File: memory.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 (28 lines) | stat: -rw-r--r-- 1,348 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
25
26
27
28
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=slp-vectorizer -S -mtriple=thumbv7-apple-ios3.0.0 -mcpu=swift | FileCheck %s

target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:32:64-v128:32:128-a0:0:32-n32-S32"

; On swift unaligned <2 x double> stores need 4uops and it is there for cheaper
; to do this scalar.

define void @expensive_double_store(ptr noalias %dst, ptr noalias %src, i64 %count) {
; CHECK-LABEL: @expensive_double_store(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[TMP0:%.*]] = load double, ptr [[SRC:%.*]], align 8
; CHECK-NEXT:    store double [[TMP0]], ptr [[DST:%.*]], align 8
; CHECK-NEXT:    [[ARRAYIDX2:%.*]] = getelementptr inbounds double, ptr [[SRC]], i64 1
; CHECK-NEXT:    [[TMP1:%.*]] = load double, ptr [[ARRAYIDX2]], align 8
; CHECK-NEXT:    [[ARRAYIDX3:%.*]] = getelementptr inbounds double, ptr [[DST]], i64 1
; CHECK-NEXT:    store double [[TMP1]], ptr [[ARRAYIDX3]], align 8
; CHECK-NEXT:    ret void
;
entry:
  %0 = load double, ptr %src, align 8
  store double %0, ptr %dst, align 8
  %arrayidx2 = getelementptr inbounds double, ptr %src, i64 1
  %1 = load double, ptr %arrayidx2, align 8
  %arrayidx3 = getelementptr inbounds double, ptr %dst, i64 1
  store double %1, ptr %arrayidx3, align 8
  ret void
}