strchr-2.ll 619 B

123456789101112131415161718192021
  1. ; Test that the strchr libcall simplifier works correctly.
  2. ;
  3. ; RUN: opt < %s -instcombine -S | FileCheck %s
  4. 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"
  5. @hello = constant [14 x i8] c"hello world\5Cn\00"
  6. @chr = global i8 zeroinitializer
  7. declare i8 @strchr(i8*, i32)
  8. define void @test_nosimplify1() {
  9. ; CHECK: test_nosimplify1
  10. ; CHECK: call i8 @strchr
  11. ; CHECK: ret void
  12. %str = getelementptr [14 x i8], [14 x i8]* @hello, i32 0, i32 0
  13. %dst = call i8 @strchr(i8* %str, i32 119)
  14. store i8 %dst, i8* @chr
  15. ret void
  16. }