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Start reserving x18 by default on Android targets. 

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

llvm-svn: 340889
This commit is contained in:
Peter Collingbourne 2018-08-29 01:38:47 +00:00
parent d9198907a6
commit 9c9c8b22d2
3 changed files with 6 additions and 1 deletions
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3
clang/test/Driver/sanitizer-ld.c
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@ -575,6 +575,9 @@
// RUN: %clang -fsanitize=shadow-call-stack %s -### -o %t.o 2>&1 \
// RUN: -target arm64-unknown-ios -fuse-ld=ld \
// RUN: | FileCheck --check-prefix=CHECK-SHADOWCALLSTACK-LINUX-AARCH64-X18 %s
// RUN: %clang -fsanitize=shadow-call-stack %s -### -o %t.o 2>&1 \
// RUN: -target aarch64-unknown-linux-android -fuse-ld=ld \
// RUN: | FileCheck --check-prefix=CHECK-SHADOWCALLSTACK-LINUX-AARCH64-X18 %s
// CHECK-SHADOWCALLSTACK-LINUX-AARCH64-X18-NOT: error:
// RUN: %clang -fsanitize=shadow-call-stack %s -### -o %t.o 2>&1 \

3
llvm/lib/Support/TargetParser.cpp
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@ -943,7 +943,8 @@ unsigned llvm::AArch64::parseArchVersion(StringRef Arch) {
}
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 {

1
llvm/test/CodeGen/AArch64/arm64-platform-reg.ll
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@ -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