File: expand-condsets-same-inputs.mir

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (32 lines) | stat: -rw-r--r-- 740 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
23
24
25
26
27
28
29
30
31
32
# RUN: llc -march=hexagon -run-pass expand-condsets -expand-condsets-coa-limit=0 -o - %s -verify-machineinstrs | FileCheck %s

# CHECK-LABEL: name: fred

--- |
  define void @fred() { ret void }

...
---

name: fred
tracksRegLiveness: true
registers:
  - { id: 0, class: predregs }
  - { id: 1, class: intregs }
  - { id: 2, class: intregs }
  - { id: 3, class: intregs }

body: |
  bb.0:
    liveins: $r0, $r1, $r2, $p0
        %0 = COPY $p0
        %0 = COPY $p0   ; Cheat: convince MIR parser that this is not SSA.
        %1 = COPY $r1
        ; Make sure we do not expand/predicate a mux with identical inputs.
        ; CHECK-NOT: A2_paddit
        %2 = A2_addi %1, 1
        %3 = C2_mux %0, killed %2, %2
        $r0 = COPY %3

...