This register is reserved as a platform register on Fuchsia.
Differential Revision: https://reviews.llvm.org/D45105
llvm-svn: 328950
const std::string &FS,
const TargetMachine &TM, bool LittleEndian)
: AArch64GenSubtargetInfo(TT, CPU, FS),
- ReserveX18(TT.isOSDarwin() || TT.isOSWindows()), IsLittle(LittleEndian),
- TargetTriple(TT), FrameLowering(),
+ ReserveX18(TT.isOSDarwin() || TT.isOSFuchsia() || TT.isOSWindows()),
+ IsLittle(LittleEndian), TargetTriple(TT), FrameLowering(),
InstrInfo(initializeSubtargetDependencies(FS, CPU)), TSInfo(),
TLInfo(TM, *this) {
CallLoweringInfo.reset(new AArch64CallLowering(*getTargetLowering()));
-; RUN: not llc -mtriple=aarch64-fuchsia -o - %s 2>&1 | FileCheck %s --check-prefix=ERROR
-; RUN: llc -mtriple=aarch64-fuchsia -mattr=+reserve-x18 -o - %s
+; RUN: llc -mtriple=aarch64-fuchsia -o - %s
define void @set_w18(i32 %x) {
entry:
; FIXME: Include an allocatable-specific error message
-; ERROR: Invalid register name "w18".
tail call void @llvm.write_register.i32(metadata !0, i32 %x)
ret void
}
-; RUN: not llc -mtriple=aarch64-fuchsia -o - %s 2>&1 | FileCheck %s --check-prefix=ERROR
-; RUN: llc -mtriple=aarch64-fuchsia -mattr=+reserve-x18 -o - %s
+; RUN: llc -mtriple=aarch64-fuchsia -o - %s
define void @set_x18(i64 %x) {
entry:
; FIXME: Include an allocatable-specific error message
-; ERROR: Invalid register name "x18".
tail call void @llvm.write_register.i64(metadata !0, i64 %x)
ret void
}
; 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-fuchsia -o - %s | FileCheck %s --check-prefix=CHECK-RESERVE-X18
; 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