File: sink-addrmode-two-phi.ll

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (27 lines) | stat: -rw-r--r-- 905 bytes parent folder | download | duplicates (4)
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: opt -S -codegenprepare -disable-complex-addr-modes=false  %s | FileCheck %s --check-prefix=CHECK
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"
target triple = "x86_64-unknown-linux-gnu"

define void @test() {
entry:
  %0 = getelementptr inbounds i64, ptr null, i64 undef
  br label %start

start:
  %val1 = phi ptr [ %0, %entry ], [ %val4, %exit ]
  %val2 = phi ptr [ null, %entry ], [ %val5, %exit ]
  br i1 false, label %slowpath, label %exit

slowpath:
  %elem1 = getelementptr inbounds i64, ptr undef, i64 undef
  br label %exit

exit:
; CHECK: sunkaddr
  %val3 = phi ptr [ undef, %slowpath ], [ %val2, %start ]
  %val4 = phi ptr [ %elem1, %slowpath ], [ %val1, %start ]
  %val5 = phi ptr [ undef, %slowpath ], [ %val2, %start ]
  %loadx = load i64, ptr %val4, align 8
  br label %start
}