[ARM] Allow using emulated tls on platforms other than ELF
This matches how it is done on X86.
This allows using emulated tls on windows; in MinGW environments,
native tls isn't supported at the moment.
Differential Revision: https://reviews.llvm.org/D40769
llvm-svn: 319643
diff --git a/llvm/test/CodeGen/ARM/emutls_generic.ll b/llvm/test/CodeGen/ARM/emutls_generic.ll
index f5633dc..8c1c40d 100644
--- a/llvm/test/CodeGen/ARM/emutls_generic.ll
+++ b/llvm/test/CodeGen/ARM/emutls_generic.ll
@@ -6,6 +6,10 @@
; RUN: | FileCheck -check-prefix=ARM_32 %s
; RUN: llc < %s -emulated-tls -mtriple=arm-linux-androidabi -O3 \
; RUN: | FileCheck -check-prefix=ARM_32 %s
+; RUN: llc < %s -emulated-tls -mtriple=arm-apple-darwin -O3 \
+; RUN: | FileCheck -check-prefix=DARWIN %s
+; RUN: llc < %s -emulated-tls -mtriple=thumbv7-windows-gnu -O3 \
+; RUN: | FileCheck -check-prefix=WIN %s
; Make sure that TLS symbols are emitted in expected order.
@@ -61,3 +65,74 @@
; ARM_32-LABEL: __emutls_t.internal_y:
; ARM_32-NEXT: .long 9
; ARM_32-NEXT: .long 0
+
+; WIN-LABEL: get_external_x:
+; WIN: movw r0, :lower16:__emutls_v.external_x
+; WIN: movt r0, :upper16:__emutls_v.external_x
+; WIN: bl __emutls_get_address
+; WIN-LABEL: get_external_y:
+; WIN: movw r0, :lower16:__emutls_v.external_y
+; WIN: movt r0, :upper16:__emutls_v.external_y
+; WIN: bl __emutls_get_address
+; WIN-LABEL: get_internal_y:
+; WIN: movw r0, :lower16:__emutls_v.internal_y
+; WIN: movt r0, :upper16:__emutls_v.internal_y
+; WIN: bl __emutls_get_address
+; WIN-NOT: __emutls_t.external_x
+; WIN-NOT: __emutls_v.external_x:
+; WIN: .data{{$}}
+; WIN: .globl __emutls_v.external_y
+; WIN: .p2align 2
+; WIN-LABEL: __emutls_v.external_y:
+; WIN-NEXT: .long 1
+; WIN-NEXT: .long 2
+; WIN-NEXT: .long 0
+; WIN-NEXT: .long __emutls_t.external_y
+; WIN: .section .rdata,
+; WIN-LABEL: __emutls_t.external_y:
+; WIN-NEXT: .byte 7
+; WIN: .data{{$}}
+; WIN-NOT: .globl
+; WIN: .p2align 2
+; WIN-LABEL: __emutls_v.internal_y:
+; WIN-NEXT: .long 8
+; WIN-NEXT: .long 16
+; WIN-NEXT: .long 0
+; WIN-NEXT: .long __emutls_t.internal_y
+; WIN-LABEL: __emutls_t.internal_y:
+; .quad 9 is equivalent to .long 9 .long 0
+; WIN-NEXT: .quad 9
+
+; DARWIN-LABEL: _get_external_x:
+; DARWIN: bl ___emutls_get_address
+; DARWIN: .long L___emutls_v.external_x$non_lazy_ptr-(LPC0_0+8)
+; DARWIN-LABEL: _get_external_y:
+; DARWIN: bl ___emutls_get_address
+; DARWIN: .long ___emutls_v.external_y-(LPC1_0+8)
+; DARWIN-LABEL: _get_internal_y:
+; DARWIN: bl ___emutls_get_address
+; DARWIN: .long ___emutls_v.internal_y-(LPC2_0+8)
+; DARWIN-NOT: ___emutls_t.external_x
+; DARWIN-NOT: ___emutls_v.external_x:
+; DARWIN: .section __DATA,__data
+; DARWIN: .globl ___emutls_v.external_y
+; DARWIN: .p2align 2
+; DARWIN-LABEL: ___emutls_v.external_y:
+; DARWIN-NEXT: .long 1
+; DARWIN-NEXT: .long 2
+; DARWIN-NEXT: .long 0
+; DARWIN-NEXT: .long ___emutls_t.external_y
+; DARWIN: .section __TEXT,__const
+; DARWIN-LABEL: ___emutls_t.external_y:
+; DARWIN-NEXT: .byte 7
+; DARWIN: .section __DATA,__data
+; DARWIN-NOT: .globl
+; DARWIN: .p2align 2
+; DARWIN-LABEL: ___emutls_v.internal_y:
+; DARWIN-NEXT: .long 8
+; DARWIN-NEXT: .long 16
+; DARWIN-NEXT: .long 0
+; DARWIN-NEXT: .long ___emutls_t.internal_y
+; DARWIN-LABEL: ___emutls_t.internal_y:
+; DARWIN-NEXT: .long 9
+; DARWIN-NEXT: .long 0