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llvm-mirror/test/CodeGen/ARM/thread_pointer.ll
Marcin Koscielnicki 0919e582e6 [AArch64] [ARM] Make a target-independent llvm.thread.pointer intrinsic.
Both AArch64 and ARM support llvm.<arch>.thread.pointer intrinsics that
just return the thread pointer.  I have a pending patch that does the same
for SystemZ (D19054), and there are many more targets that could benefit
from one.

This patch merges the ARM and AArch64 intrinsics into a single target
independent one that will also be used by subsequent targets.

Differential Revision: http://reviews.llvm.org/D19098

llvm-svn: 266818
2016-04-19 20:51:05 +00:00

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235 B
LLVM

; RUN: llc < %s -march=arm -mtriple=arm-linux-gnueabi | \
; RUN: grep "__aeabi_read_tp"
define i8* @test() {
entry:
%tmp1 = call i8* @llvm.thread.pointer( ) ; <i8*> [#uses=0]
ret i8* %tmp1
}
declare i8* @llvm.thread.pointer()