File: strcmp-2.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (18 lines) | stat: -rw-r--r-- 556 bytes parent folder | download | duplicates (12)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
; Test that the strcmp library call simplifier works correctly.
; RUN: opt < %s -passes=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"
@hell = constant [5 x i8] c"hell\00"

declare i16 @strcmp(ptr, ptr)

define i16 @test_nosimplify() {
; CHECK-LABEL: @test_nosimplify(
; CHECK: call i16 @strcmp
; CHECK: ret i16 %temp1

  %temp1 = call i16 @strcmp(ptr @hell, ptr @hello)
  ret i16 %temp1
}