File: thumb1-ldst-opt.ll

package info (click to toggle)
llvm-toolchain-21 1%3A21.1.4-5
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 2,236,516 kB
  • sloc: cpp: 7,619,569; ansic: 1,433,956; asm: 1,058,748; python: 252,181; f90: 94,671; objc: 70,753; lisp: 42,813; pascal: 18,401; sh: 8,601; ml: 5,111; perl: 4,720; makefile: 3,585; awk: 3,523; javascript: 2,272; xml: 892; fortran: 770
file content (27 lines) | stat: -rw-r--r-- 870 bytes parent folder | download | duplicates (25)
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 ptr @foo(ptr readonly %p0) {
entry:
  %add.ptr = getelementptr inbounds i32, ptr %p0, i32 10
  %arrayidx = getelementptr inbounds i32, ptr %p0, i32 13
  %0 = load i32, ptr %arrayidx, align 4
  %arrayidx1 = getelementptr inbounds i32, ptr %p0, i32 12
  %1 = load i32, ptr %arrayidx1, align 4
  %add = add nsw i32 %1, %0
  %arrayidx2 = getelementptr inbounds i32, ptr %p0, i32 11
  %2 = load i32, ptr %arrayidx2, align 4
  %add3 = add nsw i32 %add, %2
  %3 = load i32, ptr %add.ptr, align 4
  %add5 = add nsw i32 %add3, %3
  tail call void @g(i32 %add5)
  ret ptr %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]]