[llvm] r204424 - [AArch64] Remove .data_region directive from AArch64.

[Kevin Qin]

Author: kevinqin
Date: Thu Mar 20 21:12:48 2014
New Revision: 204424

URL: http://llvm.org/viewvc/llvm-project?rev=204424&view=rev
Log:
[AArch64] Remove .data_region directive from AArch64.

.data_region is only used in Darwin, so it shouldn't be generated
for other OS. Currently AArch64 doesn't support darwin yet, so
I removed it from AArch64. When Darwin is supported someday, we can
add it back and associate it with Darwin.

Modified:
    llvm/trunk/lib/Target/AArch64/MCTargetDesc/AArch64MCAsmInfo.cpp
    llvm/trunk/test/CodeGen/AArch64/jump-table.ll

Modified: llvm/trunk/lib/Target/AArch64/MCTargetDesc/AArch64MCAsmInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AArch64/MCTargetDesc/AArch64MCAsmInfo.cpp?rev=204424&r1=204423&r2=204424&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AArch64/MCTargetDesc/AArch64MCAsmInfo.cpp (original)
+++ llvm/trunk/lib/Target/AArch64/MCTargetDesc/AArch64MCAsmInfo.cpp Thu Mar 20 21:12:48 2014
@@ -33,8 +33,6 @@ AArch64ELFMCAsmInfo::AArch64ELFMCAsmInfo
   Data32bitsDirective = "\t.word\t";
   Data64bitsDirective = "\t.xword\t";
 
-  UseDataRegionDirectives = true;
-
   HasLEB128 = true;
   SupportsDebugInformation = true;
 

Modified: llvm/trunk/test/CodeGen/AArch64/jump-table.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AArch64/jump-table.ll?rev=204424&r1=204423&r2=204424&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/AArch64/jump-table.ll (original)
+++ llvm/trunk/test/CodeGen/AArch64/jump-table.ll Thu Mar 20 21:12:48 2014
@@ -1,5 +1,6 @@
 ; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64-none-linux-gnu | FileCheck %s
 ; RUN: llc -code-model=large -verify-machineinstrs < %s -mtriple=aarch64-none-linux-gnu | FileCheck --check-prefix=CHECK-LARGE %s
+; RUN: llc -mtriple=aarch64-none-linux-gnu -verify-machineinstrs -relocation-model=pic <%s | FileCheck --check-prefix=CHECK-PIC %s
 
 define i32 @test_jumptable(i32 %in) {
 ; CHECK: test_jumptable
@@ -22,6 +23,12 @@ define i32 @test_jumptable(i32 %in) {
 ; CHECK-LARGE: ldr [[DEST:x[0-9]+]], [x[[JTADDR]], {{x[0-9]+}}, lsl #3]
 ; CHECK-LARGE: br [[DEST]]
 
+; CHECK-PIC: adrp [[JTPAGE:x[0-9]+]], .LJTI0_0
+; CHECK-PIC: add x[[JT:[0-9]+]], [[JTPAGE]], #:lo12:.LJTI0_0
+; CHECK-PIC: ldrsw [[DEST:x[0-9]+]], [x[[JT]], {{x[0-9]+}}, lsl #2]
+; CHECK-PIC: add [[TABLE:x[0-9]+]], [[DEST]], x[[JT]]
+; CHECK-PIC: br [[TABLE]]
+
 def:
   ret i32 0
 
@@ -47,3 +54,12 @@ lbl4:
 ; CHECK-NEXT: .xword
 ; CHECK-NEXT: .xword
 ; CHECK-NEXT: .xword
+
+; CHECK-PIC-NOT: .data_region
+; CHECK-PIC: .LJTI0_0:
+; CHECK-PIC-NEXT: .word
+; CHECK-PIC-NEXT: .word
+; CHECK-PIC-NEXT: .word
+; CHECK-PIC-NEXT: .word
+; CHECK-PIC-NEXT: .word
+; CHECK-PIC-NOT: .end_data_region