[llvm] r340889 - Start reserving x18 by default on Android targets.

[Peter Collingbourne via llvm-commits]

Author: pcc
Date: Tue Aug 28 18:38:47 2018
New Revision: 340889

URL: http://llvm.org/viewvc/llvm-project?rev=340889&view=rev
Log:
Start reserving x18 by default on Android targets.

Differential Revision: https://reviews.llvm.org/D45588

Modified:
    llvm/trunk/lib/Support/TargetParser.cpp
    llvm/trunk/test/CodeGen/AArch64/arm64-platform-reg.ll

Modified: llvm/trunk/lib/Support/TargetParser.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/TargetParser.cpp?rev=340889&r1=340888&r2=340889&view=diff
==============================================================================
--- llvm/trunk/lib/Support/TargetParser.cpp (original)
+++ llvm/trunk/lib/Support/TargetParser.cpp Tue Aug 28 18:38:47 2018
@@ -943,7 +943,8 @@ unsigned llvm::AArch64::parseArchVersion
 }
 
 bool llvm::AArch64::isX18ReservedByDefault(const Triple &TT) {
-  return TT.isOSDarwin() || TT.isOSFuchsia() || TT.isOSWindows();
+  return TT.isAndroid() || TT.isOSDarwin() || TT.isOSFuchsia() ||
+         TT.isOSWindows();
 }
 
 struct GPUInfo {

Modified: llvm/trunk/test/CodeGen/AArch64/arm64-platform-reg.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AArch64/arm64-platform-reg.ll?rev=340889&r1=340888&r2=340889&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/AArch64/arm64-platform-reg.ll (original)
+++ llvm/trunk/test/CodeGen/AArch64/arm64-platform-reg.ll Tue Aug 28 18:38:47 2018
@@ -3,6 +3,7 @@
 ; RUN: llc -mtriple=aarch64-fuchsia -mattr=+reserve-x20 -o - %s | FileCheck %s --check-prefix=CHECK-RESERVE --check-prefix=CHECK-RESERVE-X20
 ; RUN: llc -mtriple=aarch64-fuchsia -mattr=+reserve-x18,+reserve-x20 -o - %s | FileCheck %s --check-prefix=CHECK-RESERVE --check-prefix=CHECK-RESERVE-X18 --check-prefix=CHECK-RESERVE-X20
 ; RUN: llc -mtriple=arm64-linux-gnu -o - %s | FileCheck %s
+; RUN: llc -mtriple=aarch64-linux-android -o - %s | FileCheck %s --check-prefix=CHECK-RESERVE --check-prefix=CHECK-RESERVE-X18
 ; RUN: llc -mtriple=aarch64-fuchsia -o - %s | FileCheck %s --check-prefix=CHECK-RESERVE --check-prefix=CHECK-RESERVE-X18
 ; RUN: llc -mtriple=aarch64-windows -o - %s | FileCheck %s --check-prefix=CHECK-RESERVE --check-prefix=CHECK-RESERVE-X18