[PATCH] D35531: [COFF, ARM64] Reserve X18 register by default

[Mandeep Singh Grang via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL308358: [COFF, ARM64] Reserve X18 register by default (authored by mgrang).

Changed prior to commit:
  https://reviews.llvm.org/D35531?vs=107159&id=107172#toc

Repository:
  rL LLVM

https://reviews.llvm.org/D35531

Files:
  llvm/trunk/lib/Target/AArch64/AArch64Subtarget.cpp
  llvm/trunk/test/CodeGen/AArch64/arm64-platform-reg.ll


Index: llvm/trunk/lib/Target/AArch64/AArch64Subtarget.cpp
===================================================================
--- llvm/trunk/lib/Target/AArch64/AArch64Subtarget.cpp
+++ llvm/trunk/lib/Target/AArch64/AArch64Subtarget.cpp
@@ -173,7 +173,8 @@
 AArch64Subtarget::AArch64Subtarget(const Triple &TT, const std::string &CPU,
                                    const std::string &FS,
                                    const TargetMachine &TM, bool LittleEndian)
-    : AArch64GenSubtargetInfo(TT, CPU, FS), ReserveX18(TT.isOSDarwin()),
+    : AArch64GenSubtargetInfo(TT, CPU, FS),
+      ReserveX18(TT.isOSDarwin() || TT.isOSWindows()),
       IsLittle(LittleEndian), TargetTriple(TT), FrameLowering(),
       InstrInfo(initializeSubtargetDependencies(FS, CPU)), TSInfo(),
       TLInfo(TM, *this), GISel() {
Index: llvm/trunk/test/CodeGen/AArch64/arm64-platform-reg.ll
===================================================================
--- llvm/trunk/test/CodeGen/AArch64/arm64-platform-reg.ll
+++ llvm/trunk/test/CodeGen/AArch64/arm64-platform-reg.ll
@@ -1,6 +1,7 @@
 ; RUN: llc -mtriple=arm64-apple-ios -mattr=+reserve-x18 -o - %s | FileCheck %s --check-prefix=CHECK-RESERVE-X18
 ; RUN: llc -mtriple=arm64-freebsd-gnu -mattr=+reserve-x18 -o - %s | FileCheck %s --check-prefix=CHECK-RESERVE-X18
 ; RUN: llc -mtriple=arm64-linux-gnu -o - %s | FileCheck %s
+; RUN: llc -mtriple=aarch64-windows -o - %s | FileCheck %s --check-prefix=CHECK-RESERVE-X18
 
 ; x18 is reserved as a platform register on Darwin but not on other
 ; systems. Create loads of register pressure and make sure this is respected.


-------------- next part --------------
A non-text attachment was scrubbed...
Name: D35531.107172.patch
Type: text/x-patch
Size: 1612 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20170718/0474aaf1/attachment.bin>