File: fast-isel-call-cleanup.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 (17 lines) | stat: -rw-r--r-- 538 bytes parent folder | download | duplicates (19) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
 
; RUN: llc -fast-isel -O0 -code-model=large -mcpu=generic -mtriple=x86_64-linux -relocation-model=static < %s | FileCheck %s

; Check that fast-isel cleans up when it fails to lower a call instruction.
define void @fastiselcall() {
entry:
  %call = call i32 @targetfn(i32 42)
  ret void
; CHECK-LABEL: fastiselcall:
; FastISel's local value code was dead, so it's gone.
; CHECK-NOT: movl $42,
; SDag-ISel's arg mov:
; CHECK: movabsq $targetfn, %[[REG:[^ ]*]]
; CHECK: movl $42, %edi
; CHECK: callq *%[[REG]]

}
declare i32 @targetfn(i32)