File: hwloop-ph-deadcode.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 (23 lines) | stat: -rw-r--r-- 554 bytes parent folder | download | duplicates (21) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
 
; RUN: llc -march=hexagon -mcpu=hexagonv5 -O2 -disable-block-placement=0 < %s | FileCheck %s

; Test that there is no redundant register assignment in the hardware loop
; preheader.

; CHECK-NOT: r{{.*}} = #5

@g = external global i32

define void @foo() #0 {
entry:
  br i1 undef, label %if.end38, label %for.body

for.body:
  %loopIdx.051 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
  store i32 1, i32* @g, align 4
  %inc = add i32 %loopIdx.051, 1
  %cmp9 = icmp ult i32 %inc, 5
  br i1 %cmp9, label %for.body, label %if.end38

if.end38:
  ret void
}