File: thumb1-ldst-opt.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 (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]]