File: 2007-08-10-SignExtSubreg.ll

package info (click to toggle)
llvm-toolchain-18 1%3A18.1.8-20
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 1,909,296 kB
  • sloc: cpp: 6,667,975; ansic: 1,440,452; asm: 883,619; python: 230,549; objc: 76,880; f90: 74,238; lisp: 35,989; pascal: 16,571; sh: 10,229; perl: 7,459; ml: 5,047; awk: 3,523; makefile: 2,992; javascript: 2,149; xml: 892; fortran: 649; cs: 573
file content (18 lines) | stat: -rw-r--r-- 576 bytes parent folder | download | duplicates (18)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-- | FileCheck %s

@X = global i32 0               ; <ptr> [#uses=1]

define i32 @_Z3fooi(i32 %x)   {
; CHECK-LABEL: _Z3fooi:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT:    movl %eax, X
; CHECK-NEXT:    movsbl %al, %eax
; CHECK-NEXT:    retl
entry:
        store i32 %x, ptr @X, align 4
        %retval67 = trunc i32 %x to i8          ; <i8> [#uses=1]
        %retval = sext i8 %retval67 to i32
        ret i32 %retval
}