File: bswap-08.ll

package info (click to toggle)
llvm-toolchain-6.0 1%3A6.0.1-10
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 598,080 kB
  • sloc: cpp: 3,046,253; ansic: 595,057; asm: 271,965; python: 128,926; objc: 106,554; sh: 21,906; lisp: 10,191; pascal: 6,094; ml: 5,544; perl: 5,265; makefile: 2,227; cs: 2,027; xml: 686; php: 212; csh: 117
file content (17 lines) | stat: -rw-r--r-- 390 bytes parent folder | download | duplicates (14)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
; Verify that truncating stores do not use STRV
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s

declare i64 @llvm.bswap.i64(i64)

define void @f1(i32* %x, i64* %y) {
; CHECK-LABEL: f1:
; CHECK-NOT: strv
; CHECK: br %r14
  %a = load i64, i64* %y, align 8
  %b = tail call i64 @llvm.bswap.i64(i64 %a)
  %conv = trunc i64 %b to i32
  store i32 %conv, i32* %x, align 4
  ret void
}