Files
clang-p2996/llvm/test/CodeGen/AVR/atomics/load32.ll
Dylan McKay 0d4778f841 [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

llvm-svn: 286418
2016-11-09 23:46:52 +00:00

17 lines
420 B
LLVM

; RUN: llc -mattr=avr6 < %s -march=avr | FileCheck %s
; CHECK-LABEL: atomic_load32
; CHECK: call __sync_val_compare_and_swap_4
define i32 @atomic_load32(i32* %foo) {
%val = load atomic i32, i32* %foo unordered, align 4
ret i32 %val
}
; CHECK-LABEL: atomic_load_sub32
; CHECK: call __sync_fetch_and_sub_4
define i32 @atomic_load_sub32(i32* %foo) {
%val = atomicrmw sub i32* %foo, i32 13 seq_cst
ret i32 %val
}