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llvm-mirror/test/CodeGen/AArch64/arm64-builtins-linux.ll
Petr Hosek 1462430d42 [AArch64][Fuchsia] Allow -mcmodel=kernel for --target=aarch64-fuchsia
This mode is just like -mcmodel=small except that it moves the
thread pointer from TPIDR_EL0 to TPIDR_EL1.

Patch by Roland McGrath.

Differential Revision: https://reviews.llvm.org/D31624

llvm-svn: 299462
2017-04-04 19:51:53 +00:00

16 lines
525 B
LLVM

; RUN: llc < %s -mtriple=aarch64-linux-gnu | FileCheck %s
; RUN: llc < %s -mtriple=aarch64-fuchsia | FileCheck %s
; RUN: llc < %s -mtriple=aarch64-fuchsia -code-model=kernel | FileCheck --check-prefix=FUCHSIA-KERNEL %s
; Function Attrs: nounwind readnone
declare i8* @llvm.thread.pointer() #1
define i8* @thread_pointer() {
; CHECK: thread_pointer:
; CHECK: mrs {{x[0-9]+}}, TPIDR_EL0
; FUCHSIA-KERNEL: thread_pointer:
; FUCHSIA-KERNEL: mrs {{x[0-9]+}}, TPIDR_EL1
%1 = tail call i8* @llvm.thread.pointer()
ret i8* %1
}