File: pr40922.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 (36 lines) | stat: -rw-r--r-- 937 bytes parent folder | download | duplicates (11) 
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
33
34
35
36
 
; RUN: llc -verify-machineinstrs -mtriple=powerpc-unknown-linux-gnu < %s | FileCheck %s

; Test case adapted from PR40922.

@a.b = internal global i32 0, align 4

define i32 @a() {
entry:
  %call = tail call i32 bitcast (i32 (...)* @d to i32 ()*)()
  %0 = load i32, i32* @a.b, align 4
  %conv = zext i32 %0 to i64
  %add = add nuw nsw i64 %conv, 6
  %and = and i64 %add, 8589934575
  %cmp = icmp ult i64 %and, %conv
  br i1 %cmp, label %if.then, label %if.end

if.then:                                          ; preds = %entry
  %call3 = tail call i32 bitcast (i32 (...)* @e to i32 ()*)()
  br label %if.end

if.end:                                           ; preds = %if.then, %entry
  store i32 %call, i32* @a.b, align 4
  ret i32 undef
}

; CHECK-LABEL: @a
; CHECK: li 5, 0
; CHECK: mr 30, 3
; CHECK: addic 6, 4, 6
; CHECK: addze 5, 5
; CHECK: rlwinm 6, 6, 0, 28, 26
; CHECK: andi. 5, 5, 1

declare i32 @d(...)

declare i32 @e(...)