File: bcmp.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.8-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,696 kB
  • sloc: cpp: 7,438,781; ansic: 1,393,871; asm: 1,012,926; python: 241,771; f90: 86,635; objc: 75,411; lisp: 42,144; pascal: 17,286; sh: 8,596; ml: 5,082; perl: 4,730; makefile: 3,591; awk: 3,523; javascript: 2,251; xml: 892; fortran: 672
file content (18 lines) | stat: -rw-r--r-- 957 bytes parent folder | download | duplicates (12) 
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_test_checks.py
; RUN: opt -S -expand-memcmp -memcmp-num-loads-per-block=1 -mtriple=x86_64-unknown-unknown -data-layout=e-m:o-i64:64-f80:128-n8:16:32:64-S128         < %s | FileCheck %s --check-prefix=X64
; RUN: opt -S -passes=expand-memcmp -memcmp-num-loads-per-block=1 -mtriple=x86_64-unknown-unknown -data-layout=e-m:o-i64:64-f80:128-n8:16:32:64-S128         < %s | FileCheck %s --check-prefix=X64

declare i32 @bcmp(ptr nocapture, ptr nocapture, i64)

define i32 @bcmp8(ptr nocapture readonly %x, ptr nocapture readonly %y)  {
; X64-LABEL: @bcmp8(
; X64-NEXT:    [[TMP3:%.*]] = load i64, ptr [[X:%.*]], align 1
; X64-NEXT:    [[TMP4:%.*]] = load i64, ptr [[Y:%.*]], align 1
; X64-NEXT:    [[TMP5:%.*]] = icmp ne i64 [[TMP3]], [[TMP4]]
; X64-NEXT:    [[TMP6:%.*]] = zext i1 [[TMP5]] to i32
; X64-NEXT:    ret i32 [[TMP6]]
;
  %call = tail call i32 @bcmp(ptr %x, ptr %y, i64 8)
  ret i32 %call
}