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Diffstat (limited to 'test/CodeGen/Mips/micromips-atomic.ll')
-rw-r--r-- | test/CodeGen/Mips/micromips-atomic.ll | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/test/CodeGen/Mips/micromips-atomic.ll b/test/CodeGen/Mips/micromips-atomic.ll new file mode 100644 index 0000000000..a50e0b7850 --- /dev/null +++ b/test/CodeGen/Mips/micromips-atomic.ll @@ -0,0 +1,18 @@ +; RUN: llc %s -march=mipsel -mcpu=mips32r2 -mattr=micromips -filetype=asm \ +; RUN: -relocation-model=pic -o - | FileCheck %s + +@x = common global i32 0, align 4 + +define i32 @AtomicLoadAdd32(i32 %incr) nounwind { +entry: + %0 = atomicrmw add i32* @x, i32 %incr monotonic + ret i32 %0 + +; CHECK-LABEL: AtomicLoadAdd32: +; CHECK: lw $[[R0:[0-9]+]], %got(x) +; CHECK: $[[BB0:[A-Z_0-9]+]]: +; CHECK: ll $[[R1:[0-9]+]], 0($[[R0]]) +; CHECK: addu $[[R2:[0-9]+]], $[[R1]], $4 +; CHECK: sc $[[R2]], 0($[[R0]]) +; CHECK: beqz $[[R2]], $[[BB0]] +} |