File: test_g_brjt_is_indirect_branch.mir

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-6~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,418,812 kB
  • sloc: cpp: 5,290,827; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,900; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,892; xml: 953; cs: 573; fortran: 539
file content (26 lines) | stat: -rw-r--r-- 728 bytes parent folder | download | duplicates (13) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
 
# RUN: llc -march=riscv32 -o - -run-pass=none -verify-machineinstrs %s | FileCheck %s
# REQUIRES: riscv-registered-target

# This test checks that the G_BRJT is an indirect branch by leveraging RISCV's
# version of analyzeBranch. If G_BRJT would not be an indirect branch, this
# test would crash.

---
name:            test_jump_table
legalized:       true
tracksRegLiveness: true
jumpTable:
  kind:            block-address
  entries:
    - id:              0
      blocks:          [ '%bb.0' ]
body:             |
  bb.0:
    liveins: $x0
    %0:_(s32) = COPY $x0
    %1:_(p0) = COPY $x0

    ; CHECK-NOT: Branch instruction is missing a basic block operand or isIndirectBranch property
    G_BRJT %1, %jump-table.0, %0

...