blob: a99a04bbb54c24e7c0dcaea7ad17d048bb8e505f [file] [log] [blame]
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-- | FileCheck %s
; Do eliminate the zero-extension instruction and rely on
; x86-64's implicit zero-extension!
define i64 @foo(i32* %p) nounwind {
; CHECK-LABEL: foo:
; CHECK: # %bb.0:
; CHECK-NEXT: movl (%rdi), %eax
; CHECK-NEXT: incl %eax
; CHECK-NEXT: retq
%t = load i32, i32* %p
%n = add i32 %t, 1
%z = zext i32 %n to i64
ret i64 %z
}