File: Redundantstore.ll

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,436 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
file content (25 lines) | stat: -rw-r--r-- 785 bytes parent folder | download | duplicates (16)
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
; RUN: llc < %s -O3 -mtriple=aarch64-eabi | FileCheck %s 

target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
@end_of_array = common global i8* null, align 8

; CHECK-LABEL: @test
; CHECK: stur
; CHECK-NOT: stur
define i8* @test(i32 %size) {
entry:
  %0 = load i8*, i8** @end_of_array, align 8
  %conv = sext i32 %size to i64
  %and = and i64 %conv, -8
  %conv2 = trunc i64 %and to i32
  %add.ptr.sum = add nsw i64 %and, -4
  %add.ptr3 = getelementptr inbounds i8, i8* %0, i64 %add.ptr.sum
  %size4 = bitcast i8* %add.ptr3 to i32*
  store i32 %conv2, i32* %size4, align 4
  %add.ptr.sum9 = add nsw i64 %and, -4
  %add.ptr5 = getelementptr inbounds i8, i8* %0, i64 %add.ptr.sum9
  %size6 = bitcast i8* %add.ptr5 to i32*
  store i32 %conv2, i32* %size6, align 4
  ret i8* %0
}