File: extend.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 (28 lines) | stat: -rw-r--r-- 945 bytes parent folder | download | duplicates (13) 
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
 
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-- -x86-asm-syntax=intel | FileCheck %s

@G1 = internal global i8 0              ; <ptr> [#uses=1]
@G2 = internal global i8 0              ; <ptr> [#uses=1]

define i16 @test1() {
; CHECK-LABEL: test1:
; CHECK:       # %bb.0:
; CHECK-NEXT:    movzx eax, byte ptr [G1]
; CHECK-NEXT:    # kill: def $ax killed $ax killed $eax
; CHECK-NEXT:    ret
        %tmp.0 = load i8, ptr @G1           ; <i8> [#uses=1]
        %tmp.3 = zext i8 %tmp.0 to i16          ; <i16> [#uses=1]
        ret i16 %tmp.3
}

define i16 @test2() {
; CHECK-LABEL: test2:
; CHECK:       # %bb.0:
; CHECK-NEXT:    movsx eax, byte ptr [G2]
; CHECK-NEXT:    # kill: def $ax killed $ax killed $eax
; CHECK-NEXT:    ret
        %tmp.0 = load i8, ptr @G2           ; <i8> [#uses=1]
        %tmp.3 = sext i8 %tmp.0 to i16          ; <i16> [#uses=1]
        ret i16 %tmp.3
}