llvm/test/CodeGen/AVR/atomics/swap.ll
Dylan McKay 619ca04281 [AVR] Add a selection of CodeGen tests
Summary: This adds all of the CodeGen tests which currently pass.

Reviewers: arsenm, kparzysz

Subscribers: japaric, wdng

Differential Revision: https://reviews.llvm.org/D26388

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@286418 91177308-0d34-0410-b5e6-96231b3b80d8
2016-11-09 23:46:52 +00:00

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756 B
LLVM

; RUN: llc -mattr=avr6 < %s -march=avr | FileCheck %s
; CHECK-LABEL: atomic_swap8
; CHECK: call __sync_lock_test_and_set_1
define i8 @atomic_swap8(i8* %foo) {
%val = atomicrmw xchg i8* %foo, i8 13 seq_cst
ret i8 %val
}
; CHECK-LABEL: atomic_swap16
; CHECK: call __sync_lock_test_and_set_2
define i16 @atomic_swap16(i16* %foo) {
%val = atomicrmw xchg i16* %foo, i16 13 seq_cst
ret i16 %val
}
; CHECK-LABEL: atomic_swap32
; CHECK: call __sync_lock_test_and_set_4
define i32 @atomic_swap32(i32* %foo) {
%val = atomicrmw xchg i32* %foo, i32 13 seq_cst
ret i32 %val
}
; CHECK-LABEL: atomic_swap64
; CHECK: call __sync_lock_test_and_set_8
define i64 @atomic_swap64(i64* %foo) {
%val = atomicrmw xchg i64* %foo, i64 13 seq_cst
ret i64 %val
}