memset.ll 679 B

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  1. ; RUN: opt < %s -instcombine -S | not grep "call.*llvm.memset"
  2. define i32 @main() {
  3. %target = alloca [1024 x i8]
  4. %target_p = getelementptr [1024 x i8], [1024 x i8]* %target, i32 0, i32 0
  5. call void @llvm.memset.p0i8.i32(i8* %target_p, i8 1, i32 0, i32 1, i1 false)
  6. call void @llvm.memset.p0i8.i32(i8* %target_p, i8 1, i32 1, i32 1, i1 false)
  7. call void @llvm.memset.p0i8.i32(i8* %target_p, i8 1, i32 2, i32 2, i1 false)
  8. call void @llvm.memset.p0i8.i32(i8* %target_p, i8 1, i32 4, i32 4, i1 false)
  9. call void @llvm.memset.p0i8.i32(i8* %target_p, i8 1, i32 8, i32 8, i1 false)
  10. ret i32 0
  11. }
  12. declare void @llvm.memset.p0i8.i32(i8* nocapture, i8, i32, i32, i1) nounwind