llvm.org GIT mirror llvm / stable test / CodeGen / AMDGPU / GlobalISel / legalize-atomicrmw-nand.mir
stable

Tree @stable (Download .tar.gz)

legalize-atomicrmw-nand.mir @stableraw · history · blame

# RUN: not llc -mtriple=amdgcn-mesa-mesa3d -mcpu=tahiti -O0 -run-pass=legalizer -o - %s 2>&1| FileCheck -check-prefix=ERROR %s

# This needs to be expanded into a cmpxchg loop.
# TODO: Will AtomicExpand still do this?

# ERROR: LLVM ERROR: unable to legalize instruction: %2:_(s32) = G_ATOMICRMW_NAND %0:_(p1), %1:_ :: (load store seq_cst 4, addrspace 1) (in function: atomicrmw_nand_global_i32)

---
name: atomicrmw_nand_global_i32

body: |
  bb.0:
    liveins: $sgpr0_sgpr1, $sgpr2
    ; CHECK-LABEL: name: atomicrmw_nand_global_i32
    ; CHECK: [[COPY:%[0-9]+]]:_(p1) = COPY $sgpr0_sgpr1
    ; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY $sgpr2
    ; CHECK: [[ATOMICRMW_NAND:%[0-9]+]]:_(s32) = G_ATOMICRMW_NAND [[COPY]](p1), [[COPY1]] :: (load store seq_cst 4, addrspace 1)
    %0:_(p1) = COPY $sgpr0_sgpr1
    %1:_(s32) = COPY $sgpr2
    %2:_(s32) = G_ATOMICRMW_NAND %0, %1 :: (load store seq_cst 4, addrspace 1)
...