diff options
Diffstat (limited to 'llvm/test/CodeGen/AVR/atomics/load32.ll')
| -rw-r--r-- | llvm/test/CodeGen/AVR/atomics/load32.ll | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AVR/atomics/load32.ll b/llvm/test/CodeGen/AVR/atomics/load32.ll new file mode 100644 index 00000000000..5320b2aeb1c --- /dev/null +++ b/llvm/test/CodeGen/AVR/atomics/load32.ll @@ -0,0 +1,16 @@ +; 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 +} + |
