File: legalize-atomicrmw-nand.mir

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.8-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,388 kB
  • sloc: cpp: 7,438,767; ansic: 1,393,871; asm: 1,012,926; python: 241,728; f90: 86,635; objc: 75,411; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (22 lines) | stat: -rw-r--r-- 937 bytes parent folder | download | duplicates (22)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
# RUN: not --crash 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 (s32), 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 (s32), addrspace 1)
    %0:_(p1) = COPY $sgpr0_sgpr1
    %1:_(s32) = COPY $sgpr2
    %2:_(s32) = G_ATOMICRMW_NAND %0, %1 :: (load store seq_cst (s32), addrspace 1)
...