File: sme-svcount.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.8-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,696 kB
  • sloc: cpp: 7,438,781; ansic: 1,393,871; asm: 1,012,926; python: 241,771; f90: 86,635; objc: 75,411; lisp: 42,144; pascal: 17,286; sh: 8,596; ml: 5,082; perl: 4,730; makefile: 3,591; awk: 3,523; javascript: 2,251; xml: 892; fortran: 672
file content (25 lines) | stat: -rw-r--r-- 1,206 bytes parent folder | download | duplicates (15)
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
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes='instcombine' -S < %s | FileCheck %s

define target("aarch64.svcount") @test_alloca_store_reload(target("aarch64.svcount") %val) nounwind {
; CHECK-LABEL: @test_alloca_store_reload(
; CHECK-NEXT:    ret target("aarch64.svcount") [[VAL:%.*]]
;
  %ptr = alloca target("aarch64.svcount"), align 1
  store target("aarch64.svcount") %val, ptr %ptr
  %res = load target("aarch64.svcount"), ptr %ptr
  ret target("aarch64.svcount") %res
}

; Test that instcombine doesn't try to query the (scalable) size of target("aarch64.svcount")
; in foldSelectInstWithICmp.
define target("aarch64.svcount") @test_combine_on_select(target("aarch64.svcount") %x, target("aarch64.svcount") %y, i32 %k) {
; CHECK-LABEL: @test_combine_on_select(
; CHECK-NEXT:    [[CMP:%.*]] = icmp sgt i32 [[K:%.*]], 42
; CHECK-NEXT:    [[X_Y:%.*]] = select i1 [[CMP]], target("aarch64.svcount") [[X:%.*]], target("aarch64.svcount") [[Y:%.*]]
; CHECK-NEXT:    ret target("aarch64.svcount") [[X_Y]]
;
  %cmp = icmp sgt i32 %k, 42
  %x.y = select i1 %cmp, target("aarch64.svcount") %x, target("aarch64.svcount") %y
  ret target("aarch64.svcount") %x.y
}