File: vscale_load.ll

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (24 lines) | stat: -rw-r--r-- 954 bytes parent folder | download | duplicates (14) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=instcombine,verify -S | FileCheck %s

define <2 x i8> @constprop_load_bitcast(ptr %ptr) {
; CHECK-LABEL: @constprop_load_bitcast(
; CHECK-NEXT:    store <vscale x 16 x i1> zeroinitializer, ptr [[PTR:%.*]], align 16
; CHECK-NEXT:    ret <2 x i8> zeroinitializer
;
  store <vscale x 16 x i1> zeroinitializer, ptr %ptr, align 16
  %a = load <2 x i8>, ptr %ptr, align 16
  ret <2 x i8> %a
}

; vscale-sized vec not guaranteed to fill destination.
define <8 x i8> @constprop_load_bitcast_neg(ptr %ptr) {
; CHECK-LABEL: @constprop_load_bitcast_neg(
; CHECK-NEXT:    store <vscale x 16 x i1> zeroinitializer, ptr [[PTR:%.*]], align 16
; CHECK-NEXT:    [[A:%.*]] = load <8 x i8>, ptr [[PTR]], align 16
; CHECK-NEXT:    ret <8 x i8> [[A]]
;
  store <vscale x 16 x i1> zeroinitializer, ptr %ptr, align 16
  %a = load <8 x i8>, ptr %ptr, align 16
  ret <8 x i8> %a
}