File: powof2div.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm-proposed-updates
  • size: 1,998,492 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (32 lines) | stat: -rw-r--r-- 1,133 bytes parent folder | download | duplicates (12)
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
28
29
30
31
32
; RUN: opt < %s -passes=loop-vectorize -mtriple=x86_64-unknown-linux-gnu -S | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%struct.anon = type { [100 x i32], i32, [100 x i32] }

@Foo = common global %struct.anon zeroinitializer, align 4

; CHECK-LABEL: @foo(
; CHECK: load <4 x i32>, ptr
; CHECK: sdiv <4 x i32>
; CHECK: store <4 x i32>

define void @foo(){
entry:
  br label %for.body

for.body:                                         ; preds = %for.body, %entry
  %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
  %arrayidx = getelementptr inbounds %struct.anon, ptr @Foo, i64 0, i32 2, i64 %indvars.iv
  %0 = load i32, ptr %arrayidx, align 4
  %div = sdiv i32 %0, 2
  %arrayidx2 = getelementptr inbounds %struct.anon, ptr @Foo, i64 0, i32 0, i64 %indvars.iv
  store i32 %div, ptr %arrayidx2, align 4
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond = icmp eq i64 %indvars.iv.next, 100
  br i1 %exitcond, label %for.end, label %for.body

for.end:                                          ; preds = %for.body
  ret void
}