Update to LLVM 3.5a.

Change-Id: Ifadecab779f128e62e430c2b4f6ddd84953ed617

7 files changed, 126 insertions, 1 deletions

diff --git a/test/LTO/current-section.ll b/test/LTO/current-section.ll
new file mode 100644
index 0000000..f79b378
--- /dev/null
+++ b/test/LTO/current-section.ll
@@ -0,0 +1,4 @@
+; RUN: llvm-as < %s >%t1
+; RUN: llvm-lto -o %t2 %t1
+
+module asm ".align 4"
diff --git a/test/LTO/keep-used-puts-during-instcombine.ll b/test/LTO/keep-used-puts-during-instcombine.ll
new file mode 100644
index 0000000..1dc63dd
--- /dev/null
+++ b/test/LTO/keep-used-puts-during-instcombine.ll
@@ -0,0 +1,36 @@
+; RUN: opt -S -instcombine <%s | FileCheck %s
+; rdar://problem/16165191
+; llvm.compiler.used functions should not be renamed
+
+target triple = "x86_64-apple-darwin11"
+
+@llvm.compiler.used = appending global [1 x i8*] [
+  i8* bitcast (i32(i8*)* @puts to i8*)
+  ], section "llvm.metadata"
+@llvm.used = appending global [1 x i8*] [
+  i8* bitcast (i32(i32)* @uses_printf to i8*)
+  ], section "llvm.metadata"
+
+@str = private unnamed_addr constant [13 x i8] c"hello world\0A\00"
+
+define i32 @uses_printf(i32 %i) {
+entry:
+  %s = getelementptr [13 x i8]* @str, i64 0, i64 0
+  call i32 (i8*, ...)* @printf(i8* %s)
+  ret i32 0
+}
+
+define internal hidden i32 @printf(i8* readonly nocapture %fmt, ...) {
+entry:
+  %ret = call i32 @bar(i8* %fmt)
+  ret i32 %ret
+}
+
+; CHECK: define {{.*}} @puts(
+define internal hidden i32 @puts(i8* %s) {
+entry:
+  %ret = call i32 @bar(i8* %s)
+  ret i32 %ret
+}
+
+declare i32 @bar(i8*)
diff --git a/test/LTO/linkonce_odr_func.ll b/test/LTO/linkonce_odr_func.ll
index 8a49326..a67ffc0 100644
--- a/test/LTO/linkonce_odr_func.ll
+++ b/test/LTO/linkonce_odr_func.ll
@@ -1,6 +1,6 @@
 ; RUN: llvm-as < %s >%t1
 ; RUN: llvm-lto -o %t2 -dso-symbol=foo1 -dso-symbol=foo2 -dso-symbol=foo3 \
-; RUN:     -dso-symbol=foo4  %t1 -disable-opt
+; RUN:     -dso-symbol=foo4 -dso-symbol=v1 -dso-symbol=v2 %t1 -disable-opt
 ; RUN: llvm-nm %t2 | 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-s0:64:64-f80:128:128-n8:16:32:64-S128"
@@ -26,6 +26,12 @@ define linkonce_odr void @foo4() noinline {
   ret void
 }
 
+; CHECK: r v1
+@v1 = linkonce_odr constant i32 32
+
+; CHECK: V v2
+@v2 = linkonce_odr global i32 32
+
 declare void @f(void()*)
 
 declare void @p()
diff --git a/test/LTO/no-undefined-puts-when-implemented.ll b/test/LTO/no-undefined-puts-when-implemented.ll
new file mode 100644
index 0000000..18f5d21
--- /dev/null
+++ b/test/LTO/no-undefined-puts-when-implemented.ll
@@ -0,0 +1,40 @@
+; RUN: llvm-as <%s >%t1
+; RUN: llvm-lto -exported-symbol=_uses_puts -exported-symbol=_uses_printf -o - %t1 | \
+; RUN: llvm-nm | \
+; RUN: FileCheck %s
+; rdar://problem/16165191
+; runtime library implementations should not be renamed
+
+target triple = "x86_64-apple-darwin11"
+
+@str = private unnamed_addr constant [13 x i8] c"hello world\0A\00"
+
+; CHECK-NOT: U _puts
+; CHECK: T _uses_printf
+; CHECK: T _uses_puts
+define i32 @uses_puts(i32 %i) {
+entry:
+  %s = call i8* @foo(i32 %i)
+  %ret = call i32 @puts(i8* %s)
+  ret i32 %ret
+}
+define i32 @uses_printf(i32 %i) {
+entry:
+  %s = getelementptr [13 x i8]* @str, i64 0, i64 0
+  call i32 (i8*, ...)* @printf(i8* %s)
+  ret i32 0
+}
+
+define hidden i32 @printf(i8* readonly nocapture %fmt, ...) {
+entry:
+  %ret = call i32 @bar(i8* %fmt)
+  ret i32 %ret
+}
+define hidden i32 @puts(i8* %s) {
+entry:
+  %ret = call i32 @bar(i8* %s)
+  ret i32 %ret
+}
+
+declare i8* @foo(i32)
+declare i32 @bar(i8*)
diff --git a/test/LTO/private-symbol.ll b/test/LTO/private-symbol.ll
new file mode 100644
index 0000000..e13a393
--- /dev/null
+++ b/test/LTO/private-symbol.ll
@@ -0,0 +1,7 @@
+; RUN: llvm-as < %s >%t1
+; RUN: llvm-lto -o %t2 %t1
+
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+@.str = private unnamed_addr constant [7 x i8] c"hello\0A\00", align 1
diff --git a/test/LTO/symver-asm.ll b/test/LTO/symver-asm.ll
new file mode 100644
index 0000000..03dda2b
--- /dev/null
+++ b/test/LTO/symver-asm.ll
@@ -0,0 +1,16 @@
+; RUN: llvm-as < %s >%t1
+; RUN: llvm-lto -o %t2 %t1
+; RUN: llvm-nm %t2 | FileCheck %s
+
+target triple = "x86_64-unknown-linux-gnu"
+
+module asm ".symver io_cancel_0_4,io_cancel@@LIBAIO_0.4"
+
+; Even without -exported-symbol, io_cancel_0_4 should be noticed by LTOModule's
+; RecordStreamer, so it shouldn't get eliminated. However, the object file will
+; contain the aliased symver as well as the original.
+define i32 @io_cancel_0_4() {
+; CHECK: io_cancel@@LIBAIO_0.4
+; CHECK: io_cancel_0_4
+  ret i32 0
+}
diff --git a/test/LTO/triple-init.ll b/test/LTO/triple-init.ll
new file mode 100644
index 0000000..e0ad879
--- /dev/null
+++ b/test/LTO/triple-init.ll
@@ -0,0 +1,16 @@
+; RUN: llvm-as < %s >%t1
+; RUN: llvm-lto -exported-symbol=_main  -o %t2 %t1
+; RUN: llvm-nm %t2 | 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-s0:64:64-f80:128:128-n8:16:32:64-S128"
+
+target triple = "x86_64-apple-macosx10.9"
+
+declare double @pow(double, double)
+
+define double @main(double %x) {
+; We check that LTO will be aware of target triple and apply pow to __exp10 transformation.
+; CHECK: U ___exp10
+  %retval = call double @pow(double 10.0, double %x)
+  ret double %retval
+}