File: sext_64_32.ll

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (22 lines) | stat: -rw-r--r-- 534 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
; RUN: llc -march=mips64el -filetype=obj -mcpu=mips64r2 %s -o - | \
; RUN:   llvm-objdump --no-print-imm-hex -d - | FileCheck %s

; Sign extend from 32 to 64 was creating nonsense opcodes

; CHECK: sll ${{[a-z0-9]+}}, ${{[a-z0-9]+}}, 0

define i64 @foo(i32 %ival) nounwind readnone {
entry:
  %conv = sext i32 %ival to i64
  ret i64 %conv
}

; CHECK-LABEL: <foo_2>:
; CHECK: dext ${{[a-z0-9]+}}, ${{[a-z0-9]+}}, 0, 32

define i64 @foo_2(i32 %ival_2) nounwind readnone {
entry:
  %conv_2 = zext i32 %ival_2 to i64
  ret i64 %conv_2
}