File: funcattrs-prop-unknown.ll

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (35 lines) | stat: -rw-r--r-- 1,257 bytes parent folder | download
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
; Unknown (e.g. indirect) calls returns conservative results from function propagation
; RUN: opt -thinlto-bc %s -thin-link-bitcode-file=%t1.thinlink.bc -o %t1.bc
; RUN: llvm-lto2 run -disable-thinlto-funcattrs=0 %t1.bc -o %t.o -save-temps \
; RUN:    -r %t1.bc,indirect,px -r %t1.bc,inlineasm,px -r %t1.bc,selectcallee,px -r %t1.bc,f, -r %t1.bc,g, -r %t1.bc,global,
; RUN: llvm-dis -o - %t.o.1.3.import.bc | FileCheck %s

target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

; CHECK-NOT: ; Function Attrs:
; CHECK: define i32 @indirect(ptr nocapture %0) {
define i32 @indirect(i32 ()* nocapture) {
  %2 = tail call i32 %0()
  ret i32 %2
}

; CHECK-NOT: ; Function Attrs:
; CHECK: define ptr @inlineasm() {
define i8* @inlineasm() {
entry:
  %0 = tail call i8* asm sideeffect "lea ff_h264_cabac_tables(%rip), $0", "=&r,~{dirflag},~{fpsr},~{flags}"()
  ret i8* %0
}

; CHECK-NOT: ; Function Attrs:
; CHECK: define void @selectcallee() {
define void @selectcallee() {
    ; Test calls that aren't handled either as direct or indirect.
    call void select (i1 icmp eq (i32* @global, i32* null), void ()* @f, void ()* @g)()
    ret void
}

declare void @f()
declare void @g()
@global = extern_weak global i32