File: call-cast-target-preallocated.ll

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (28 lines) | stat: -rw-r--r-- 925 bytes parent folder | download | duplicates (2)
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
; RUN: opt -opaque-pointers=0 < %s -passes=instcombine -S | FileCheck %s

target datalayout = "e-p:32:32"
target triple = "i686-pc-win32"


declare token @llvm.call.preallocated.setup(i32)
declare i8* @llvm.call.preallocated.arg(token, i32)

declare void @takes_i32(i32)
declare void @takes_i32_preallocated(i32* preallocated(i32))

define void @f() {
; CHECK-LABEL: define void @f()
  %t = call token @llvm.call.preallocated.setup(i32 1)
  %a = call i8* @llvm.call.preallocated.arg(token %t, i32 0) preallocated(i32)
  %arg = bitcast i8* %a to i32*
  call void bitcast (void (i32)* @takes_i32 to void (i32*)*)(i32* preallocated(i32) %arg) ["preallocated"(token %t)]
; CHECK: call void bitcast{{.*}}@takes_i32
  ret void
}

define void @g() {
; CHECK-LABEL: define void @g()
  call void bitcast (void (i32*)* @takes_i32_preallocated to void (i32)*)(i32 0)
; CHECK: call void bitcast{{.*}}@takes_i32_preallocated
  ret void
}