File: thumb1-ldst-opt.ll

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2~deb10u1
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 995,836 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (27 lines) | stat: -rw-r--r-- 881 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
 
; RUN: llc -stop-after block-placement -o - %s | FileCheck %s

target triple = "thumbv6m-none-none"

define i32* @foo(i32* readonly %p0) {
entry:
  %add.ptr = getelementptr inbounds i32, i32* %p0, i32 10
  %arrayidx = getelementptr inbounds i32, i32* %p0, i32 13
  %0 = load i32, i32* %arrayidx, align 4
  %arrayidx1 = getelementptr inbounds i32, i32* %p0, i32 12
  %1 = load i32, i32* %arrayidx1, align 4
  %add = add nsw i32 %1, %0
  %arrayidx2 = getelementptr inbounds i32, i32* %p0, i32 11
  %2 = load i32, i32* %arrayidx2, align 4
  %add3 = add nsw i32 %add, %2
  %3 = load i32, i32* %add.ptr, align 4
  %add5 = add nsw i32 %add3, %3
  tail call void @g(i32 %add5)
  ret i32* %p0
}

declare void @g(i32)

; CHECK-LABEL: name: foo
; CHECK: [[BASE:\$r[0-7]]], {{.*}} tADDi8
; CHECK-NOT: [[BASE]] = tLDMIA_UPD {{.*}} [[BASE]]
; CHECK: tLDMIA killed [[BASE]], {{.*}} def [[BASE]]