: @g1 = global i32 99
+; CHECK0: @c1Alias = external global i8
+; CHECK0: @g1Alias = internal alias i8, bitcast (i32* @g1 to i8*)
+
+; CHECK1: @g1 = external global i32
+; CHECK1: @c1Alias = internal alias i8, inttoptr (i64 42 to i8*)
+
+; Third file is actually empty.
+; CHECK2: @g1 = external global i32
+; CHECK2: @g1Alias = external global i8
+; CHECK2: @c1Alias = external global i8
+
+@g1 = global i32 99
+
+@g1Alias = internal alias i8, bitcast (i32* @g1 to i8*)
+@c1Alias = internal alias i8, inttoptr (i64 42 to i8*)
+@funExternalAlias = alias i8 (), i8 ()* @funExternal
+
+define i8 @funExternal() {
+entry:
+  %x = load i8, i8* @g1Alias
+  ret i8 %x
+}
+
+define i8 @funExternal2() {
+entry:
+  %x = load i8, i8* @c1Alias
+  %y = call i8 @funExternalAlias()
+  %z = add i8 %x, %y
+  ret i8 %z
+}

external/llvm/test/tools/llvm-split/scc-constants.ll

@@ -0,0 +1,48 @@
+; All of the functions in this module must end up
+; in the same partition.
+
+; RUN: llvm-split -j=2 -preserve-locals -o %t %s
+; RUN: llvm-dis -o - %t0 | FileCheck --check-prefix=CHECK1 %s
+; RUN: llvm-dis -o - %t1 | FileCheck --check-prefix=CHECK0 %s
+
+; CHECK0: declare i32 @foo
+; CHECK0: declare i32 @baz
+; CHECK0: declare i32 @bar
+; CHECK0: declare i32 @bar2
+
+; CHECK1: @bla
+; CHECK1: @bla2
+; CHECK1: define internal i32 @foo
+; CHECK1: define internal i32 @baz
+; CHECK1: define i32 @bar
+; CHECK1: define i32 @bar2
+
+%struct.anon = type { i64, i64 }
+
+@bla = internal global %struct.anon { i64 1, i64 2 }, align 8
+@bla2 = internal global %struct.anon { i64 1, i64 2 }, align 8
+
+define internal i32 @foo() {
+entry:
+  store i64 5, i64* getelementptr inbounds (%struct.anon, %struct.anon* @bla, i32 0, i32 0), align 8
+  store i32 -1, i32* bitcast (i64* getelementptr inbounds (%struct.anon, %struct.anon* @bla2, i32 0, i32 1) to i32*), align 8
+  ret i32 0
+}
+
+define internal i32 @baz() {
+entry:
+  store i64 5, i64* getelementptr inbounds (%struct.anon, %struct.anon* @bla, i32 0, i32 0), align 8
+  store i32 -1, i32* bitcast (i64* getelementptr inbounds (%struct.anon, %struct.anon* @bla2, i32 0, i32 1) to i32*), align 8
+  ret i32 0
+}
+
+define i32 @bar() {
+  %call = call i32 @foo()
+  ret i32 0
+}
+
+define i32 @bar2() {
+  %call = call i32 @baz()
+  ret i32 0
+}
+

external/llvm/test/tools/llvm-split/scc-cycle.ll

@@ -0,0 +1,44 @@
+; All of the functions in this module must end up
+; in the same partition.
+
+; Mutually recursive calls
+; RUN: llvm-split -j=2 -preserve-locals -o %t %s
+; RUN: llvm-dis -o - %t0 | FileCheck --check-prefix=CHECK1 %s
+; RUN: llvm-dis -o - %t1 | FileCheck --check-prefix=CHECK0 %s
+
+; CHECK0: declare i32 @funInternal0
+; CHECK0: declare i32 @funInternal1
+; CHECK0: declare i32 @funExternal0
+; CHECK0: declare i32 @funExternal1
+
+; CHECK1: define internal i32 @funInternal0
+; CHECK1: define internal i32 @funInternal1
+; CHECK1: define i32 @funExternal0
+; CHECK1: define i32 @funExternal1
+
+define internal i32 @funInternal0() {
+entry:
+  %x = call i32 @funInternal1()
+  ret i32 %x
+}
+
+define internal i32 @funInternal1() {
+entry:
+  %x = call i32 @funInternal0()
+  ret i32 %x
+}
+
+; Extrnal functions
+
+define i32 @funExternal0() {
+entry:
+  %x = call i32 @funInternal0()
+  ret i32 %x
+}
+
+define i32 @funExternal1() {
+entry:
+  %x = call i32 @funInternal1()
+  ret i32 %x
+}
+

external/llvm/test/tools/llvm-split/scc-global-alias.ll

@@ -0,0 +1,47 @@
+; We should never separate alias from aliasee.
+; RUN: llvm-split -j=3 -preserve-locals -o %t %s
+; RUN: llvm-dis -o - %t0 | FileCheck --check-prefix=CHECK0 %s
+; RUN: llvm-dis -o - %t1 | FileCheck --check-prefix=CHECK1 %s
+; RUN: llvm-dis -o - %t2 | FileCheck --check-prefix=CHECK2 %s
+
+; Checks are not critical here - verifier will assert if we fail.
+; CHECK0: @funInternal2Alias = alias
+; CHECK0: @funExternal2Alias = alias
+; CHECK0: define internal i32 @funInternal2
+; CHECK0: define i32 @funExternal2
+
+; CHECK1: @funInternalAlias = alias
+; CHECK1: define internal i32 @funInternal
+
+; CHECK2: @funExternalAlias = alias
+; CHECK2: define i32 @funExternal
+
+@funInternalAlias = alias i32 (), i32 ()* @funInternal
+@funExternalAlias = alias i32 (), i32 ()* @funExternal
+@funInternal2Alias = alias i32 (), i32 ()* @funInternal2
+@funExternal2Alias = alias i32 (), i32 ()* @funExternal2
+
+define internal i32 @funInternal() {
+entry:
+  ret i32 0
+}
+
+define i32 @funExternal() {
+entry:
+  %x = call i32 @funInternalAlias()
+  ret i32 %x
+}
+
+define internal i32 @funInternal2() {
+entry:
+  %x = call i32 @funInternalAlias()
+  ret i32 %x
+}
+
+define i32 @funExternal2() {
+entry:
+  %x = call i32 @funInternal2()
+  %y = call i32 @funExternalAlias()
+  %z = add nsw i32 %x, %y
+  ret i32 %z
+}

external/llvm/test/tools/llvm-split/scc-global2global.ll

@@ -0,0 +1,28 @@
+; All of the functions and globals in this module must end up
+; in the same partition.
+
+; RUN: llvm-split -j=2 -preserve-locals -o %t %s
+; RUN: llvm-dis -o - %t0 | FileCheck --check-prefix=CHECK1 %s
+; RUN: llvm-dis -o - %t1 | FileCheck --check-prefix=CHECK0 %s
+
+; CHECK0: declare %struct.anon* @local0
+; CHECK0: declare i8** @local1
+
+; CHECK1: @bla
+; CHECK1: @ptr
+; CHECK1: define internal %struct.anon* @local0
+; CHECK1: define internal i8** @local1
+
+%struct.anon = type { i64, i64 }
+
+@bla = internal global %struct.anon { i64 1, i64 2 }, align 8
+@ptr = internal global i8* bitcast (%struct.anon* @bla to i8*), align 4
+
+define internal %struct.anon* @local0() {
+  ret %struct.anon* @bla
+}
+
+define internal i8** @local1() {
+  ret i8** @ptr
+}
+

external/llvm/test/tools/llvm-split/unnamed.ll

@@ -0,0 +1,31 @@
+; RUN: llvm-split -o %t %s
+; RUN: llvm-dis -o - %t0 | FileCheck --check-prefix=CHECK0 %s
+; RUN: llvm-dis -o - %t1 | FileCheck --check-prefix=CHECK1 %s
+
+; CHECK0: declare hidden void @__llvmsplit_unnamed()
+; CHECK1: define hidden void @__llvmsplit_unnamed()
+define internal void @0() {
+  ; CHECK1: call void @foo()
+  call void @foo()
+  ret void
+}
+
+; CHECK0: declare hidden void @__llvmsplit_unnamed.1()
+; CHECK1: define hidden void @__llvmsplit_unnamed.1()
+define internal void @1() {
+  ; CHECK1: call void @foo()
+  ; CHECK1: call void @foo()
+  call void @foo()
+  call void @foo()
+  ret void
+}
+
+; CHECK0: define void @foo()
+; CHECK1: declare void @foo()
+define void @foo() {
+  ; CHECK0: call void @__llvmsplit_unnamed.1()
+  ; CHECK0: call void @__llvmsplit_unnamed()
+  call void @1()
+  call void @0()
+  ret void
+}