File: strlen-2.ll

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (18 lines) | stat: -rw-r--r-- 612 bytes parent folder | download | duplicates (15) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
 
; Test that the strlen library call simplifier works correctly.
;
; RUN: opt < %s -instcombine -S | FileCheck %s

target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"

@hello = constant [6 x i8] c"hello\00"

declare i32 @strlen(i8*, i32)

define i32 @test_no_simplify1() {
; CHECK-LABEL: @test_no_simplify1(
  %hello_p = getelementptr [6 x i8], [6 x i8]* @hello, i32 0, i32 0
  %hello_l = call i32 @strlen(i8* %hello_p, i32 187)
; CHECK-NEXT: %hello_l = call i32 @strlen
  ret i32 %hello_l
; CHECK-NEXT: ret i32 %hello_l
}