MC: Emit COFF section flags in the "proper" order

COFF section flags are not idempotent:
  'rd' will make a read-write section because 'd' implies write
  'dr' will make a read-only section because 'r' disables write

llvm-svn: 228490

5 files changed, 12 insertions, 12 deletions

diff --git a/llvm/test/MC/COFF/bss_section.ll b/llvm/test/MC/COFF/bss_section.ll
index f80a0712b7e..d3a8aec45db 100644
--- a/llvm/test/MC/COFF/bss_section.ll
+++ b/llvm/test/MC/COFF/bss_section.ll
@@ -7,4 +7,4 @@
 
 $thingy_linkonce = comdat any
 @thingy_linkonce = linkonce_odr global %struct.foo zeroinitializer, comdat, align 4
-; CHECK: .section .bss,"wb",discard,_thingy_linkonce
+; CHECK: .section .bss,"bw",discard,_thingy_linkonce
diff --git a/llvm/test/MC/COFF/const-gv-with-rel-init.ll b/llvm/test/MC/COFF/const-gv-with-rel-init.ll
index 6a89e2faa68..fde5a17ad51 100644
--- a/llvm/test/MC/COFF/const-gv-with-rel-init.ll
+++ b/llvm/test/MC/COFF/const-gv-with-rel-init.ll
@@ -5,7 +5,7 @@ define void @f() {
 }
 
 @ptr = constant void ()* @f, section ".CRT$XLB", align 8
-; CHECK:  .section  .CRT$XLB,"rd"
+; CHECK:  .section  .CRT$XLB,"dr"
 
 @weak_array = weak_odr unnamed_addr constant [1 x i8*] [i8* bitcast (void ()* @f to i8*)]
-; CHECK:  .section  .rdata,"rd"
+; CHECK:  .section  .rdata,"dr"
diff --git a/llvm/test/MC/COFF/global_ctors_dtors.ll b/llvm/test/MC/COFF/global_ctors_dtors.ll
index ca17f24a68e..be92c27c0d8 100644
--- a/llvm/test/MC/COFF/global_ctors_dtors.ll
+++ b/llvm/test/MC/COFF/global_ctors_dtors.ll
@@ -49,17 +49,17 @@ define i32 @main() nounwind {
   ret i32 0
 }
 
-; WIN32: .section .CRT$XCU,"rd"
+; WIN32: .section .CRT$XCU,"dr"
 ; WIN32: a_global_ctor
-; WIN32: .section .CRT$XCU,"rd",associative,{{_?}}b
+; WIN32: .section .CRT$XCU,"dr",associative,{{_?}}b
 ; WIN32: b_global_ctor
 ; WIN32-NOT: c_global_ctor
-; WIN32: .section .CRT$XTX,"rd"
+; WIN32: .section .CRT$XTX,"dr"
 ; WIN32: a_global_dtor
-; MINGW32: .section .ctors,"wd"
+; MINGW32: .section .ctors,"dw"
 ; MINGW32: a_global_ctor
-; MINGW32: .section .ctors,"wd",associative,{{_?}}b
+; MINGW32: .section .ctors,"dw",associative,{{_?}}b
 ; MINGW32: b_global_ctor
 ; MINGW32-NOT: c_global_ctor
-; MINGW32: .section .dtors,"wd"
+; MINGW32: .section .dtors,"dw"
 ; MINGW32: a_global_dtor
diff --git a/llvm/test/MC/COFF/initialised-data.ll b/llvm/test/MC/COFF/initialised-data.ll
index c4284696b8c..a2faac74856 100644
--- a/llvm/test/MC/COFF/initialised-data.ll
+++ b/llvm/test/MC/COFF/initialised-data.ll
@@ -3,5 +3,5 @@
 
 @data = dllexport constant [5 x i8] c"data\00", align 1
 
-; CHECK: .section	.rdata,"rd"
+; CHECK: .section	.rdata,"dr"
 
diff --git a/llvm/test/MC/COFF/section-passthru-flags.s b/llvm/test/MC/COFF/section-passthru-flags.s
index 3bd061b391d..96e42d23351 100644
--- a/llvm/test/MC/COFF/section-passthru-flags.s
+++ b/llvm/test/MC/COFF/section-passthru-flags.s
@@ -3,5 +3,5 @@
 // CHECK: .section .klaatu,"wn"
 .section .barada,"y"
 // CHECK: .section .barada,"y"
-.section .nikto,"wds"
-// CHECK: .section .nikto,"wds"
+.section .nikto,"dws"
+// CHECK: .section .nikto,"dws"