File: 2012-05-20-Phi.ll

package info (click to toggle)
llvm-toolchain-5.0 1:5.0.1-2~bpo9+1
  • links: PTS, VCS
  • area: main
  • in suites: stretch-backports
  • size: 553,688 kB
  • sloc: cpp: 2,878,786; ansic: 584,110; asm: 246,252; python: 124,751; objc: 106,925; sh: 21,542; lisp: 8,628; pascal: 5,885; ml: 5,544; perl: 5,312; makefile: 2,208; cs: 2,022; xml: 686; php: 212; csh: 117
file content (25 lines) | stat: -rw-r--r-- 889 bytes parent folder | download | duplicates (7)
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
; RUN: opt < %s -simple-loop-unswitch -disable-output
; PR12887
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

@a = common global i32 0, align 4
@c = common global i32 0, align 4
@b = common global i32 0, align 4

define void @func() noreturn nounwind uwtable {
entry:
  %0 = load i32, i32* @a, align 4
  %tobool = icmp eq i32 %0, 0
  %1 = load i32, i32* @b, align 4
  br label %while.body

while.body:                                       ; preds = %while.body, %entry
  %d.0 = phi i8 [ undef, %entry ], [ %conv2, %while.body ]
  %conv = sext i8 %d.0 to i32
  %cond = select i1 %tobool, i32 0, i32 %conv
  %conv11 = zext i8 %d.0 to i32
  %add = add i32 %1, %conv11
  %conv2 = trunc i32 %add to i8
  br label %while.body
}